Mega Code Archive
An example MIDlet to invoke a CGI script
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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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* this list of conditions and the following disclaimer.
*
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*
* Neither the name of Sun Microsystems, Inc. or the names of contributors
* 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
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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 invoke a CGI script.
*/
public class FirstMidletServlet extends MIDlet {
private Display display;
String url = "http://127.0.0.1/HelloServlet";
public FirstMidletServlet() {
display = Display.getDisplay(this);
}
/**
* Initialization. Invoked when we activate the MIDlet.
*/
public void startApp() {
try {
invokeServlet(url);
} catch (IOException e) {
System.out.println("IOException " + e);
e.printStackTrace();
}
}
/**
* Pause, discontinue ....
*/
public void pauseApp() {
}
/**
* Destroy must cleanup everything.
*/
public void destroyApp(boolean unconditional) {
}
/**
* Prepare connection and streams then invoke servlet.
*/
void invokeServlet(String url) throws IOException {
HttpConnection c = null;
InputStream is = null;
StringBuffer b = new StringBuffer();
TextBox t = null;
try {
c = (HttpConnection) Connector.open(url);
c.setRequestMethod(HttpConnection.GET);
c.setRequestProperty("IF-Modified-Since", "20 Jan 2001 16:19:14 GMT");
c.setRequestProperty("User-Agent",
"Profile/MIDP-1.0 Configuration/CLDC-1.0");
c.setRequestProperty("Content-Language", "en-CA");
is = c.openDataInputStream();
int ch;
while ((ch = is.read()) != -1) {
b.append((char) ch);
// System.out.println((char)ch);
}
t = new TextBox("First Servlet", b.toString(), 1024, 0);
} finally {
if (is != null) {
is.close();
}
if (c != null) {
c.close();
}
}
display.setCurrent(t);
}
}
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