Android Open Source - irish_rail_next Train Listing X M L Parser

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Back to project page irish_rail_next.

License

The source code is released under:

MIT License

Java Source Code

package rdcl.ie.pebbleirishrailnext.api;
//from w w  w.  ja v  a 2s .co  m
import android.util.Log;

import org.apache.commons.io.IOUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;

import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by warren on 16/11/14.
 */
public class TrainListingXMLParser
{
  /// Logger Tag
  private static final String TAG = "Train Listing XML Parser";

  /**
   * Parse the given XML data and return a list of train info objects
   * @param xml  XML Data
   * @return  List of Train Info Objects
   * @throws org.xmlpull.v1.XmlPullParserException        If an exception occurs during the parsing process
   * @throws java.io.IOException                          If an exception occurs while reading XML data
   */
  public static List<IrishRailApi.TrainInfo> parse( String xml ) throws XmlPullParserException, IOException
  {
    XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
    XmlPullParser parser = factory.newPullParser();
    parser.setInput( new InputStreamReader( IOUtils.toInputStream( xml ) ) );
    parser.setFeature( XmlPullParser.FEATURE_PROCESS_NAMESPACES, false );

    List<IrishRailApi.TrainInfo> trains = new ArrayList<IrishRailApi.TrainInfo>();

    Log.d( TAG, "Starting Parse Process..." );

    int event = parser.getEventType();
    IrishRailApi.TrainInfo train = new IrishRailApi.TrainInfo();

    while( event != XmlPullParser.END_DOCUMENT )
    {
      switch( event )
      {
      case XmlPullParser.START_DOCUMENT:
      break;

      case XmlPullParser.START_TAG:
      {
        String tag = parser.getName();

        if( tag.equals( "objStationData" ) )
        {
          train = new IrishRailApi.TrainInfo();
        }
        else if( tag.equals( "Destination" ) )
        {
          train.destination = parser.nextText();
        }
        else if( tag.equals( "Duein" ) )
        {
          train.due = Integer.valueOf( parser.nextText() );
        }
        else if( tag.equals( "Direction" ) )
        {
          String direction = parser.nextText();

          if( direction.equals( "Northbound" ) )
          {
            train.direction = IrishRailApi.TrainInfo.Direction.NORTH;
          }
          else
          {
            train.direction = IrishRailApi.TrainInfo.Direction.SOUTH;
          }
        }
      }
      break;

      case XmlPullParser.END_TAG:
      {
        String tag = parser.getName();

        if( tag.equals( "objStationData" ) )
        {
          trains.add( train );
        }
      }
      break;
      }

      event = parser.next();
    }

    return trains;
  }
}

Java Source Code List

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