MavenConfigureSignArtifacts.java

/*
 * Jabox Open Source Version
 * Copyright (C) 2009-2010 Dimitris Kapanidis                                                                                                                          
 * 
 * This file is part of Jabox
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package org.jabox.application;

import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

import org.apache.maven.model.Activation;
import org.apache.maven.model.ActivationProperty;
import org.apache.maven.model.BuildBase;
import org.apache.maven.model.Model;
import org.apache.maven.model.Plugin;
import org.apache.maven.model.PluginExecution;
import org.apache.maven.model.Profile;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import org.jabox.model.Project;

/**
 * Helper class that injects the signing process for the attached artifacts.
 */
public class MavenConfigureSignArtifacts {

    public MavenConfigureSignArtifacts() {
    }

    /**
     * @param pomFile
     * @param project
     * @throws IOException
     * @throws XmlPullParserException
     */
    public static void injectSignArtifact(final File pomFile,
            Project project) throws IOException, XmlPullParserException {
        FileReader fileReader = new FileReader(pomFile);
        Model model = new MavenXpp3Reader().read(fileReader);

        if (project.isSignArtifactReleases()) {
            model.addProfile(createReleaseSignArtifactsProfile());
        }

        FileWriter fileWriter = new FileWriter(pomFile);
        new MavenXpp3Writer().write(fileWriter, model);
    }

    private static Profile createReleaseSignArtifactsProfile() {
        Profile profile = new Profile();
        profile.setId("release-sign-artifacts");
        profile.setActivation(createActivation());
        profile.setBuild(createBaseBuild());
        return profile;
    }

    private static Activation createActivation() {
        Activation activation = new Activation();
        activation.setProperty(createActivationProperty());
        return activation;
    }

    private static ActivationProperty createActivationProperty() {
        ActivationProperty property = new ActivationProperty();
        property.setName("performRelease");
        property.setValue("true");
        return property;
    }

    private static BuildBase createBaseBuild() {
        BuildBase buildBase = new BuildBase();
        buildBase.addPlugin(createPlugin());
        return buildBase;
    }

    private static Plugin createPlugin() {
        Plugin plugin = new Plugin();
        plugin.setGroupId("org.apache.maven.plugins");
        plugin.setArtifactId("maven-gpg-plugin");
        plugin.setVersion("1.0");
        plugin.addExecution(createPluginExecution());
        return plugin;
    }

    private static PluginExecution createPluginExecution() {
        PluginExecution pluginExecution = new PluginExecution();
        pluginExecution.setId("sign-artifacts");
        pluginExecution.setPhase("verify");
        pluginExecution.addGoal("sign");
        return pluginExecution;
    }
}