Andy Wilkinson
2 years ago
commit
700460c322
@ -0,0 +1,167 @@
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/*
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* Copyright 2012-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.build.context.properties;
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import java.io.File;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.StandardOpenOption;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import com.fasterxml.jackson.core.JsonParseException;
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import com.fasterxml.jackson.databind.JsonMappingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.gradle.api.DefaultTask;
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import org.gradle.api.GradleException;
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import org.gradle.api.file.RegularFileProperty;
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import org.gradle.api.tasks.Input;
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import org.gradle.api.tasks.InputFile;
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import org.gradle.api.tasks.OutputFile;
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import org.gradle.api.tasks.PathSensitive;
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import org.gradle.api.tasks.PathSensitivity;
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import org.gradle.api.tasks.SourceTask;
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import org.gradle.api.tasks.TaskAction;
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/**
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* {@link SourceTask} that checks {@code spring-configuration-metadata.json} files.
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*
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* @author Andy Wilkinson
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*/
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public class CheckSpringConfigurationMetadata extends DefaultTask {
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private List<String> exclusions = new ArrayList<>();
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private final RegularFileProperty reportLocation;
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private final RegularFileProperty metadataLocation;
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public CheckSpringConfigurationMetadata() {
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this.metadataLocation = getProject().getObjects().fileProperty();
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this.reportLocation = getProject().getObjects().fileProperty();
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}
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@OutputFile
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public RegularFileProperty getReportLocation() {
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return this.reportLocation;
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}
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@InputFile
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@PathSensitive(PathSensitivity.RELATIVE)
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public RegularFileProperty getMetadataLocation() {
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return this.metadataLocation;
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}
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public void setExclusions(List<String> exclusions) {
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this.exclusions = exclusions;
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}
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@Input
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public List<String> getExclusions() {
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return this.exclusions;
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}
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@TaskAction
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void check() throws JsonParseException, IOException {
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Report report = createReport();
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File reportFile = getReportLocation().get().getAsFile();
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Files.write(reportFile.toPath(), report, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
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if (report.hasProblems()) {
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throw new GradleException(
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"Problems found in Spring configuration metadata. See " + reportFile + " for details.");
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}
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}
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@SuppressWarnings("unchecked")
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private Report createReport() throws IOException, JsonParseException, JsonMappingException {
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ObjectMapper objectMapper = new ObjectMapper();
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File file = this.metadataLocation.get().getAsFile();
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Report report = new Report(getProject().getProjectDir().toPath().relativize(file.toPath()));
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Map<String, Object> json = objectMapper.readValue(file, Map.class);
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List<Map<String, Object>> properties = (List<Map<String, Object>>) json.get("properties");
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for (Map<String, Object> property : properties) {
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String name = (String) property.get("name");
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if (!isDeprecated(property) && !isDescribed(property) && !isExcluded(name)) {
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report.propertiesWithNoDescription.add(name);
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}
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}
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return report;
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}
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private boolean isExcluded(String propertyName) {
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for (String exclusion : this.exclusions) {
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if (propertyName.equals(exclusion)) {
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return true;
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}
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if (exclusion.endsWith(".*")) {
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if (propertyName.startsWith(exclusion.substring(0, exclusion.length() - 2))) {
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return true;
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}
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}
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}
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return false;
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}
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@SuppressWarnings("unchecked")
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private boolean isDeprecated(Map<String, Object> property) {
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return (Map<String, Object>) property.get("deprecation") != null;
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}
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private boolean isDescribed(Map<String, Object> property) {
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return property.get("description") != null;
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}
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private static final class Report implements Iterable<String> {
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private final List<String> propertiesWithNoDescription = new ArrayList<>();
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private final Path source;
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private Report(Path source) {
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this.source = source;
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}
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private boolean hasProblems() {
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return !this.propertiesWithNoDescription.isEmpty();
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}
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@Override
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public Iterator<String> iterator() {
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List<String> lines = new ArrayList<>();
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lines.add(this.source.toString());
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lines.add("");
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if (this.propertiesWithNoDescription.isEmpty()) {
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lines.add("No problems found.");
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}
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else {
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lines.add("The following properties have no description:");
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lines.add("");
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lines.addAll(this.propertiesWithNoDescription.stream().map((line) -> "\t" + line)
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.collect(Collectors.toList()));
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}
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lines.add("");
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return lines.iterator();
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}
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}
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}
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