org.johnstonshome.maven.pkgdep.goal.ExportGoal.java Source code

Introduction

Here is the source code for org.johnstonshome.maven.pkgdep.goal.ExportGoal.java

Source

/*
 * Licensed Materials - Property of Simon Johnston (simon@johnstonshome.org)
 * (c) Copyright Simon Johnston 2009-2010. All rights reserved.
 *
 * For full license details, see the file LICENSE inncluded in the
 * distribution of this code.
 *
 */
package org.johnstonshome.maven.pkgdep.goal;

import java.io.File;
import java.io.FilenameFilter;
import java.util.LinkedList;
import java.util.List;

import org.apache.maven.model.Resource;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.johnstonshome.maven.pkgdep.model.Artifact;
import org.johnstonshome.maven.pkgdep.model.Package;
import org.johnstonshome.maven.pkgdep.model.Repository;
import org.johnstonshome.maven.pkgdep.model.VersionNumber;
import org.johnstonshome.maven.pkgdep.parse.ImportExportParser;

/**
 * This goal scans certain known locations for exported packages from this
 * project.
 * 
 * @phase initialize
 * @goal export
 * 
 * @author simonjo (simon@johnstonshome.org)
 * 
 */
public class ExportGoal extends AbstractMojo {

    private static final String MANIFEST_FILE = "MANIFEST.MF"; //$NON-NLS-1$

    /**
     * {@inheritDoc}
     */
    public void execute() throws MojoExecutionException {

        /*
         * The list of all discovered packages.
         */
        final List<Package> packages = new LinkedList<Package>();

        /*
         * Copy of the Maven local POM
         */
        final MavenProject project = (MavenProject) this.getPluginContext().get("project");

        /*
         * The default target for any discovered package.
         */
        final Artifact thisBundle = new Artifact(project.getGroupId(), project.getArtifactId(),
                new VersionNumber(project.getVersion()));

        /*
         * The parser for Export-Package decalarations.
         */
        final ImportExportParser parser = new ImportExportParser();

        /*
         * Find any static MANIFEST.MF file(s)
         */
        getLog().info(String.format("Processing %s files...", MANIFEST_FILE));
        if (project.getBuild().getResources() != null) {
            for (final Object resource : project.getBuild().getResources()) {
                final File resourceDir = new File(((Resource) resource).getDirectory());
                final File[] manifests = resourceDir.listFiles(new FilenameFilter() {
                    public boolean accept(final File dir, final String name) {
                        return name.equals(MANIFEST_FILE);
                    }
                });
                for (final File manifest : manifests) {
                    getLog().info(manifest.getPath());
                    packages.addAll(parser.parseManifestExports(manifest, project.getBuild().getSourceDirectory(),
                            thisBundle));
                }
            }
        }

        /*
         * Look for the felix bundle plugin
         */
        getLog().info(String.format("Processing %s content...", ImportExportParser.PLUGIN_ARTIFACT));
        packages.addAll(parser.parsePomExports(project, thisBundle));

        final Repository repository = new Repository();

        for (final Package found : packages) {
            getLog().info(found.getName() + ":" + found.getVersions());
            final Package local = repository.readPackage(found.getName());
            if (local != null) {
                local.merge(found);
                repository.writePackage(local);
            } else {
                repository.writePackage(found);
            }
        }
    }

}