Accessing Web Services - Beginning Java ME Platform - page 350

/** Creates a new instance of WeatherFetcher */
public WeatherFetcher(Location l, WeatherWidget a) {
location = l;
app=a;
cancelled = false;
if (l!=null && a!=null) {
Thread thread = new Thread(this);
thread.start();
}
}
public void cancel() {
cancelled = true;
}
private static String urlEncode(String s)
{
if (s!=null) {
StringBuffer tmp = new StringBuffer();
int i=0;
try {
while (true) {
int b = (int)s.charAt(i++);
if ((b>=0x30 && b<=0x39) ||
(b>=0x41 && b<=0x5A) ||
(b>=0x61 && b<=0x7A)) {
tmp.append((char)b);
} else {
tmp.append("%");
if (b <= 0xf) tmp.append("0");
tmp.append(Integer.toHexString(b));
}
}
}
catch (Exception e) {}
return tmp.toString();
}
return null;
}