| Methods Summary |
|---|
| public void | addName()
input = new TextBox("Enter first name:", "", 5, TextField.ANY);
input.addCommand(submitCommand);
input.addCommand(backCommand);
input.setCommandListener(this);
input.setString("");
display.setCurrent(input);
|
| public void | commandAction(Command c, Displayable d)
String label = c.getLabel();
if (label.equals("Exit")) {
destroyApp(true);
} else if (label.equals("Back")) {
mainMenu();
} else if (label.equals("Submit")) {
user = input.getString();
try {
invokeServlet(url);
}catch(IOException e) {}
} else {
addName();
}
|
| public void | destroyApp(boolean unconditional)
notifyDestroyed();
|
| void | invokeServlet(java.lang.String url)
HttpConnection c = null;
InputStream is = null;
OutputStream os = null;
StringBuffer b = new StringBuffer();
TextBox t = null;
try {
c = (HttpConnection)Connector.open(url);
c.setRequestMethod(HttpConnection.POST);
c.setRequestProperty("CONTENT-TYPE","application/x-www-form-urlencoded");
c.setRequestProperty("User-Agent","Profile/MIDP-1.0 Confirguration/CLDC-1.0");
c.setRequestProperty("Content-Language", "en-CA");
os = c.openOutputStream();
String str = "name="+user;
byte postmsg[] = str.getBytes();
System.out.println("Length: "+str.getBytes());
for(int i=0;i<postmsg.length;i++) {
os.write(postmsg[i]);
}
// or you can easily do:
//os.write(("name="+user).getBytes());
os.flush();
is = c.openDataInputStream();
int ch;
while ((ch = is.read()) != -1) {
b.append((char) ch);
System.out.print((char)ch);
}
t = new TextBox("Second Servlet", b.toString(), 1024, 0);
t.addCommand(backCommand);
t.setCommandListener(this);
} finally {
if(is!= null) {
is.close();
}
if(os != null) {
os.close();
}
if(c != null) {
c.close();
}
}
display.setCurrent(t);
|
| void | mainMenu()
display.setCurrent(menu);
|
| public void | pauseApp()
|
| public void | startApp()
display = Display.getDisplay(this);
menu = new List("Invoke Servlet", Choice.IMPLICIT);
menu.append("Add a user", null);
menu.addCommand(exitCommand);
menu.setCommandListener(this);
mainMenu();
|
