Merge branch '1.5.x'

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/pom.xml

@@ -36,6 +36,24 @@
 					<proc>none</proc>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>build-helper-maven-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>add-json-shade-source</id>
+						<phase>generate-sources</phase>
+						<goals>
+							<goal>add-source</goal>
+						</goals>
+						<configuration>
+							<sources>
+								<source>${basedir}/src/json-shade/java</source>
+							</sources>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
 		</plugins>
 	</build>
 </project>

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/README.adoc

@@ -0,0 +1,5 @@
+## Shaded JSON
+
+This source was originally taken from `com.vaadin.external.google:android-json` which
+provides a clean room re-implementation of the `org.json` APIs and does not include the
+"Do not use for evil" clause.

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSON.java

@@ -17,9 +17,7 @@
 package org.springframework.boot.configurationprocessor.json;
 
 class JSON {
-	/**
+
-	 * Returns the input if it is a JSON-permissible value; throws otherwise.
-	 */
 	static double checkDouble(double d) throws JSONException {
 		if (Double.isInfinite(d) || Double.isNaN(d)) {
 			throw new JSONException("Forbidden numeric value: " + d);
@@ -31,12 +29,12 @@ class JSON {
 		if (value instanceof Boolean) {
 			return (Boolean) value;
 		}
-		else if (value instanceof String) {
+		if (value instanceof String) {
 			String stringValue = (String) value;
 			if ("true".equalsIgnoreCase(stringValue)) {
 				return true;
 			}
-			else if ("false".equalsIgnoreCase(stringValue)) {
+			if ("false".equalsIgnoreCase(stringValue)) {
 				return false;
 			}
 		}
@@ -47,10 +45,10 @@ class JSON {
 		if (value instanceof Double) {
 			return (Double) value;
 		}
-		else if (value instanceof Number) {
+		if (value instanceof Number) {
 			return ((Number) value).doubleValue();
 		}
-		else if (value instanceof String) {
+		if (value instanceof String) {
 			try {
 				return Double.valueOf((String) value);
 			}
@@ -64,10 +62,10 @@ class JSON {
 		if (value instanceof Integer) {
 			return (Integer) value;
 		}
-		else if (value instanceof Number) {
+		if (value instanceof Number) {
 			return ((Number) value).intValue();
 		}
-		else if (value instanceof String) {
+		if (value instanceof String) {
 			try {
 				return (int) Double.parseDouble((String) value);
 			}
@@ -81,10 +79,10 @@ class JSON {
 		if (value instanceof Long) {
 			return (Long) value;
 		}
-		else if (value instanceof Number) {
+		if (value instanceof Number) {
 			return ((Number) value).longValue();
 		}
-		else if (value instanceof String) {
+		if (value instanceof String) {
 			try {
 				return (long) Double.parseDouble((String) value);
 			}
@@ -98,7 +96,7 @@ class JSON {
 		if (value instanceof String) {
 			return (String) value;
 		}
-		else if (value != null) {
+		if (value != null) {
 			return String.valueOf(value);
 		}
 		return null;
@@ -109,11 +107,9 @@ class JSON {
 		if (actual == null) {
 			throw new JSONException("Value at " + indexOrName + " is null.");
 		}
-		else {
+		throw new JSONException("Value " + actual + " at " + indexOrName + " of type "
-			throw new JSONException("Value " + actual + " at " + indexOrName
+				+ actual.getClass().getName() + " cannot be converted to "
-					+ " of type " + actual.getClass().getName()
+				+ requiredType);
-					+ " cannot be converted to " + requiredType);
-		}
 	}
 
 	public static JSONException typeMismatch(Object actual, String requiredType)
@@ -121,10 +117,9 @@ class JSON {
 		if (actual == null) {
 			throw new JSONException("Value is null.");
 		}
-		else {
+		throw new JSONException(
-			throw new JSONException("Value " + actual
+				"Value " + actual + " of type " + actual.getClass().getName()
-					+ " of type " + actual.getClass().getName()
+						+ " cannot be converted to " + requiredType);
-					+ " cannot be converted to " + requiredType);
-		}
 	}
+
 }

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSONArray.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,29 +22,27 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 
-// Note: this class was written without inspecting the non-free org.json source code.
+// Note: this class was written without inspecting the non-free org.json sourcecode.
 
 /**
- * A dense indexed sequence of values. Values may be any mix of
+ * A dense indexed sequence of values. Values may be any mix of {@link JSONObject
- * {@link JSONObject JSONObjects}, other {@link JSONArray JSONArrays}, Strings,
+ * JSONObjects}, other {@link JSONArray JSONArrays}, Strings, Booleans, Integers, Longs,
- * Booleans, Integers, Longs, Doubles, {@code null} or {@link JSONObject#NULL}.
+ * Doubles, {@code null} or {@link JSONObject#NULL}. Values may not be
- * Values may not be {@link Double#isNaN() NaNs}, {@link Double#isInfinite()
+ * {@link Double#isNaN() NaNs}, {@link Double#isInfinite() infinities}, or of any type not
- * infinities}, or of any type not listed here.
+ * listed here.
- *
+ * <p>
- * <p>{@code JSONArray} has the same type coercion behavior and
+ * {@code JSONArray} has the same type coercion behavior and optional/mandatory accessors
- * optional/mandatory accessors as {@link JSONObject}. See that class'
+ * as {@link JSONObject}. See that class' documentation for details.
- * documentation for details.
+ * <p>
- *
+ * <strong>Warning:</strong> this class represents null in two incompatible ways: the
- * <p><strong>Warning:</strong> this class represents null in two incompatible
+ * standard Java {@code null} reference, and the sentinel value {@link JSONObject#NULL}.
- * ways: the standard Java {@code null} reference, and the sentinel value {@link
+ * In particular, {@code get} fails if the requested index holds the null reference, but
- * JSONObject#NULL}. In particular, {@code get} fails if the requested index
+ * succeeds if it holds {@code JSONObject.NULL}.
- * holds the null reference, but succeeds if it holds {@code JSONObject.NULL}.
+ * <p>
- *
+ * Instances of this class are not thread safe. Although this class is nonfinal, it was
- * <p>Instances of this class are not thread safe. Although this class is
+ * not designed for inheritance and should not be subclassed. In particular, self-use by
- * nonfinal, it was not designed for inheritance and should not be subclassed.
+ * overridable methods is not specified. See <i>Effective Java</i> Item 17, "Design and
- * In particular, self-use by overridable methods is not specified. See
+ * Document or inheritance or else prohibit it" for further information.
- * <i>Effective Java</i> Item 17, "Design and Document or inheritance or else
- * prohibit it" for further information.
  */
 public class JSONArray {
 
@@ -58,37 +56,31 @@ public class JSONArray {
 	}
 
 	/**
-	 * Creates a new {@code JSONArray} by copying all values from the given
+	 * Creates a new {@code JSONArray} by copying all values from the given collection.
-	 * collection.
+	 * @param copyFrom a collection whose values are of supported types. Unsupported
-	 *
+	 * values are not permitted and will yield an array in an inconsistent state.
-	 * @param copyFrom a collection whose values are of supported types.
-	 *     Unsupported values are not permitted and will yield an array in an
-	 *     inconsistent state.
 	 */
 	/* Accept a raw type for API compatibility */
+	@SuppressWarnings("rawtypes")
 	public JSONArray(Collection copyFrom) {
 		this();
 		if (copyFrom != null) {
-			for (Iterator it = copyFrom.iterator(); it.hasNext(); ) {
+			for (Iterator it = copyFrom.iterator(); it.hasNext();) {
 				put(JSONObject.wrap(it.next()));
 			}
 		}
 	}
 
 	/**
-	 * Creates a new {@code JSONArray} with values from the next array in the
+	 * Creates a new {@code JSONArray} with values from the next array in the tokener.
-	 * tokener.
+	 * @param readFrom a tokener whose nextValue() method will yield a {@code JSONArray}.
-	 *
+	 * @throws JSONException if the parse fails or doesn't yield a {@code JSONArray}.
-	 * @param readFrom a tokener whose nextValue() method will yield a
-	 *     {@code JSONArray}.
-	 * @throws JSONException if the parse fails or doesn't yield a
-	 *     {@code JSONArray}.
 	 * @throws JSONException if processing of json failed
 	 */
 	public JSONArray(JSONTokener readFrom) throws JSONException {
 		/*
-		 * Getting the parser to populate this could get tricky. Instead, just
+		 * Getting the parser to populate this could get tricky. Instead, just parse to
-		 * parse to temporary JSONArray and then steal the data from that.
+		 * temporary JSONArray and then steal the data from that.
 		 */
 		Object object = readFrom.nextValue();
 		if (object instanceof JSONArray) {
@@ -101,7 +93,6 @@ public class JSONArray {
 
 	/**
 	 * Creates a new {@code JSONArray} with values from the JSON string.
-	 *
 	 * @param json a JSON-encoded string containing an array.
 	 * @throws JSONException if the parse fails or doesn't yield a {@code
 	 *     JSONArray}.
@@ -149,7 +140,7 @@ public class JSONArray {
 	 * Appends {@code value} to the end of this array.
 	 *
 	 * @param value a finite value. May not be {@link Double#isNaN() NaNs} or
-	 *     {@link Double#isInfinite() infinities}.
+	 * {@link Double#isInfinite() infinities}.
 	 * @return this array.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -181,11 +172,10 @@ public class JSONArray {
 	/**
 	 * Appends {@code value} to the end of this array.
 	 *
-	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean,
+	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer,
-	 *     Integer, Long, Double, {@link JSONObject#NULL}, or {@code null}. May
+	 * Long, Double, {@link JSONObject#NULL}, or {@code null}. May not be
-	 *     not be {@link Double#isNaN() NaNs} or {@link Double#isInfinite()
+	 * {@link Double#isNaN() NaNs} or {@link Double#isInfinite() infinities}. Unsupported
-	 *     infinities}. Unsupported values are not permitted and will cause the
+	 * values are not permitted and will cause the array to be in an inconsistent state.
-	 *     array to be in an inconsistent state.
 	 * @return this array.
 	 */
 	public JSONArray put(Object value) {
@@ -194,8 +184,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Sets the value at {@code index} to {@code value}, null padding this array
+	 * Sets the value at {@code index} to {@code value}, null padding this array to the
-	 * to the required length if necessary. If a value already exists at {@code
+	 * required length if necessary. If a value already exists at {@code
 	 * index}, it will be replaced.
 	 * @param index the index to set the value to
 	 * @param value the value
@@ -207,12 +197,12 @@ public class JSONArray {
 	}
 
