src/org/xwt/util/KnownLength.java

   1 // Copyright 2003 Adam Megacz, see the COPYING file for licensing [GPL]
   2 package org.xwt.util;
   3 import java.io.*;
   4
   5 /** a generic interface for things that "know" their length */
   6 public interface KnownLength {
   7
   8     public abstract int getLength();
   9
  10     public static class KnownLengthInputStream extends FilterInputStream implements KnownLength {
  11         int length;
  12         public int getLength() { return length; }
  13         public KnownLengthInputStream(java.io.InputStream parent, int length) {
  14             super(parent);
  15             this.length = length;
  16         }
  17     }
  18
  19 }