32 import java.nio.ByteBuffer;
33 import java.nio.charset.Charset;
34 import java.nio.charset.CharsetDecoder;
35 import java.nio.charset.CharsetEncoder;
36 import java.nio.charset.CoderResult;
37 import static sun.nio.cs.CharsetMapping.*;
38
39 // EBCDIC DBCS-only Korean
40 public class IBM834 extends Charset
41 {
42 public IBM834() {
43 super("x-IBM834", ExtendedCharsets.aliasesFor("x-IBM834"));
44 }
45
46 public boolean contains(Charset cs) {
47 return (cs instanceof IBM834);
48 }
49
50 public CharsetDecoder newDecoder() {
51 IBM933.initb2c();
52 return new DoubleByte.Decoder_EBCDIC_DBCSONLY(
53 this, IBM933.b2c, 0x40, 0xfe); // hardcode the b2min/max
54 }
55
56 public CharsetEncoder newEncoder() {
57 IBM933.initc2b();
58 return new Encoder(this);
59 }
60
61 protected static class Encoder extends DoubleByte.Encoder_EBCDIC_DBCSONLY {
62 public Encoder(Charset cs) {
63 super(cs, new byte[] {(byte)0xfe, (byte)0xfe},
64 IBM933.c2b, IBM933.c2bIndex);
65 }
66
67 public int encodeChar(char ch) {
68 int bb = super.encodeChar(ch);
69 if (bb == UNMAPPABLE_ENCODING) {
70 // Cp834 has 6 additional non-roundtrip char->bytes
71 // mappings, see#6379808
72 if (ch == '\u00b7') {
73 return 0x4143;
74 } else if (ch == '\u00ad') {
75 return 0x4148;
76 } else if (ch == '\u2015') {
77 return 0x4149;
78 } else if (ch == '\u223c') {
79 return 0x42a1;
80 } else if (ch == '\uff5e') {
81 return 0x4954;
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32 import java.nio.ByteBuffer;
33 import java.nio.charset.Charset;
34 import java.nio.charset.CharsetDecoder;
35 import java.nio.charset.CharsetEncoder;
36 import java.nio.charset.CoderResult;
37 import static sun.nio.cs.CharsetMapping.*;
38
39 // EBCDIC DBCS-only Korean
40 public class IBM834 extends Charset
41 {
42 public IBM834() {
43 super("x-IBM834", ExtendedCharsets.aliasesFor("x-IBM834"));
44 }
45
46 public boolean contains(Charset cs) {
47 return (cs instanceof IBM834);
48 }
49
50 public CharsetDecoder newDecoder() {
51 IBM933.initb2c();
52 return new DoubleByte.Decoder_DBCSONLY(
53 this, IBM933.b2c, null, 0x40, 0xfe); // hardcode the b2min/max
54 }
55
56 public CharsetEncoder newEncoder() {
57 IBM933.initc2b();
58 return new Encoder(this);
59 }
60
61 protected static class Encoder extends DoubleByte.Encoder_DBCSONLY {
62 public Encoder(Charset cs) {
63 super(cs, new byte[] {(byte)0xfe, (byte)0xfe},
64 IBM933.c2b, IBM933.c2bIndex);
65 }
66
67 public int encodeChar(char ch) {
68 int bb = super.encodeChar(ch);
69 if (bb == UNMAPPABLE_ENCODING) {
70 // Cp834 has 6 additional non-roundtrip char->bytes
71 // mappings, see#6379808
72 if (ch == '\u00b7') {
73 return 0x4143;
74 } else if (ch == '\u00ad') {
75 return 0x4148;
76 } else if (ch == '\u2015') {
77 return 0x4149;
78 } else if (ch == '\u223c') {
79 return 0x42a1;
80 } else if (ch == '\uff5e') {
81 return 0x4954;
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