Mega Code Archive
An example MIDlet to fetch a page using an HttpConnection
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/* License
*
* Copyright 1994-2004 Sun Microsystems, Inc. All Rights Reserved.
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* are met:
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*
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* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
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import java.io.IOException;
import java.io.InputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.TextBox;
import javax.microedition.midlet.MIDlet;
/**
* An example MIDlet to fetch a page using an HttpConnection.
*/
public class J2MESecondExample extends MIDlet {
private Display display;
private String url = "http://www.y.com/hello.txt";
public J2MESecondExample() {
display = Display.getDisplay(this);
}
/**
* This will be invoked when we activate the MIDlet.
*/
public void startApp() {
// Use the specified URL is overriden in the descriptor
try {
downloadPage(url);
} catch (IOException e) {
// handle the exception
}
}
private void downloadPage(String url) throws IOException {
StringBuffer b = new StringBuffer();
InputStream is = null;
HttpConnection c = null;
TextBox t = null;
try {
long len = 0;
int ch = 0;
c = (HttpConnection) Connector.open(url);
is = c.openInputStream();
len = c.getLength();
if (len != -1) {
// Read exactly Content-Length bytes
for (int i = 0; i < len; i++)
if ((ch = is.read()) != -1)
b.append((char) ch);
} else {
// Read till the connection is closed.
while ((ch = is.read()) != -1) {
len = is.available();
b.append((char) ch);
}
}
t = new TextBox("hello again....", b.toString(), 1024, 0);
} finally {
is.close();
c.close();
}
display.setCurrent(t);
}
/**
* Pause, discontinue....
*/
public void pauseApp() {
}
/**
* Destroy must cleanup everything.
*/
public void destroyApp(boolean unconditional) {
}
}
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