rssnewsmidlet.java

rss parser for your parser ok...

/*
 * RSSNewsMIDlet.java
 *
 * Created on July 18, 2007, 3:13 PM
 */

package org.secangkirkopipanas.rss;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

/**
 *
 * @author lilik.haryanto
 */
public class RSSNewsMIDlet extends MIDlet implements CommandListener {
    
//    private String[] sourceLinkList = {
//        "http://www.nytimes.com/services/xml/rss/nyt/National.xml"
//    };
    
    private String[] sourceLinkList = {
        "http://localhost:8081/news/NYTNational.xml"
    };    
    
    private int selectedIndex = 0;
    
    private HttpConnection conn;
    
    private DataInputStream dis;
    
    private DataOutputStream dos;
    
    private RSSParser parser;
    
    /** Creates a new instance of RSSNewsMIDlet */
    public RSSNewsMIDlet() {
        initialize();
    }
    
    private List listChannel;//GEN-BEGIN:MVDFields
    private List listNews;
    private Form formDescription;
    private Command okCommand;
    private Command backCommandDesc;
    private Command exitCommand;
    private Command backCommandNews;
    private Alert alertError;//GEN-END:MVDFields
    
//GEN-LINE:MVDMethods

    /** Called by the system to indicate that a command has been invoked on a particular displayable.//GEN-BEGIN:MVDCABegin
     * @param command the Command that ws invoked
     * @param displayable the Displayable on which the command was invoked
     */
    public void commandAction(Command command, Displayable displayable) {//GEN-END:MVDCABegin
    // Insert global pre-action code here
        if (displayable == listChannel) {//GEN-BEGIN:MVDCABody
            if (command == listChannel.SELECT_COMMAND) {
                switch (get_listChannel().getSelectedIndex()) {
                    case 0://GEN-END:MVDCABody
                        selectedIndex = get_listChannel().getSelectedIndex();
                        try {
                            conn = (HttpConnection) Connector.open(sourceLinkList[selectedIndex]);
                            conn.setRequestMethod(HttpConnection.GET);
                            conn.setRequestProperty("Content-Type", "text/xml");
                            dos = new DataOutputStream(conn.openDataOutputStream());
                            parser = new RSSParser(50);
                            parser.parse(new DataInputStream(conn.openDataInputStream()));
                            getDisplay().setCurrent(get_listNews());//GEN-LINE:MVDCAAction13
                            int count = parser.getCount();
                            for (int i = 0; i < count; i++) {
                                get_listNews().append(
                                        parser.getRss().getItems()[i].getTitle() + "\n" + 
                                        parser.getRss().getItems()[i].getPubDate(), null);
                            }
                        } catch (Exception e) {
                            get_alertError().setString(e.getMessage());
                            getDisplay().setCurrent(get_alertError());
                        }
                        break;//GEN-BEGIN:MVDCACase13
                }
            } else if (command == exitCommand) {//GEN-END:MVDCACase13
                // Insert pre-action code here
                exitMIDlet();//GEN-LINE:MVDCAAction32
                // Insert post-action code here
            }//GEN-BEGIN:MVDCACase32
        } else if (displayable == listNews) {
            if (command == okCommand) {//GEN-END:MVDCACase32
                // Insert pre-action code here
                get_formDescription().deleteAll();
                get_formDescription().setTitle(parser.getRss().getItems()[get_listNews().getSelectedIndex()].getTitle());
                get_formDescription().append("Publish Date: " + parser.getRss().getItems()[get_listNews().getSelectedIndex()].getPubDate() + "\n" +
                        parser.getRss().getItems()[get_listNews().getSelectedIndex()].getDescription());
                getDisplay().setCurrent(get_formDescription());//GEN-LINE:MVDCAAction26
                // Insert post-action code here
            } else if (command == backCommandNews) {//GEN-LINE:MVDCACase26
                // Insert pre-action code here
                getDisplay().setCurrent(get_listChannel());//GEN-LINE:MVDCAAction34
                // Insert post-action code here
            }//GEN-BEGIN:MVDCACase34
        } else if (displayable == formDescription) {
            if (command == backCommandDesc) {//GEN-END:MVDCACase34
                // Insert pre-action code here
                getDisplay().setCurrent(get_listNews());//GEN-LINE:MVDCAAction29
                // Insert post-action code here
            }//GEN-BEGIN:MVDCACase29
        }//GEN-END:MVDCACase29
    // Insert global post-action code here
}//GEN-LINE:MVDCAEnd

    /** This method initializes UI of the application.//GEN-BEGIN:MVDInitBegin
     */
    private void initialize() {//GEN-END:MVDInitBegin
        // Insert pre-init code here
        getDisplay().setCurrent(get_listChannel());//GEN-LINE:MVDInitInit
        // Insert post-init code here
    }//GEN-LINE:MVDInitEnd
    
    /**
     * This method should return an instance of the display.
     */
    public Display getDisplay() {//GEN-FIRST:MVDGetDisplay
        return Display.getDisplay(this);
    }//GEN-LAST:MVDGetDisplay
    
