| /* |
| * $Id$ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.tiles.portlet.context; |
| |
| import org.apache.tiles.TilesApplicationContext; |
| import org.apache.tiles.context.TilesRequestContext; |
| |
| import javax.portlet.PortletContext; |
| import javax.portlet.PortletRequest; |
| import javax.portlet.PortletResponse; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.HashSet; |
| |
| /** |
| * Portlet-based TilesApplicationContext implementation. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class PortletTilesApplicationContext implements TilesApplicationContext { |
| |
| /** |
| * <p>The lazily instantiated <code>Map</code> of application scope |
| * attributes.</p> |
| */ |
| private Map<String, Object> applicationScope = null; |
| |
| |
| /** |
| * <p>The <code>PortletContext</code> for this web application.</p> |
| */ |
| protected PortletContext context = null; |
| |
| |
| /** |
| * <p>The lazily instantiated <code>Map</code> of context initialization |
| * parameters.</p> |
| */ |
| private Map<String, String> initParam = null; |
| |
| |
| /** |
| * Creates a new instance of PortletTilesApplicationContext. |
| * |
| * @param context The portlet context to use. |
| */ |
| public PortletTilesApplicationContext(PortletContext context) { |
| initialize(context); |
| } |
| |
| /** {@inheritDoc} */ |
| public Object getContext() { |
| return context; |
| } |
| |
| /** |
| * <p>Initialize (or reinitialize) this {@link PortletTilesApplicationContext} instance |
| * for the specified Portlet API objects.</p> |
| * |
| * @param context The <code>PortletContext</code> for this web application |
| */ |
| public void initialize(PortletContext context) { |
| |
| // Save the specified Portlet API object references |
| this.context = context; |
| |
| } |
| |
| /** |
| * <p>Release references to allocated resources acquired in |
| * <code>initialize()</code> of via subsequent processing. After this |
| * method is called, subsequent calls to any other method than |
| * <code>initialize()</code> will return undefined results.</p> |
| */ |
| public void release() { |
| |
| // Release references to allocated collections |
| applicationScope = null; |
| initParam = null; |
| |
| // Release references to Portlet API objects |
| context = null; |
| |
| } |
| |
| /** |
| * <p>Return the {@link PortletContext} for this context.</p> |
| * |
| * @return The original portlet context. |
| */ |
| public PortletContext getPortletContext() { |
| return (this.context); |
| } |
| |
| |
| /** {@inheritDoc} */ |
| public Map<String, Object> getApplicationScope() { |
| if ((applicationScope == null) && (context != null)) { |
| applicationScope = new PortletApplicationScopeMap(context); |
| } |
| return (applicationScope); |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public Map<String, String> getInitParams() { |
| if ((initParam == null) && (context != null)) { |
| initParam = new PortletInitParamMap(context); |
| } |
| return (initParam); |
| |
| } |
| |
| |
| /** {@inheritDoc} */ |
| public URL getResource(String path) throws IOException { |
| return context.getResource(path); |
| } |
| |
| /** {@inheritDoc} */ |
| public Set<URL> getResources(String path) throws IOException { |
| HashSet<URL> set = new HashSet<URL>(); |
| set.add(getResource(path)); |
| return set; |
| } |
| |
| /** |
| * Creates a portlet context for a given request/response pair. |
| * |
| * @param request The request object. |
| * @param response The response object. |
| * @return The corresponding Tiles request context. |
| * @deprecated Use |
| * {@link org.apache.tiles.context.TilesContextFactory#createRequestContext(TilesApplicationContext, Object...)} |
| * . |
| */ |
| public TilesRequestContext createRequestContext(Object request, Object response) { |
| if (request instanceof PortletRequest && response instanceof PortletResponse) { |
| return new PortletTilesRequestContext( |
| context, |
| (PortletRequest) request, |
| (PortletResponse) response); |
| } else { |
| throw new IllegalArgumentException("Invalid context specified. " |
| + context.getClass().getName()); |
| } |
| } |
| } |