svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / DefaultFeature.java @ 40559
History | View | Annotate | Download (17.8 KB)
1 | 40559 | jjdelcerro | /**
|
---|---|---|---|
2 | * gvSIG. Desktop Geographic Information System.
|
||
3 | *
|
||
4 | * Copyright (C) 2007-2013 gvSIG Association.
|
||
5 | *
|
||
6 | * This program is free software; you can redistribute it and/or
|
||
7 | * modify it under the terms of the GNU General Public License
|
||
8 | * as published by the Free Software Foundation; either version 3
|
||
9 | * of the License, or (at your option) any later version.
|
||
10 | *
|
||
11 | * This program is distributed in the hope that it will be useful,
|
||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
14 | * GNU General Public License for more details.
|
||
15 | *
|
||
16 | * You should have received a copy of the GNU General Public License
|
||
17 | * along with this program; if not, write to the Free Software
|
||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
19 | * MA 02110-1301, USA.
|
||
20 | *
|
||
21 | * For any additional information, do not hesitate to contact us
|
||
22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
|
||
23 | */
|
||
24 | 40435 | jjdelcerro | package org.gvsig.fmap.dal.feature.impl; |
25 | |||
26 | import java.lang.ref.WeakReference; |
||
27 | import java.util.Date; |
||
28 | import java.util.Iterator; |
||
29 | import java.util.List; |
||
30 | |||
31 | import org.cresques.cts.IProjection; |
||
32 | |||
33 | import org.gvsig.fmap.dal.DataTypes; |
||
34 | import org.gvsig.fmap.dal.exception.DataEvaluatorRuntimeException; |
||
35 | import org.gvsig.fmap.dal.exception.DataException; |
||
36 | import org.gvsig.fmap.dal.feature.EditableFeature; |
||
37 | import org.gvsig.fmap.dal.feature.Feature; |
||
38 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
||
39 | import org.gvsig.fmap.dal.feature.FeatureReference; |
||
40 | import org.gvsig.fmap.dal.feature.FeatureStore; |
||
41 | import org.gvsig.fmap.dal.feature.FeatureType; |
||
42 | import org.gvsig.fmap.dal.feature.exception.IllegalValueException; |
||
43 | import org.gvsig.fmap.dal.feature.exception.SetReadOnlyAttributeException; |
||
44 | import org.gvsig.fmap.dal.feature.impl.featureset.DynObjectFeatureFacade; |
||
45 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
||
46 | import org.gvsig.fmap.geom.Geometry; |
||
47 | import org.gvsig.fmap.geom.primitive.Envelope; |
||
48 | import org.gvsig.timesupport.Instant; |
||
49 | import org.gvsig.timesupport.Interval; |
||
50 | import org.gvsig.tools.ToolsLocator; |
||
51 | import org.gvsig.tools.dataTypes.CoercionException; |
||
52 | import org.gvsig.tools.dataTypes.DataTypesManager; |
||
53 | import org.gvsig.tools.dynobject.DynObject; |
||
54 | import org.gvsig.tools.evaluator.Evaluator; |
||
55 | import org.gvsig.tools.evaluator.EvaluatorData; |
||
56 | import org.gvsig.tools.evaluator.EvaluatorException; |
||
57 | import org.gvsig.tools.exception.BaseException; |
||
58 | import org.gvsig.tools.exception.BaseRuntimeException; |
||
59 | |||
60 | public class DefaultFeature implements Feature, EvaluatorData { |
||
61 | |||
62 | private static DataTypesManager dataTypesManager = null; |
||
63 | protected FeatureProvider data;
|
||
64 | protected FeatureReference reference;
|
||
65 | private WeakReference storeRef; |
||
66 | |||
67 | private boolean inserted = false; |
||
68 | |||
69 | /*
|
||
70 | * Usar con mucha precaucion o mejor no usar. Lo precisa el
|
||
71 | * DefaultFeatureSet en la ordenacion.
