TargetPlatformZipFinder.java

/*******************************************************************************
 * Copyright (c) 2006-2015
 * Software Technology Group, Dresden University of Technology
 * DevBoost GmbH, Dresden, Amtsgericht Dresden, HRB 34001
 * 
 * All rights reserved. This program and the accompanying materials
 * are 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
 * 
 * Contributors:
 *   Software Technology Group - TU Dresden, Germany;
 *   DevBoost GmbH - Dresden, Germany
 *      - initial API and implementation
 ******************************************************************************/
package de.devboost.buildboost.discovery;

import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.Collection;

import de.devboost.buildboost.BuildException;
import de.devboost.buildboost.artifacts.TargetPlatformZip;
import de.devboost.buildboost.model.BuildEventType;
import de.devboost.buildboost.model.IArtifact;
import de.devboost.buildboost.model.IBuildContext;
import de.devboost.buildboost.model.IBuildListener;
import de.devboost.buildboost.util.ArtifactUtil;
import de.devboost.buildboost.util.EclipsePluginHelper;

/**
 * The {@link TargetPlatformZipFinder} can be used to discover ZIP and TAR/GZ files which contain Eclipse plug-ins or
 * features.
 */
public class TargetPlatformZipFinder extends AbstractFileFinder<TargetPlatformZip> {

	public TargetPlatformZipFinder(File directory) {
		super(directory);
	}

	public Collection<IArtifact> discoverArtifacts(IBuildContext context) throws BuildException {

		IBuildListener buildListener = context.getBuildListener();

		Collection<TargetPlatformZip> zipFiles = new ArrayList<TargetPlatformZip>();
		traverse(context, zipFiles);
		for (TargetPlatformZip targetPlatformZip : zipFiles) {
			buildListener.handleBuildEvent(BuildEventType.INFO,
					"Found target platform zip: " + targetPlatformZip.getIdentifier());
		}
		return new ArtifactUtil().getSetOfArtifacts(zipFiles);
	}

	@Override
	protected void traverse(IBuildContext context, File directory, Collection<TargetPlatformZip> artifacts)
			throws BuildException {

		// ignore projects and things inside projects
		boolean isProject = EclipsePluginHelper.INSTANCE.isProject(directory);
		if (isProject) {
			return;
		}
		super.traverse(context, directory, artifacts);
	}

	protected TargetPlatformZip createArtifactFromFile(File file) {
		return new TargetPlatformZip(file);
	}

	protected FileFilter getFileFilter() {
		return new FileFilter() {

			public boolean accept(File file) {
				String name = file.getName();
				boolean isArchive = name.endsWith(".zip") || name.endsWith(".tar.gz");
				return file.isFile() && isArchive;
			}
		};
	}
}