Package org.gudy.azureus2.pluginsimpl.local.utils.xml.rss

Source Code of org.gudy.azureus2.pluginsimpl.local.utils.xml.rss.RSSItemImpl

/*
* Created on 02-Jan-2005
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/

package org.gudy.azureus2.pluginsimpl.local.utils.xml.rss;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.Date;

import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.plugins.utils.xml.rss.RSSItem;
import org.gudy.azureus2.plugins.utils.xml.simpleparser.SimpleXMLParserDocumentAttribute;
import org.gudy.azureus2.plugins.utils.xml.simpleparser.SimpleXMLParserDocumentNode;

/**
* @author parg
*
*/

public class
RSSItemImpl
  implements RSSItem
{
  private boolean              is_atom;
  private SimpleXMLParserDocumentNode    node;
 
  protected
  RSSItemImpl(
    SimpleXMLParserDocumentNode    _node,
    boolean              _is_atom )
  {
    is_atom  = _is_atom;
    node  = _node;
  }
 
  public String
  getTitle()
  {
    if ( node.getChild( "title" ) != null ){
   
      return( node.getChild( "title" ).getValue());
    }
   
    return( null );
  }
 
  public String
  getDescription()
  {
    if ( node.getChild( "description" ) != null ){
     
      return( node.getChild( "description" ).getValue());
    }
     
    return( null )
  }
 
  public URL
  getLink()
  {
    SimpleXMLParserDocumentNode link_node = node.getChild( "link" );
   
    if ( link_node != null ){

      try{
        if ( is_atom ){
         
          SimpleXMLParserDocumentAttribute attr = link_node.getAttribute( "href" );
         
          if ( attr == null ){
           
            return( null );
          }
         
          String  value = attr.getValue().trim();
         
          if ( value.length() == 0 ){
           
            return( null );
          }
         
          return( new URL( value ));

        }else{
       
          String  value = link_node.getValue().trim();
         
          if ( value.length() == 0 ){
           
            return( null );
          }
         
          return( new URL( value ));
        }
      }catch( Throwable e ){
     
        Debug.printStackTrace(e);
       
        return( null );
      }
    }
   
    return( null );
  }
 
  public Date
  getPublicationDate()
  {
    SimpleXMLParserDocumentNode pd = node.getChild( is_atom?"published":"pubdate" );
   
    if ( pd != null ){

      if ( is_atom ){
       
        return( RSSUtils.parseAtomDate( pd.getValue()));
       
      }else{
       
        return( RSSUtils.parseRSSDate( pd.getValue()));
      }
    }
   
    return( null );
  }
 
  public String
  getUID()
  {
    SimpleXMLParserDocumentNode uid = node.getChild( is_atom?"id":"guid" );

    if ( uid != null ){
       
      String value = uid.getValue().trim();
     
      if ( value.length() > 0 ){
       
        return( value );
      }
    }
   
    return( null );
  }
 
  public SimpleXMLParserDocumentNode
  getNode()
  {
    return( node );
  }
}
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