| /* |
| * 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. |
| * |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.lenya.cms.cocoon.acting; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import org.apache.avalon.framework.parameters.Parameters; |
| import org.apache.cocoon.acting.AbstractAction; |
| import org.apache.cocoon.environment.ObjectModelHelper; |
| import org.apache.cocoon.environment.Redirector; |
| import org.apache.cocoon.environment.Request; |
| import org.apache.cocoon.environment.SourceResolver; |
| import org.apache.lenya.cms.publication.Repository; |
| import org.apache.lenya.cms.publication.Session; |
| import org.apache.lenya.utils.ServletHelper; |
| |
| /** |
| * Action that checks if the current URL represents an existing document. |
| */ |
| public class LanguageExistsAction extends AbstractAction { |
| |
| private Repository repository; |
| |
| /** |
| * Check if the current URL represents an existing document. |
| * @return an empty <code>Map</code> if there is a version of this document for the current |
| * language, <code>null</code> otherwise. |
| * @throws Exception if an error occurs |
| */ |
| public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, |
| Parameters parameters) throws Exception { |
| |
| Request request = ObjectModelHelper.getRequest(objectModel); |
| Session session = this.repository.getSession(request); |
| |
| String url = ServletHelper.getWebappURI(request); |
| if (session.getUriHandler().isDocument(url)) { |
| return Collections.unmodifiableMap(Collections.EMPTY_MAP); |
| } |
| else { |
| return null; |
| } |
| } |
| |
| public void setRepository(Repository repository) { |
| this.repository = repository; |
| } |
| |
| public Repository getRepository() { |
| return repository; |
| } |
| |
| } |