|
||
72 | */
|
||
73 | public DefaultFeature(FeatureStore store) {
|
||
74 | this.storeRef = new WeakReference(store); |
||
75 | this.reference = null; |
||
76 | } |
||
77 | |||
78 | public DefaultFeature(FeatureStore store, FeatureProvider data) {
|
||
79 | this.data = data;
|
||
80 | this.storeRef = new WeakReference(store); |
||
81 | this.reference = null; |
||
82 | this.inserted = !data.isNew();
|
||
83 | } |
||
84 | |||
85 | DefaultFeature(DefaultFeature feature) { |
||
86 | this.data = feature.data.getCopy();
|
||
87 | this.storeRef = feature.storeRef;
|
||
88 | this.reference = feature.reference;
|
||
89 | this.inserted = feature.isInserted();
|
||
90 | } |
||
91 | |||
92 | public void setData(FeatureProvider data) { |
||
93 | this.data = data;
|
||
94 | this.reference = null; |
||
95 | this.inserted = true; |
||
96 | } |
||
97 | |||
98 | public FeatureProvider getData() {
|
||
99 | return this.data; |
||
100 | } |
||
101 | |||
102 | protected DataTypesManager getDataTypesManager() {
|
||
103 | if( dataTypesManager==null ) { |
||
104 | dataTypesManager = ToolsLocator.getDataTypesManager(); |
||
105 | } |
||
106 | return dataTypesManager;
|
||
107 | } |
||
108 | |||
109 | void set(FeatureAttributeDescriptor attribute, Object value) { |
||
110 | int i = attribute.getIndex();
|
||
111 | |||
112 | if (attribute.isReadOnly()) {
|
||
113 | throw new SetReadOnlyAttributeException(); |
||
114 | } |
||
115 | |||
116 | if (attribute.getEvaluator() != null) { |
||
117 | throw new SetReadOnlyAttributeException(); |
||
118 | } |
||
119 | |||
120 | if (value == null) { |
||
121 | if (!attribute.allowNull()) {
|
||
122 | if (!attribute.isAutomatic()) {
|
||
123 | throw new IllegalValueException(attribute, value); |
||
124 | } |
||
125 | } |
||
126 | this.data.set(i, null); |
||
127 | return;
|
||
128 | |||
129 | } |
||
130 | |||
131 | if (attribute.getFeatureAttributeGetter() != null){ |
||
132 | value = attribute.getFeatureAttributeGetter().setter(value); |
||
133 | } |
||
134 | |||
135 | if (attribute.getObjectClass().isInstance(value)) {
|
||
136 | this.data.set(i, value);
|
||
137 | return;
|
||
138 | } |
||
139 | |||
140 | if (!attribute.getObjectClass().isInstance(value)) {
|
||
141 | try {
|
||
142 | value = |
||
143 | this.getDataTypesManager().coerce(attribute.getType(),
|
||
144 | value); |
||
145 | } catch (CoercionException e) {
|
||
146 | throw new IllegalArgumentException("Can't convert to " |
||
147 | + this.getDataTypesManager().getTypeName(
|
||
148 | attribute.getType()) + " from '"
|
||
149 | + value.getClass().getName() + "' with value '"
|
||
150 | + value.toString() + "'.");
|
||
151 | } |
||
152 | } |
||
153 | |||
154 | this.data.set(i, value);
|
||
155 | } |
||
156 | |||
157 | private Object get(int index,Class theClass, int type) { |
||
158 | Object value = this.get(index); |
||
159 | if( theClass.isInstance(value) ) {
|
||
160 | return value;
|
||
161 | } |
||
162 | |||
163 | |||
164 | try {
|
||
165 | return this.getDataTypesManager().coerce(type, value); |
||
166 | } catch (CoercionException e) {
|
||
167 | |||
168 | if (value == null) { |
||
169 | return null; |
||
170 | } |
||
171 | throw new IllegalArgumentException( |
||
172 | "Can't convert to "+theClass.getName()+
|
||
173 | " from '"+value.getClass().getName()+
|
||
174 | "' with value '"+value.toString()+"'."); |
||
175 | } |
||
176 | } |
||
177 | |||
178 | // private Object getNumberByType(Number value, int type) {
|
||
179 | // if (type==DataTypes.DOUBLE){
|
||