 	/**
-	 * Sets the value at {@code index} to {@code value}, null padding this array
+	 * Sets the value at {@code index} to {@code value}, null padding this array to the
-	 * to the required length if necessary. If a value already exists at {@code
+	 * required length if necessary. If a value already exists at {@code
 	 * index}, it will be replaced.
 	 * @param index the index to set the value to
 	 * @param value a finite value. May not be {@link Double#isNaN() NaNs} or
-	 *     {@link Double#isInfinite() infinities}.
+	 * {@link Double#isInfinite() infinities}.
 	 * @return this array.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -221,8 +211,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Sets the value at {@code index} to {@code value}, null padding this array
+	 * Sets the value at {@code index} to {@code value}, null padding this array to the
-	 * to the required length if necessary. If a value already exists at {@code
+	 * required length if necessary. If a value already exists at {@code
 	 * index}, it will be replaced.
 	 * @param index the index to set the value to
 	 * @param value the value
@@ -234,8 +224,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Sets the value at {@code index} to {@code value}, null padding this array
+	 * Sets the value at {@code index} to {@code value}, null padding this array to the
-	 * to the required length if necessary. If a value already exists at {@code
+	 * required length if necessary. If a value already exists at {@code
 	 * index}, it will be replaced.
 	 * @param index the index to set the value to
 	 * @param value the value
@@ -247,20 +237,20 @@ public class JSONArray {
 	}
 
 	/**
-	 * Sets the value at {@code index} to {@code value}, null padding this array
+	 * Sets the value at {@code index} to {@code value}, null padding this array to the
-	 * to the required length if necessary. If a value already exists at {@code
+	 * required length if necessary. If a value already exists at {@code
 	 * index}, it will be replaced.
 	 * @param index the index to set the value to
-	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean,
+	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer,
-	 *     Integer, Long, Double, {@link JSONObject#NULL}, or {@code null}. May
+	 * Long, Double, {@link JSONObject#NULL}, or {@code null}. May not be
-	 *     not be {@link Double#isNaN() NaNs} or {@link Double#isInfinite()
+	 * {@link Double#isNaN() NaNs} or {@link Double#isInfinite() infinities}.
-	 *     infinities}.
 	 * @return this array.
 	 * @throws JSONException if processing of json failed
 	 */
 	public JSONArray put(int index, Object value) throws JSONException {
 		if (value instanceof Number) {
-			// deviate from the original by checking all Numbers, not just floats & doubles
+			// deviate from the original by checking all Numbers, not just floats &
+			// doubles
 			JSON.checkDouble(((Number) value).doubleValue());
 		}
 		while (this.values.size() <= index) {
@@ -271,8 +261,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns true if this array has no value at {@code index}, or if its value
+	 * Returns true if this array has no value at {@code index}, or if its value is the
-	 * is the {@code null} reference or {@link JSONObject#NULL}.
+	 * {@code null} reference or {@link JSONObject#NULL}.
 	 * @param index the index to set the value to
 	 * @return true if this array has no value at {@code index}
 	 */
@@ -285,9 +275,9 @@ public class JSONArray {
 	 * Returns the value at {@code index}.
 	 * @param index the index to get the value from
 	 * @return the value at {@code index}.
-	 * @throws JSONException if this array has no value at {@code index}, or if
+	 * @throws JSONException if this array has no value at {@code index}, or if that value
-	 *     that value is the {@code null} reference. This method returns
+	 * is the {@code null} reference. This method returns normally if the value is
-	 *     normally if the value is {@code JSONObject#NULL}.
+	 * {@code JSONObject#NULL}.
 	 */
 	public Object get(int index) throws JSONException {
 		try {
@@ -298,13 +288,14 @@ public class JSONArray {
 			return value;
 		}
 		catch (IndexOutOfBoundsException e) {
-			throw new JSONException("Index " + index + " out of range [0.." + this.values.size() + ")");
+			throw new JSONException(
+					"Index " + index + " out of range [0.." + this.values.size() + ")");
 		}
 	}
 
 	/**
-	 * Returns the value at {@code index}, or null if the array has no value
+	 * Returns the value at {@code index}, or null if the array has no value at
-	 * at {@code index}.
+	 * {@code index}.
 	 * @param index the index to get the value from
 	 * @return the value at {@code index} or {@code null}
 	 */
@@ -329,12 +320,12 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a boolean or can
+	 * Returns the value at {@code index} if it exists and is a boolean or can be coerced
-	 * be coerced to a boolean.
+	 * to a boolean.
 	 * @param index the index to get the value from
 	 * @return the value at {@code index}
-	 * @throws JSONException if the value at {@code index} doesn't exist or
+	 * @throws JSONException if the value at {@code index} doesn't exist or cannot be
-	 *     cannot be coerced to a boolean.
+	 * coerced to a boolean.
 	 */
 	public boolean getBoolean(int index) throws JSONException {
 		Object object = get(index);
@@ -346,8 +337,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a boolean or can
+	 * Returns the value at {@code index} if it exists and is a boolean or can be coerced
-	 * be coerced to a boolean. Returns false otherwise.
+	 * to a boolean. Returns false otherwise.
 	 * @param index the index to get the value from
 	 * @return the {@code value} or {@code false}
 	 */
@@ -356,8 +347,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a boolean or can
+	 * Returns the value at {@code index} if it exists and is a boolean or can be coerced
-	 * be coerced to a boolean. Returns {@code fallback} otherwise.
+	 * to a boolean. Returns {@code fallback} otherwise.
 	 * @param index the index to get the value from
 	 * @param fallback the fallback value
 	 * @return the value at {@code index} of {@code fallback}
@@ -369,12 +360,12 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a double or can
+	 * Returns the value at {@code index} if it exists and is a double or can be coerced
-	 * be coerced to a double.
+	 * to a double.
 	 * @param index the index to get the value from
 	 * @return the {@code value}
-	 * @throws JSONException if the value at {@code index} doesn't exist or
+	 * @throws JSONException if the value at {@code index} doesn't exist or cannot be
-	 *     cannot be coerced to a double.
+	 * coerced to a double.
 	 */
 	public double getDouble(int index) throws JSONException {
 		Object object = get(index);
@@ -386,8 +377,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a double or can
+	 * Returns the value at {@code index} if it exists and is a double or can be coerced
-	 * be coerced to a double. Returns {@code NaN} otherwise.
+	 * to a double. Returns {@code NaN} otherwise.
 	 * @param index the index to get the value from
 	 * @return the {@code value} or {@code NaN}
 	 */
@@ -396,8 +387,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a double or can
+	 * Returns the value at {@code index} if it exists and is a double or can be coerced
-	 * be coerced to a double. Returns {@code fallback} otherwise.
+	 * to a double. Returns {@code fallback} otherwise.
 	 * @param index the index to get the value from
 	 * @param fallback the fallback value
 	 * @return the value at {@code index} of {@code fallback}
@@ -409,12 +400,12 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is an int or
+	 * Returns the value at {@code index} if it exists and is an int or can be coerced to
-	 * can be coerced to an int.
+	 * an int.
 	 * @param index the index to get the value from
 	 * @return the {@code value}
-	 * @throws JSONException if the value at {@code index} doesn't exist or
+	 * @throws JSONException if the value at {@code index} doesn't exist or cannot be
-	 *     cannot be coerced to a int.
+	 * coerced to a int.
 	 */
 	public int getInt(int index) throws JSONException {
 		Object object = get(index);
@@ -426,8 +417,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is an int or
+	 * Returns the value at {@code index} if it exists and is an int or can be coerced to
-	 * can be coerced to an int. Returns 0 otherwise.
+	 * an int. Returns 0 otherwise.
 	 * @param index the index to get the value from
 	 * @return the {@code value} or {@code 0}
 	 */
@@ -436,8 +427,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is an int or
+	 * Returns the value at {@code index} if it exists and is an int or can be coerced to
-	 * can be coerced to an int. Returns {@code fallback} otherwise.
+	 * an int. Returns {@code fallback} otherwise.
 	 * @param index the index to get the value from
 	 * @param fallback the fallback value
 	 * @return the value at {@code index} of {@code fallback}
@@ -449,13 +440,13 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a long or
+	 * Returns the value at {@code index} if it exists and is a long or can be coerced to
-	 * can be coerced to a long.
+	 * a long.
 	 * @param index the index to get the value from
 	 * @return the {@code value}
 	 *
-	 * @throws JSONException if the value at {@code index} doesn't exist or
+	 * @throws JSONException if the value at {@code index} doesn't exist or cannot be
-	 *     cannot be coerced to a long.
+	 * coerced to a long.
 	 */
 	public long getLong(int index) throws JSONException {
 		Object object = get(index);
@@ -467,8 +458,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a long or
+	 * Returns the value at {@code index} if it exists and is a long or can be coerced to
-	 * can be coerced to a long. Returns 0 otherwise.
+	 * a long. Returns 0 otherwise.
 	 * @param index the index to get the value from
 	 * @return the {@code value} or {@code 0}
 	 */
@@ -477,8 +468,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists and is a long or
+	 * Returns the value at {@code index} if it exists and is a long or can be coerced to
-	 * can be coerced to a long. Returns {@code fallback} otherwise.
+	 * a long. Returns {@code fallback} otherwise.
 	 * @param index the index to get the value from
 	 * @param fallback the fallback value
 	 * @return the value at {@code index} of {@code fallback}
@@ -490,8 +481,7 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists, coercing it if
+	 * Returns the value at {@code index} if it exists, coercing it if necessary.
-	 * necessary.
 	 * @param index the index to get the value from
 	 * @return the {@code value}
 	 * @throws JSONException if no such value exists.
@@ -506,8 +496,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists, coercing it if
+	 * Returns the value at {@code index} if it exists, coercing it if necessary. Returns
-	 * necessary. Returns the empty string if no such value exists.
+	 * the empty string if no such value exists.
 	 * @param index the index to get the value from
 	 * @return the {@code value} or an empty string
 	 */
@@ -516,8 +506,8 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns the value at {@code index} if it exists, coercing it if
+	 * Returns the value at {@code index} if it exists, coercing it if necessary. Returns
-	 * necessary. Returns {@code fallback} if no such value exists.
+	 * {@code fallback} if no such value exists.
 	 * @param index the index to get the value from
 	 * @param fallback the fallback value
 	 * @return the value at {@code index} of {@code fallback}
@@ -587,11 +577,10 @@ public class JSONArray {
 	}
 
 	/**
-	 * Returns a new object whose values are the values in this array, and whose
+	 * Returns a new object whose values are the values in this array, and whose names are
-	 * names are the values in {@code names}. Names and values are paired up by
+	 * the values in {@code names}. Names and values are paired up by index from 0 through
-	 * index from 0 through to the shorter array's length. Names that are not
+	 * to the shorter array's length. Names that are not strings will be coerced to
-	 * strings will be coerced to strings. This method returns null if either
+	 * strings. This method returns null if either array is empty.
-	 * array is empty.
 	 * @param names the property names
 	 * @return a json object
 	 * @throws JSONException if processing of json failed
@@ -611,10 +600,9 @@ public class JSONArray {
 
