package org.apache.maven.plugin.changes;

 /*

  * 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.

  */

 import org.apache.maven.plugin.logging.Log;

 import org.xml.sax.Attributes;

 import org.xml.sax.SAXException;

 import org.xml.sax.helpers.DefaultHandler;

 import javax.xml.parsers.SAXParser;

 import javax.xml.parsers.SAXParserFactory;

 import java.io.File;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * XML Parser for changes.xml files.

  *

  * @version $Id: org.apache.maven.plugin.changes.ChangesXML.html 816584 2012-05-08 12:33:35Z hboutemy $

  */

 public class ChangesXML

     extends DefaultHandler

 {

     private Action action;

     private List actionList;

     private Release release;

     private StringBuffer currentElement = new StringBuffer( 1024 );

     private String currentName;

     private List releaseList;

     private String author;

     private String authorEmail;

     private String title;

     public ChangesXML( File xmlPath, Log log )

     {

         SAXParserFactory factory = SAXParserFactory.newInstance();

         try

         {

             SAXParser saxParser = factory.newSAXParser();

             saxParser.parse( xmlPath, this );

         }

         catch ( Throwable t )

         {

             log.error( "An error occured when parsing the changes.xml file:", t );

         }

     }

     public void setAuthor( String author )

     {

         this.author = author;

     }

     public String getAuthor()

     {

         return author;

     }

     public void setAuthorEmail( String authorEmail )

     {

         this.authorEmail = authorEmail;

     }

     public String getAuthorEmail()

     {

         return authorEmail;

     }

     public void setReleaseList( List releaseList )

     {

         this.releaseList = releaseList;

     }

     public List getReleaseList()

     {

         return releaseList;

     }

     public void setTitle( String title )

     {

         this.title = title;

     }

     public String getTitle()

     {

         return title;

     }

     public void characters( char[] buf, int offset, int len )

         throws SAXException

     {

         currentElement.append( buf, offset, len );

     }

     public void endElement( String namespaceURI, String sName, String qName )

         throws SAXException

     {

         if ( qName.equals( "title" ) )

         {

             this.title = currentElement.toString().trim();

         }

         else if ( qName.equals( "author" ) )

         {

             this.author = currentElement.toString().trim();

         }

         else if ( qName.equals( "action" ) )

         {

             action.setAction( currentElement.toString().trim() );

             actionList.add( action );

         }

         else if ( qName.equals( "release" ) )

         {

             release.setAction( actionList );

             releaseList.add( release );

         }

         currentElement.setLength( 0 );

     }

     public void startElement( String namespaceURI, String sName, String qName, Attributes attrs )

         throws SAXException

     {

         if ( qName.equals( "title" ) )

         {

             this.title = "";

         }

         else if ( qName.equals( "author" ) )

         {

             this.authorEmail = attrs.getValue( "email" );

             this.author = "";

         }

         else if ( qName.equals( "body" ) )

         {

             releaseList = new ArrayList();

         }

         else if ( qName.equals( "release" ) )

         {

             release = new Release();

             release.setDateRelease( attrs.getValue( "date" ) );

             release.setVersion( attrs.getValue( "version" ) );

             release.setDescription( attrs.getValue( "description" ) );

             actionList = new ArrayList();

         }

         else if ( qName.equals( "action" ) )

         {

             action = new Action();

             action.setDev( attrs.getValue( "dev" ) );

             action.setDueTo( attrs.getValue( "due-to" ) );

             action.setDueToEmail( attrs.getValue( "due-to-email" ) );

             action.setType( attrs.getValue( "type" ) );

             action.setIssue( attrs.getValue( "issue" ) );

         }

         currentName = qName;

     }

 }