Android Open Source - ildn-hub Android Sax Feed Parser

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License

The source code is released under:

GNU General Public License

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Java Source Code

package net.ildn.feed;
/* w ww.j  a v a  2 s . c om*/
import java.util.ArrayList;
import java.util.List;

import android.sax.Element;
import android.sax.EndElementListener;
import android.sax.EndTextElementListener;
import android.sax.RootElement;
import android.util.Log;
import android.util.Xml;

public class AndroidSaxFeedParser extends BaseFeedParser {

  static final String RSS = "rss";
  
  private static final String LOG_ID = "ILDN Hub - AndroidSaxFeedParser";

  
  static{
    try{
    nameSpacesHash.put(CREATOR, "http://purl.org/dc/elements/1.1/");
    }catch (Throwable e){
      Log.e(LOG_ID,"Error in intializing: "+e.toString(),e);
    }
  }
  

  public AndroidSaxFeedParser(String feedUrl) {
    super(feedUrl);
  }

  public List<Message> parse(){
    final Message currentMessage = new Message();
    RootElement root = new RootElement(RSS);
    final List<Message> messages = new ArrayList<Message>();
    Element channel = root.getChild(CHANNEL);
    Element item = channel.getChild(ITEM);
    item.setEndElementListener(new EndElementListener() {
      public void end() {
        try{
        messages.add((Message)currentMessage.clone());
        }catch(Throwable e){
          Log.e(LOG_ID,"Enable to add message "+currentMessage.toString()+": "+e.toString(),e);
          throw new RuntimeException(e);
        }
      }
    });
    item.getChild(getElementNamespace(TITLE),TITLE).setEndTextElementListener(
        new EndTextElementListener() {
          public void end(String body) {
            currentMessage.setTitle(body);
          }
        });
    item.getChild(getElementNamespace(LINK),LINK).setEndTextElementListener(
        new EndTextElementListener() {
          public void end(String body) {
            currentMessage.setLink(body);
          }
        });
    item.getChild(getElementNamespace(DESCRIPTION),DESCRIPTION).setEndTextElementListener(
        new EndTextElementListener() {
          public void end(String body) {
            currentMessage.setDescription(body);
          }
        });
    item.getChild(getElementNamespace(PUB_DATE),PUB_DATE).setEndTextElementListener(
        new EndTextElementListener() {
          public void end(String body) {
            currentMessage.setDate(body);
          }
        });
    item.getChild(getElementNamespace(CREATOR),CREATOR).setEndTextElementListener(
        new EndTextElementListener() {
          public void end(String body) {
            currentMessage.setCreator(body);
          }
        });
    try {
      Xml.parse(this.getXml(), root.getContentHandler());
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
    return messages;
  }
}

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