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