| /* |
| * $Id$ |
| * |
| * 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.request.portlet; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import javax.portlet.PortletContext; |
| |
| import org.apache.tiles.request.ApplicationContext; |
| import org.apache.tiles.request.ApplicationResource; |
| import org.apache.tiles.request.collection.ReadOnlyEnumerationMap; |
| import org.apache.tiles.request.collection.ScopeMap; |
| import org.apache.tiles.request.locale.URLApplicationResource; |
| import org.apache.tiles.request.portlet.extractor.ApplicationScopeExtractor; |
| import org.apache.tiles.request.portlet.extractor.InitParameterExtractor; |
| |
| /** |
| * Portlet-based TilesApplicationContext implementation. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class PortletApplicationContext implements ApplicationContext { |
| |
| /** |
| * <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 PortletApplicationContext(PortletContext context) { |
| initialize(context); |
| } |
| |
| /** {@inheritDoc} */ |
| public Object getContext() { |
| return context; |
| } |
| |
| /** |
| * <p>Initialize (or reinitialize) this {@link PortletApplicationContext} 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>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 ScopeMap(new ApplicationScopeExtractor(context)); |
| } |
| return (applicationScope); |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public Map<String, String> getInitParams() { |
| if ((initParam == null) && (context != null)) { |
| initParam = new ReadOnlyEnumerationMap<String>(new InitParameterExtractor(context)); |
| } |
| return (initParam); |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public ApplicationResource getResource(String localePath) { |
| try { |
| URL url = context.getResource(localePath); |
| if (url != null) { |
| return new URLApplicationResource(localePath, url); |
| } else { |
| return null; |
| } |
| } catch (MalformedURLException e) { |
| return null; |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public ApplicationResource getResource(ApplicationResource base, Locale locale) { |
| try { |
| URL url = context.getResource(base.getLocalePath(locale)); |
| if (url != null) { |
| return new URLApplicationResource(base.getPath(), locale, url); |
| } else { |
| return null; |
| } |
| } catch (MalformedURLException e) { |
| return null; |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public Collection<ApplicationResource> getResources(String path) { |
| ArrayList<ApplicationResource> resources = new ArrayList<ApplicationResource>(); |
| resources.add(getResource(path)); |
| return resources; |
| } |
| } |