180 | // return new Double(value.doubleValue());
|
||
181 | // }else if (type==DataTypes.FLOAT){
|
||
182 | // return new Float(value.floatValue());
|
||
183 | // }else if (type==DataTypes.LONG){
|
||
184 | // return new Long(value.longValue());
|
||
185 | // }else if (type==DataTypes.INT){
|
||
186 | // return new Integer(value.intValue());
|
||
187 | // }else if (type==DataTypes.STRING){
|
||
188 | // return value.toString();
|
||
189 | // }
|
||
190 | // return value;
|
||
191 | // }
|
||
192 | |||
193 | public void initializeValues() { |
||
194 | FeatureType type = this.getType();
|
||
195 | Iterator iterator = type.iterator();
|
||
196 | |||
197 | while (iterator.hasNext()) {
|
||
198 | FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
||
199 | .next(); |
||
200 | if (attribute.isAutomatic() || attribute.isReadOnly()
|
||
201 | || attribute.getEvaluator() != null) {
|
||
202 | continue;
|
||
203 | } |
||
204 | if (attribute.getDefaultValue() == null && !attribute.allowNull()) { |
||
205 | continue;
|
||
206 | } |
||
207 | this.set(attribute, attribute.getDefaultValue());
|
||
208 | } |
||
209 | } |
||
210 | |||
211 | public void clear() { |
||
212 | initializeValues(); |
||
213 | } |
||
214 | |||
215 | public void initializeValues(Feature feature) { |
||
216 | FeatureType myType=this.getType();
|
||
217 | FeatureType type =feature.getType(); |
||
218 | Iterator iterator = type.iterator();
|
||
219 | |||
220 | while (iterator.hasNext()) {
|
||
221 | FeatureAttributeDescriptor attribute = (FeatureAttributeDescriptor) iterator |
||
222 | .next(); |
||
223 | FeatureAttributeDescriptor myAttribute=myType.getAttributeDescriptor(attribute.getName()); |
||
224 | if (myAttribute != null) { |
||
225 | this.set(myAttribute, feature.get(attribute.getIndex()));
|
||
226 | } |
||
227 | } |
||
228 | } |
||
229 | |||
230 | |||
231 | public FeatureStore getStore() {
|
||
232 | return (FeatureStore) this.storeRef.get(); |
||
233 | } |
||
234 | |||
235 | public FeatureType getType() {
|
||
236 | return this.data.getType(); |
||
237 | } |
||
238 | |||
239 | public EditableFeature getEditable() {
|
||
240 | return new DefaultEditableFeature(this); |
||
241 | } |
||
242 | |||
243 | public Feature getCopy() {
|
||
244 | return new DefaultFeature(this); |
||
245 | } |
||
246 | |||
247 | public FeatureReference getReference() {
|
||
248 | if (this.reference == null) { |
||
249 | if (!isInserted()) {
|
||
250 | return null; |
||
251 | } |
||
252 | reference = new DefaultFeatureReference(this); |
||
253 | } |
||
254 | return this.reference; |
||
255 | } |
||
256 | |||
257 | class UnableToGetReferenceException extends BaseRuntimeException { |
||
258 | |||
259 | /**
|
||
260 | *
|
||
261 | */
|
||
262 | private static final long serialVersionUID = 1812805035204824163L; |
||
263 | |||
264 | /**
|
||
265 | * @param exception
|
||
266 | */
|
||
267 | public UnableToGetReferenceException(BaseException exception) {
|
||
268 | super("Unable to get reference", "_UnableToGetReferenceException", |
||
269 | serialVersionUID); |
||
270 | this.initCause(exception);
|
||
271 | |||
272 | } |
||
273 | |||
274 | } |
||
275 | |||
276 | public void validate(int mode) { |
||
277 | ((DefaultFeatureType) this.data.getType()).validateFeature(this, mode); |
||
278 | } |
||
279 | |||
280 | public List getSRSs() { |
||
281 | // TODO Auto-generated method stub
|
||
282 | return null; |
||
283 | } |
||
284 | |||
285 | public Envelope getDefaultEnvelope() {
|
||
286 | return this.data.getDefaultEnvelope(); |
||