    /**
     * This method should exit the midlet.
     */
    public void exitMIDlet() {//GEN-FIRST:MVDExitMidlet
        getDisplay().setCurrent(null);
        destroyApp(true);
        notifyDestroyed();
    }//GEN-LAST:MVDExitMidlet

    /** This method returns instance for listChannel component and should be called instead of accessing listChannel field directly.//GEN-BEGIN:MVDGetBegin2
     * @return Instance for listChannel component
     */
    public List get_listChannel() {
        if (listChannel == null) {//GEN-END:MVDGetBegin2
            // Insert pre-init code here
            listChannel = new List("The Channels:", Choice.IMPLICIT, new String[] {"US News"}, new Image[] {null});//GEN-BEGIN:MVDGetInit2
            listChannel.addCommand(get_exitCommand());
            listChannel.setCommandListener(this);
            listChannel.setSelectedFlags(new boolean[] {false});//GEN-END:MVDGetInit2
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd2
        return listChannel;
    }//GEN-END:MVDGetEnd2

    /** This method returns instance for listNews component and should be called instead of accessing listNews field directly.//GEN-BEGIN:MVDGetBegin6
     * @return Instance for listNews component
     */
    public List get_listNews() {
        if (listNews == null) {//GEN-END:MVDGetBegin6
            // Insert pre-init code here
            listNews = new List("List of News", Choice.IMPLICIT, new String[0], new Image[0]);//GEN-BEGIN:MVDGetInit6
            listNews.addCommand(get_okCommand());
            listNews.addCommand(get_backCommandNews());
            listNews.setCommandListener(this);
            listNews.setSelectedFlags(new boolean[0]);//GEN-END:MVDGetInit6
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd6
        return listNews;
    }//GEN-END:MVDGetEnd6

    /** This method returns instance for formDescription component and should be called instead of accessing formDescription field directly.//GEN-BEGIN:MVDGetBegin23
     * @return Instance for formDescription component
     */
    public Form get_formDescription() {
        if (formDescription == null) {//GEN-END:MVDGetBegin23
            // Insert pre-init code here
            formDescription = new Form(null, new Item[0]);//GEN-BEGIN:MVDGetInit23
            formDescription.addCommand(get_backCommandDesc());
            formDescription.setCommandListener(this);//GEN-END:MVDGetInit23
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd23
        return formDescription;
    }//GEN-END:MVDGetEnd23
 
    /** This method returns instance for okCommand component and should be called instead of accessing okCommand field directly.//GEN-BEGIN:MVDGetBegin25
     * @return Instance for okCommand component
     */
    public Command get_okCommand() {
        if (okCommand == null) {//GEN-END:MVDGetBegin25
            // Insert pre-init code here
            okCommand = new Command("Ok", Command.OK, 1);//GEN-LINE:MVDGetInit25
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd25
        return okCommand;
    }//GEN-END:MVDGetEnd25

    /** This method returns instance for backCommandDesc component and should be called instead of accessing backCommandDesc field directly.//GEN-BEGIN:MVDGetBegin28
     * @return Instance for backCommandDesc component
     */
    public Command get_backCommandDesc() {
        if (backCommandDesc == null) {//GEN-END:MVDGetBegin28
            // Insert pre-init code here
            backCommandDesc = new Command("Back", Command.BACK, 1);//GEN-LINE:MVDGetInit28
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd28
        return backCommandDesc;
    }//GEN-END:MVDGetEnd28

    /** This method returns instance for exitCommand component and should be called instead of accessing exitCommand field directly.//GEN-BEGIN:MVDGetBegin31
     * @return Instance for exitCommand component
     */
    public Command get_exitCommand() {
        if (exitCommand == null) {//GEN-END:MVDGetBegin31
            // Insert pre-init code here
            exitCommand = new Command("Exit", Command.EXIT, 1);//GEN-LINE:MVDGetInit31
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd31
        return exitCommand;
    }//GEN-END:MVDGetEnd31

    /** This method returns instance for backCommandNews component and should be called instead of accessing backCommandNews field directly.//GEN-BEGIN:MVDGetBegin33
     * @return Instance for backCommandNews component
     */
    public Command get_backCommandNews() {
        if (backCommandNews == null) {//GEN-END:MVDGetBegin33
            // Insert pre-init code here
            backCommandNews = new Command("Back", Command.BACK, 1);//GEN-LINE:MVDGetInit33
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd33
        return backCommandNews;
    }//GEN-END:MVDGetEnd33

    /** This method returns instance for alertError component and should be called instead of accessing alertError field directly.//GEN-BEGIN:MVDGetBegin35
     * @return Instance for alertError component
     */
    public Alert get_alertError() {
        if (alertError == null) {//GEN-END:MVDGetBegin35
            // Insert pre-init code here
            alertError = new Alert("Error Found", "<Enter Text>", null, null);//GEN-BEGIN:MVDGetInit35
            alertError.setTimeout(-2);//GEN-END:MVDGetInit35
            // Insert post-init code here
        }//GEN-BEGIN:MVDGetEnd35
        return alertError;
    }//GEN-END:MVDGetEnd35
    
    public void startApp() {
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
}