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16 package org.joda.time.convert;
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18 import org.joda.time.JodaTimePermission;
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81 public final class ConverterManager {
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86 private static ConverterManager INSTANCE;
87
88 public static ConverterManager getInstance() {
89 if (INSTANCE == null) {
90 INSTANCE = new ConverterManager();
91 }
92 return INSTANCE;
93 }
94
95 private ConverterSet iInstantConverters;
96 private ConverterSet iPartialConverters;
97 private ConverterSet iDurationConverters;
98 private ConverterSet iPeriodConverters;
99 private ConverterSet iIntervalConverters;
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104 protected ConverterManager() {
105 super();
106
107 iInstantConverters = new ConverterSet(new Converter[] {
108 ReadableInstantConverter.INSTANCE,
109 StringConverter.INSTANCE,
110 CalendarConverter.INSTANCE,
111 DateConverter.INSTANCE,
112 LongConverter.INSTANCE,
113 NullConverter.INSTANCE,
114 });
115
116 iPartialConverters = new ConverterSet(new Converter[] {
117 ReadablePartialConverter.INSTANCE,
118 ReadableInstantConverter.INSTANCE,
119 StringConverter.INSTANCE,
120 CalendarConverter.INSTANCE,
121 DateConverter.INSTANCE,
122 LongConverter.INSTANCE,
123 NullConverter.INSTANCE,
124 });
125
126 iDurationConverters = new ConverterSet(new Converter[] {
127 ReadableDurationConverter.INSTANCE,
128 ReadableIntervalConverter.INSTANCE,
129 StringConverter.INSTANCE,
130 LongConverter.INSTANCE,
131 NullConverter.INSTANCE,
132 });
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134 iPeriodConverters = new ConverterSet(new Converter[] {
135 ReadableDurationConverter.INSTANCE,
136 ReadablePeriodConverter.INSTANCE,
137 ReadableIntervalConverter.INSTANCE,
138 StringConverter.INSTANCE,
139 NullConverter.INSTANCE,
140 });
141
142 iIntervalConverters = new ConverterSet(new Converter[] {
143 ReadableIntervalConverter.INSTANCE,
144 StringConverter.INSTANCE,
145 NullConverter.INSTANCE,
146 });
147 }
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159 public InstantConverter getInstantConverter(Object object) {
160 InstantConverter converter =
161 (InstantConverter)iInstantConverters.select(object == null ? null : object.getClass());
162 if (converter != null) {
163 return converter;
164 }
165 throw new IllegalArgumentException("No instant converter found for type: " +
166 (object == null ? "null" : object.getClass().getName()));
167 }
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175 public InstantConverter[] getInstantConverters() {
176 ConverterSet set = iInstantConverters;
177 InstantConverter[] converters = new InstantConverter[set.size()];
178 set.copyInto(converters);
179 return converters;
180 }
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193 public InstantConverter addInstantConverter(InstantConverter converter)
194 throws SecurityException {
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196 checkAlterInstantConverters();
197 if (converter == null) {
198 return null;
199 }
200 InstantConverter[] removed = new InstantConverter[1];
201 iInstantConverters = iInstantConverters.add(converter, removed);
202 return removed[0];
203 }
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212 public InstantConverter removeInstantConverter(InstantConverter converter)
213 throws SecurityException {
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215 checkAlterInstantConverters();
216 if (converter == null) {
217 return null;
218 }
219 InstantConverter[] removed = new InstantConverter[1];
220 iInstantConverters = iInstantConverters.remove(converter, removed);
221 return removed[0];
222 }
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229 private void checkAlterInstantConverters() throws SecurityException {
230 SecurityManager sm = System.getSecurityManager();
231 if (sm != null) {
232 sm.checkPermission(new JodaTimePermission("ConverterManager.alterInstantConverters"));
233 }
234 }
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246 public PartialConverter getPartialConverter(Object object) {
247 PartialConverter converter =
248 (PartialConverter)iPartialConverters.select(object == null ? null : object.getClass());
249 if (converter != null) {
250 return converter;
251 }
252 throw new IllegalArgumentException("No partial converter found for type: " +
253 (object == null ? "null" : object.getClass().getName()));
254 }
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262 public PartialConverter[] getPartialConverters() {
263 ConverterSet set = iPartialConverters;
264 PartialConverter[] converters = new PartialConverter[set.size()];
265 set.copyInto(converters);
266 return converters;
267 }
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280 public PartialConverter addPartialConverter(PartialConverter converter)
281 throws SecurityException {
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283 checkAlterPartialConverters();
284 if (converter == null) {
285 return null;
286 }
287 PartialConverter[] removed = new PartialConverter[1];
288 iPartialConverters = iPartialConverters.add(converter, removed);
289 return removed[0];
290 }
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299 public PartialConverter removePartialConverter(PartialConverter converter)
300 throws SecurityException {
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302 checkAlterPartialConverters();
303 if (converter == null) {
304 return null;
305 }
306 PartialConverter[] removed = new PartialConverter[1];
307 iPartialConverters = iPartialConverters.remove(converter, removed);
308 return removed[0];
309 }
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316 private void checkAlterPartialConverters() throws SecurityException {
317 SecurityManager sm = System.getSecurityManager();
318 if (sm != null) {
319 sm.checkPermission(new JodaTimePermission("ConverterManager.alterPartialConverters"));
320 }
321 }
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333 public DurationConverter getDurationConverter(Object object) {
