StopHandler.java :  » App » opentmb » android » codesprint » opentmb » Android Open Source

package android.codesprint.opentmb;

import java.util.ArrayList;

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

import android.text.format.Time;

public class StopHandler extends DefaultHandler {
  private ArrayList<Stop> mStops;
    private Stop mCurrentStop;
    private Shelter mCurrentShelter;
    private ArrayList<Time> mCurrentHours;
    
    private StringBuilder mBuilder;
    
  public ArrayList<Stop> getStops() {
    return mStops;
  }
  
    @Override
    public void characters(char[] ch, int start, int length)
            throws SAXException {
        super.characters(ch, start, length);
        mBuilder.append(ch, start, length);
    }

    @Override
    public void endElement(String uri, String localName, String name)
            throws SAXException {
        super.endElement(uri, localName, name);
        String nodeValue = mBuilder.toString().trim();
        if (mCurrentStop != null){
          //Stop attributes
          if(localName.equalsIgnoreCase(SaxStopParser.LINE)){
            mCurrentStop.setLine(nodeValue);
          }
          else if(localName.equalsIgnoreCase(SaxStopParser.ADDRESS)) {
            mCurrentStop.setAddress(nodeValue);
          }
          else if(localName.equalsIgnoreCase(SaxStopParser.ROUTE)) {
            mCurrentStop.setRoute(nodeValue);
          }
          else if(localName.equalsIgnoreCase(SaxStopParser.ORIGIN)) {
            mCurrentStop.setOrigin(mCurrentShelter);
              mCurrentShelter = null;
          }
          else if(localName.equalsIgnoreCase(SaxStopParser.DESTINATION)) {
            mCurrentStop.setDestination(mCurrentShelter);
            mCurrentShelter = null;
          }
          else if(localName.equalsIgnoreCase(SaxStopParser.STOP)) {
            mStops.add(mCurrentStop);
            mCurrentStop = null;
          }
          
          //Shelter attributes
          if(mCurrentShelter != null) {
            if(localName.equalsIgnoreCase(SaxStopParser.LATITUDE)) {
              mCurrentShelter.setLatitude(Double.parseDouble(nodeValue));
            }
            else if(localName.equalsIgnoreCase(SaxStopParser.LONGITUDE)) {
              mCurrentShelter.setLongitude(Double.parseDouble(nodeValue));
            }
            //Hour attributes
            if(mCurrentHours != null) {
              if(localName.equalsIgnoreCase(SaxStopParser.HOUR)) {
                Time time = new Time();
                long millis = Long.parseLong(nodeValue);
                time.set(millis);
                mCurrentHours.add(time);
              }
              else if(localName.equalsIgnoreCase(SaxStopParser.HOURS)) {
                     mCurrentShelter.setHours(mCurrentHours);
                     mCurrentHours = null;
                   }
            }
          }
          
            mBuilder.setLength(0);    
        }
    }

    @Override
    public void startDocument() throws SAXException {
        super.startDocument();
        mStops = new ArrayList<Stop>();
        mBuilder = new StringBuilder();
    }

    @Override
    public void startElement(String uri, String localName, String name,
            Attributes attributes) throws SAXException {
        super.startElement(uri, localName, name, attributes);
        if (localName.equalsIgnoreCase(SaxStopParser.STOP)){
            mCurrentStop = new Stop();
        }
        else if(localName.equalsIgnoreCase(SaxStopParser.ORIGIN) || 
        localName.equalsIgnoreCase(SaxStopParser.DESTINATION)) {
          mCurrentShelter = new Shelter();
        }
        else if(localName.equalsIgnoreCase(SaxStopParser.HOURS)) {
          mCurrentHours = new ArrayList<Time>();
        }
    }
}