287 | } |
||
288 | |||
289 | public Geometry getDefaultGeometry() {
|
||
290 | return this.data.getDefaultGeometry(); |
||
291 | } |
||
292 | |||
293 | public IProjection getDefaultSRS() {
|
||
294 | return this.data.getType().getDefaultSRS(); |
||
295 | } |
||
296 | |||
297 | public List getGeometries() { |
||
298 | // TODO Auto-generated method stub
|
||
299 | return null; |
||
300 | } |
||
301 | |||
302 | public Object get(String name) { |
||
303 | int index = this.data.getType().getIndex(name); |
||
304 | if( index < 0 ) { |
||
305 | throw new IllegalArgumentException("Attribute name '"+name+"' not found in the feature."); |
||
306 | } |
||
307 | return this.get(index); |
||
308 | } |
||
309 | |||
310 | |||
311 | public Object get(int index) { |
||
312 | FeatureType type = this.data.getType();
|
||
313 | if( index <0 || index >= type.size() ) { |
||
314 | throw new IllegalArgumentException("Attribute index '"+index+"' out of range (0 to "+this.data.getType().size()+"."); |
||
315 | } |
||
316 | FeatureAttributeDescriptor attribute = type.getAttributeDescriptor(index); |
||
317 | if (!this.data.getType().hasEvaluators()) { |
||
318 | return get(attribute, this.data.get(index)); |
||
319 | } |
||
320 | Evaluator eval = attribute.getEvaluator(); |
||
321 | if (eval == null) { |
||
322 | return this.data.get(index); |
||
323 | } else {
|
||
324 | Object value = this.data.get(index); |
||
325 | if (value != null) { // FIXME: para comprobar si esta calculado usar |
||
326 | // un array
|
||
327 | // especifico.
|
||
328 | return get(attribute, this.data.get(index)); |
||
329 | } |
||
330 | try {
|
||
331 | value = eval.evaluate(this);
|
||
332 | } catch (EvaluatorException e) {
|
||
333 | throw new DataEvaluatorRuntimeException(e); |
||
334 | } |
||
335 | this.data.set(index, value);
|
||
336 | return get(attribute, value);
|
||
337 | } |
||
338 | } |
||
339 | |||
340 | private Object get(FeatureAttributeDescriptor featureAttributeDescriptor, Object value){ |
||
341 | if (featureAttributeDescriptor.getFeatureAttributeGetter() == null){ |
||
342 | return value;
|
||
343 | }else{
|
||
344 | return featureAttributeDescriptor.getFeatureAttributeGetter().getter(value);
|
||
345 | } |
||
346 | } |
||
347 | |||
348 | public Object[] getArray(String name) { |
||
349 | return this.getArray(this.data.getType().getIndex(name)); |
||
350 | } |
||
351 | |||
352 | public Object[] getArray(int index) { |
||
353 | return (Object[]) this.get(index); |
||
354 | } |
||
355 | |||
356 | public boolean getBoolean(String name) { |
||
357 | return this.getBoolean(this.data.getType().getIndex(name)); |
||
358 | } |
||
359 | |||
360 | public boolean getBoolean(int index) { |
||
361 | Boolean value = ((Boolean) this.get(index,Boolean.class,DataTypes.BOOLEAN)); |
||
362 | if (value == null) { |
||
363 | return false; |
||
364 | } |
||
365 | return value.booleanValue();
|
||
366 | } |
||
367 | |||
368 | public byte getByte(String name) { |
||
369 | return this.getByte(this.data.getType().getIndex(name)); |
||
370 | } |
||
371 | |||
372 | public byte getByte(int index) { |
||
373 | Byte value = ((Byte) this.get(index,Byte.class,DataTypes.BYTE)); |
||
374 | if (value == null) { |
||
375 | return 0; |
||
376 | } |
||
377 | return value.byteValue();
|
||
378 | } |
||
379 | |||
380 | public Date getDate(String name) { |
||
381 | return this.getDate(this.data.getType().getIndex(name)); |
||
382 | } |
||
383 | |||
384 | public Date getDate(int index) { |
||