 	/**
 	 * Returns a new string by alternating this array's values with {@code
-	 * separator}. This array's string values are quoted and have their special
+	 * separator}. This array's string values are quoted and have their special characters
-	 * characters escaped. For example, the array containing the strings '12"
+	 * escaped. For example, the array containing the strings '12" pizza', 'taco' and
-	 * pizza', 'taco' and 'soda' joined on '+' returns this:
+	 * 'soda' joined on '+' returns this: <pre>"12\" pizza"+"taco"+"soda"</pre>
-	 * <pre>"12\" pizza"+"taco"+"soda"</pre>
 	 * @param separator the separator to use
 	 * @return the joined value
 	 * @throws JSONException if processing of json failed
@@ -633,8 +621,7 @@ public class JSONArray {
 	}
 
 	/**
-	 * Encodes this array as a compact JSON string, such as:
+	 * Encodes this array as a compact JSON string, such as: <pre>[94043,90210]</pre>
-	 * <pre>[94043,90210]</pre>
 	 * @return a compact JSON string representation of this array
 	 */
 	@Override
@@ -650,16 +637,13 @@ public class JSONArray {
 	}
 
 	/**
-	 * Encodes this array as a human readable JSON string for debugging, such
+	 * Encodes this array as a human readable JSON string for debugging, such as: <pre>
-	 * as:
-	 * <pre>
 	 * [
 	 *     94043,
 	 *     90210
 	 * ]</pre>
 	 *
-	 * @param indentSpaces the number of spaces to indent for each level of
+	 * @param indentSpaces the number of spaces to indent for each level of nesting.
-	 *     nesting.
 	 * @return a human readable JSON string of this array
 	 * @throws JSONException if processing of json failed
 	 */
@@ -687,4 +671,5 @@ public class JSONArray {
 		// diverge from the original, which doesn't implement hashCode
 		return this.values.hashCode();
 	}
+
 }

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSONException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,23 +16,22 @@
 
 package org.springframework.boot.configurationprocessor.json;
 
-// Note: this class was written without inspecting the non-free org.json source code.
+// Note: this class was written without inspecting the non-free org.json sourcecode.
 
 /**
  * Thrown to indicate a problem with the JSON API. Such problems include:
  * <ul>
- *   <li>Attempts to parse or construct malformed documents
+ * <li>Attempts to parse or construct malformed documents
- *   <li>Use of null as a name
+ * <li>Use of null as a name
- *   <li>Use of numeric types not available to JSON, such as {@link
+ * <li>Use of numeric types not available to JSON, such as {@link Double#isNaN() NaNs} or
- *       Double#isNaN() NaNs} or {@link Double#isInfinite() infinities}.
+ * {@link Double#isInfinite() infinities}.
- *   <li>Lookups using an out of range index or nonexistent name
+ * <li>Lookups using an out of range index or nonexistent name
- *   <li>Type mismatches on lookups
+ * <li>Type mismatches on lookups
  * </ul>
- *
+ * <p>
- * <p>Although this is a checked exception, it is rarely recoverable. Most
+ * Although this is a checked exception, it is rarely recoverable. Most callers should
- * callers should simply wrap this exception in an unchecked exception and
+ * simply wrap this exception in an unchecked exception and rethrow: <pre class="code">
- * rethrow:
+ *     public JSONArray toJSONObject() {
- * <pre>  public JSONArray toJSONObject() {
  *     try {
  *         JSONObject result = new JSONObject();
  *         ...
@@ -46,4 +45,5 @@ public class JSONException extends Exception {
 	public JSONException(String s) {
 		super(s);
 	}
+
 }

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSONObject.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,59 +22,55 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 
-// Note: this class was written without inspecting the non-free org.json source code.
+// Note: this class was written without inspecting the non-free org.json sourcecode.
 
 /**
- * A modifiable set of name/value mappings. Names are unique, non-null strings.
+ * A modifiable set of name/value mappings. Names are unique, non-null strings. Values may
- * Values may be any mix of {@link JSONObject JSONObjects}, {@link JSONArray
+ * be any mix of {@link JSONObject JSONObjects}, {@link JSONArray JSONArrays}, Strings,
- * JSONArrays}, Strings, Booleans, Integers, Longs, Doubles or {@link #NULL}.
+ * Booleans, Integers, Longs, Doubles or {@link #NULL}. Values may not be {@code null},
- * Values may not be {@code null}, {@link Double#isNaN() NaNs}, {@link
+ * {@link Double#isNaN() NaNs}, {@link Double#isInfinite() infinities}, or of any type not
- * Double#isInfinite() infinities}, or of any type not listed here.
+ * listed here.
- *
+ * <p>
- * <p>This class can coerce values to another type when requested.
+ * This class can coerce values to another type when requested.
  * <ul>
- *   <li>When the requested type is a boolean, strings will be coerced using a
+ * <li>When the requested type is a boolean, strings will be coerced using a
- *       case-insensitive comparison to "true" and "false".
+ * case-insensitive comparison to "true" and "false".
- *   <li>When the requested type is a double, other {@link Number} types will
+ * <li>When the requested type is a double, other {@link Number} types will be coerced
- *       be coerced using {@link Number#doubleValue() doubleValue}. Strings
+ * using {@link Number#doubleValue() doubleValue}. Strings that can be coerced using
- *       that can be coerced using {@link Double#valueOf(String)} will be.
+ * {@link Double#valueOf(String)} will be.
- *   <li>When the requested type is an int, other {@link Number} types will
+ * <li>When the requested type is an int, other {@link Number} types will be coerced using
- *       be coerced using {@link Number#intValue() intValue}. Strings
+ * {@link Number#intValue() intValue}. Strings that can be coerced using
- *       that can be coerced using {@link Double#valueOf(String)} will be,
+ * {@link Double#valueOf(String)} will be, and then cast to int.
- *       and then cast to int.
+ * <li><a name="lossy">When the requested type is a long, other {@link Number} types will
- *   <li><a name="lossy">When the requested type is a long, other {@link Number} types will
+ * be coerced using {@link Number#longValue() longValue}. Strings that can be coerced
- *       be coerced using {@link Number#longValue() longValue}. Strings
+ * using {@link Double#valueOf(String)} will be, and then cast to long. This two-step
- *       that can be coerced using {@link Double#valueOf(String)} will be,
+ * conversion is lossy for very large values. For example, the string
- *       and then cast to long. This two-step conversion is lossy for very
+ * "9223372036854775806" yields the long 9223372036854775807.</a>
- *       large values. For example, the string "9223372036854775806" yields the
+ * <li>When the requested type is a String, other non-null values will be coerced using
- *       long 9223372036854775807.</a>
+ * {@link String#valueOf(Object)}. Although null cannot be coerced, the sentinel value
- *   <li>When the requested type is a String, other non-null values will be
+ * {@link JSONObject#NULL} is coerced to the string "null".
- *       coerced using {@link String#valueOf(Object)}. Although null cannot be
- *       coerced, the sentinel value {@link JSONObject#NULL} is coerced to the
- *       string "null".
  * </ul>
- *
+ * <p>
- * <p>This class can look up both mandatory and optional values:
+ * This class can look up both mandatory and optional values:
  * <ul>
- *   <li>Use <code>get<i>Type</i>()</code> to retrieve a mandatory value. This
+ * <li>Use <code>get<i>Type</i>()</code> to retrieve a mandatory value. This fails with a
- *       fails with a {@code JSONException} if the requested name has no value
+ * {@code JSONException} if the requested name has no value or if the value cannot be
- *       or if the value cannot be coerced to the requested type.
+ * coerced to the requested type.
- *   <li>Use <code>opt<i>Type</i>()</code> to retrieve an optional value. This
+ * <li>Use <code>opt<i>Type</i>()</code> to retrieve an optional value. This returns a
- *       returns a system- or user-supplied default if the requested name has no
+ * system- or user-supplied default if the requested name has no value or if the value
- *       value or if the value cannot be coerced to the requested type.
+ * cannot be coerced to the requested type.
  * </ul>
- *
+ * <p>
- * <p><strong>Warning:</strong> this class represents null in two incompatible
+ * <strong>Warning:</strong> this class represents null in two incompatible ways: the
- * ways: the standard Java {@code null} reference, and the sentinel value {@link
+ * standard Java {@code null} reference, and the sentinel value {@link JSONObject#NULL}.
- * JSONObject#NULL}. In particular, calling {@code put(name, null)} removes the
+ * In particular, calling {@code put(name, null)} removes the named entry from the object
- * named entry from the object but {@code put(name, JSONObject.NULL)} stores an
+ * but {@code put(name, JSONObject.NULL)} stores an entry whose value is
- * entry whose value is {@code JSONObject.NULL}.
+ * {@code JSONObject.NULL}.
- *
+ * <p>
- * <p>Instances of this class are not thread safe. Although this class is
+ * Instances of this class are not thread safe. Although this class is nonfinal, it was
- * nonfinal, it was not designed for inheritance and should not be subclassed.
+ * not designed for inheritance and should not be subclassed. In particular, self-use by
- * In particular, self-use by overrideable methods is not specified. See
+ * overrideable methods is not specified. See <i>Effective Java</i> Item 17, "Design and
- * <i>Effective Java</i> Item 17, "Design and Document or inheritance or else
+ * Document or inheritance or else prohibit it" for further information.
- * prohibit it" for further information.
  */
 public class JSONObject {
 
@@ -84,27 +80,29 @@ public class JSONObject {
 	 * A sentinel value used to explicitly define a name with no value. Unlike
 	 * {@code null}, names with this value:
 	 * <ul>
-	 *   <li>show up in the {@link #names} array
+	 * <li>show up in the {@link #names} array
-	 *   <li>show up in the {@link #keys} iterator
+	 * <li>show up in the {@link #keys} iterator
-	 *   <li>return {@code true} for {@link #has(String)}
+	 * <li>return {@code true} for {@link #has(String)}
-	 *   <li>do not throw on {@link #get(String)}
+	 * <li>do not throw on {@link #get(String)}
-	 *   <li>are included in the encoded JSON string.
+	 * <li>are included in the encoded JSON string.
 	 * </ul>
-	 *
+	 * <p>
-	 * <p>This value violates the general contract of {@link Object#equals} by
+	 * This value violates the general contract of {@link Object#equals} by returning true
-	 * returning true when compared to {@code null}. Its {@link #toString}
+	 * when compared to {@code null}. Its {@link #toString} method returns "null".
-	 * method returns "null".
 	 */
 	public static final Object NULL = new Object() {
+
 		@Override
 		public boolean equals(Object o) {
-			return o == this || o == null; // API specifies this broken equals implementation
+			return o == this || o == null; // API specifies this broken equals
+											// implementation
 		}
 
