/* $Id: TodoListMemberFilePersister.java 17832 2010-01-12 19:02:29Z linus $

  *****************************************************************************

  * Copyright (c) 2009 Contributors - see below

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  *

  * Contributors:

  *    tfmorris

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 1996-2009 The Regents of the University of California. All

 // Rights Reserved. Permission to use, copy, modify, and distribute this

 // software and its documentation without fee, and without a written

 // agreement is hereby granted, provided that the above copyright notice

 // and this paragraph appear in all copies.  This software program and

 // documentation are copyrighted by The Regents of the University of

 // California. The software program and documentation are supplied "AS

 // IS", without any accompanying services from The Regents. The Regents

 // does not warrant that the operation of the program will be

 // uninterrupted or error-free. The end-user understands that the program

 // was developed for research purposes and is advised not to rely

 // exclusively on the program for any reason.  IN NO EVENT SHALL THE

 // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,

 // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,

 // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF

 // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF

 // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY

 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE

 // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF

 // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,

 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.persistence;

 import java.io.InputStream;

 import java.io.InputStreamReader;

 import java.io.OutputStream;

 import java.io.OutputStreamWriter;

 import java.io.PrintWriter;

 import java.io.UnsupportedEncodingException;

 import java.net.URL;

 import org.apache.log4j.Logger;

 import org.argouml.application.api.Argo;

 import org.argouml.cognitive.Designer;

 import org.argouml.kernel.Project;

 import org.argouml.kernel.ProjectMember;

 import org.argouml.ocl.OCLExpander;

 import org.argouml.uml.cognitive.ProjectMemberTodoList;

 import org.tigris.gef.ocl.ExpansionException;

 import org.tigris.gef.ocl.TemplateReader;

 import org.xml.sax.InputSource;

 /**

  * The file persister for the Todo members.

  * @author Bob Tarling

  */

 class TodoListMemberFilePersister extends MemberFilePersister {

     private static final Logger LOG =

         Logger.getLogger(ProjectMemberTodoList.class);

     private static final String TO_DO_TEE = "/org/argouml/persistence/todo.tee";

     public void load(Project project, InputStream inputStream)

         throws OpenException {

         try {

             load(project, new InputSource(new InputStreamReader(inputStream,

                     Argo.getEncoding())));

         } catch (UnsupportedEncodingException e) {

             throw new OpenException(e);

         }

     }

     public void load(Project project, InputSource inputSource)

         throws OpenException {

         try {

             TodoParser parser = new TodoParser();

             parser.readTodoList(inputSource);

             ProjectMemberTodoList pm = new ProjectMemberTodoList("", project);

             project.addMember(pm);

         } catch (Exception e) {

             if (e instanceof OpenException) {

                 throw (OpenException) e;

             }

             throw new OpenException(e);

         }

     }

     @Override

     public void load(Project project, URL url) throws OpenException {   

         load(project, new InputSource(url.toExternalForm()));

     }

     /*

      * @see org.argouml.persistence.MemberFilePersister#getMainTag()

      */

     public final String getMainTag() {

         return "todo";

     }

     public void save(ProjectMember member, OutputStream outStream)

         throws SaveException {

         OCLExpander expander;

         try {

             expander =

                     new OCLExpander(TemplateReader.getInstance()

                             .read(TO_DO_TEE));

         } catch (ExpansionException e) {

             throw new SaveException(e);

         }

         PrintWriter pw;

         try {

             pw = new PrintWriter(new OutputStreamWriter(outStream, "UTF-8"));

         } catch (UnsupportedEncodingException e1) {

             throw new SaveException("UTF-8 encoding not supported on platform", 

                     e1);

         }

         try {

             Designer.disableCritiquing();

             // WARNING: The GEF implementation of the OutputStream version of 

             // this method doesn't work - tfm - 20070531

             expander.expand(pw, member);

         } catch (ExpansionException e) {

             throw new SaveException(e);

         } finally {

             pw.flush();

 //            pw.close();

             Designer.enableCritiquing();

         }

     }

 }