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From andr...@apache.org
Subject cvs commit: cocoon-lenya/src/java/org/apache/lenya/cms/cocoon/transformation WorkflowMenuTransformer.java
Date Fri, 30 May 2003 14:58:37 GMT
andreas     2003/05/30 07:58:37

  Added:       src/java/org/apache/lenya/cms/cocoon/transformation
                        WorkflowMenuTransformer.java
  Log:
  added WorkflowMenuTransformer
  
  Revision  Changes    Path
  1.1                  cocoon-lenya/src/java/org/apache/lenya/cms/cocoon/transformation/WorkflowMenuTransformer.java
  
  Index: WorkflowMenuTransformer.java
  ===================================================================
  /*
   * $Id
   * <License>
   * The Apache Software License
   *
   * Copyright (c) 2002 lenya. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice, this
   *    list of conditions and the following disclaimer in the documentation and/or
   *    other materials provided with the distribution.
   *
   * 3. All advertising materials mentioning features or use of this software must
   *    display the following acknowledgment: "This product includes software developed
   *    by lenya (http://www.lenya.org)"
   *
   * 4. The name "lenya" must not be used to endorse or promote products derived from
   *    this software without prior written permission. For written permission, please
   *    contact contact@lenya.org
   *
   * 5. Products derived from this software may not be called "lenya" nor may "lenya"
   *    appear in their names without prior written permission of lenya.
   *
   * 6. Redistributions of any form whatsoever must retain the following acknowledgment:
   *    "This product includes software developed by lenya (http://www.lenya.org)"
   *
   * THIS SOFTWARE IS PROVIDED BY lenya "AS IS" WITHOUT ANY WARRANTY EXPRESS OR IMPLIED,
   * INCLUDING THE WARRANTY OF NON-INFRINGEMENT AND THE IMPLIED WARRANTIES OF MERCHANTI-
   * BILITY AND FITNESS FOR A PARTICULAR PURPOSE. lenya WILL NOT BE LIABLE FOR ANY DAMAGES
   * SUFFERED BY YOU AS A RESULT OF USING THIS SOFTWARE. IN NO EVENT WILL lenya BE LIABLE
   * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR LOST PROFITS EVEN IF lenya HAS
   * BEEN ADVISED OF THE POSSIBILITY OF THEIR OCCURRENCE. lenya WILL NOT BE LIABLE FOR ANY
   * THIRD PARTY CLAIMS AGAINST YOU.
   *
   * Lenya includes software developed by the Apache Software Foundation, W3C,
   * DOM4J Project, BitfluxEditor and Xopus.
   * </License>
   */
  package org.apache.lenya.cms.cocoon.transformation;
  
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.Map;
  
  import org.apache.avalon.framework.parameters.Parameters;
  import org.apache.cocoon.ProcessingException;
  import org.apache.cocoon.environment.ObjectModelHelper;
  import org.apache.cocoon.environment.SourceResolver;
  import org.apache.cocoon.transformation.AbstractSAXTransformer;
  import org.apache.lenya.cms.ac.FileUser;
  import org.apache.lenya.cms.ac.Group;
  import org.apache.lenya.cms.ac.Role;
  import org.apache.lenya.cms.ac.User;
  import org.apache.lenya.cms.publication.DefaultDocument;
  import org.apache.lenya.cms.publication.Document;
  import org.apache.lenya.cms.publication.PageEnvelope;
  import org.apache.lenya.cms.publication.Publication;
  import org.apache.lenya.cms.publication.PublicationFactory;
  import org.apache.lenya.cms.workflow.Situation;
  import org.apache.lenya.cms.workflow.WorkflowFactory;
  import org.apache.lenya.cms.workflow.Workflowable;
  import org.apache.lenya.cms.workflow.impl.WorkflowFactoryImpl;
  import org.apache.lenya.cms.workflow.ui.CommandFilter;
  import org.apache.lenya.cms.workflow.ui.CommandFilterImpl;
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  import org.xml.sax.helpers.AttributesImpl;
  
  /**
   * @author andreas
   *
   * To change the template for this generated type comment go to
   * Window>Preferences>Java>Code Generation>Code and Comments
   */
  public class WorkflowMenuTransformer
      extends AbstractSAXTransformer {
      
      public static final String ITEM_ELEMENT = "item";
      public static final String EVENT_ATTRIBUTE = "event";
  
      /* (non-Javadoc)
       * @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String,
java.lang.String, org.xml.sax.Attributes)
       */
      public void startElement(String uri, String localName, String raw, Attributes attr)
          throws SAXException {
          
          boolean passed = true;
          if (localName.equals(ITEM_ELEMENT)) {
              String command = attr.getValue(EVENT_ATTRIBUTE);
              
              // filter item if command not allowed 
              if (command != null && !containsCommand(command)) {
                  passed = false;
                  AttributesImpl attributes = new AttributesImpl(attr);
                  int hrefIndex = attributes.getIndex("href");
                  if (hrefIndex > -1) {
                      attributes.removeAttribute(hrefIndex);
                  }
                  super.startElement(uri, localName, raw, attributes);
              }
          }
          if (passed) {
              super.startElement(uri, localName, raw, attr);
          }
      }
      
      /* (non-Javadoc)
       * @see org.apache.cocoon.sitemap.SitemapModelComponent#setup(org.apache.cocoon.environment.SourceResolver,
java.util.Map, java.lang.String, org.apache.avalon.framework.parameters.Parameters)
       */
      public void setup(SourceResolver resolver, Map objectModel, String src, Parameters parameters)
          throws ProcessingException, SAXException, IOException {
              
          Publication publication = PublicationFactory.getPublication(objectModel);
          
          PageEnvelope envelope = null;
        
          try {
              envelope = new PageEnvelope(publication, ObjectModelHelper.getRequest(objectModel));
          } catch (Exception e) {
              throw new ProcessingException(e);
          }
        
          Role role = new Role("editor");
        
          Group group = new Group();
          group.addRole(role);
        
          User user = new FileUser("testuser");
          user.addGroup(group);
          
          Document document = new DefaultDocument(publication, envelope.getDocumentId());
          
          WorkflowFactory factory = WorkflowFactoryImpl.newInstance(document, user);
          Workflowable workflowable = null;
          Situation situation = null;
        
          try {
              workflowable = factory.buildWorkflowable();
              situation = factory.buildSituation();
          }
          catch (Exception e) {
              throw new ProcessingException(e);
          }
        
          CommandFilter filter = new CommandFilterImpl();
          this.commands = filter.getExecutableCommands(workflowable.getInstance(), situation);
        
      }
      
      private String commands[];
      
      protected boolean containsCommand(String command) {
          return Arrays.asList(commands).contains(command);
      }
  
  }
  
  
  

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