Android Open Source - favouritetv Meo Parser

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License

The source code is released under:

Copyright (c) 2011 Andr? Prata<andreprata@ua.pt> Eriksson Monteiro<eriksson.monteiro@ua.pt> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associat...

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Java Source Code

package pt.ua.code.ws;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.LinkedList;
/*from   w  w w. j  av a  2s . c  o  m*/
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.helpers.DefaultHandler;



public class MeoParser extends DefaultHandler{
  private final String xml;
  private String tagvalue;
  private Channel tmpChannel;
  private Program tmpProgram;
  private LinkedList<Channel> channels;
  private LinkedList<Program> programs;
  
  private SimpleDateFormat df=  new SimpleDateFormat ("yyyy-MM-dd hh:mm:ss");
  private enum PARSEMODE {
    Channel, Program
  };
  PARSEMODE mode = null;
  
  public MeoParser(String xml) {
    this.xml=xml;
    
  }
  
  public LinkedList<Program> getProgramsFromXML(){
    programs = new LinkedList<Program>();
    mode=PARSEMODE.Program;
    startParse();
    return programs;
  }
  
  public LinkedList<Channel> getChannelFromXML(){
    channels = new LinkedList<Channel>();
    mode=PARSEMODE.Channel;
    startParse();
    return channels;
  }
  private void startParse(){
    SAXParserFactory spf = SAXParserFactory.newInstance();
    try {

      SAXParser sp = spf.newSAXParser();
      if(xml==null || xml.compareTo("")==0)
        return;
      sp.parse(new InputSource(new java.io.StringReader(xml)), this);

    } catch (SAXException se) {
      se.printStackTrace();
    } catch (ParserConfigurationException pce) {
      pce.printStackTrace();
    } catch (IOException ie) {
      ie.printStackTrace();
    }
  }
  @Override
  public void characters(char[] ch, int start, int length)
      throws SAXException {
    
    tagvalue += new String(ch, start, length);
  }
  @Override
  public void startElement(String uri, String localName, String qName,
      Attributes attributes) throws SAXException {
    tagvalue="";
    if (localName.equalsIgnoreCase("Program")) {
      tmpProgram=new Program();
      programs.add(tmpProgram);
    }else if (localName.equalsIgnoreCase("Channel")) {
      tmpChannel=new Channel();
      channels.add(tmpChannel);
    }
    
  }
  @Override
  public void endElement(String uri, String localName, String qName)
      throws SAXException {
    if(mode==PARSEMODE.Channel){
      if (localName.equalsIgnoreCase("Name")&& (tmpChannel.getName()==null || tmpChannel.getName().compareTo("")==0)) {
        tmpChannel.setName(tagvalue);
      }else if (localName.equalsIgnoreCase("Sigla")) {
        tmpChannel.setSigla(tagvalue);
      }
    }else if(mode == PARSEMODE.Program){
      if (localName.equalsIgnoreCase("Id") && (tmpProgram.getId()==null || tmpProgram.getId().compareTo("")==0)) {
        tmpProgram.setId(tagvalue);
      }else if (localName.equalsIgnoreCase("Title")) {
        tmpProgram.setName(tagvalue);
      }else if (localName.equalsIgnoreCase("Description") && (tmpProgram.getDescription()==null || tmpProgram.getDescription().compareTo("")==0)) {
        tmpProgram.setDescription(tagvalue);
      }else if (localName.equalsIgnoreCase("StartTime")) {
        try {
          tmpProgram.setBegin( df.parse(tagvalue));
        } catch (ParseException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }else if (localName.equalsIgnoreCase("EndTime")) {
        try {
          tmpProgram.setEnd(df.parse(tagvalue));
        } catch (ParseException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
        }
      }
    }
  }
}

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