ExposedByteArrayInputStream


1   package org.jgroups.util;
2   
3   import java.io.ByteArrayInputStream  ;
4   
5   /**
6    * @author Bela Ban
7    * @version $Id: ExposedByteArrayInputStream.java,v 1.1 2005/07/25 15:53:36 belaban Exp $
8    */
9   public class ExposedByteArrayInputStream extends ByteArrayInputStream   {
10  
11      
12      /**
13       * Creates a <code>ByteArrayInputStream</code>
14       * so that it  uses <code>buf</code> as its
15       * buffer array.
16       * The buffer array is not copied.
17       * The initial value of <code>pos</code>
18       * is <code>0</code> and the initial value
19       * of  <code>count</code> is the length of
20       * <code>buf</code>.
21       *
22       * @param buf the input buffer.
23       */
24      public ExposedByteArrayInputStream(byte[] buf) {
25          super(buf);
26      }
27  
28      /**
29       * Creates <code>ByteArrayInputStream</code>
30       * that uses <code>buf</code> as its
31       * buffer array. The initial value of <code>pos</code>
32       * is <code>offset</code> and the initial value
33       * of <code>count</code> is the minimum of <code>offset+length</code>
34       * and <code>buf.length</code>.
35       * The buffer array is not copied. The buffer's mark is
36       * set to the specified offset.
37       *
38       * @param buf    the input buffer.
39       * @param offset the offset in the buffer of the first byte to read.
40       * @param length the maximum number of bytes to read from the buffer.
41       */
42      public ExposedByteArrayInputStream(byte[] buf, int offset, int length) {
43          super(buf, offset, length);
44      }
45  
46      public void setData(byte[] buf, int offset, int length) {
47          this.buf = buf;
48          this.pos = offset;
49          this.count = Math.min(offset + length, buf.length);
50          this.mark = offset;
51      }
52  
53  
54  }
55
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