 		@Override
 		public String toString() {
 			return "null";
 		}
+
 	};
 
 	private final Map<String, Object> nameValuePairs;
@@ -117,21 +115,22 @@ public class JSONObject {
 	}
 
 	/**
-	 * Creates a new {@code JSONObject} by copying all name/value mappings from
+	 * Creates a new {@code JSONObject} by copying all name/value mappings from the given
-	 * the given map.
+	 * map.
 	 *
-	 * @param copyFrom a map whose keys are of type {@link String} and whose
+	 * @param copyFrom a map whose keys are of type {@link String} and whose values are of
-	 *     values are of supported types.
+	 * supported types.
 	 * @throws NullPointerException if any of the map's keys are null.
 	 */
 	/* (accept a raw type for API compatibility) */
+	@SuppressWarnings("rawtypes")
 	public JSONObject(Map copyFrom) {
 		this();
-		Map<?, ?> contentsTyped = (Map<?, ?>) copyFrom;
+		Map<?, ?> contentsTyped = copyFrom;
 		for (Map.Entry<?, ?> entry : contentsTyped.entrySet()) {
 			/*
-			 * Deviate from the original by checking that keys are non-null and
+			 * Deviate from the original by checking that keys are non-null and of the
-			 * of the proper type. (We still defer validating the values).
+			 * proper type. (We still defer validating the values).
 			 */
 			String key = (String) entry.getKey();
 			if (key == null) {
@@ -142,18 +141,15 @@ public class JSONObject {
 	}
 
 	/**
-	 * Creates a new {@code JSONObject} with name/value mappings from the next
+	 * Creates a new {@code JSONObject} with name/value mappings from the next object in
-	 * object in the tokener.
+	 * the tokener.
-	 *
+	 * @param readFrom a tokener whose nextValue() method will yield a {@code JSONObject}.
-	 * @param readFrom a tokener whose nextValue() method will yield a
+	 * @throws JSONException if the parse fails or doesn't yield a {@code JSONObject}.
-	 *     {@code JSONObject}.
-	 * @throws JSONException if the parse fails or doesn't yield a
-	 *     {@code JSONObject}.
 	 */
 	public JSONObject(JSONTokener readFrom) throws JSONException {
 		/*
-		 * Getting the parser to populate this could get tricky. Instead, just
+		 * Getting the parser to populate this could get tricky. Instead, just parse to
-		 * parse to temporary JSONObject and then steal the data from that.
+		 * temporary JSONObject and then steal the data from that.
 		 */
 		Object object = readFrom.nextValue();
 		if (object instanceof JSONObject) {
@@ -165,9 +161,7 @@ public class JSONObject {
 	}
 
 	/**
-	 * Creates a new {@code JSONObject} with name/value mappings from the JSON
+	 * Creates a new {@code JSONObject} with name/value mappings from the JSON string.
-	 * string.
-	 *
 	 * @param json a JSON-encoded string containing an object.
 	 * @throws JSONException if the parse fails or doesn't yield a {@code
 	 *     JSONObject}.
@@ -177,9 +171,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Creates a new {@code JSONObject} by copying mappings for the listed names
+	 * Creates a new {@code JSONObject} by copying mappings for the listed names from the
-	 * from the given object. Names that aren't present in {@code copyFrom} will
+	 * given object. Names that aren't present in {@code copyFrom} will be skipped.
-	 * be skipped.
 	 * @param copyFrom the source
 	 * @param names the property names
 	 * @throws JSONException if an error occurs
@@ -203,8 +196,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Maps {@code name} to {@code value}, clobbering any existing name/value
+	 * Maps {@code name} to {@code value}, clobbering any existing name/value mapping with
-	 * mapping with the same name.
+	 * the same name.
 	 * @param name the name of the property
 	 * @param value the value of the property
 	 * @return this object.
@@ -216,12 +209,11 @@ public class JSONObject {
 	}
 
 	/**
-	 * Maps {@code name} to {@code value}, clobbering any existing name/value
+	 * Maps {@code name} to {@code value}, clobbering any existing name/value mapping with
-	 * mapping with the same name.
+	 * the same name.
-	 *
 	 * @param name the name of the property
 	 * @param value a finite value. May not be {@link Double#isNaN() NaNs} or
-	 *     {@link Double#isInfinite() infinities}.
+	 * {@link Double#isInfinite() infinities}.
 	 * @return this object.
 	 * @throws JSONException if an error occurs
 	 */
@@ -231,9 +223,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Maps {@code name} to {@code value}, clobbering any existing name/value
+	 * Maps {@code name} to {@code value}, clobbering any existing name/value mapping with
-	 * mapping with the same name.
+	 * the same name.
-	 *
 	 * @param name the name of the property
 	 * @param value the value of the property
 	 * @return this object.
@@ -245,9 +236,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Maps {@code name} to {@code value}, clobbering any existing name/value
+	 * Maps {@code name} to {@code value}, clobbering any existing name/value mapping with
-	 * mapping with the same name.
+	 * the same name.
-	 *
 	 * @param name the name of the property
 	 * @param value the value of the property
 	 * @return this object.
@@ -259,15 +249,13 @@ public class JSONObject {
 	}
 
 	/**
-	 * Maps {@code name} to {@code value}, clobbering any existing name/value
+	 * Maps {@code name} to {@code value}, clobbering any existing name/value mapping with
-	 * mapping with the same name. If the value is {@code null}, any existing
+	 * the same name. If the value is {@code null}, any existing mapping for {@code name}
-	 * mapping for {@code name} is removed.
+	 * is removed.
-	 *
 	 * @param name the name of the property
-	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean,
+	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer,
-	 *     Integer, Long, Double, {@link #NULL}, or {@code null}. May not be
+	 * Long, Double, {@link #NULL}, or {@code null}. May not be {@link Double#isNaN()
-	 *     {@link Double#isNaN() NaNs} or {@link Double#isInfinite()
+	 * NaNs} or {@link Double#isInfinite() infinities}.
-	 *     infinities}.
 	 * @return this object.
 	 * @throws JSONException if an error occurs
 	 */
@@ -277,7 +265,8 @@ public class JSONObject {
 			return this;
 		}
 		if (value instanceof Number) {
-			// deviate from the original by checking all Numbers, not just floats & doubles
+			// deviate from the original by checking all Numbers, not just floats &
+			// doubles
 			JSON.checkDouble(((Number) value).doubleValue());
 		}
 		this.nameValuePairs.put(checkName(name), value);
@@ -285,8 +274,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Equivalent to {@code put(name, value)} when both parameters are non-null;
+	 * Equivalent to {@code put(name, value)} when both parameters are non-null; does
-	 * does nothing otherwise.
+	 * nothing otherwise.
 	 * @param name the name of the property
 	 * @param value the value of the property
 	 * @return this object.
@@ -300,17 +289,15 @@ public class JSONObject {
 	}
 
 	/**
-	 * Appends {@code value} to the array already mapped to {@code name}. If
+	 * Appends {@code value} to the array already mapped to {@code name}. If this object
-	 * this object has no mapping for {@code name}, this inserts a new mapping.
+	 * has no mapping for {@code name}, this inserts a new mapping. If the mapping exists
-	 * If the mapping exists but its value is not an array, the existing
+	 * but its value is not an array, the existing and new values are inserted in order
-	 * and new values are inserted in order into a new array which is itself
+	 * into a new array which is itself mapped to {@code name}. In aggregate, this allows
-	 * mapped to {@code name}. In aggregate, this allows values to be added to a
+	 * values to be added to a mapping one at a time.
-	 * mapping one at a time.
-	 *
 	 * @param name the name of the property
-	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean,
+	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer,
-	 *     Integer, Long, Double, {@link #NULL} or null. May not be {@link
+	 * Long, Double, {@link #NULL} or null. May not be {@link Double#isNaN() NaNs} or
-	 *     Double#isNaN() NaNs} or {@link Double#isInfinite() infinities}.
+	 * {@link Double#isInfinite() infinities}.
 	 * @return this object.
 	 * @throws JSONException if an error occurs
 	 */
@@ -349,16 +336,16 @@ public class JSONObject {
 	 * Removes the named mapping if it exists; does nothing otherwise.
 	 *
 	 * @param name the name of the property
-	 * @return the value previously mapped by {@code name}, or null if there was
+	 * @return the value previously mapped by {@code name}, or null if there was no such
-	 *     no such mapping.
+	 * mapping.
 	 */
 	public Object remove(String name) {
 		return this.nameValuePairs.remove(name);
 	}
 
