| /******************************************************************************* |
| * Copyright (c) 2004, 2009 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.core.runtime.internal.adaptor; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import org.eclipse.osgi.framework.internal.core.BundleURLConnection; |
| import org.eclipse.osgi.service.urlconversion.URLConverter; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * The service implementation that allows bundleresource or bundleentry |
| * URLs to be converted to native file URLs on the local file system. |
| * |
| * <p>Internal class.</p> |
| */ |
| public class URLConverterImpl implements URLConverter { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osgi.service.urlconversion.URLConverter#toFileURL(java.net.URL) |
| */ |
| public URL toFileURL(URL url) throws IOException { |
| URLConnection connection = url.openConnection(); |
| if (connection instanceof BundleURLConnection) { |
| URL result = ((BundleURLConnection) connection).getFileURL(); |
| /* If we got a connection then we know the resource exists in |
| * the bundle but if connection.getFileURL returned null then there |
| * was a problem extracting the file to disk. See bug 259241. |
| **/ |
| if (result == null) |
| throw new IOException(NLS.bind(EclipseAdaptorMsg.ECLIPSE_PLUGIN_EXTRACTION_PROBLEM, url)); |
| return result; |
| } |
| return url; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osgi.service.urlconversion.URLConverter#resolve(java.net.URL) |
| */ |
| public URL resolve(URL url) throws IOException { |
| URLConnection connection = url.openConnection(); |
| if (connection instanceof BundleURLConnection) |
| return ((BundleURLConnection) connection).getLocalURL(); |
| return url; |
| } |
| } |