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comparison src/org/tn5250j/encoding/BuiltInCodePageFactory.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
58 /** 58 /**
59 * Methods for built-in code page support. 59 * Methods for built-in code page support.
60 */ 60 */
61 class BuiltInCodePageFactory { 61 class BuiltInCodePageFactory {
62 private static final String TAG = "BuiltInCodePageFactory"; 62 private static final String TAG = "BuiltInCodePageFactory";
63 private static BuiltInCodePageFactory singleton; 63 private static BuiltInCodePageFactory singleton;
64 64
65 private final List<Class<?>> clazzes = new ArrayList<Class<?>>(); 65 private final List<Class<?>> clazzes = new ArrayList<Class<?>>();
66 66
67 67
68 private BuiltInCodePageFactory() { 68 private BuiltInCodePageFactory() {
69 register(); 69 register();
70 } 70 }
71 71
72 public static synchronized final BuiltInCodePageFactory getInstance() { 72 public static synchronized final BuiltInCodePageFactory getInstance() {
73 if (singleton == null) { 73 if (singleton == null) {
74 singleton = new BuiltInCodePageFactory(); 74 singleton = new BuiltInCodePageFactory();
75 } 75 }
76 return singleton;
77 }
78 76
79 private void register() { 77 return singleton;
80 clazzes.add(CCSID37.class); 78 }
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 79
102 /** 80 private void register() {
103 * @return unsorted list of available code pages 81 clazzes.add(CCSID37.class);
104 */ 82 clazzes.add(CCSID273.class);
105 public String[] getAvailableCodePages() { 83 clazzes.add(CCSID277.class);
106 HashSet<String> cpset = new HashSet<String>(); 84 clazzes.add(CCSID278.class);
107 for (Class<?> clazz : clazzes) { 85 clazzes.add(CCSID280.class);
108 final ICodepageConverter converter = getConverterFromClassName(clazz); 86 clazzes.add(CCSID284.class);
109 if (converter != null) { 87 clazzes.add(CCSID285.class);
110 cpset.add(converter.getName()); 88 clazzes.add(CCSID297.class);
111 } 89 clazzes.add(CCSID424.class);
112 } 90 clazzes.add(CCSID500.class);
113 return cpset.toArray(new String[cpset.size()]); 91 clazzes.add(CCSID870.class);
114 } 92 clazzes.add(CCSID871.class);
93 clazzes.add(CCSID875.class);
94 clazzes.add(CCSID1025.class);
95 clazzes.add(CCSID1026.class);
96 clazzes.add(CCSID1112.class);
97 clazzes.add(CCSID1140.class);
98 clazzes.add(CCSID1141.class);
99 clazzes.add(CCSID1147.class);
100 clazzes.add(CCSID1148.class);
101 }
115 102
116 /** 103 /**
117 * @param encoding 104 * @return unsorted list of available code pages
118 * @return an {@link ICodePage} object OR null, of not found 105 */
119 */ 106 public String[] getAvailableCodePages() {
120 public ICodePage getCodePage(String encoding) { 107 HashSet<String> cpset = new HashSet<String>();
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 }
129 108
130 /** 109 for (Class<?> clazz : clazzes) {
131 * Lazy loading converters takes time, 110 final ICodepageConverter converter = getConverterFromClassName(clazz);
132 * but doesn't happen so often and saves memory. 111
133 * 112 if (converter != null) {
134 * @param clazz {@link ICodepageConverter} 113 cpset.add(converter.getName());
135 * @return 114 }
136 */ 115 }
137 private ICodepageConverter getConverterFromClassName(Class<?> clazz) { 116
138 try { 117 return cpset.toArray(new String[cpset.size()]);
139 final Constructor<?> constructor = clazz.getConstructor(new Class[0]); 118 }
140 final ICodepageConverter converter = (ICodepageConverter) constructor.newInstance(); 119
141 converter.init(); 120 /**
142 return converter; 121 * @param encoding
143 } catch (Exception e) { 122 * @return an {@link ICodePage} object OR null, of not found
144 Log.e(TAG,"Couldn't load code page converter class:" + clazz.getCanonicalName(), e); 123 */
145 return null; 124 public ICodePage getCodePage(String encoding) {
146 } 125 for (Class<?> clazz : clazzes) {
147 } 126 final ICodepageConverter converter = getConverterFromClassName(clazz);
127
128 if (converter != null && converter.getName().equals(encoding)) {
129 return converter;
130 }
131 }
132
133 return null;
134 }
135
136 /**
137 * Lazy loading converters takes time,
138 * but doesn't happen so often and saves memory.
139 *
140 * @param clazz {@link ICodepageConverter}
141 * @return
142 */
143 private ICodepageConverter getConverterFromClassName(Class<?> clazz) {
144 try {
145 final Constructor<?> constructor = clazz.getConstructor(new Class[0]);
146 final ICodepageConverter converter = (ICodepageConverter) constructor.newInstance();
147 converter.init();
148 return converter;
149 }
150 catch (Exception e) {
151 Log.e(TAG, "Couldn't load code page converter class:" + clazz.getCanonicalName(), e);
152 return null;
153 }
154 }
148 155
149 } 156 }