spring MavenBuild 源码

springboot MavenBuild 代码

文件路径：/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/intTest/java/org/springframework/boot/maven/MavenBuild.java

/*
 * Copyright 2012-2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.boot.maven;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.StandardCopyOption;
import java.nio.file.StandardOpenOption;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;

import org.apache.maven.shared.invoker.DefaultInvocationRequest;
import org.apache.maven.shared.invoker.DefaultInvoker;
import org.apache.maven.shared.invoker.InvocationRequest;
import org.apache.maven.shared.invoker.InvocationResult;
import org.apache.maven.shared.invoker.Invoker;
import org.apache.maven.shared.invoker.MavenInvocationException;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.contentOf;

/**
 * Helper class for executing a Maven build.
 *
 * @author Andy Wilkinson
 * @author Scott Frederick
 */
class MavenBuild {

	private final File home;

	private final File temp;

	private final Map<String, String> pomReplacements;

	private final List<String> goals = new ArrayList<>();

	private final Properties properties = new Properties();

	private ProjectCallback preparation;

	private File projectDir;

	MavenBuild(File home) {
		this.home = home;
		this.temp = createTempDirectory();
		this.pomReplacements = getPomReplacements();
	}

	private File createTempDirectory() {
		try {
			return Files.createTempDirectory("maven-build").toFile().getCanonicalFile();
		}
		catch (IOException ex) {
			throw new IllegalStateException(ex);
		}
	}

	private Map<String, String> getPomReplacements() {
		Map<String, String> replacements = new HashMap<>();
		replacements.put("java.version", "1.8");
		replacements.put("project.groupId", "org.springframework.boot");
		replacements.put("project.artifactId", "spring-boot-maven-plugin");
		replacements.putAll(new Versions().asMap());
		return Collections.unmodifiableMap(replacements);
	}

	MavenBuild project(String project) {
		this.projectDir = new File("src/intTest/projects/" + project);
		return this;
	}

	MavenBuild goals(String... goals) {
		this.goals.addAll(Arrays.asList(goals));
		return this;
	}

	MavenBuild systemProperty(String name, String value) {
		this.properties.setProperty(name, value);
		return this;
	}

	MavenBuild prepare(ProjectCallback callback) {
		this.preparation = callback;
		return this;
	}

	void execute(ProjectCallback callback) {
		execute(callback, 0);
	}

	void executeAndFail(ProjectCallback callback) {
		execute(callback, 1);
	}

	private void execute(ProjectCallback callback, int expectedExitCode) {
		Invoker invoker = new DefaultInvoker();
		invoker.setMavenHome(this.home);
		InvocationRequest request = new DefaultInvocationRequest();
		try {
			Path destination = this.temp.toPath();
			Path source = this.projectDir.toPath();
			Files.walkFileTree(source, new SimpleFileVisitor<Path>() {

				@Override
				public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
					Files.createDirectories(destination.resolve(source.relativize(dir)));
					return FileVisitResult.CONTINUE;
				}

				@Override
				public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
					if (file.toFile().getName().equals("pom.xml")) {
						String pomXml = Files.readString(file);
						for (Entry<String, String> replacement : MavenBuild.this.pomReplacements.entrySet()) {
							pomXml = pomXml.replace("@" + replacement.getKey() + "@", replacement.getValue());
						}
						Files.writeString(destination.resolve(source.relativize(file)), pomXml,
								StandardOpenOption.CREATE_NEW);
					}
					else {
						Files.copy(file, destination.resolve(source.relativize(file)),
								StandardCopyOption.REPLACE_EXISTING);
					}
					return FileVisitResult.CONTINUE;
				}

			});
			String settingsXml = Files.readString(Paths.get("src", "intTest", "projects", "settings.xml"))
					.replace("@localCentralUrl@",
							new File("build/int-test-maven-repository").toURI().toURL().toString())
					.replace("@localRepositoryPath@", new File("build/local-maven-repository").getAbsolutePath());
			Files.writeString(destination.resolve("settings.xml"), settingsXml, StandardOpenOption.CREATE_NEW);
			request.setBaseDirectory(this.temp);
			request.setJavaHome(new File(System.getProperty("java.home")));
			request.setProperties(this.properties);
			request.setGoals(this.goals.isEmpty() ? Collections.singletonList("package") : this.goals);
			request.setUserSettingsFile(new File(this.temp, "settings.xml"));
			request.setUpdateSnapshots(true);
			request.setBatchMode(true);
			// request.setMavenOpts("-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=8000");
			File target = new File(this.temp, "target");
			target.mkdirs();
			if (this.preparation != null) {
				this.preparation.doWith(this.temp);
			}
			File buildLogFile = new File(target, "build.log");
			try (PrintWriter buildLog = new PrintWriter(new FileWriter(buildLogFile))) {
				request.setOutputHandler((line) -> {
					buildLog.println(line);
					buildLog.flush();
				});
				try {
					InvocationResult result = invoker.execute(request);
					assertThat(result.getExitCode()).as(contentOf(buildLogFile)).isEqualTo(expectedExitCode);
				}
				catch (MavenInvocationException ex) {
					throw new RuntimeException(ex);
				}
			}
			callback.doWith(this.temp);
		}
		catch (Exception ex) {
			throw new RuntimeException(ex);
		}
	}

	/**
	 * Action to take on a maven project directory.
	 */
	@FunctionalInterface
	public interface ProjectCallback {

		/**
		 * Take the action on the given project.
		 * @param project the project directory
		 * @throws Exception on error
		 */
		void doWith(File project) throws Exception;

	}

}

相关信息

spring 源码目录

相关文章

spring AbstractArchiveIntegrationTests 源码

spring AotGenerateTests 源码

spring BuildImageRegistryIntegrationTests 源码

spring BuildImageTests 源码

spring BuildInfoIntegrationTests 源码

spring EclipseM2eIntegrationTests 源码

spring JarIntegrationTests 源码

spring MavenBuildExtension 源码

spring RunIntegrationTests 源码

spring StartStopIntegrationTests 源码