Mega Code Archive
MIDlet to fetch a page using an HttpConnection
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/* License
*
* Copyright 1994-2004 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
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*
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* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
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* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
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*/
import java.io.*;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
/**
* An example MIDlet to fetch a page using an HttpConnection.
*/
public class SecondExample extends MIDlet {
private Display display;
private String url = "http://www.javacourses.com/hello.txt";
public SecondExample() {
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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