Mercurial > 510Connectbot
annotate src/org/tn5250j/encoding/BuiltInCodePageFactory.java @ 25:5949eb469a79 tn5250
adding tn5250 files, native android logging
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Tue, 03 Jun 2014 12:10:21 -0700 |
| parents | cbdff98c45ea |
| children | b29b39f386a4 |
| rev | line source |
|---|---|
| 5 | 1 /** |
| 2 * $Id$ | |
| 3 * | |
| 4 * Title: tn5250J | |
| 5 * Copyright: Copyright (c) 2001,2012 | |
| 6 * Company: | |
| 7 * @author: master_jaf | |
| 8 * | |
| 9 * Description: | |
| 10 * | |
| 11 * This program is free software; you can redistribute it and/or modify | |
| 12 * it under the terms of the GNU General Public License as published by | |
| 13 * the Free Software Foundation; either version 2, or (at your option) | |
| 14 * any later version. | |
| 15 * | |
| 16 * This program is distributed in the hope that it will be useful, | |
| 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 * GNU General Public License for more details. | |
| 20 * | |
| 21 * You should have received a copy of the GNU General Public License | |
| 22 * along with this software; see the file COPYING. If not, write to | |
| 23 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
| 24 * Boston, MA 02111-1307 USA | |
| 25 * | |
| 26 */ | |
| 27 package org.tn5250j.encoding; | |
| 28 | |
| 29 import java.lang.reflect.Constructor; | |
| 30 import java.util.ArrayList; | |
| 31 import java.util.HashSet; | |
| 32 import java.util.List; | |
| 33 | |
| 34 import org.tn5250j.encoding.builtin.CCSID1025; | |
| 35 import org.tn5250j.encoding.builtin.CCSID1026; | |
| 36 import org.tn5250j.encoding.builtin.CCSID1112; | |
| 37 import org.tn5250j.encoding.builtin.CCSID1140; | |
| 38 import org.tn5250j.encoding.builtin.CCSID1141; | |
| 39 import org.tn5250j.encoding.builtin.CCSID1147; | |
| 40 import org.tn5250j.encoding.builtin.CCSID1148; | |
| 41 import org.tn5250j.encoding.builtin.CCSID273; | |
| 42 import org.tn5250j.encoding.builtin.CCSID277; | |
| 43 import org.tn5250j.encoding.builtin.CCSID278; | |
| 44 import org.tn5250j.encoding.builtin.CCSID280; | |
| 45 import org.tn5250j.encoding.builtin.CCSID284; | |
| 46 import org.tn5250j.encoding.builtin.CCSID285; | |
| 47 import org.tn5250j.encoding.builtin.CCSID297; | |
| 48 import org.tn5250j.encoding.builtin.CCSID37; | |
| 49 import org.tn5250j.encoding.builtin.CCSID424; | |
| 50 import org.tn5250j.encoding.builtin.CCSID500; | |
| 51 import org.tn5250j.encoding.builtin.CCSID870; | |
| 52 import org.tn5250j.encoding.builtin.CCSID871; | |
| 53 import org.tn5250j.encoding.builtin.CCSID875; | |
| 54 import org.tn5250j.encoding.builtin.ICodepageConverter; | |
|
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5949eb469a79
adding tn5250 files, native android logging
Carl Byington <carl@five-ten-sg.com>
parents:
5
diff
changeset
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55 import android.util.Log; |
|
5949eb469a79
adding tn5250 files, native android logging
Carl Byington <carl@five-ten-sg.com>
parents:
5
diff
changeset
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56 |
| 5 | 57 |
| 58 /** | |
| 59 * Methods for built-in code page support. | |
| 60 */ | |
| 61 /* package */ class BuiltInCodePageFactory { | |
| 62 | |
| 63 private static BuiltInCodePageFactory singleton; | |
