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From andr...@apache.org
Subject cvs commit: cocoon-lenya/src/java/org/apache/lenya/cms/workflow/impl WorkflowDocument.java
Date Fri, 30 May 2003 14:57:06 GMT
andreas     2003/05/30 07:57:06

  Added:       src/java/org/apache/lenya/cms/workflow/impl
                        WorkflowDocument.java
  Log:
  added WorkflowDocument
  
  Revision  Changes    Path
  1.1                  cocoon-lenya/src/java/org/apache/lenya/cms/workflow/impl/WorkflowDocument.java
  
  Index: WorkflowDocument.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.workflow.impl;
  
  import java.io.File;
  
  import org.apache.lenya.cms.publication.Document;
  import org.apache.lenya.cms.publication.DocumentType;
  import org.apache.lenya.cms.workflow.AbstractWorkflowable;
  import org.apache.lenya.cms.workflow.State;
  import org.apache.lenya.cms.workflow.Workflow;
  import org.apache.lenya.cms.workflow.WorkflowBuildException;
  import org.apache.lenya.xml.DocumentHelper;
  import org.apache.lenya.xml.NamespaceHelper;
  import org.w3c.dom.Element;
  
  /**
   * @author andreas
   *
   * To change the template for this generated type comment go to
   * Window>Preferences>Java>Code Generation>Code and Comments
   */
  public class WorkflowDocument extends AbstractWorkflowable {
  
      public WorkflowDocument(Document document) throws WorkflowBuildException {
          assert document != null;
          this.document = document;
  
          DocumentType type;
          org.w3c.dom.Document xmlDocument;
          try {
              File historyFile = getHistoryFile(document);
              xmlDocument = DocumentHelper.readDocument(historyFile);
              String documentTypeName =
                  xmlDocument.getDocumentElement().getAttribute(DOCTYPE_ATTRIBUTE);
              assert documentTypeName != null;
              type = new DocumentType(documentTypeName);
          } catch (Exception e) {
              throw new WorkflowBuildException(e);
          }
  
          this.workflow = WorkflowFactoryImpl.buildWorkflow(document.getPublication(), type);
  
          WorkflowInstanceImpl instance = new WorkflowInstanceImpl(workflow);
  
          // initialize instance state from last version element
          NamespaceHelper helper =
              new NamespaceHelper(
                  WorkflowBuilder.NAMESPACE,
                  WorkflowBuilder.DEFAULT_PREFIX,
                  xmlDocument);
                  
          Element versionElements[] = helper.getChildren(xmlDocument.getDocumentElement(),
VERSION_ELEMENT);
          if (versionElements.length > 0) {
              Element lastElement = versionElements[versionElements.length - 1]; 
              String stateId = lastElement.getAttribute(STATE_ATTRIBUTE);
              State state = ((WorkflowImpl) workflow).getState(stateId);
              instance.setCurrentState(state);
          }
                  
          setInstance(instance);
  
      }
  
      private Document document;
  
      public static final String HISTORY_PATH = "history".replace('/', File.separatorChar);
  
      protected static File getHistoryFile(Document document) {
          
          String documentPath = document.getId().replace('/', File.separatorChar) + ".xml";
          
          File workflowDirectory = new File(document.getPublication().getDirectory(), WorkflowFactoryImpl.WORKFLOW_DIRECTORY);
          File historyDirectory = new File(workflowDirectory, HISTORY_PATH);
          File historyFile = new File(historyDirectory, documentPath);
          return historyFile;
      }
  
      /**
       * Returns the document of this WorkflowDocument object.
       * @return A document object.
       */
      protected Document getDocument() {
          return document;
      }
  
      private Workflow workflow;
  
      public static final String DOCTYPE_ATTRIBUTE = "doctype";
      public static final String VERSION_ELEMENT = "version";
      public static final String STATE_ATTRIBUTE = "state";
  
      /**
       * @return
       */
      public Workflow getWorkflow() {
          return workflow;
      }
  
  }
  
  
  

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