org.jboss.tools.tycho.sitegenerator.GenerateDirectoryXmlMojo.java Source code

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Here is the source code for org.jboss.tools.tycho.sitegenerator.GenerateDirectoryXmlMojo.java

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/**
 * Copyright (c) 2014-2015, Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is made available under the terms of the
 * Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributor:
 *     Mickael Istria (Red Hat, Inc.) - initial API and implementation
 ******************************************************************************/
package org.jboss.tools.tycho.sitegenerator;

import java.io.File;

import org.apache.commons.io.FileUtils;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.eclipse.tycho.PackagingType;

@Mojo(defaultPhase = LifecyclePhase.PACKAGE, name = "generate-discovery-site")
public class GenerateDirectoryXmlMojo extends AbstractMojo {

    @Parameter(property = "project", required = true, readonly = true)
    private MavenProject project;

    @Parameter(defaultValue = "${project.build.directory}/discovery-site/")
    private File outputDirectory;

    @Parameter
    private String discoveryFileName;

    public void execute() throws MojoExecutionException, MojoFailureException {
        if (!PackagingType.TYPE_ECLIPSE_REPOSITORY.equals(this.project.getPackaging())) {
            return;
        }
        if (!this.outputDirectory.exists()) {
            this.outputDirectory.mkdirs();
        }
        File repositoryPluginsFolder = new File(project.getBuild().getDirectory(), "repository/plugins");
        File discoveryPluginsFolder = new File(this.outputDirectory, "plugins");
        StringBuilder directoryXml = new StringBuilder();
        directoryXml.append("<?xml version='1.0' encoding='UTF-8'?>\n");
        directoryXml.append("<directory xmlns='http://www.eclipse.org/mylyn/discovery/directory/'>\n");
        for (File plugin : repositoryPluginsFolder.listFiles()) {
            directoryXml.append("  <entry url='plugins/");
            directoryXml.append(plugin.getName());
            directoryXml.append("' permitCategories='true'/>");
            directoryXml.append('\n');
            try {
                FileUtils.copyFileToDirectory(plugin, discoveryPluginsFolder);
            } catch (Exception ex) {
                throw new MojoFailureException(ex.getMessage(), ex);
            }
        }
        directoryXml.append("</directory>");

        if (this.discoveryFileName == null) {
            this.discoveryFileName = this.project.getArtifactId() + ".xml";
        }
        try {
            FileUtils.writeStringToFile(new File(this.outputDirectory, this.discoveryFileName),
                    directoryXml.toString());
        } catch (Exception ex) {
            throw new MojoFailureException(ex.getMessage(), ex);
        }
    }

}