| /******************************************************************************* |
| * Copyright (c) 2010 The Eclipse Foundation 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: |
| * Yatta Solutions GmbH - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.epp.mpc.tests.service; |
| |
| import java.io.FileNotFoundException; |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.Collections; |
| import java.util.Dictionary; |
| import java.util.HashMap; |
| import java.util.Hashtable; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.epp.internal.mpc.core.MarketplaceClientCorePlugin; |
| import org.eclipse.epp.internal.mpc.core.transport.httpclient.HttpClientTransport; |
| import org.eclipse.epp.internal.mpc.core.transport.httpclient.HttpClientTransportFactory; |
| import org.eclipse.epp.internal.mpc.core.util.FallbackTransportFactory; |
| import org.eclipse.epp.internal.mpc.core.util.JavaPlatformTransportFactory; |
| import org.eclipse.epp.mpc.core.service.ITransport; |
| import org.eclipse.epp.mpc.core.service.ITransportFactory; |
| import org.eclipse.epp.mpc.core.service.ServiceHelper; |
| import org.eclipse.epp.mpc.core.service.ServiceUnavailableException; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceRegistration; |
| |
| public class MappedTransportFactory implements ITransportFactory { |
| |
| private final Map<URI, URI> mapping = new HashMap<URI, URI>(); |
| |
| private ServiceRegistration<ITransportFactory> registration; |
| |
| private ITransportFactory delegate; |
| |
| public ITransport getTransport() { |
| return new ITransport() { |
| |
| private final ITransport delegateTransport = delegate.getTransport(); |
| |
| public InputStream stream(URI location, IProgressMonitor monitor) throws FileNotFoundException, |
| ServiceUnavailableException, CoreException { |
| URI mapped = mapping.get(location); |
| if (mapped == null) { |
| if (location.getQuery() != null || location.getFragment() != null) { |
| try { |
| URI stripped = new URI(location.getScheme(), location.getHost(), location.getPath(), null); |
| mapped = mapping.get(stripped); |
| } catch (URISyntaxException e) { |
| } |
| } |
| } |
| if (mapped == null) { |
| mapped = location; |
| } else if (!mapped.getScheme().toLowerCase().startsWith("http")) { |
| ITransport nonHttpTransport = getNonHttpTransport(delegate, delegateTransport); |
| if (nonHttpTransport != null) { |
| return nonHttpTransport.stream(mapped, monitor); |
| } |
| } |
| return delegateTransport.stream(mapped, monitor); |
| } |
| |
| private ITransport getNonHttpTransport(ITransportFactory delegate, ITransport delegateTransport) { |
| ITransport nonHttpTransport = delegateTransport; |
| if (delegate instanceof HttpClientTransportFactory) { |
| FallbackTransportFactory fallbackFactory = new FallbackTransportFactory(); |
| fallbackFactory.setPrimaryFactory(delegate); |
| delegate = fallbackFactory; |
| } |
| if (delegate instanceof FallbackTransportFactory) { |
| FallbackTransportFactory fallbackFactory = (FallbackTransportFactory) delegate; |
| ITransportFactory primaryFactory = fallbackFactory.getPrimaryFactory(); |
| if (primaryFactory instanceof HttpClientTransportFactory) { |
| ITransportFactory secondaryFactory = fallbackFactory.getFallbackFactory(); |
| if (secondaryFactory != null) { |
| nonHttpTransport = secondaryFactory.getTransport(); |
| } |
| } |
| } |
| if (nonHttpTransport instanceof HttpClientTransport) { |
| nonHttpTransport = new JavaPlatformTransportFactory().getTransport(); |
| } |
| return nonHttpTransport; |
| } |
| }; |
| } |
| |
| public MappedTransportFactory map(URI url, URI mapped) { |
| mapping.put(url, mapped); |
| return this; |
| } |
| |
| public MappedTransportFactory map(String url, String mapped) { |
| try { |
| mapping.put(new URI(url), new URI(mapped)); |
| } catch (URISyntaxException e) { |
| throw new IllegalArgumentException(e.getMessage()); |
| } |
| return this; |
| } |
| |
| public Map<URI, URI> getMapping() { |
| return mapping; |
| } |
| |
| public ITransportFactory getDelegate() { |
| return delegate; |
| } |
| |
| public void setDelegate(ITransportFactory delegate) { |
| this.delegate = delegate; |
| } |
| |
| public void register() throws IllegalStateException { |
| ITransportFactory transportFactory = ServiceHelper.getTransportFactory(); |
| if (transportFactory != this) { |
| unregister(); |
| ITransportFactory delegate = transportFactory; |
| if (delegate instanceof MappedTransportFactory) { |
| delegate = ((MappedTransportFactory) delegate).getDelegate(); |
| } |
| this.delegate = delegate; |
| Dictionary<String, Object> maxServiceRanking = new Hashtable<String, Object>(Collections |
| .singletonMap(Constants.SERVICE_RANKING, Integer.MAX_VALUE)); |
| registration = MarketplaceClientCorePlugin.getBundle().getBundleContext().registerService( |
| ITransportFactory.class, this, |
| maxServiceRanking); |
| transportFactory = ServiceHelper.getTransportFactory(); |
| if (transportFactory != this) { |
| throw new IllegalStateException("Factory not selected after registration"); |
| } |
| } |
| } |
| |
| public void unregister() { |
| if (registration != null) { |
| registration.unregister(); |
| registration = null; |
| } |
| } |
| |
| public static synchronized MappedTransportFactory get() { |
| ITransportFactory transportFactory = ServiceHelper.getTransportFactory(); |
| if (transportFactory instanceof MappedTransportFactory) { |
| return (MappedTransportFactory) transportFactory; |
| } |
| MappedTransportFactory factory = new MappedTransportFactory(); |
| factory.register(); |
| return factory; |
| } |
| } |