package org.apache.maven.changes;

 /*

  * Copyright 2001-2006 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.

  */

 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.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 String currentElement;

     private String currentName;

     private List releaseList;

     private String author;

     private String authorEmail;

     private String title;

     public ChangesXML( String xmlPath, Log log )

     {

         SAXParserFactory factory = SAXParserFactory.newInstance();

         try

         {

             SAXParser saxParser = factory.newSAXParser();

             saxParser.parse( new File( 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

     {

         String s = new String( buf, offset, len );

         if ( !s.trim().equals( "" ) )

         {

             currentElement = currentElement + s.trim() + "\n";

         }

     }

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

         throws SAXException

     {

         if ( qName.equals( "title" ) )

         {

             this.title = currentElement;

         }

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

         {

             this.title = currentElement;

         }

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

         {

             action.setAction( currentElement.trim() );

             actionList.add( action );

         }

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

         {

             release.setAction( actionList );

             releaseList.add( release );

         }

         currentElement = "";

     }

     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;

     }

 }