| /* |
| * Copyright (c) 2007, 2009-2012 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.internal.util.om; |
| |
| import org.eclipse.net4j.internal.util.bundle.AbstractBundle; |
| import org.eclipse.net4j.internal.util.bundle.AbstractPlatform; |
| import org.eclipse.net4j.util.WrappedException; |
| import org.eclipse.net4j.util.collection.AbstractIterator; |
| |
| import org.eclipse.core.runtime.FileLocator; |
| import org.eclipse.core.runtime.Platform; |
| |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.Queue; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class OSGiBundle extends AbstractBundle |
| { |
| public OSGiBundle(AbstractPlatform platform, String bundleID, Class<?> accessor) |
| { |
| super(platform, bundleID, accessor); |
| } |
| |
| @Override |
| public BundleContext getBundleContext() |
| { |
| return (BundleContext)super.getBundleContext(); |
| } |
| |
| public URL getBaseURL() |
| { |
| try |
| { |
| URL entry = getBundleContext().getBundle().getEntry("/"); //$NON-NLS-1$ |
| URL baseURL = FileLocator.resolve(entry); |
| String str = baseURL.toExternalForm(); |
| if (str.endsWith("/./")) //$NON-NLS-1$ |
| { |
| baseURL = new URL(str.substring(0, str.length() - 2)); |
| } |
| |
| return baseURL; |
| } |
| catch (IOException ex) |
| { |
| throw WrappedException.wrap(ex); |
| } |
| } |
| |
| public Iterator<Class<?>> getClasses() |
| { |
| final Queue<String> folders = new LinkedList<String>(); |
| folders.offer("/"); |
| |
| return new AbstractIterator<Class<?>>() |
| { |
| private Enumeration<String> entryPaths; |
| |
| @Override |
| protected Object computeNextElement() |
| { |
| for (;;) |
| { |
| while (entryPaths != null && entryPaths.hasMoreElements()) |
| { |
| String entryPath = entryPaths.nextElement(); |
| if (entryPath.endsWith("/")) |
| { |
| folders.offer(entryPath); |
| } |
| else |
| { |
| Class<?> c = getClassFromBundle(entryPath); |
| if (c != null) |
| { |
| return c; |
| } |
| } |
| } |
| |
| String folder = folders.poll(); |
| if (folder == null) |
| { |
| return END_OF_DATA; |
| } |
| |
| Bundle bundle = getBundleContext().getBundle(); |
| entryPaths = bundle.getEntryPaths(folder); |
| } |
| } |
| }; |
| } |
| |
| public String getStateLocation() |
| { |
| Bundle bundle = getBundleContext().getBundle(); |
| return Platform.getStateLocation(bundle).toString(); |
| } |
| } |