334 DurationConverter converter =
335 (DurationConverter)iDurationConverters.select(object == null ? null : object.getClass());
336 if (converter != null) {
337 return converter;
338 }
339 throw new IllegalArgumentException("No duration converter found for type: " +
340 (object == null ? "null" : object.getClass().getName()));
341 }
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349 public DurationConverter[] getDurationConverters() {
350 ConverterSet set = iDurationConverters;
351 DurationConverter[] converters = new DurationConverter[set.size()];
352 set.copyInto(converters);
353 return converters;
354 }
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367 public DurationConverter addDurationConverter(DurationConverter converter)
368 throws SecurityException {
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370 checkAlterDurationConverters();
371 if (converter == null) {
372 return null;
373 }
374 DurationConverter[] removed = new DurationConverter[1];
375 iDurationConverters = iDurationConverters.add(converter, removed);
376 return removed[0];
377 }
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386 public DurationConverter removeDurationConverter(DurationConverter converter)
387 throws SecurityException {
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389 checkAlterDurationConverters();
390 if (converter == null) {
391 return null;
392 }
393 DurationConverter[] removed = new DurationConverter[1];
394 iDurationConverters = iDurationConverters.remove(converter, removed);
395 return removed[0];
396 }
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403 private void checkAlterDurationConverters() throws SecurityException {
404 SecurityManager sm = System.getSecurityManager();
405 if (sm != null) {
406 sm.checkPermission(new JodaTimePermission("ConverterManager.alterDurationConverters"));
407 }
408 }
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420 public PeriodConverter getPeriodConverter(Object object) {
421 PeriodConverter converter =
422 (PeriodConverter)iPeriodConverters.select(object == null ? null : object.getClass());
423 if (converter != null) {
424 return converter;
425 }
426 throw new IllegalArgumentException("No period converter found for type: " +
427 (object == null ? "null" : object.getClass().getName()));
428 }
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436 public PeriodConverter[] getPeriodConverters() {
437 ConverterSet set = iPeriodConverters;
438 PeriodConverter[] converters = new PeriodConverter[set.size()];
439 set.copyInto(converters);
440 return converters;
441 }
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454 public PeriodConverter addPeriodConverter(PeriodConverter converter)
455 throws SecurityException {
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457 checkAlterPeriodConverters();
458 if (converter == null) {
459 return null;
460 }
461 PeriodConverter[] removed = new PeriodConverter[1];
462 iPeriodConverters = iPeriodConverters.add(converter, removed);
463 return removed[0];
464 }
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473 public PeriodConverter removePeriodConverter(PeriodConverter converter)
474 throws SecurityException {
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476 checkAlterPeriodConverters();
477 if (converter == null) {
478 return null;
479 }
480 PeriodConverter[] removed = new PeriodConverter[1];
481 iPeriodConverters = iPeriodConverters.remove(converter, removed);
482 return removed[0];
483 }
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490 private void checkAlterPeriodConverters() throws SecurityException {
491 SecurityManager sm = System.getSecurityManager();
492 if (sm != null) {
493 sm.checkPermission(new JodaTimePermission("ConverterManager.alterPeriodConverters"));
494 }
495 }
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507 public IntervalConverter getIntervalConverter(Object object) {
508 IntervalConverter converter =
509 (IntervalConverter)iIntervalConverters.select(object == null ? null : object.getClass());
510 if (converter != null) {
511 return converter;
512 }
513 throw new IllegalArgumentException("No interval converter found for type: " +
514 (object == null ? "null" : object.getClass().getName()));
515 }
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523 public IntervalConverter[] getIntervalConverters() {
524 ConverterSet set = iIntervalConverters;
525 IntervalConverter[] converters = new IntervalConverter[set.size()];
526 set.copyInto(converters);
527 return converters;
528 }
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541 public IntervalConverter addIntervalConverter(IntervalConverter converter)
542 throws SecurityException {
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544 checkAlterIntervalConverters();
545 if (converter == null) {
546 return null;
547 }
548 IntervalConverter[] removed = new IntervalConverter[1];
549 iIntervalConverters = iIntervalConverters.add(converter, removed);
550 return removed[0];
551 }
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560 public IntervalConverter removeIntervalConverter(IntervalConverter converter)
561 throws SecurityException {
562
563 checkAlterIntervalConverters();
564 if (converter == null) {
565 return null;
566 }
567 IntervalConverter[] removed = new IntervalConverter[1];
568 iIntervalConverters = iIntervalConverters.remove(converter, removed);
569 return removed[0];
570 }
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577 private void checkAlterIntervalConverters() throws SecurityException {
578 SecurityManager sm = System.getSecurityManager();
579 if (sm != null) {
580 sm.checkPermission(new JodaTimePermission("ConverterManager.alterIntervalConverters"));
581 }
582 }
583
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588 public String toString() {
589 return "ConverterManager[" +
590 iInstantConverters.size() + " instant," +
591 iPartialConverters.size() + " partial," +
592 iDurationConverters.size() + " duration," +
593 iPeriodConverters.size() + " period," +
594 iIntervalConverters.size() + " interval]";
595 }
596
597 }