28 lines
862 B
Java
28 lines
862 B
Java
//: network/Dgram.java
|
|
// ©2015 MindView LLC: see Copyright.txt
|
|
// A utility class to convert back and forth
|
|
// Between Strings and DataGramPackets.
|
|
import java.net.*;
|
|
|
|
public class Dgram {
|
|
public static DatagramPacket toDatagram(
|
|
String s, InetAddress destIA, int destPort) {
|
|
// Deprecated in Java 1.1, but it works:
|
|
byte[] buf = new byte[s.length() + 1];
|
|
s.getBytes(0, s.length(), buf, 0);
|
|
// The correct Java 1.1 approach, but it's
|
|
// Broken (it truncates the String):
|
|
// byte[] buf = s.getBytes();
|
|
return new DatagramPacket(buf, buf.length,
|
|
destIA, destPort);
|
|
}
|
|
public static String toString(DatagramPacket p){
|
|
// The Java 1.0 approach:
|
|
// return new String(p.getData(),
|
|
// 0, 0, p.getLength());
|
|
// The Java 1.1 approach:
|
|
return
|
|
new String(p.getData(), 0, p.getLength());
|
|
}
|
|
} ///:~
|