 	/**
-	 * Returns true if this object has no mapping for {@code name} or if it has
+	 * Returns true if this object has no mapping for {@code name} or if it has a mapping
-	 * a mapping whose value is {@link #NULL}.
+	 * whose value is {@link #NULL}.
 	 * @param name the name of the property
 	 * @return true if this object has no mapping for {@code name}
 	 */
@@ -368,8 +355,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns true if this object has a mapping for {@code name}. The mapping
+	 * Returns true if this object has a mapping for {@code name}. The mapping may be
-	 * may be {@link #NULL}.
+	 * {@link #NULL}.
 	 * @param name the name of the property
 	 * @return true if this object has a mapping for {@code name}
 	 */
@@ -392,8 +379,7 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name}, or null if no such mapping
+	 * Returns the value mapped by {@code name}, or null if no such mapping exists.
-	 * exists.
 	 * @param name the name of the property
 	 * @return the value or {@code null}
 	 */
@@ -402,13 +388,12 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a boolean or
+	 * Returns the value mapped by {@code name} if it exists and is a boolean or can be
-	 * can be coerced to a boolean.
+	 * coerced to a boolean.
-	 *
 	 * @param name the name of the property
 	 * @return the value
-	 * @throws JSONException if the mapping doesn't exist or cannot be coerced
+	 * @throws JSONException if the mapping doesn't exist or cannot be coerced to a
-	 *     to a boolean.
+	 * boolean.
 	 */
 	public boolean getBoolean(String name) throws JSONException {
 		Object object = get(name);
@@ -420,8 +405,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a boolean or
+	 * Returns the value mapped by {@code name} if it exists and is a boolean or can be
-	 * can be coerced to a boolean. Returns false otherwise.
+	 * coerced to a boolean. Returns false otherwise.
 	 * @param name the name of the property
 	 * @return the value or {@code null}
 	 */
@@ -430,8 +415,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a boolean or
+	 * Returns the value mapped by {@code name} if it exists and is a boolean or can be
-	 * can be coerced to a boolean. Returns {@code fallback} otherwise.
+	 * coerced to a boolean. Returns {@code fallback} otherwise.
 	 * @param name the name of the property
 	 * @param fallback a fallback value
 	 * @return the value or {@code fallback}
@@ -443,13 +428,13 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a double or
+	 * Returns the value mapped by {@code name} if it exists and is a double or can be
-	 * can be coerced to a double.
+	 * coerced to a double.
 	 *
 	 * @param name the name of the property
 	 * @return the value
-	 * @throws JSONException if the mapping doesn't exist or cannot be coerced
+	 * @throws JSONException if the mapping doesn't exist or cannot be coerced to a
-	 *     to a double.
+	 * double.
 	 */
 	public double getDouble(String name) throws JSONException {
 		Object object = get(name);
@@ -461,8 +446,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a double or
+	 * Returns the value mapped by {@code name} if it exists and is a double or can be
-	 * can be coerced to a double. Returns {@code NaN} otherwise.
+	 * coerced to a double. Returns {@code NaN} otherwise.
 	 * @param name the name of the property
 	 * @return the value or {@code NaN}
 	 */
@@ -471,8 +456,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a double or
+	 * Returns the value mapped by {@code name} if it exists and is a double or can be
-	 * can be coerced to a double. Returns {@code fallback} otherwise.
+	 * coerced to a double. Returns {@code fallback} otherwise.
 	 * @param name the name of the property
 	 * @param fallback a fallback value
 	 * @return the value or {@code fallback}
@@ -484,12 +469,11 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is an int or
+	 * Returns the value mapped by {@code name} if it exists and is an int or can be
-	 * can be coerced to an int.
+	 * coerced to an int.
 	 * @param name the name of the property
 	 * @return the value
-	 * @throws JSONException if the mapping doesn't exist or cannot be coerced
+	 * @throws JSONException if the mapping doesn't exist or cannot be coerced to an int.
-	 *     to an int.
 	 */
 	public int getInt(String name) throws JSONException {
 		Object object = get(name);
@@ -501,8 +485,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is an int or
+	 * Returns the value mapped by {@code name} if it exists and is an int or can be
-	 * can be coerced to an int. Returns 0 otherwise.
+	 * coerced to an int. Returns 0 otherwise.
 	 * @param name the name of the property
 	 * @return the value of {@code 0}
 	 */
@@ -511,8 +495,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is an int or
+	 * Returns the value mapped by {@code name} if it exists and is an int or can be
-	 * can be coerced to an int. Returns {@code fallback} otherwise.
+	 * coerced to an int. Returns {@code fallback} otherwise.
 	 * @param name the name of the property
 	 * @param fallback a fallback value
 	 * @return the value or {@code fallback}
@@ -524,14 +508,12 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a long or
+	 * Returns the value mapped by {@code name} if it exists and is a long or can be
-	 * can be coerced to a long. Note that JSON represents numbers as doubles,
+	 * coerced to a long. Note that JSON represents numbers as doubles, so this is
-	 * so this is <a href="#lossy">lossy</a>; use strings to transfer numbers via JSON.
+	 * <a href="#lossy">lossy</a>; use strings to transfer numbers via JSON.
-	 *
 	 * @param name the name of the property
 	 * @return the value
-	 * @throws JSONException if the mapping doesn't exist or cannot be coerced
+	 * @throws JSONException if the mapping doesn't exist or cannot be coerced to a long.
-	 *     to a long.
 	 */
 	public long getLong(String name) throws JSONException {
 		Object object = get(name);
@@ -543,9 +525,10 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a long or
+	 * Returns the value mapped by {@code name} if it exists and is a long or can be
-	 * can be coerced to a long. Returns 0 otherwise. Note that JSON represents numbers as doubles,
+	 * coerced to a long. Returns 0 otherwise. Note that JSON represents numbers as
-	 * so this is <a href="#lossy">lossy</a>; use strings to transfer numbers via JSON.
+	 * doubles, so this is <a href="#lossy">lossy</a>; use strings to transfer numbers via
+	 * JSON.
 	 * @param name the name of the property
 	 * @return the value or {@code 0L}
 	 */
@@ -554,8 +537,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists and is a long or
+	 * Returns the value mapped by {@code name} if it exists and is a long or can be
-	 * can be coerced to a long. Returns {@code fallback} otherwise. Note that JSON represents
+	 * coerced to a long. Returns {@code fallback} otherwise. Note that JSON represents
 	 * numbers as doubles, so this is <a href="#lossy">lossy</a>; use strings to transfer
 	 * numbers via JSON.
 	 * @param name the name of the property
@@ -569,8 +552,7 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists, coercing it if
+	 * Returns the value mapped by {@code name} if it exists, coercing it if necessary.
-	 * necessary.
 	 * @param name the name of the property
 	 * @return the value
 	 * @throws JSONException if no such mapping exists.
@@ -585,8 +567,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists, coercing it if
+	 * Returns the value mapped by {@code name} if it exists, coercing it if necessary.
-	 * necessary. Returns the empty string if no such mapping exists.
+	 * Returns the empty string if no such mapping exists.
 	 * @param name the name of the property
 	 * @return the value or an empty string
 	 */
@@ -595,8 +577,8 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns the value mapped by {@code name} if it exists, coercing it if
+	 * Returns the value mapped by {@code name} if it exists, coercing it if necessary.
-	 * necessary. Returns {@code fallback} if no such mapping exists.
+	 * Returns {@code fallback} if no such mapping exists.
 	 * @param name the name of the property
 	 * @param fallback a fallback value
 	 * @return the value or {@code fallback}
@@ -666,9 +648,9 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns an array with the values corresponding to {@code names}. The
+	 * Returns an array with the values corresponding to {@code names}. The array contains
-	 * array contains null for names that aren't mapped. This method returns
+	 * null for names that aren't mapped. This method returns null if {@code names} is
-	 * null if {@code names} is either null or empty.
+	 * either null or empty.
 	 * @param names the names of the properties
 	 * @return the array
 	 */
@@ -689,26 +671,26 @@ public class JSONObject {
 	}
 
 	/**
-	 * Returns an iterator of the {@code String} names in this object. The
+	 * Returns an iterator of the {@code String} names in this object. The returned
-	 * returned iterator supports {@link Iterator#remove() remove}, which will
+	 * iterator supports {@link Iterator#remove() remove}, which will remove the
-	 * remove the corresponding mapping from this object. If this object is
+	 * corresponding mapping from this object. If this object is modified after the
-	 * modified after the iterator is returned, the iterator's behavior is
+	 * iterator is returned, the iterator's behavior is undefined. The order of the keys
-	 * undefined. The order of the keys is undefined.
+	 * is undefined.
 	 * @return the keys
 	 */
 	/* Return a raw type for API compatibility */
+	@SuppressWarnings("rawtypes")
 	public Iterator keys() {
 		return this.nameValuePairs.keySet().iterator();
 	}
 
 	/**
-	 * Returns an array containing the string names in this object. This method
+	 * Returns an array containing the string names in this object. This method returns
-	 * returns null if this object contains no mappings.
+	 * null if this object contains no mappings.
 	 * @return the array
 	 */
 	public JSONArray names() {
-		return this.nameValuePairs.isEmpty()
+		return this.nameValuePairs.isEmpty() ? null
-				? null
 				: new JSONArray(new ArrayList<String>(this.nameValuePairs.keySet()));
 	}
 
@@ -730,9 +712,7 @@ public class JSONObject {
 	}
 
 	/**
-	 * Encodes this object as a human readable JSON string for debugging, such
+	 * Encodes this object as a human readable JSON string for debugging, such as: <pre>
-	 * as:
-	 * <pre>
 	 * {
 	 *     "query": "Pizza",
 	 *     "locations": [
@@ -740,9 +720,7 @@ public class JSONObject {
 	 *         90210
 	 *     ]
 	 * }</pre>
-	 *
+	 * @param indentSpaces the number of spaces to indent for each level of nesting.
-	 * @param indentSpaces the number of spaces to indent for each level of
-	 *     nesting.
 	 * @return a string representation of the object.
 	 * @throws JSONException if an error occurs
 	 */
@@ -762,9 +740,8 @@ public class JSONObject {
 
 	/**
 	 * Encodes the number as a JSON string.
-	 *
 	 * @param number a finite value. May not be {@link Double#isNaN() NaNs} or
-	 *     {@link Double#isInfinite() infinities}.
+	 * {@link Double#isInfinite() infinities}.
 	 * @return the encoded value
 	 * @throws JSONException if an error occurs
 	 */
@@ -782,7 +759,7 @@ public class JSONObject {
 		}
 
 		long longValue = number.longValue();
-		if (doubleValue == (double) longValue) {
+		if (doubleValue == longValue) {
 			return Long.toString(longValue);
 		}
 
@@ -790,11 +767,9 @@ public class JSONObject {
 	}
 
 	/**
-	 * Encodes {@code data} as a JSON string. This applies quotes and any
+	 * Encodes {@code data} as a JSON string. This applies quotes and any necessary
-	 * necessary character escaping.
+	 * character escaping.
-	 *
+	 * @param data the string to encode. Null will be interpreted as an empty string.
-	 * @param data the string to encode. Null will be interpreted as an empty
-	 *     string.
 	 * @return the quoted value
 	 */
 	public static String quote(String data) {
@@ -815,18 +790,19 @@ public class JSONObject {
 
 	/**
 	 * Wraps the given object if necessary.
-	 *
+	 * <p>
-	 * <p>If the object is null or , returns {@link #NULL}.
+	 * If the object is null or , returns {@link #NULL}. If the object is a
-	 * If the object is a {@code JSONArray} or {@code JSONObject}, no wrapping is necessary.
+	 * {@code JSONArray} or {@code JSONObject}, no wrapping is necessary. If the object is
-	 * If the object is {@code NULL}, no wrapping is necessary.
+	 * {@code NULL}, no wrapping is necessary. If the object is an array or
-	 * If the object is an array or {@code Collection}, returns an equivalent {@code JSONArray}.
+	 * {@code Collection}, returns an equivalent {@code JSONArray}. If the object is a
-	 * If the object is a {@code Map}, returns an equivalent {@code JSONObject}.
+	 * {@code Map}, returns an equivalent {@code JSONObject}. If the object is a primitive
-	 * If the object is a primitive wrapper type or {@code String}, returns the object.
+	 * wrapper type or {@code String}, returns the object. Otherwise if the object is from
-	 * Otherwise if the object is from a {@code java} package, returns the result of {@code toString}.
+	 * a {@code java} package, returns the result of {@code toString}. If wrapping fails,
-	 * If wrapping fails, returns null.
+	 * returns null.
 	 * @param o the object to wrap
 	 * @return the wrapped object
 	 */
+	@SuppressWarnings("rawtypes")
 	public static Object wrap(Object o) {
 		if (o == null) {
 			return NULL;
@@ -847,15 +823,9 @@ public class JSONObject {
 			if (o instanceof Map) {
 				return new JSONObject((Map) o);
 			}
-			if (o instanceof Boolean ||
+			if (o instanceof Boolean || o instanceof Byte || o instanceof Character
-					o instanceof Byte ||
+					|| o instanceof Double || o instanceof Float || o instanceof Integer
-					o instanceof Character ||
+					|| o instanceof Long || o instanceof Short || o instanceof String) {
-					o instanceof Double ||
-					o instanceof Float ||
-					o instanceof Integer ||
-					o instanceof Long ||
-					o instanceof Short ||
-					o instanceof String) {
 				return o;
 			}
 			if (o.getClass().getPackage().getName().startsWith("java.")) {
@@ -866,4 +836,5 @@ public class JSONObject {
 		}
 		return null;
 	}
+
 }

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSONStringer.java

@@ -23,80 +23,77 @@ import java.util.List;
 // Note: this class was written without inspecting the non-free org.json sourcecode.
 
