Andy Wilkinson
2 years ago
commit
0980362a88
@ -0,0 +1,166 @@
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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.Collection;
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import java.util.Collections;
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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.GradleException;
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import org.gradle.api.file.FileTree;
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import org.gradle.api.file.RegularFileProperty;
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import org.gradle.api.tasks.InputFiles;
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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 additional Spring configuration metadata files.
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*
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* @author Andy Wilkinson
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*/
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public class CheckAdditionalSpringConfigurationMetadata extends SourceTask {
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private final RegularFileProperty reportLocation;
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public CheckAdditionalSpringConfigurationMetadata() {
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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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@Override
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@InputFiles
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@PathSensitive(PathSensitivity.RELATIVE)
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public FileTree getSource() {
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return super.getSource();
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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 additional 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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Report report = new Report();
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for (File file : getSource().getFiles()) {
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Analysis analysis = report.analysis(getProject().getProjectDir().toPath().relativize(file.toPath()));
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Map<String, Object> json = objectMapper.readValue(file, Map.class);
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check("groups", json, analysis);
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check("properties", json, analysis);
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check("hints", json, analysis);
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}
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return report;
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}
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@SuppressWarnings("unchecked")
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private void check(String key, Map<String, Object> json, Analysis analysis) {
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List<Map<String, Object>> groups = (List<Map<String, Object>>) json.get(key);
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List<String> names = groups.stream().map((group) -> (String) group.get("name")).collect(Collectors.toList());
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List<String> sortedNames = sortedCopy(names);
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for (int i = 0; i < names.size(); i++) {
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String actual = names.get(i);
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String expected = sortedNames.get(i);
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if (!actual.equals(expected)) {
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analysis.problems.add("Wrong order at $." + key + "[" + i + "].name - expected '" + expected
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+ "' but found '" + actual + "'");
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}
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}
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}
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private List<String> sortedCopy(Collection<String> original) {
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List<String> copy = new ArrayList<>(original);
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Collections.sort(copy);
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return copy;
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}
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private static final class Report implements Iterable<String> {
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private final List<Analysis> analyses = new ArrayList<>();
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private Analysis analysis(Path path) {
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Analysis analysis = new Analysis(path);
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this.analyses.add(analysis);
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return analysis;
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}
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private boolean hasProblems() {
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for (Analysis analysis : this.analyses) {
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if (!analysis.problems.isEmpty()) {
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return true;
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}
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}
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return false;
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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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for (Analysis analysis : this.analyses) {
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lines.add(analysis.source.toString());
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lines.add("");
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if (analysis.problems.isEmpty()) {
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lines.add("No problems found.");
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}
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else {
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lines.addAll(analysis.problems);
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}
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lines.add("");
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}
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return lines.iterator();
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}
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}
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private static final class Analysis {
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private final List<String> problems = new ArrayList<>();
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private final Path source;
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private Analysis(Path source) {
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this.source = source;
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}
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}
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}
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