| /* |
| * $Id$ |
| * |
| * 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.wildcard; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Locale; |
| |
| import javax.portlet.PortletContext; |
| |
| import org.apache.tiles.request.ApplicationResource; |
| import org.apache.tiles.request.locale.URLApplicationResource; |
| import org.apache.tiles.request.portlet.PortletApplicationContext; |
| import org.springframework.core.io.Resource; |
| import org.springframework.core.io.support.ResourcePatternResolver; |
| import org.springframework.web.portlet.context.PortletContextResourcePatternResolver; |
| |
| /** |
| * Portlet-based implementation of the TilesApplicationContext interface that |
| * can resolve resources even using wildcards. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class WildcardPortletApplicationContext extends PortletApplicationContext { |
| |
| /** |
| * The pattern resolver. |
| */ |
| protected ResourcePatternResolver resolver; |
| |
| /** |
| * Constructor. |
| * |
| * @param portletContext The portlet context. |
| */ |
| public WildcardPortletApplicationContext(PortletContext portletContext) { |
| super(portletContext); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void initialize(PortletContext context) { |
| super.initialize(context); |
| |
| resolver = new PortletContextResourcePatternResolver(context); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public ApplicationResource getResource(String localePath) { |
| ApplicationResource retValue = null; |
| Collection<ApplicationResource> resourceSet = getResources(localePath); |
| if (resourceSet != null && !resourceSet.isEmpty()) { |
| retValue = resourceSet.iterator().next(); |
| } |
| return retValue; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public ApplicationResource getResource(ApplicationResource base, Locale locale) { |
| ApplicationResource retValue = null; |
| Collection<ApplicationResource> resourceSet = getResources(base.getLocalePath(locale)); |
| if (resourceSet != null && !resourceSet.isEmpty()) { |
| retValue = resourceSet.iterator().next(); |
| } |
| return retValue; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public Collection<ApplicationResource> getResources(String path) { |
| Resource[] resources; |
| try { |
| resources = resolver.getResources(path); |
| } catch (IOException e) { |
| return Collections.<ApplicationResource> emptyList(); |
| } |
| Collection<ApplicationResource> resourceList = new ArrayList<ApplicationResource>(); |
| if (resources != null && resources.length > 0) { |
| for (int i = 0; i < resources.length; i++) { |
| URL url; |
| try { |
| url = resources[i].getURL(); |
| resourceList.add(new URLApplicationResource(url.toExternalForm(), url)); |
| } catch (IOException e) { |
| // shouldn't happen with the kind of resources we're using |
| throw new IllegalArgumentException("no URL for " + resources[i].toString(), e); |
| } |
| } |
| } |
| return resourceList; |
| } |
| } |