JavaLibraryDistributionPlugin.java

/*
 * 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.api.plugins;

import org.gradle.api.Incubating;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.distribution.internal.DefaultDistributionContainer;
import org.gradle.api.distribution.plugins.DistributionPlugin;
import org.gradle.api.file.CopySpec;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.tasks.bundling.Jar;

/**
 * A {@link Plugin} which package a Java project as a distribution including the JAR and runtime dependencies.
 */
@Incubating
public class JavaLibraryDistributionPlugin implements Plugin<ProjectInternal> {
    private Project project;

    @Override
    public void apply(final ProjectInternal project) {
        this.project = project;
        project.getPluginManager().apply(JavaPlugin.class);
        project.getPluginManager().apply(DistributionPlugin.class);

        DefaultDistributionContainer defaultDistributionContainer =
            (DefaultDistributionContainer) project.getExtensions().findByName("distributions");
        CopySpec contentSpec = defaultDistributionContainer.getByName(DistributionPlugin.MAIN_DISTRIBUTION_NAME).getContents();
        Jar jar = (Jar) project.getTasks().getByName(JavaPlugin.JAR_TASK_NAME);

        CopySpec childSpec = project.copySpec();
        childSpec.from(jar);
        childSpec.from(project.file("src/dist"));

        CopySpec libSpec = project.copySpec();
        libSpec.into("lib");
        libSpec.from(project.getConfigurations().getByName("runtime"));

        childSpec.with(libSpec);

        contentSpec.with(childSpec);
    }
}