spring ToolchainPlugin 源码
springboot ToolchainPlugin 代码
文件路径：/buildSrc/src/main/java/org/springframework/boot/build/toolchain/ToolchainPlugin.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.build.toolchain;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.plugins.JavaPluginExtension;
import org.gradle.api.tasks.compile.JavaCompile;
import org.gradle.api.tasks.javadoc.Javadoc;
import org.gradle.api.tasks.testing.Test;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JavaToolchainSpec;
/**
* {@link Plugin} for customizing Gradle's toolchain support.
*
* @author Christoph Dreis
*/
public class ToolchainPlugin implements Plugin<Project> {
@Override
public void apply(Project project) {
configureToolchain(project);
}
private void configureToolchain(Project project) {
ToolchainExtension toolchain = project.getExtensions().create("toolchain", ToolchainExtension.class, project);
JavaLanguageVersion toolchainVersion = toolchain.getJavaVersion();
if (toolchainVersion != null) {
project.afterEvaluate((evaluated) -> configure(evaluated, toolchain));
}
}
private void configure(Project project, ToolchainExtension toolchain) {
if (!isJavaVersionSupported(toolchain, toolchain.getJavaVersion())) {
disableToolchainTasks(project);
}
else {
JavaToolchainSpec toolchainSpec = project.getExtensions().getByType(JavaPluginExtension.class)
.getToolchain();
toolchainSpec.getLanguageVersion().set(toolchain.getJavaVersion());
configureTestToolchain(project, toolchain);
}
}
private boolean isJavaVersionSupported(ToolchainExtension toolchain, JavaLanguageVersion toolchainVersion) {
return toolchain.getMaximumCompatibleJavaVersion().map((version) -> version.canCompileOrRun(toolchainVersion))
.getOrElse(true);
}
private void disableToolchainTasks(Project project) {
project.getTasks().withType(JavaCompile.class, (task) -> task.setEnabled(false));
project.getTasks().withType(Javadoc.class, (task) -> task.setEnabled(false));
project.getTasks().withType(Test.class, (task) -> task.setEnabled(false));
}
private void configureTestToolchain(Project project, ToolchainExtension toolchain) {
List<String> jvmArgs = new ArrayList<>();
jvmArgs.addAll(toolchain.getTestJvmArgs().getOrElse(Collections.emptyList()));
project.getTasks().withType(Test.class, (test) -> test.jvmArgs(jvmArgs));
}
}
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- 本文标签： Spring Boot Java Spring
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