routinginputstream.java

JAVA网络编程技术内幕一书的源代码

/*
 * Java Network Programming, Second Edition
 * Merlin Hughes, Michael Shoffner, Derek Hamner
 * Manning Publications Company; ISBN 188477749X
 *
 * http://nitric.com/jnp/
 *
 * Copyright (c) 1997-1999 Merlin Hughes, Michael Shoffner, Derek Hamner;
 * all rights reserved; see license.txt for details.
 */

import java.io.*;

public class RoutingInputStream extends MessageInput {
  protected MessageInput messageIn;
  
  public RoutingInputStream (MessageInput messageIn) {
    super (messageIn);
    this.messageIn = messageIn;
  }

  protected String[] targets;
  
  public void receive () throws IOException {
    messageIn.receive ();
    int n = messageIn.readInt ();
    if (n < 0) {
      targets = null;
    } else {
      targets = new String[n];
      for (int j = 0; j < n; ++ j)
        targets[j] = messageIn.readUTF ();
    }
  }

  public String[] getTargets () {
    return targets;
  }
}