svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.app / org.gvsig.app.mainplugin / src / main / java / org / gvsig / app / project / symboltables / ProjectSymbolTable.java @ 46333
History | View | Annotate | Download (29.7 KB)
1 |
package org.gvsig.app.project.symboltables; |
---|---|
2 |
|
3 |
import java.io.File; |
4 |
import java.io.FileInputStream; |
5 |
import java.util.HashMap; |
6 |
import java.util.Iterator; |
7 |
import java.util.Map; |
8 |
import java.util.Properties; |
9 |
import org.apache.commons.io.IOUtils; |
10 |
import org.apache.commons.lang3.Range; |
11 |
import org.apache.commons.lang3.StringUtils; |
12 |
import org.cresques.cts.IProjection; |
13 |
import org.gvsig.andami.PluginsLocator; |
14 |
import org.gvsig.andami.PluginsManager; |
15 |
import org.gvsig.app.ApplicationLocator; |
16 |
import org.gvsig.app.ApplicationManager; |
17 |
import org.gvsig.app.project.Project; |
18 |
import org.gvsig.app.project.ProjectManager; |
19 |
import org.gvsig.app.project.documents.Document; |
20 |
import org.gvsig.app.project.documents.view.ViewDocument; |
21 |
import org.gvsig.app.project.documents.view.ViewManager; |
22 |
import org.gvsig.expressionevaluator.Expression; |
23 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
24 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
25 |
import org.gvsig.expressionevaluator.ExpressionRuntimeException; |
26 |
import org.gvsig.expressionevaluator.Interpreter; |
27 |
import org.gvsig.expressionevaluator.spi.AbstractFunction; |
28 |
import org.gvsig.expressionevaluator.spi.AbstractGeometryFunction; |
29 |
import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
30 |
import org.gvsig.fmap.crs.CRSFactory; |
31 |
import org.gvsig.fmap.dal.DALLocator; |
32 |
import org.gvsig.fmap.dal.DataManager; |
33 |
import org.gvsig.fmap.dal.HasDataStore; |
34 |
import org.gvsig.fmap.dal.expressionevaluator.FeatureSymbolTable; |
35 |
import org.gvsig.fmap.dal.feature.Feature; |
36 |
import org.gvsig.fmap.dal.feature.FeatureSet; |
37 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
38 |
import org.gvsig.fmap.geom.Geometry; |
39 |
import org.gvsig.fmap.geom.primitive.Point; |
40 |
import org.gvsig.fmap.mapcontext.MapContext; |
41 |
import org.gvsig.fmap.mapcontext.layers.FLayer; |
42 |
import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
43 |
import org.gvsig.fmap.mapcontrol.AreaAndPerimeterCalculator; |
44 |
import org.gvsig.temporarystorage.TemporaryStorageGroup; |
45 |
import org.gvsig.temporarystorage.TemporaryStorageLocator; |
46 |
import org.gvsig.temporarystorage.TemporaryStorageManager; |
47 |
|
48 |
/**
|
49 |
*
|
50 |
* @author jjdelcerro
|
51 |
*/
|
52 |
@SuppressWarnings("UseSpecificCatch") |
53 |
public class ProjectSymbolTable extends AbstractSymbolTable { |
54 |
public static final String PROJECT_GROUP = "Project"; |
55 |
|
56 |
public static final String AREA_NAME = "AREA"; |
57 |
public static final String PERIMETER_NAME = "PERIMETER"; |
58 |
public static final String TABLE_NAME = "TABLE"; |
59 |
// public static final String FETCH_FIRST_NAME = "FETCH_FIRST";
|
60 |
public static final String FETCH_FIRST_SELECTED_NAME = "FETCH_FIRST_SELECTED"; |
61 |
// public static final String FETCH_NAME = "FETCH";
|
62 |
public static final String APPLICATION_NAME = "APPLICATION"; |
63 |
|
64 |
static final String NAME = "Project"; |
65 |
|
66 |
private static final String TABLE_DOCUMENT_TYPENAME = "project.document.table"; |
67 |
|
68 |
private final ProjectValue currentProject = new ProjectValue(); |
69 |
private final CurrentViewValue currentView = new CurrentViewValue(); |
70 |
private final CurrentViewEnvelopeValue currentViewEnvelope = new CurrentViewEnvelopeValue(); |
71 |
private final PropertiesValue propertiesFiles = new PropertiesValue(); |
72 |
private Map<String,Object> appvars; |
73 |
|
74 |
private abstract class CachedValue<T> { |
75 |
|
76 |
T value = null;
|
77 |
long lastAccess = 0; |
78 |
|
79 |
protected abstract void reload(); |
80 |
|
81 |
public boolean isExpired() { |
82 |
long now = System.currentTimeMillis(); |
83 |
return now - lastAccess > 3000; |
84 |
} |
85 |
|
86 |
public T get() {
|
87 |
if (isExpired()) {
|
88 |
reload(); |
89 |
} |
90 |
lastAccess = System.currentTimeMillis();
|
91 |
return value;
|
92 |
} |
93 |
} |
94 |
|
95 |
private class ProjectValue extends CachedValue<Project> { |
96 |
|
97 |
@Override
|
98 |
protected void reload() { |
99 |
value = ProjectManager.getInstance().getCurrentProject(); |
100 |
} |
101 |
|
102 |
} |
103 |
|
104 |
private class CurrentViewValue extends CachedValue<ViewDocument> { |
105 |
|
106 |
@Override
|
107 |
protected void reload() { |
108 |