385 | Date value = ((Date) this.get(index,Date.class,DataTypes.DATE)); |
||
386 | |||
387 | return value;
|
||
388 | } |
||
389 | |||
390 | public double getDouble(String name) { |
||
391 | return this.getDouble(this.data.getType().getIndex(name)); |
||
392 | } |
||
393 | |||
394 | public double getDouble(int index) { |
||
395 | |||
396 | Double value = ((Double) this.get(index,Double.class,DataTypes.DOUBLE)); |
||
397 | if (value == null) { |
||
398 | return 0; |
||
399 | } |
||
400 | return value.doubleValue();
|
||
401 | } |
||
402 | |||
403 | public Feature getFeature(String name) { |
||
404 | return this.getFeature(this.data.getType().getIndex(name)); |
||
405 | } |
||
406 | |||
407 | public Feature getFeature(int index) { |
||
408 | return (Feature) this.get(index); |
||
409 | } |
||
410 | |||
411 | public float getFloat(String name) { |
||
412 | return this.getFloat(this.data.getType().getIndex(name)); |
||
413 | } |
||
414 | |||
415 | public float getFloat(int index) { |
||
416 | Float value = ((Float) this.get(index,Float.class,DataTypes.FLOAT)); |
||
417 | if (value == null) { |
||
418 | return 0; |
||
419 | } |
||
420 | return value.floatValue();
|
||
421 | } |
||
422 | |||
423 | public Geometry getGeometry(String name) { |
||
424 | return this.getGeometry(this.data.getType().getIndex(name)); |
||
425 | } |
||
426 | |||
427 | public Geometry getGeometry(int index) { |
||
428 | return (Geometry) this.get(index,Geometry.class,DataTypes.GEOMETRY); |
||
429 | } |
||
430 | |||
431 | public int getInt(String name) { |
||
432 | return this.getInt(this.data.getType().getIndex(name)); |
||
433 | } |
||
434 | |||
435 | public int getInt(int index) { |
||
436 | Integer value = ((Integer) this.get(index,Integer.class,DataTypes.INT)); |
||
437 | if (value == null) { |
||
438 | return 0; |
||
439 | } |
||
440 | return ((Integer)value).intValue(); |
||
441 | } |
||
442 | |||
443 | public long getLong(String name) { |
||
444 | return this.getLong(this.data.getType().getIndex(name)); |
||
445 | } |
||
446 | |||
447 | public long getLong(int index) { |
||
448 | Long value = ((Long) this.get(index,Long.class,DataTypes.LONG)); |
||
449 | if (value == null) { |
||
450 | return 0; |
||
451 | } |
||
452 | return value.longValue();
|
||
453 | } |
||
454 | |||
455 | public String getString(String name) { |
||
456 | return this.getString(this.data.getType().getIndex(name)); |
||
457 | } |
||
458 | |||
459 | public String getString(int index) { |
||
460 | return (String) this.get(index,String.class,DataTypes.STRING); |
||
461 | } |
||
462 | |||
463 | public Object getContextValue(String name) { |
||
464 | name = name.toLowerCase(); |
||
465 | if (name.equals("store")) { |
||
466 | return this.getStore(); |
||
467 | } |
||
468 | |||
469 | if (name.equals("featuretype")) { |
||
470 | return this.data.getType(); |
||
471 | } |
||
472 | |||
473 | if (name.equals("feature")) { |
||
474 | return this; |
||
475 | } |
||
476 | |||
477 | throw new IllegalArgumentException(name); |
||
478 | } |
||
479 | |||
480 | public Iterator getDataNames() { |
||
481 | class DataNamesIterator implements Iterator { |
||
482 | Iterator attributeIteraror;
|
||
483 | |||
484 | DataNamesIterator(DefaultFeature feature) { |
||
485 | this.attributeIteraror = feature.getType().iterator();
|
||
486 | } |
||
487 | |||
488 | public boolean hasNext() { |
||
489 | return this.attributeIteraror.hasNext(); |
||
490 | } |
||
491 | |||
492 | public Object next() { |
||
493 | return ((FeatureAttributeDescriptor) this.attributeIteraror |
||
