cvs commit: cocoon-lenya/src/java/org/apache/lenya/cms/cocoon/components/modules/input DocumentURLModule.java

[an...@apache.org]

andreas     2004/07/25 04:04:25

  Added:       src/java/org/apache/lenya/cms/cocoon/components/modules/input
                        DocumentURLModule.java
  Log:
  Added DocumentURLModule (thanks to Peter Shipley)
  
  Revision  Changes    Path
  1.1                  cocoon-lenya/src/java/org/apache/lenya/cms/cocoon/components/modules/input/DocumentURLModule.java
  
  Index: DocumentURLModule.java
  ===================================================================
  /*
   * Copyright  1999-2004 The Apache Software Foundation
   *
   *  Licensed 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.lenya.cms.cocoon.components.modules.input;
  
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.Map;
  
  import org.apache.avalon.framework.configuration.Configuration;
  import org.apache.avalon.framework.configuration.ConfigurationException;
  import org.apache.avalon.framework.service.ServiceException;
  import org.apache.avalon.framework.service.ServiceManager;
  import org.apache.avalon.framework.service.Serviceable;
  import org.apache.lenya.cms.publication.DocumentHelper;
  
  /**
   * <p>
   * This module constructs the document url taking into account difference in the language .version
   * being created and used.
   * </p>
   * <p>
   * Example:
   * <code>{document-url:{page-envelope:area}:{page-envelope:document-id}:{page-envelope:document-language}}</code>
   * </p>
   * 
   * @version: $Id: DocumentURLModule.java,v 1.1 2004/07/25 11:04:25 andreas Exp $
   */
  public class DocumentURLModule extends AbstractPageEnvelopeModule implements Serviceable {
  
      private ServiceManager manager;
  
      /**
       * @see org.apache.cocoon.components.modules.input.InputModule#getAttribute(java.lang.String,
       *      org.apache.avalon.framework.configuration.Configuration, java.util.Map)
       */
      public Object getAttribute(String name, Configuration modeConf, Map objectModel)
              throws ConfigurationException {
  
          String url;
  
          final String[] attributes = name.split(":");
  
          if (attributes.length < 3) {
              throw new ConfigurationException("Invalid number of parameters: " + attributes.length
                      + ". Expected 3 (area, document-id, language)");
          }
  
          final String area = attributes[0];
          final String documentId = attributes[1];
          final String language = attributes[2];
  
          try {
              DocumentHelper helper = new DocumentHelper(objectModel);
              url = helper.getDocumentUrl(documentId, area, language);
          } catch (Exception e) {
              throw new ConfigurationException(e.getMessage());
          }
  
          return url;
      }
  
      /**
       * @see org.apache.cocoon.components.modules.input.InputModule#getAttributeNames(org.apache.avalon.framework.configuration.Configuration,
       *      java.util.Map)
       */
      public Iterator getAttributeNames(Configuration modeConf, Map objectModel)
              throws ConfigurationException {
          return Collections.EMPTY_SET.iterator();
      }
  
      /**
       * @see org.apache.cocoon.components.modules.input.InputModule#getAttributeValues(java.lang.String,
       *      org.apache.avalon.framework.configuration.Configuration, java.util.Map)
       */
      public Object[] getAttributeValues(String name, Configuration modeConf, Map objectModel)
              throws ConfigurationException {
          Object[] objects = { getAttribute(name, modeConf, objectModel) };
          return objects;
      }
  
      /**
       * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
       */
      public void service(ServiceManager manager) throws ServiceException {
          this.manager = manager;
      }
  
  }
  
  

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