 /**
- * Implements {@link JSONObject#toString} and {@link JSONArray#toString}. Most
+ * Implements {@link JSONObject#toString} and {@link JSONArray#toString}. Most application
- * application developers should use those methods directly and disregard this
+ * developers should use those methods directly and disregard this API. For example:<pre>
- * API. For example:<pre>
  * JSONObject object = ...
  * String json = object.toString();</pre>
- *
+ * <p>
- * <p>Stringers only encode well-formed JSON strings. In particular:
+ * Stringers only encode well-formed JSON strings. In particular:
  * <ul>
- *   <li>The stringer must have exactly one top-level array or object.
+ * <li>The stringer must have exactly one top-level array or object.
- *   <li>Lexical scopes must be balanced: every call to {@link #array} must
+ * <li>Lexical scopes must be balanced: every call to {@link #array} must have a matching
- *       have a matching call to {@link #endArray} and every call to {@link
+ * call to {@link #endArray} and every call to {@link #object} must have a matching call
- *       #object} must have a matching call to {@link #endObject}.
+ * to {@link #endObject}.
- *   <li>Arrays may not contain keys (property names).
+ * <li>Arrays may not contain keys (property names).
- *   <li>Objects must alternate keys (property names) and values.
+ * <li>Objects must alternate keys (property names) and values.
- *   <li>Values are inserted with either literal {@link #value(Object) value}
+ * <li>Values are inserted with either literal {@link #value(Object) value} calls, or by
- *       calls, or by nesting arrays or objects.
+ * nesting arrays or objects.
  * </ul>
  * Calls that would result in a malformed JSON string will fail with a
  * {@link JSONException}.
- *
+ * <p>
- * <p>This class provides no facility for pretty-printing (ie. indenting)
+ * This class provides no facility for pretty-printing (ie. indenting) output. To encode
- * output. To encode indented output, use {@link JSONObject#toString(int)} or
+ * indented output, use {@link JSONObject#toString(int)} or
  * {@link JSONArray#toString(int)}.
- *
+ * <p>
- * <p>Some implementations of the API support at most 20 levels of nesting.
+ * Some implementations of the API support at most 20 levels of nesting. Attempts to
- * Attempts to create more than 20 levels of nesting may fail with a {@link
+ * create more than 20 levels of nesting may fail with a {@link JSONException}.
- * JSONException}.
+ * <p>
- *
+ * Each stringer may be used to encode a single top level value. Instances of this class
- * <p>Each stringer may be used to encode a single top level value. Instances of
+ * are not thread safe. Although this class is nonfinal, it was not designed for
- * this class are not thread safe. Although this class is nonfinal, it was not
+ * inheritance and should not be subclassed. In particular, self-use by overrideable
- * designed for inheritance and should not be subclassed. In particular,
+ * methods is not specified. See <i>Effective Java</i> Item 17,
- * self-use by overrideable methods is not specified. See <i>Effective Java</i>
+ * "Design and Document or inheritance or else prohibit it" for further information.
- * Item 17, "Design and Document or inheritance or else prohibit it" for further
- * information.
  */
 public class JSONStringer {
 
-	/** The output data, containing at most one top-level array or object. */
+	/**
+	 * The output data, containing at most one top-level array or object.
+	 */
 	final StringBuilder out = new StringBuilder();
 
 	/**
-	 * Lexical scoping elements within this stringer, necessary to insert the
+	 * Lexical scoping elements within this stringer, necessary to insert the appropriate
-	 * appropriate separator characters (ie. commas and colons) and to detect
+	 * separator characters (ie. commas and colons) and to detect nesting errors.
-	 * nesting errors.
 	 */
 	enum Scope {
 
 		/**
-		 * An array with no elements requires no separators or newlines before
+		 * An array with no elements requires no separators or newlines before it is
-		 * it is closed.
+		 * closed.
 		 */
 		EMPTY_ARRAY,
 
 		/**
-		 * A array with at least one value requires a comma and newline before
+		 * A array with at least one value requires a comma and newline before the next
-		 * the next element.
+		 * element.
 		 */
 		NONEMPTY_ARRAY,
 
 		/**
-		 * An object with no keys or values requires no separators or newlines
+		 * An object with no keys or values requires no separators or newlines before it
-		 * before it is closed.
+		 * is closed.
 		 */
 		EMPTY_OBJECT,
 
 		/**
-		 * An object whose most recent element is a key. The next element must
+		 * An object whose most recent element is a key. The next element must be a value.
-		 * be a value.
 		 */
 		DANGLING_KEY,
 
 		/**
-		 * An object with at least one name/value pair requires a comma and
+		 * An object with at least one name/value pair requires a comma and newline before
-		 * newline before the next element.
+		 * the next element.
 		 */
 		NONEMPTY_OBJECT,
 
@@ -104,18 +101,19 @@ public class JSONStringer {
 		 * A special bracketless array needed by JSONStringer.join() and
 		 * JSONObject.quote() only. Not used for JSON encoding.
 		 */
-		NULL,
+		NULL
+
 	}
 
 	/**
-	 * Unlike the original implementation, this stack isn't limited to 20
+	 * Unlike the original implementation, this stack isn't limited to 20 levels of
-	 * levels of nesting.
+	 * nesting.
 	 */
 	private final List<Scope> stack = new ArrayList<Scope>();
 
 	/**
-	 * A string containing a full set of spaces for a single level of
+	 * A string containing a full set of spaces for a single level of indentation, or null
-	 * indentation, or null for no pretty printing.
+	 * for no pretty printing.
 	 */
 	private final String indent;
 
@@ -130,9 +128,8 @@ public class JSONStringer {
 	}
 
 	/**
-	 * Begins encoding a new array. Each call to this method must be paired with
+	 * Begins encoding a new array. Each call to this method must be paired with a call to
-	 * a call to {@link #endArray}.
+	 * {@link #endArray}.
-	 *
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -142,7 +139,6 @@ public class JSONStringer {
 
 	/**
 	 * Ends encoding the current array.
-	 *
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -151,9 +147,8 @@ public class JSONStringer {
 	}
 
 	/**
-	 * Begins encoding a new object. Each call to this method must be paired
+	 * Begins encoding a new object. Each call to this method must be paired with a call
-	 * with a call to {@link #endObject}.
+	 * to {@link #endObject}.
-	 *
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -163,7 +158,6 @@ public class JSONStringer {
 
 	/**
 	 * Ends encoding the current object.
-	 *
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -172,8 +166,7 @@ public class JSONStringer {
 	}
 
 	/**
-	 * Enters a new scope by appending any necessary whitespace and the given
+	 * Enters a new scope by appending any necessary whitespace and the given bracket.
-	 * bracket.
 	 * @param empty any necessary whitespace
 	 * @param openBracket the open bracket
 	 * @return this object
@@ -190,14 +183,16 @@ public class JSONStringer {
 	}
 
 	/**
-	 * Closes the current scope by appending any necessary whitespace and the
+	 * Closes the current scope by appending any necessary whitespace and the given
-	 * given bracket.
+	 * bracket.
 	 * @param empty any necessary whitespace
 	 * @param nonempty the current scope
 	 * @param closeBracket the close bracket
+	 * @return the JSON stringer
 	 * @throws JSONException if processing of json failed
 	 */
-	JSONStringer close(Scope empty, Scope nonempty, String closeBracket) throws JSONException {
+	JSONStringer close(Scope empty, Scope nonempty, String closeBracket)
+			throws JSONException {
 		Scope context = peek();
 		if (context != nonempty && context != empty) {
 			throw new JSONException("Nesting problem");
@@ -233,10 +228,9 @@ public class JSONStringer {
 
 	/**
 	 * Encodes {@code value}.
-	 *
+	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer,
-	 * @param value a {@link JSONObject}, {@link JSONArray}, String, Boolean,
+	 * Long, Double or null. May not be {@link Double#isNaN() NaNs} or
-	 *     Integer, Long, Double or null. May not be {@link Double#isNaN() NaNs}
+	 * {@link Double#isInfinite() infinities}.
-	 *     or {@link Double#isInfinite() infinities}.
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -257,9 +251,7 @@ public class JSONStringer {
 
 		beforeValue();
 
-		if (value == null
+		if (value == null || value instanceof Boolean || value == JSONObject.NULL) {
-				|| value instanceof Boolean
-				|| value == JSONObject.NULL) {
 			this.out.append(value);
 
 		}
@@ -276,7 +268,6 @@ public class JSONStringer {
 
 	/**
 	 * Encodes {@code value} to this stringer.
-	 *
 	 * @param value the value to encode
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
@@ -292,9 +283,8 @@ public class JSONStringer {
 
 	/**
 	 * Encodes {@code value} to this stringer.
-	 *
 	 * @param value a finite value. May not be {@link Double#isNaN() NaNs} or
-	 *     {@link Double#isInfinite() infinities}.
+	 * {@link Double#isInfinite() infinities}.
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
 	 */
@@ -309,7 +299,6 @@ public class JSONStringer {
 
 	/**
 	 * Encodes {@code value} to this stringer.
-	 *
 	 * @param value the value to encode
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
@@ -329,46 +318,45 @@ public class JSONStringer {
 			char c = value.charAt(i);
 
