spring JavaCompilerPluginConfiguration 源码

  • 2022-08-12
  • 浏览 (330)

springboot JavaCompilerPluginConfiguration 代码

文件路径:/spring-boot-project/spring-boot-tools/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/JavaCompilerPluginConfiguration.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.util.Arrays;

import org.apache.maven.model.Plugin;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.xml.Xpp3Dom;

/**
 * Provides access to the Maven Java Compiler plugin configuration.
 *
 * @author Scott Frederick
 */
class JavaCompilerPluginConfiguration {

	private final MavenProject project;

	JavaCompilerPluginConfiguration(MavenProject project) {
		this.project = project;
	}

	String getSourceMajorVersion() {
		String version = getConfigurationValue("source");

		if (version == null) {
			version = getPropertyValue("maven.compiler.source");
		}

		return majorVersionFor(version);
	}

	String getTargetMajorVersion() {
		String version = getConfigurationValue("target");

		if (version == null) {
			version = getPropertyValue("maven.compiler.target");
		}

		return majorVersionFor(version);
	}

	private String getConfigurationValue(String propertyName) {
		Plugin plugin = this.project.getPlugin("org.apache.maven.plugins:maven-compiler-plugin");
		if (plugin != null) {
			Object pluginConfiguration = plugin.getConfiguration();
			if (pluginConfiguration instanceof Xpp3Dom dom) {
				return getNodeValue(dom, propertyName);
			}
		}
		return null;
	}

	private String getPropertyValue(String propertyName) {
		if (this.project.getProperties().containsKey(propertyName)) {
			return this.project.getProperties().get(propertyName).toString();
		}
		return null;
	}

	private String getNodeValue(Xpp3Dom dom, String... childNames) {
		Xpp3Dom childNode = dom.getChild(childNames[0]);

		if (childNode == null) {
			return null;
		}

		if (childNames.length > 1) {
			return getNodeValue(childNode, Arrays.copyOfRange(childNames, 1, childNames.length));
		}

		return childNode.getValue();
	}

	private String majorVersionFor(String version) {
		if (version != null && version.startsWith("1.")) {
			return version.substring("1.".length());
		}
		return version;
	}

}

相关信息

spring 源码目录

相关文章

spring AbstractDependencyFilterMojo 源码

spring AbstractPackagerMojo 源码

spring AbstractRunMojo 源码

spring AotGenerateMojo 源码

spring ArtifactsLibraries 源码

spring BuildImageMojo 源码

spring BuildInfoMojo 源码

spring CacheInfo 源码

spring CommandLineBuilder 源码

spring CustomLayersProvider 源码

0  赞