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1 package com.jofti.util;
2
3 import java.io.InputStream  ;
4 import java.nio.ByteBuffer ;
5
6
7
8 public class ByteBufferArrayInputStream extends InputStream {
9
10 protected ByteBuffer buf = null;
11
12
13
14 public ByteBufferArrayInputStream(ByteBuffer buf) {
15 this.buf = buf;
16
17 }
18
19
20
21 public final void resetData(ByteBuffer buf) {
22 this.buf = buf;
23 }
24
25 public final int available() {
26 return buf.remaining();
27 }
28
29 public final int read() {
30 return buf.get();
31 }
32
33 public final int read(byte[] b, int off, int len) {
34
35
36 if (len > buf.remaining())
37 len = (buf.remaining());
38
39 buf.get(b,off,len);
40
41 return len;
42 }
43
44 public final long skip(long n) {
45 if (n >buf.remaining())
46 n = buf.remaining();
47 if (n < 0)
48 return 0;
49 buf.position(buf.position()+(int)n);
50 return n;
51 }
52
53 }
54
55 |
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