 			/*
-			 * From RFC 4627, "All Unicode characters may be placed within the
+			 * From RFC 4627, "All Unicode characters may be placed within the quotation
-			 * quotation marks except for the characters that must be escaped:
+			 * marks except for the characters that must be escaped: quotation mark,
-			 * quotation mark, reverse solidus, and the control characters
+			 * reverse solidus, and the control characters (U+0000 through U+001F)."
-			 * (U+0000 through U+001F)."
 			 */
 			switch (c) {
-				case '"':
+			case '"':
-				case '\\':
+			case '\\':
-				case '/':
+			case '/':
-					this.out.append('\\').append(c);
+				this.out.append('\\').append(c);
-					break;
+				break;
-
+
-				case '\t':
+			case '\t':
-					this.out.append("\\t");
+				this.out.append("\\t");
-					break;
+				break;
-
+
-				case '\b':
+			case '\b':
-					this.out.append("\\b");
+				this.out.append("\\b");
-					break;
+				break;
-
+
-				case '\n':
+			case '\n':
-					this.out.append("\\n");
+				this.out.append("\\n");
-					break;
+				break;
-
+
-				case '\r':
+			case '\r':
-					this.out.append("\\r");
+				this.out.append("\\r");
-					break;
+				break;
-
+
-				case '\f':
+			case '\f':
-					this.out.append("\\f");
+				this.out.append("\\f");
-					break;
+				break;
-
+
-				default:
+			default:
-					if (c <= 0x1F) {
+				if (c <= 0x1F) {
-						this.out.append(String.format("\\u%04x", (int) c));
+					this.out.append(String.format("\\u%04x", (int) c));
-					}
+				}
-					else {
+				else {
-						this.out.append(c);
+					this.out.append(c);
-					}
+				}
-					break;
+				break;
 			}
 
 		}
@@ -388,7 +376,6 @@ public class JSONStringer {
 
 	/**
 	 * Encodes the key (property name) to this stringer.
-	 *
 	 * @param name the name of the forthcoming value. May not be null.
 	 * @return this stringer.
 	 * @throws JSONException if processing of json failed
@@ -403,8 +390,8 @@ public class JSONStringer {
 	}
 
 	/**
-	 * Inserts any necessary separators and whitespace before a name. Also
+	 * Inserts any necessary separators and whitespace before a name. Also adjusts the
-	 * adjusts the stack to expect the key's value.
+	 * stack to expect the key's value.
 	 * @throws JSONException if processing of json failed
 	 */
 	private void beforeKey() throws JSONException {
@@ -420,9 +407,9 @@ public class JSONStringer {
 	}
 
 	/**
-	 * Inserts any necessary separators and whitespace before a literal value,
+	 * Inserts any necessary separators and whitespace before a literal value, inline
-	 * inline array, or inline object. Also adjusts the stack to expect either a
+	 * array, or inline object. Also adjusts the stack to expect either a closing bracket
-	 * closing bracket or another element.
+	 * or another element.
 	 * @throws JSONException if processing of json failed
 	 */
 	private void beforeValue() throws JSONException {
@@ -450,17 +437,17 @@ public class JSONStringer {
 
 	/**
 	 * Returns the encoded JSON string.
-	 *
+	 * <p>
-	 * <p>If invoked with unterminated arrays or unclosed objects, this method's
+	 * If invoked with unterminated arrays or unclosed objects, this method's return value
-	 * return value is undefined.
+	 * is undefined.
-	 *
+	 * <p>
-	 * <p><strong>Warning:</strong> although it contradicts the general contract
+	 * <strong>Warning:</strong> although it contradicts the general contract of
-	 * of {@link Object#toString}, this method returns null if the stringer
+	 * {@link Object#toString}, this method returns null if the stringer contains no data.
-	 * contains no data.
 	 * @return the encoded JSON string.
 	 */
 	@Override
 	public String toString() {
 		return this.out.length() == 0 ? null : this.out.toString();
 	}
+
 }

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSONTokener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,13 +16,13 @@
 
 package org.springframework.boot.configurationprocessor.json;
 
-// Note: this class was written without inspecting the non-free org.json source code.
+// Note: this class was written without inspecting the non-free org.json sourcecode.
 
 /**
- * Parses a JSON (<a href="http://www.ietf.org/rfc/rfc4627.txt">RFC 4627</a>)
+ * Parses a JSON (<a href="http://www.ietf.org/rfc/rfc4627.txt">RFC 4627</a>) encoded
- * encoded string into the corresponding object. Most clients of
+ * string into the corresponding object. Most clients of this class will use only need the
- * this class will use only need the {@link #JSONTokener(String) constructor}
+ * {@link #JSONTokener(String) constructor} and {@link #nextValue} method. Example usage:
- * and {@link #nextValue} method. Example usage: <pre>
+ * <pre>
  * String json = "{"
  *         + "  \"query\": \"Pizza\", "
  *         + "  \"locations\": [ 94043, 90210 ] "
@@ -31,49 +31,48 @@ package org.springframework.boot.configurationprocessor.json;
  * JSONObject object = (JSONObject) new JSONTokener(json).nextValue();
  * String query = object.getString("query");
  * JSONArray locations = object.getJSONArray("locations");</pre>
- *
+ * <p>
- * <p>For best interoperability and performance use JSON that complies with
+ * For best interoperability and performance use JSON that complies with RFC 4627, such as
- * RFC 4627, such as that generated by {@link JSONStringer}. For legacy reasons
+ * that generated by {@link JSONStringer}. For legacy reasons this parser is lenient, so a
- * this parser is lenient, so a successful parse does not indicate that the
+ * successful parse does not indicate that the input string was valid JSON. All of the
- * input string was valid JSON. All of the following syntax errors will be
+ * following syntax errors will be ignored:
- * ignored:
  * <ul>
- *   <li>End of line comments starting with {@code //} or {@code #} and ending
+ * <li>End of line comments starting with {@code //} or {@code #} and ending with a
- *       with a newline character.
+ * newline character.
- *   <li>C-style comments starting with {@code /*} and ending with
+ * <li>C-style comments starting with {@code /*} and ending with {@code *}{@code /}. Such
- *       {@code *}{@code /}. Such comments may not be nested.
+ * comments may not be nested.
- *   <li>Strings that are unquoted or {@code 'single quoted'}.
+ * <li>Strings that are unquoted or {@code 'single quoted'}.
- *   <li>Hexadecimal integers prefixed with {@code 0x} or {@code 0X}.
+ * <li>Hexadecimal integers prefixed with {@code 0x} or {@code 0X}.
- *   <li>Octal integers prefixed with {@code 0}.
+ * <li>Octal integers prefixed with {@code 0}.
- *   <li>Array elements separated by {@code ;}.
+ * <li>Array elements separated by {@code ;}.
- *   <li>Unnecessary array separators. These are interpreted as if null was the
+ * <li>Unnecessary array separators. These are interpreted as if null was the omitted
- *       omitted value.
+ * value.
- *   <li>Key-value pairs separated by {@code =} or {@code =>}.
+ * <li>Key-value pairs separated by {@code =} or {@code =>}.
- *   <li>Key-value pairs separated by {@code ;}.
+ * <li>Key-value pairs separated by {@code ;}.
  * </ul>
- *
+ * <p>
- * <p>Each tokener may be used to parse a single JSON string. Instances of this
+ * Each tokener may be used to parse a single JSON string. Instances of this class are not
- * class are not thread safe. Although this class is nonfinal, it was not
+ * thread safe. Although this class is nonfinal, it was not designed for inheritance and
- * designed for inheritance and should not be subclassed. In particular,
+ * should not be subclassed. In particular, self-use by overrideable methods is not
- * self-use by overrideable methods is not specified. See <i>Effective Java</i>
+ * specified. See <i>Effective Java</i> Item 17,
- * Item 17, "Design and Document or inheritance or else prohibit it" for further
+ * "Design and Document or inheritance or else prohibit it" for further information.
- * information.
  */
 public class JSONTokener {
 
-	/** The input JSON. */
+	/**
+	 * The input JSON.
+	 */
 	private final String in;
 
 	/**
-	 * The index of the next character to be returned by {@link #next}. When
+	 * The index of the next character to be returned by {@link #next}. When the input is
-	 * the input is exhausted, this equals the input's length.
+	 * exhausted, this equals the input's length.
 	 */
 	private int pos;
 
 	/**
-	 * @param in JSON encoded string. Null is not permitted and will yield a
+	 * @param in JSON encoded string. Null is not permitted and will yield a tokener that
-	 *     tokener that throws {@code NullPointerExceptions} when methods are
+	 * throws {@code NullPointerExceptions} when methods are called.
-	 *     called.
 	 */
 	public JSONTokener(String in) {
 		// consume an optional byte order mark (BOM) if it exists
@@ -85,30 +84,29 @@ public class JSONTokener {
 
 	/**
 	 * Returns the next value from the input.
-	 *
+	 * @return a {@link JSONObject}, {@link JSONArray}, String, Boolean, Integer, Long,
-	 * @return a {@link JSONObject}, {@link JSONArray}, String, Boolean,
+	 * Double or {@link JSONObject#NULL}.
-	 *     Integer, Long, Double or {@link JSONObject#NULL}.
 	 * @throws JSONException if the input is malformed.
 	 */
 	public Object nextValue() throws JSONException {
 		int c = nextCleanInternal();
 		switch (c) {
-			case -1:
+		case -1:
-				throw syntaxError("End of input");
+			throw syntaxError("End of input");
 
-			case '{':
+		case '{':
-				return readObject();
+			return readObject();
 
-			case '[':
+		case '[':
-				return readArray();
+			return readArray();
 
-			case '\'':
+		case '\'':
-			case '"':
+		case '"':
-				return nextString((char) c);
+			return nextString((char) c);
 
-			default:
+		default:
-				this.pos--;
+			this.pos--;
-				return readLiteral();
+			return readLiteral();
 		}
 	}
 
@@ -116,50 +114,50 @@ public class JSONTokener {
 		while (this.pos < this.in.length()) {
 			int c = this.in.charAt(this.pos++);
 			switch (c) {
-				case '\t':
+			case '\t':
-				case ' ':
+			case ' ':
-				case '\n':
+			case '\n':
-				case '\r':
+			case '\r':
-					continue;
+				continue;
 
-				case '/':
+			case '/':
-					if (this.pos == this.in.length()) {
+				if (this.pos == this.in.length()) {
-						return c;
+					return c;
-					}
+				}
 
