Fetch Page Midlet : Networks « J2ME « Java
Fetch Page Midlet
/*
Learning Wireless Java
Help for New J2ME Developers
By Qusay Mahmoud
ISBN: 0-596-00243-2
*/
import java.io.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class FetchPageMidlet extends MIDlet {
private Display display;
String url = "http://www.javacourses.com/hello.txt";
public FetchPageMidlet() {
display = Display.getDisplay(this);
}
/**
* This will be invoked when we start the MIDlet
*/
public void startApp() {
try {
getViaStreamConnection(url);
} catch (IOException e) {
//Handle Exceptions any other way you like.
System.out.println("IOException " + e);
e.printStackTrace();
}
}
/**
* Pause, discontinue ....
*/
public void pauseApp() {
}
/**
* Destroy must cleanup everything.
*/
public void destroyApp(boolean unconditional) {
}
/**
* read url via stream connection
*/
void getViaStreamConnection(String url) throws IOException {
StreamConnection c = null;
InputStream s = null;
StringBuffer b = new StringBuffer();
TextBox t = null;
try {
c = (StreamConnection)Connector.open(url);
s = c.openInputStream();
int ch;
while((ch = s.read()) != -1) {
b.append((char) ch);
}
System.out.println(b.toString());
t = new TextBox("Fetch Page", b.toString(), 1024, 0);
} finally {
if(s != null) {
s.close();
}
if(c != null) {
c.close();
}
}
// display the contents of the file in a text box.
display.setCurrent(t);
}
}
