Android Open Source - android-AppPuntalRadio Radio Programming Manager

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From Project

Back to project page android-AppPuntalRadio.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.ivanob.puntalradio.model;
//  w ww . j  av a  2 s  .  co  m
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.LinkedList;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;

import com.ivanob.puntalradio.R;
import com.ivanob.puntalradio.R.xml;

import android.content.Context;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.graphics.drawable.Drawable;

public class RadioProgrammingManager {

  private static RadioProgrammingManager instance = null;
  private LinkedList<RadioProgram> listPrograms;
  private Resources res;
  
  public int getNumPrograms(){
    return listPrograms.size();
  }
  
  public RadioProgram getProgram(int pos){
    return listPrograms.get(pos);
  }
  
  public static RadioProgrammingManager getInstance(Resources res) {
    if(instance == null) {
      instance = new RadioProgrammingManager(res);
    }
    return instance;
  }
  
  private RadioProgrammingManager(Resources res){
    this.res = res;
    listPrograms = new LinkedList<RadioProgram>();
    readXMLProgramming();
  }

  private void readXMLProgramming() {
    try {
      XmlResourceParser xpp=res.getXml(R.xml.programacion);
        
        parsePrograms(xpp);

      } catch (Exception e) {
      e.printStackTrace();
      }
  }

  private LinkedList<RadioProgram> parsePrograms(XmlResourceParser xpp) throws XmlPullParserException, IOException {
    int eventType = xpp.getEventType();
    String text=null;
    RadioProgram program = new RadioProgram();
    while(eventType != XmlPullParser.END_DOCUMENT){
      String tagname = xpp.getName();
      switch(eventType){  
        case XmlPullParser.START_TAG:
          if(tagname.equalsIgnoreCase("programa")){
            program = new RadioProgram();
            String progName=xpp.getAttributeValue(null, "nombre");
            program.setNombre(progName);
          }
          break;
        case XmlPullParser.TEXT:
                    text = xpp.getText();
                    break;
        case XmlPullParser.END_TAG:
          if (tagname.equalsIgnoreCase("programa")) {
            listPrograms.add(program);
                    }else if (tagname.equalsIgnoreCase("fichero")) {
                        String s = text;
                      program.setFicheroDesc(s);
                    }else if (tagname.equalsIgnoreCase("podcast")) {
                        String s = text;
                      program.addMediaURL("podcast", s);
                    }else if (tagname.equalsIgnoreCase("facebook")) {
                      String s = text;
                      program.addMediaURL("facebook", s);
                    }else if (tagname.equalsIgnoreCase("blog")) {
                      String s = text;
                      program.addMediaURL("blog", s);
                    }  
          break;
          
      }
      eventType = xpp.next();
    }
    return null;
  }
  
  public void loadProgramDetails(RadioProgram prog, Context ctx) throws XmlPullParserException, IOException{
    if(prog.getDescripcion()!=null){ //The info is already loaded
      return;
    }
    String nombreProg = prog.getFicheroDesc();
    String nombreSinExtension = nombreProg.substring(0, nombreProg.lastIndexOf('.'));
    int idProg = getResId(nombreSinExtension, "xml", ctx);
    XmlResourceParser xpp=res.getXml(idProg);
    int eventType = xpp.getEventType();
    String text=null;
    while(eventType != XmlPullParser.END_DOCUMENT){
      String tagname = xpp.getName();
      switch(eventType){  
        case XmlPullParser.START_TAG:
          if(tagname.equalsIgnoreCase("programa")){
          }
          break;
        case XmlPullParser.TEXT:
                    text = xpp.getText();
                    break;
        case XmlPullParser.END_TAG:
          if (tagname.equalsIgnoreCase("programa")) {
                    }else if (tagname.equalsIgnoreCase("nombre")) {
                        String s = text;
                      prog.setNombreLargo(s);
                    }else if (tagname.equalsIgnoreCase("logo")) {
                      String s = text;
                      s = s.substring(0, s.lastIndexOf('.'));
                      int idLogo = getResId(s, "drawable", ctx);
                      prog.setIdLogo(idLogo);
                    }else if (tagname.equalsIgnoreCase("descripcion")) {
                      String s = text;
                      s = s.replaceAll("[\n\r]", "");
                      s = s.trim().replaceAll(" +", " ");
                      prog.setDescripcion(s);
                    }else if (tagname.equalsIgnoreCase("horario")) {
                      String s = text;
                      s = s.replaceAll("[\n\r]", "");
                      s = s.replaceAll("\r", "");
                      prog.setHorario(s);
                    }  
          break;
          
      }
      eventType = xpp.next();
    }
  }
  
  public static int getResId(String variableName, String type, Context ctx) {
    return ctx.getResources().getIdentifier(variableName, type, ctx.getPackageName());
  }
}

Java Source Code List

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