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1 package org.jruby.charset;
2
3 import java.nio.ByteBuffer  ;
4 import java.nio.CharBuffer ;
5 import java.nio.charset.Charset ;
6 import java.nio.charset.CharsetDecoder ;
7 import java.nio.charset.CharsetEncoder ;
8 import java.nio.charset.CoderResult ;
9
10 public class PlainCharset extends Charset {
11 public PlainCharset() {
12 super("PLAIN", new String [0]);
13 }
14 public boolean contains(final Charset chs) {
15 return chs instanceof PlainCharset;
16 }
17
18 public CharsetDecoder newDecoder() {
19 return new PlainCharsetDecoder(this);
20 }
21
22 public CharsetEncoder newEncoder() {
23 return new PlainCharsetEncoder(this);
24 }
25
26 private static class PlainCharsetDecoder extends CharsetDecoder {
27 PlainCharsetDecoder(final PlainCharset charset) {
28 super(charset,1F,1F);
29 }
30 public CoderResult decodeLoop(final ByteBuffer in, final CharBuffer out) {
31 while(in.remaining() > 0 && out.remaining() > 0) {
32 out.put((char)(in.get() & 0xFF));
33 }
34 if(in.remaining() > 0) {
35 return CoderResult.OVERFLOW;
36 }
37 return CoderResult.UNDERFLOW;
38 }
39 }
40
41 private static class PlainCharsetEncoder extends CharsetEncoder {
42 PlainCharsetEncoder(final PlainCharset charset) {
43 super(charset,1F,1F);
44 }
45 public CoderResult encodeLoop(final CharBuffer in, final ByteBuffer out) {
46 while(in.remaining() > 0 && out.remaining() > 0) {
47 out.put((byte)in.get());
48 }
49 if(in.remaining() > 0) {
50 return CoderResult.OVERFLOW;
51 }
52 return CoderResult.UNDERFLOW;
53 }
54 }
55 }
56 |
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