-					char peek = this.in.charAt(this.pos);
+				char peek = this.in.charAt(this.pos);
-					switch (peek) {
+				switch (peek) {
-						case '*':
+				case '*':
-							// skip a /* c-style comment */
+					// skip a /* c-style comment */
-							this.pos++;
+					this.pos++;
-							int commentEnd = this.in.indexOf("*/", this.pos);
+					int commentEnd = this.in.indexOf("*/", this.pos);
-							if (commentEnd == -1) {
+					if (commentEnd == -1) {
-								throw syntaxError("Unterminated comment");
+						throw syntaxError("Unterminated comment");
-							}
-							this.pos = commentEnd + 2;
-							continue;
-
-						case '/':
-							// skip a // end-of-line comment
-							this.pos++;
-							skipToEndOfLine();
-							continue;
-
-						default:
-							return c;
 					}
+					this.pos = commentEnd + 2;
+					continue;
 
-				case '#':
+				case '/':
-					/*
+					// skip a // end-of-line comment
-					 * Skip a # hash end-of-line comment. The JSON RFC doesn't
+					this.pos++;
-					 * specify this behavior, but it's required to parse
-					 * existing documents. See http://b/2571423.
-					 */
 					skipToEndOfLine();
 					continue;
 
 				default:
 					return c;
+				}
+
+			case '#':
+				/*
+				 * Skip a # hash end-of-line comment. The JSON RFC doesn't specify this
+				 * behavior, but it's required to parse existing documents. See
+				 * http://b/2571423.
+				 */
+				skipToEndOfLine();
+				continue;
+
+			default:
+				return c;
 			}
 		}
 
@@ -167,9 +165,8 @@ public class JSONTokener {
 	}
 
 	/**
-	 * Advances the position until after the next newline character. If the line
+	 * Advances the position until after the next newline character. If the line is
-	 * is terminated by "\r\n", the '\n' must be consumed as whitespace by the
+	 * terminated by "\r\n", the '\n' must be consumed as whitespace by the caller.
-	 * caller.
 	 */
 	private void skipToEndOfLine() {
 		for (; this.pos < this.in.length(); this.pos++) {
@@ -182,22 +179,20 @@ public class JSONTokener {
 	}
 
 	/**
-	 * Returns the string up to but not including {@code quote}, unescaping any
+	 * Returns the string up to but not including {@code quote}, unescaping any character
-	 * character escape sequences encountered along the way. The opening quote
+	 * escape sequences encountered along the way. The opening quote should have already
-	 * should have already been read. This consumes the closing quote, but does
+	 * been read. This consumes the closing quote, but does not include it in the returned
-	 * not include it in the returned string.
+	 * string.
-	 *
 	 * @param quote either ' or ".
 	 * @return the string up to but not including {@code quote}
-	 * @throws NumberFormatException if any unicode escape sequences are
+	 * @throws NumberFormatException if any unicode escape sequences are malformed.
-	 *     malformed.
 	 * @throws JSONException if processing of json failed
 	 */
 	public String nextString(char quote) throws JSONException {
 		/*
-		 * For strings that are free of escape sequences, we can just extract
+		 * For strings that are free of escape sequences, we can just extract the result
-		 * the result as a substring of the input. But if we encounter an escape
+		 * as a substring of the input. But if we encounter an escape sequence, we need to
-		 * sequence, we need to use a StringBuilder to compose the result.
+		 * use a StringBuilder to compose the result.
 		 */
 		StringBuilder builder = null;
 
@@ -234,54 +229,50 @@ public class JSONTokener {
 	}
 
 	/**
-	 * Unescapes the character identified by the character or characters that
+	 * Unescapes the character identified by the character or characters that immediately
-	 * immediately follow a backslash. The backslash '\' should have already
+	 * follow a backslash. The backslash '\' should have already been read. This supports
-	 * been read. This supports both unicode escapes "u000A" and two-character
+	 * both unicode escapes "u000A" and two-character escapes "\n".
-	 * escapes "\n".
-	 *
 	 * @return the unescaped char
-	 * @throws NumberFormatException if any unicode escape sequences are
+	 * @throws NumberFormatException if any unicode escape sequences are malformed.
-	 *     malformed.
 	 * @throws JSONException if processing of json failed
 	 */
 	private char readEscapeCharacter() throws JSONException {
 		char escaped = this.in.charAt(this.pos++);
 		switch (escaped) {
-			case 'u':
+		case 'u':
-				if (this.pos + 4 > this.in.length()) {
+			if (this.pos + 4 > this.in.length()) {
-					throw syntaxError("Unterminated escape sequence");
+				throw syntaxError("Unterminated escape sequence");
-				}
+			}
-				String hex = this.in.substring(this.pos, this.pos + 4);
+			String hex = this.in.substring(this.pos, this.pos + 4);
-				this.pos += 4;
+			this.pos += 4;
-				return (char) Integer.parseInt(hex, 16);
+			return (char) Integer.parseInt(hex, 16);
 
-			case 't':
+		case 't':
-				return '\t';
+			return '\t';
 
-			case 'b':
+		case 'b':
-				return '\b';
+			return '\b';
 
-			case 'n':
+		case 'n':
-				return '\n';
+			return '\n';
 
-			case 'r':
+		case 'r':
-				return '\r';
+			return '\r';
 
-			case 'f':
+		case 'f':
-				return '\f';
+			return '\f';
 
-			case '\'':
+		case '\'':
-			case '"':
+		case '"':
-			case '\\':
+		case '\\':
-			default:
+		default:
-				return escaped;
+			return escaped;
 		}
 	}
 
 	/**
-	 * Reads a null, boolean, numeric or unquoted string literal value. Numeric
+	 * Reads a null, boolean, numeric or unquoted string literal value. Numeric values
-	 * values will be returned as an Integer, Long, or Double, in that order of
+	 * will be returned as an Integer, Long, or Double, in that order of preference.
-	 * preference.
 	 * @return a literal value
 	 * @throws JSONException if processing of json failed
 	 */
@@ -324,9 +315,9 @@ public class JSONTokener {
 			}
 			catch (NumberFormatException e) {
 				/*
-				 * This only happens for integral numbers greater than
+				 * This only happens for integral numbers greater than Long.MAX_VALUE,
-				 * Long.MAX_VALUE, numbers in exponential form (5e-10) and
+				 * numbers in exponential form (5e-10) and unquoted strings. Fall through
-				 * unquoted strings. Fall through to try floating point.
+				 * to try floating point.
 				 */
 			}
 		}
@@ -343,10 +334,10 @@ public class JSONTokener {
 	}
 
 	/**
-	 * Returns the string up to but not including any of the given characters or
+	 * Returns the string up to but not including any of the given characters or a newline
-	 * a newline character. This does not consume the excluded character.
+	 * character. This does not consume the excluded character.
-	 * @return the string up to but not including any of the given characters or
+	 * @return the string up to but not including any of the given characters or a newline
-	 * a newline character
+	 * character
 	 */
 	private String nextToInternal(String excluded) {
 		int start = this.pos;
@@ -360,8 +351,8 @@ public class JSONTokener {
 	}
 
 	/**
-	 * Reads a sequence of key/value pairs and the trailing closing brace '}' of
+	 * Reads a sequence of key/value pairs and the trailing closing brace '}' of an
-	 * an object. The opening brace '{' should have already been read.
+	 * object. The opening brace '{' should have already been read.
 	 * @return an object
 	 * @throws JSONException if processing of json failed
 	 */
@@ -390,9 +381,9 @@ public class JSONTokener {
 			}
 
 			/*
-			 * Expect the name/value separator to be either a colon ':', an
+			 * Expect the name/value separator to be either a colon ':', an equals sign
-			 * equals sign '=', or an arrow "=>". The last two are bogus but we
+			 * '=', or an arrow "=>". The last two are bogus but we include them because
-			 * include them because that's what the original implementation did.
+			 * that's what the original implementation did.
 			 */
 			int separator = nextCleanInternal();
 			if (separator != ':' && separator != '=') {
@@ -405,22 +396,21 @@ public class JSONTokener {
 			result.put((String) name, nextValue());
 
 			switch (nextCleanInternal()) {
-				case '}':
+			case '}':
-					return result;
+				return result;
-				case ';':
+			case ';':
-				case ',':
+			case ',':
-					continue;
+				continue;
-				default:
+			default:
-					throw syntaxError("Unterminated object");
+				throw syntaxError("Unterminated object");
 			}
 		}
 	}
 
 	/**
-	 * Reads a sequence of values and the trailing closing brace ']' of an
+	 * Reads a sequence of values and the trailing closing brace ']' of an array. The
-	 * array. The opening brace '[' should have already been read. Note that
+	 * opening brace '[' should have already been read. Note that "[]" yields an empty
-	 * "[]" yields an empty array, but "[,]" returns a two-element array
+	 * array, but "[,]" returns a two-element array equivalent to "[null,null]".
-	 * equivalent to "[null,null]".
 	 * @return an array
 	 * @throws JSONException if processing of json failed
 	 */
@@ -432,41 +422,41 @@ public class JSONTokener {
 
 		while (true) {
 			switch (nextCleanInternal()) {
-				case -1:
+			case -1:
-					throw syntaxError("Unterminated array");
+				throw syntaxError("Unterminated array");
-				case ']':
+			case ']':
-					if (hasTrailingSeparator) {
+				if (hasTrailingSeparator) {
-						result.put(null);
-					}
-					return result;
-				case ',':
-				case ';':
-					/* A separator without a value first means "null". */
 					result.put(null);
-					hasTrailingSeparator = true;
+				}
-					continue;
+				return result;
-				default:
+			case ',':
-					this.pos--;
+			case ';':
+				/* A separator without a value first means "null". */
+				result.put(null);
+				hasTrailingSeparator = true;
+				continue;
+			default:
+				this.pos--;
 			}
 
 			result.put(nextValue());
 
 			switch (nextCleanInternal()) {
-				case ']':
+			case ']':
-					return result;
+				return result;
-				case ',':
+			case ',':
-				case ';':
+			case ';':
-					hasTrailingSeparator = true;
+				hasTrailingSeparator = true;
-					continue;
+				continue;
-				default:
+			default:
-					throw syntaxError("Unterminated array");
+				throw syntaxError("Unterminated array");
 			}
 		}
 	}
 
 	/**
-	 * Returns an exception containing the given message plus the current
+	 * Returns an exception containing the given message plus the current position and the
-	 * position and the entire input string.
+	 * entire input string.
 	 * @param message the message
 	 * @return an exception
 	 */
@@ -487,9 +477,9 @@ public class JSONTokener {
 	/*
 	 * Legacy APIs.
 	 *
-	 * None of the methods below are on the critical path of parsing JSON
+	 * None of the methods below are on the critical path of parsing JSON documents. They
-	 * documents. They exist only because they were exposed by the original
+	 * exist only because they were exposed by the original implementation and may be used
-	 * implementation and may be used by some clients.
+	 * by some clients.
 	 */
 
 	public boolean more() {
@@ -569,4 +559,5 @@ public class JSONTokener {
 			return -1;
 		}
 	}
+
 }