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comparison src/org/tn5250j/encoding/builtin/CodepageConverterAdapter.java @ 112:77ac18bc1b2f

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cleanup java formatting
author Carl Byington <carl@five-ten-sg.com>
date Wed, 18 Jun 2014 13:03:01 -0700
parents b29b39f386a4
children
comparison
equal deleted inserted replaced
111:6a0ad4d384ea 112:77ac18bc1b2f
1 /** 1 /**
2 * $Id$ 2 * $Id$
3 * 3 *
4 * Title: tn5250J 4 * Title: tn5250J
5 * Copyright: Copyright (c) 2001,2009 5 * Copyright: Copyright (c) 2001,2009
6 * Company: 6 * Company:
7 * @author: master_jaf 7 * @author: master_jaf
8 * 8 *
28 28
29 import java.util.Arrays; 29 import java.util.Arrays;
30 30
31 /** 31 /**
32 * Adapter class for converters using 8bit codepages. 32 * Adapter class for converters using 8bit codepages.
33 * 33 *
34 * @author master_jaf 34 * @author master_jaf
35 */ 35 */
36 public abstract class CodepageConverterAdapter implements ICodepageConverter { 36 public abstract class CodepageConverterAdapter implements ICodepageConverter {
37
38 private char[] codepage = null;
39 private int[] reverse_codepage = null;
40
41 /* (non-Javadoc)
42 * @see org.tn5250j.cp.ICodepageConverter#init()
43 */
44 public ICodepageConverter init() {
45 codepage = getCodePage();
46
47 int size = 0;
48 for (int i=0; i<codepage.length; i++) {
49 size = Math.max(size, codepage[i]);
50 }
51 assert (size + 1) < 1024*1024; // some kind of maximum size limiter.
52 reverse_codepage = new int[size+1];
53 Arrays.fill(reverse_codepage, '?');
54 for (int i=0; i<codepage.length; i++) {
55 reverse_codepage[codepage[i]] = i;
56 }
57 return this;
58 }
59
60 /* (non-Javadoc)
61 * @see org.tn5250j.cp.ICodepageConverter#uni2ebcdic(char)
62 */
63 public byte uni2ebcdic(char index) {
64 assert index < reverse_codepage.length;
65 return (byte)reverse_codepage[index];
66 }
67
68 /* (non-Javadoc)
69 * @see org.tn5250j.cp.ICodepageConverter#ebcdic2uni(int)
70 */
71 public char ebcdic2uni(int index) {
72 index = index & 0xFF;
73 assert index < 256;
74 return codepage[index];
75 }
76 37
77 /** 38 private char[] codepage = null;
78 * @return The oringal 8bit codepage. 39 private int[] reverse_codepage = null;
79 */ 40
80 protected abstract char[] getCodePage(); 41 /* (non-Javadoc)
81 42 * @see org.tn5250j.cp.ICodepageConverter#init()
43 */
44 public ICodepageConverter init() {
45 codepage = getCodePage();
46 int size = 0;
47
48 for (int i = 0; i < codepage.length; i++) {
49 size = Math.max(size, codepage[i]);
50 }
51
52 assert(size + 1) < 1024 * 1024; // some kind of maximum size limiter.
53 reverse_codepage = new int[size + 1];
54 Arrays.fill(reverse_codepage, '?');
55
56 for (int i = 0; i < codepage.length; i++) {
57 reverse_codepage[codepage[i]] = i;
58 }
59
60 return this;
61 }
62
63 /* (non-Javadoc)
64 * @see org.tn5250j.cp.ICodepageConverter#uni2ebcdic(char)
65 */
66 public byte uni2ebcdic(char index) {
67 assert index < reverse_codepage.length;
68 return (byte)reverse_codepage[index];
69 }
70
71 /* (non-Javadoc)
72 * @see org.tn5250j.cp.ICodepageConverter#ebcdic2uni(int)
73 */
74 public char ebcdic2uni(int index) {
75 index = index & 0xFF;
76 assert index < 256;
77 return codepage[index];
78 }
79
80 /**
81 * @return The oringal 8bit codepage.
82 */
83 protected abstract char[] getCodePage();
84
82 } 85 }