| 64 | |
| 65 private final List<Class<?>> clazzes = new ArrayList<Class<?>>(); | |
|
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5949eb469a79
adding tn5250 files, native android logging
Carl Byington <carl@five-ten-sg.com>
parents:
5
diff
changeset
|
66 |
| 5 | 67 |
| 68 private BuiltInCodePageFactory() { | |
| 69 register(); | |
| 70 } | |
| 71 | |
| 72 public static synchronized final BuiltInCodePageFactory getInstance() { | |
| 73 if (singleton == null) { | |
| 74 singleton = new BuiltInCodePageFactory(); | |
| 75 } | |
| 76 return singleton; | |
| 77 } | |
| 78 | |
| 79 private void register() { | |
| 80 clazzes.add(CCSID37.class); | |
| 81 clazzes.add(CCSID273.class); | |
| 82 clazzes.add(CCSID277.class); | |
| 83 clazzes.add(CCSID278.class); | |
| 84 clazzes.add(CCSID280.class); | |
| 85 clazzes.add(CCSID284.class); | |
| 86 clazzes.add(CCSID285.class); | |
| 87 clazzes.add(CCSID297.class); | |
| 88 clazzes.add(CCSID424.class); | |
| 89 clazzes.add(CCSID500.class); | |
| 90 clazzes.add(CCSID870.class); | |
| 91 clazzes.add(CCSID871.class); | |
| 92 clazzes.add(CCSID875.class); | |
| 93 clazzes.add(CCSID1025.class); | |
| 94 clazzes.add(CCSID1026.class); | |
| 95 clazzes.add(CCSID1112.class); | |
| 96 clazzes.add(CCSID1140.class); | |
| 97 clazzes.add(CCSID1141.class); | |
| 98 clazzes.add(CCSID1147.class); | |
| 99 clazzes.add(CCSID1148.class); | |
| 100 } | |
| 101 | |
| 102 /** | |
| 103 * @return unsorted list of available code pages | |
| 104 */ | |
| 105 public String[] getAvailableCodePages() { | |
| 106 HashSet<String> cpset = new HashSet<String>(); | |
| 107 for (Class<?> clazz : clazzes) { | |
| 108 final ICodepageConverter converter = getConverterFromClassName(clazz); | |
| 109 if (converter != null) { | |
| 110 cpset.add(converter.getName()); | |
| 111 } | |
| 112 } | |
| 113 return cpset.toArray(new String[cpset.size()]); | |
| 114 } | |
| 115 | |
| 116 /** | |
| 117 * @param encoding | |
| 118 * @return an {@link ICodePage} object OR null, of not found | |
| 119 */ | |
| 120 public ICodePage getCodePage(String encoding) { | |
| 121 for (Class<?> clazz : clazzes) { | |
| 122 final ICodepageConverter converter = getConverterFromClassName(clazz); | |
| 123 if (converter != null && converter.getName().equals(encoding)) { | |
| 124 return converter; | |
| 125 } | |
| 126 } | |
| 127 return null; | |
| 128 } | |
| 129 | |
| 130 /** | |
| 131 * Lazy loading converters takes time, | |
| 132 * but doesn't happen so often and saves memory. | |
| 133 * | |
| 134 * @param clazz {@link ICodepageConverter} | |
| 135 * @return | |
| 136 */ | |
| 137 private ICodepageConverter getConverterFromClassName(Class<?> clazz) { | |
| 138 try { | |
| 139 final Constructor<?> constructor = clazz.getConstructor(new Class[0]); | |
| 140 final ICodepageConverter converter = (ICodepageConverter) constructor.newInstance(); | |
| 141 converter.init(); | |
| 142 return converter; | |
| 143 } catch (Exception e) { | |
|
25
5949eb469a79
adding tn5250 files, native android logging
Carl Byington <carl@five-ten-sg.com>
parents:
5
diff
changeset
|
144 Log.e(TAG,"Couldn't load code page converter class:" + clazz.getCanonicalName(), e); |
| 5 | 145 return null; |
| 146 } | |
| 147 } | |
| 148 | |
| 149 } |