XmlDirectsHandler.java :  » Blog-Twitter » twigee » tice » twitterwalk » XmlParse » Android Open Source

package tice.twitterwalk.XmlParse;

import java.util.Date;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import tice.twitterwalk.Util.TweetsData;
import tice.twitterwalk.Util.TwitterItem;
import android.text.Html;

public class XmlDirectsHandler extends DefaultHandler {

  private int mType;
    private boolean in_direct_message = false; 
    private boolean in_sender = false; 
    private boolean in_recipient = false;
    private boolean in_error = false;
    
    private StringBuilder builder;
    private TwitterItem mItem = null;
  private TweetsData mTweetsData = null;
    
  public TweetsData GetParsedData() { 
    return mTweetsData; 
  } 
    
  public XmlDirectsHandler(int type){
    mType = type;
  }
  
    @Override 
    public void startDocument() throws SAXException { 
         mTweetsData = new TweetsData(); 
    } 

    @Override 
    public void endDocument() throws SAXException { 
         // Nothing to do 
    } 
    
    @Override 
    public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException { 
      if (localName.equals("direct_message")){
          in_direct_message = true;
          mItem = new TwitterItem();
          mItem.mType = mType;
          builder = new StringBuilder();
        }else if (localName.equals("sender")){
          in_sender = true;
        }else if (localName.equals("recipient")){
          in_recipient = true;
        }else if (localName.equals("error")){
          in_error = true;
          builder = new StringBuilder();
        }
    } 
     
    @Override 
    public void endElement(String namespaceURI, String localName, String qName) throws SAXException { 
        
      if (localName.equals("direct_message")){
          in_direct_message = false;
          mTweetsData.items.add(mItem);
        } else if (localName.equals("sender")){
          in_sender = false;
        } else if (localName.equals("recipient")){
          in_recipient = false;
        }else if (localName.equals("error")){
          in_error = false;
          mTweetsData.mError = builder.toString();
          builder.setLength(0);
        }
      
      if(in_direct_message && !in_recipient){

        String body = builder.toString().trim();

        if (localName.equals("created_at") && in_sender == false){
            mItem.mTime = Date.parse(body);
          } else if (localName.equals("id") && in_sender == false){
            mItem.mID = Long.valueOf(body);
          } else if (localName.equals("text") && in_sender == false){
            mItem.mText = String.format("%s", Html.fromHtml(body));
          } else if (localName.equals("source") && in_sender == false){
            mItem.mSource = String.format("%s",Html.fromHtml(body));
          } else if (localName.equals("in_reply_to_status_id") && in_sender == false){
            mItem.mReplyID = body;
          } else if (localName.equals("favorited") && in_sender == false){
            mItem.mFavorite = Boolean.parseBoolean(body);
          } else if (localName.equals("screen_name") && in_sender == true){
            mItem.mScreenname = body;
          } else if (localName.equals("name") && (in_sender == true)){
            mItem.mTitle = body;
          } else if (localName.equals("profile_image_url") && in_sender == true ){
            mItem.mImageurl = body;
          }
      
        builder.setLength(0);
      }
    } 
     
    @Override 
  public void characters(char ch[], int start, int length) { 
      if (in_direct_message && !in_recipient || in_error == true){
        if(ch[start] == '\r' || ch[start] == '\n') return;
        builder.append(ch, start, length);
      }
    } 
}