Android Open Source - Swinedroid X M L Handler

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Back to project page Swinedroid.

License

The source code is released under:

GNU General Public License

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Java Source Code

package com.legind.swinedroid.xml;
//from   w ww. ja v  a  2  s.c  o m
import java.io.IOException;
import java.io.StringReader;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

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

import android.util.Log;

import com.legind.swinedroid.RequestService.Request;
import com.legind.web.WebTransport.WebTransportException;



public class XMLHandler extends DefaultHandler{
  private String errorString = null;
  private StringBuilder stringFromCharacters;
  private final String LOG_TAG = "com.legind.swinedroid.xml.XMLHandler";
  
  public void startElement(String uri, String name, String qName, Attributes atts){
    if(name.trim().equals("error"))
      stringFromCharacters = new StringBuilder();
  }

  public void endElement(String uri, String name, String qName){
    if(name.trim().equals("error"))
      errorString = stringFromCharacters.toString();
  }

  public void characters(char ch[], int start, int length){
    stringFromCharacters.append(ch, start, length);
  }
  
  public void clearStringBuilder(){
    stringFromCharacters = new StringBuilder();
  }
  
  public StringBuilder getStringBuilder(){
    return stringFromCharacters;
  }
  
  public void createElement(Request request, String call) throws IOException, SAXException, XMLHandlerException, WebTransportException{
    createElement(request, call, "");
  }
  
  public void createElement(Request request, String call, String extra_parameters) throws IOException, SAXException, XMLHandlerException, WebTransportException{
    try{
      clearStringBuilder();
      String xmlString = request.makeRequest(call, extra_parameters);
      SAXParserFactory spf = SAXParserFactory.newInstance();
      SAXParser sp = spf.newSAXParser();
      XMLReader xr = sp.getXMLReader();
      xr.setContentHandler(this);
      xr.parse(new InputSource(new StringReader(xmlString)));
      if(errorString != null){
         throw new XMLHandlerException(errorString);
      }
    } catch (ParserConfigurationException e){
      Log.e(LOG_TAG,e.toString());
    }
  }
}

Java Source Code List