494 | .next()).getName(); |
||
495 | } |
||
496 | |||
497 | public void remove() { |
||
498 | throw new UnsupportedOperationException(); |
||
499 | } |
||
500 | |||
501 | } |
||
502 | return new DataNamesIterator(this); |
||
503 | } |
||
504 | |||
505 | public Object getDataValue(String name) { |
||
506 | name = name.toLowerCase(); |
||
507 | return get(name);
|
||
508 | } |
||
509 | |||
510 | public Iterator getDataValues() { |
||
511 | class DataValuesIterator implements Iterator { |
||
512 | DefaultFeature feature; |
||
513 | int current = 0; |
||
514 | |||
515 | DataValuesIterator(DefaultFeature feature) { |
||
516 | this.feature = feature;
|
||
517 | } |
||
518 | |||
519 | public boolean hasNext() { |
||
520 | return current < feature.getType().size() - 1; |
||
521 | } |
||
522 | |||
523 | public Object next() { |
||
524 | return feature.get(current++);
|
||
525 | } |
||
526 | |||
527 | public void remove() { |
||
528 | throw new UnsupportedOperationException(); |
||
529 | } |
||
530 | |||
531 | } |
||
532 | return new DataValuesIterator(this); |
||
533 | } |
||
534 | |||
535 | public boolean hasContextValue(String name) { |
||
536 | name = name.toLowerCase(); |
||
537 | if (name.equals("store")) { |
||
538 | return true; |
||
539 | } |
||
540 | |||
541 | if (name.equals("featuretype")) { |
||
542 | return true; |
||
543 | } |
||
544 | |||
545 | if (name.equals("feature")) { |
||
546 | return true; |
||
547 | } |
||
548 | return false; |
||
549 | } |
||
550 | |||
551 | public boolean hasDataValue(String name) { |
||
552 | name = name.toLowerCase(); |
||
553 | return this.data.getType().getIndex(name) >= 0; |
||
554 | } |
||
555 | |||
556 | public Instant getInstant(int index) { |
||
557 | return ((Instant) this.get(index,Date.class,DataTypes.INSTANT)); |
||
558 | } |
||
559 | |||
560 | public Instant getInstant(String name) { |
||
561 | return this.getInstant(this.data.getType().getIndex(name)); |
||
562 | } |
||
563 | |||
564 | public Interval getInterval(int index) { |
||
565 | return ((Interval) this.get(index,Date.class,DataTypes.INTERVAL)); |
||
566 | } |
||
567 | |||
568 | public Interval getInterval(String name) { |
||
569 | return this.getInterval(this.data.getType().getIndex(name)); |
||
570 | } |
||
571 | |||
572 | public DynObject getAsDynObject() {
|
||
573 | DynObjectFeatureFacade facade = new DynObjectFeatureFacade();
|
||
574 | facade.setFeature(this);
|
||
575 | return facade;
|
||
576 | } |
||
577 | |||
578 | public String toString() { |
||
579 | StringBuffer buffer = new StringBuffer("Feature with values: "); |
||
580 | FeatureAttributeDescriptor[] attributeDescriptors =
|
||
581 | getType().getAttributeDescriptors(); |
||
582 | for (int i = 0; i < attributeDescriptors.length; i++) { |
||
583 | String name = attributeDescriptors[i].getName();
|
||
584 | buffer.append(name).append("=").append(get(name));
|
||
585 | if (i < attributeDescriptors.length - 1) { |
||
586 | buffer.append(", ");
|
||
587 | } |
||
588 | } |
||
589 | return super.toString(); |
||
590 | } |
||
591 | |||
592 | |||
593 | /**
|
||
594 | * @return the inserted
|
||
595 | */
|
||
596 | public boolean isInserted() { |
||
597 | return inserted;
|
||
598 | } |
||
599 | |||
600 | |||
601 | /**
|
||
602 | * @param inserted the inserted to set
|
||
603 | */
|
||
604 | public void setInserted(boolean inserted) { |
||
605 | this.inserted = inserted;
|
||
606 | } |
||
607 | |||
608 | public EvaluatorData getEvaluatorData() {
|
||
609 | return this; |
||
610 | } |
||
611 | } |