| /******************************************************************************* |
| * Copyright (c) 2006 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.update.internal.core; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.jar.JarFile; |
| import java.util.zip.ZipEntry; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.update.core.JarContentReference; |
| import org.eclipse.update.core.model.FeatureModel; |
| import org.xml.sax.SAXException; |
| |
| public class Digest { |
| |
| private URL source; |
| private File localSource; |
| private JarFile digestJar; |
| private InputStream inputStream; |
| |
| |
| public Digest(URL source){ |
| this.source = source; |
| } |
| |
| public FeatureModel[] parseDigest() throws IOException, CoreException, SAXException { |
| DigestContentProvider digestContentProvider = new DigestContentProvider(source); |
| localSource = digestContentProvider.asLocalReference(new JarContentReference( null, source), null).asFile(); |
| digestJar = new JarFile(localSource); |
| |
| ZipEntry digestEntry = digestJar.getEntry("digest.xml"); //$NON-NLS-1$ |
| |
| if (digestEntry != null) { |
| inputStream = digestJar.getInputStream(digestEntry); |
| DigestParser digest = new DigestParser(); |
| digest.init(new LiteFeatureFactory()); |
| return digest.parse(inputStream); |
| } else { |
| throw new CoreException(null); |
| } |
| } |
| |
| } |