/*
* Copyright 2010 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
*
* http://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.gradle.initialization;
import org.gradle.api.internal.ClassPathRegistry;
import org.gradle.internal.classloader.*;
import org.gradle.internal.classpath.ClassPath;
import org.gradle.internal.classpath.DefaultClassPath;
import org.gradle.internal.jvm.Jvm;
import java.io.File;
import java.net.URLClassLoader;
public class DefaultClassLoaderRegistry implements ClassLoaderRegistry, JdkToolsInitializer {
private final ClassLoader apiOnlyClassLoader;
private final ClassLoader apiAndPluginsClassLoader;
private final ClassLoader extensionsClassLoader;
public DefaultClassLoaderRegistry(ClassPathRegistry classPathRegistry, ClassLoaderFactory classLoaderFactory) {
ClassLoader runtimeClassLoader = getClass().getClassLoader();
apiOnlyClassLoader = restrictToGradleApi(classLoaderFactory, runtimeClassLoader);
ClassPath pluginsClassPath = classPathRegistry.getClassPath("GRADLE_EXTENSIONS");
extensionsClassLoader = new MutableURLClassLoader(runtimeClassLoader, pluginsClassPath);
this.apiAndPluginsClassLoader = restrictToGradleApi(classLoaderFactory, extensionsClassLoader);
}
private ClassLoader restrictToGradleApi(ClassLoaderFactory classLoaderFactory, ClassLoader classLoader) {
FilteringClassLoader rootClassLoader = classLoaderFactory.createFilteringClassLoader(classLoader);
rootClassLoader.allowPackage("org.gradle");
rootClassLoader.allowResources("META-INF/gradle-plugins");
rootClassLoader.allowPackage("org.apache.tools.ant");
rootClassLoader.allowPackage("groovy");
rootClassLoader.allowPackage("org.codehaus.groovy");
rootClassLoader.allowPackage("groovyjarjarantlr");
rootClassLoader.allowPackage("org.slf4j");
rootClassLoader.allowPackage("org.apache.commons.logging");
rootClassLoader.allowPackage("org.apache.log4j");
rootClassLoader.allowPackage("javax.inject");
return new CachingClassLoader(rootClassLoader);
}
public void initializeJdkTools() {
// Add in tools.jar to the systemClassloader parent
File toolsJar = Jvm.current().getToolsJar();
if (toolsJar != null) {
final ClassLoader systemClassLoaderParent = ClassLoader.getSystemClassLoader().getParent();
ClasspathUtil.addUrl((URLClassLoader) systemClassLoaderParent, new DefaultClassPath(toolsJar).getAsURLs());
}
}
public ClassLoader getRuntimeClassLoader() {
return getClass().getClassLoader();
}
public ClassLoader getGradleApiClassLoader() {
return apiAndPluginsClassLoader;
}
public ClassLoader getPluginsClassLoader() {
return extensionsClassLoader;
}
public ClassLoader getGradleCoreApiClassLoader() {
return apiOnlyClassLoader;
}
}