| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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 |
| * Sergey Prigogin (Google) - use parameterized types (bug 442021) |
| *******************************************************************************/ |
| package org.eclipse.core.internal.boot; |
| |
| import java.io.IOException; |
| import java.lang.reflect.Constructor; |
| import java.net.*; |
| import java.util.Hashtable; |
| import org.eclipse.core.internal.runtime.CommonMessages; |
| import org.eclipse.osgi.util.NLS; |
| import org.osgi.service.url.AbstractURLStreamHandlerService; |
| |
| /** |
| * URL handler for the "platform" protocol |
| */ |
| public class PlatformURLHandler extends AbstractURLStreamHandlerService { |
| |
| private static Hashtable<String, Constructor<?>> connectionType = new Hashtable<>(); |
| |
| // URL protocol designations |
| public static final String PROTOCOL = "platform"; //$NON-NLS-1$ |
| public static final String FILE = "file"; //$NON-NLS-1$ |
| public static final String JAR = "jar"; //$NON-NLS-1$ |
| public static final String BUNDLE = "bundle"; //$NON-NLS-1$ |
| public static final String JAR_SEPARATOR = "!/"; //$NON-NLS-1$ |
| public static final String PROTOCOL_SEPARATOR = ":"; //$NON-NLS-1$ |
| |
| /* |
| * Constructor for the class. |
| */ |
| public PlatformURLHandler() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.osgi.service.url.AbstractURLStreamHandlerService#openConnection(java.net.URL) |
| */ |
| @Override |
| public URLConnection openConnection(URL url) throws IOException { |
| // Note: openConnection() method is made public (rather than protected) |
| // to enable request delegation from proxy handlers |
| String spec = url.getFile().trim(); |
| if (spec.startsWith("/")) //$NON-NLS-1$ |
| spec = spec.substring(1); |
| int ix = spec.indexOf("/"); //$NON-NLS-1$ |
| if (ix == -1) |
| throw new MalformedURLException(NLS.bind(CommonMessages.url_invalidURL, url.toExternalForm())); |
| |
| String type = spec.substring(0, ix); |
| Constructor<?> construct = connectionType.get(type); |
| if (construct == null) |
| throw new MalformedURLException(NLS.bind(CommonMessages.url_badVariant, type)); |
| |
| PlatformURLConnection connection = null; |
| try { |
| connection = (PlatformURLConnection) construct.newInstance(new Object[] {url}); |
| } catch (Exception e) { |
| throw new IOException(NLS.bind(CommonMessages.url_createConnection, e.getMessage())); |
| } |
| connection.setResolvedURL(connection.resolve()); |
| return connection; |
| } |
| |
| public static void register(String type, Class<?> connectionClass) { |
| try { |
| Constructor<?> c = connectionClass.getConstructor(new Class[] {URL.class}); |
| connectionType.put(type, c); |
| } catch (NoSuchMethodException e) { |
| //don't register connection classes that don't conform to the spec |
| } |
| } |
| |
| public static void unregister(String type) { |
| connectionType.remove(type); |
| } |
| } |