ApplicationManager application = ApplicationLocator.getManager(); |
109 |
ViewDocument viewdoc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME); |
110 |
value = viewdoc; |
111 |
} |
112 |
|
113 |
} |
114 |
|
115 |
private class CurrentViewEnvelopeValue extends CachedValue<Geometry> { |
116 |
|
117 |
@Override
|
118 |
protected void reload() { |
119 |
ApplicationManager application = ApplicationLocator.getManager(); |
120 |
ViewDocument viewdoc = (ViewDocument) application.getActiveDocument(ViewManager.TYPENAME); |
121 |
if( viewdoc == null ) { |
122 |
value = null;
|
123 |
return;
|
124 |
} |
125 |
value = viewdoc.getMapContext().getViewPort().getEnvelope().getGeometry(); |
126 |
} |
127 |
|
128 |
} |
129 |
|
130 |
private class PropertiesValue extends CachedValue<Map<File, Properties>> { |
131 |
|
132 |
@Override
|
133 |
protected void reload() { |
134 |
value = new HashMap<>(); |
135 |
} |
136 |
} |
137 |
|
138 |
private class CurrentProjectFunction extends AbstractFunction { |
139 |
|
140 |
public CurrentProjectFunction() {
|
141 |
super(
|
142 |
PROJECT_GROUP, |
143 |
"project",
|
144 |
Range.is(0),
|
145 |
"Access to the current project loaded in gvSIG desktop.\n",
|
146 |
"project()",
|
147 |
null,
|
148 |
"Project"
|
149 |
); |
150 |
} |
151 |
|
152 |
@Override
|
153 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
154 |
return currentProject.get();
|
155 |
} |
156 |
|
157 |
} |
158 |
|
159 |
private class ApplicationFunction extends AbstractFunction { |
160 |
|
161 |
public ApplicationFunction() {
|
162 |
super(
|
163 |
PROJECT_GROUP, |
164 |
APPLICATION_NAME, |
165 |
Range.is(0),
|
166 |
"Access to the Application object.\n",
|
167 |
APPLICATION_NAME+"()",
|
168 |
null,
|
169 |
"ApplicationManager"
|
170 |
); |
171 |
} |
172 |
|
173 |
@Override
|
174 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
175 |
return ApplicationLocator.getApplicationManager();
|
176 |
} |
177 |
|
178 |
} |
179 |
|
180 |
private class TabbleFunction extends AbstractFunction { |
181 |
|
182 |
public TabbleFunction() {
|
183 |
super(PROJECT_GROUP,
|
184 |
TABLE_NAME, |
185 |
Range.is(2), // Range.between(1, 2), |
186 |
"Return the data store associated with a layer.", // or a table.\n" + |
187 |
// "If receive a single parameter, it will correspond to " +
|
188 |
// "the name of a table-type document, and it will return " +
|
189 |
// "your data store. If you receive two parameters, you expect " +
|
190 |
// "to be the name of a view and a layer of it, returning the " +
|
191 |
// "data store of the layer.",
|
192 |
TABLE_NAME+"({{view}}, layer)",
|
193 |
new String[]{ |
194 |
"view - String value with the name of a view, if view is null use current View.",
|
195 |
"layer - String value with the name of a layer in the indicated view"
|
196 |
// "table - String value with the name of document table"
|
197 |
}, |
198 |
"DataStore"
|
199 |
); |
200 |
} |
201 |
|
202 |
@Override
|
203 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
204 |
Project project = currentProject.get(); |
205 |
switch (args.length) {
|
206 |
case 1: |
207 |
String tableName = getStr(args, 0); |
208 |
Document document = project.getDocument(tableName, TABLE_DOCUMENT_TYPENAME);
|
209 |
if (document == null) { |
210 |
throw new ExpressionRuntimeException("Problems calling '"+TABLE_NAME+"' function, can't locate table document '"+tableName+"'."); |
211 |
// return null;
|
212 |
} |
213 |
if( document instanceof HasDataStore ) { |
214 |
return ((HasDataStore) document).getDataStore();
|
215 |
} |
216 |
throw new ExpressionRuntimeException("Problems calling '"+TABLE_NAME+"' function, can't get store from table document '"+tableName+"'."); |
217 |
// return null;// return null;
|
218 |
|
219 |
case 2: |
220 |
ViewDocument view; |
221 |
String viewName = getStr(args, 0); |
222 |
if( StringUtils.isBlank(viewName) ) {
|
223 |
view = (ViewDocument) project.getActiveDocument(ViewManager.TYPENAME); |
224 |
if (view == null) { |
225 |
throw new ExpressionRuntimeException("Problems calling '"+TABLE_NAME+"' function, can't locate active View."); |
226 |
// return null;
|
227 |
} |
228 |
} else {
|
229 |
view = (ViewDocument) project.getDocument(viewName, ViewManager.TYPENAME); |
230 |
if (view == null) { |
231 |
throw new ExpressionRuntimeException("Problems calling '"+TABLE_NAME+"' function, can't locate View '"+viewName+"'."); |
232 |
// return null;
|
233 |
} |
234 |
} |
235 |
String layerName = getStr(args, 1); |
236 |
FLayer layer = view.getLayer(layerName); |
237 |
if( layer == null ) { |
238 |
throw new ExpressionRuntimeException("Problems calling '"+TABLE_NAME+"' function, can't locate layer '"+layerName+"' in View '"+viewName+"'."); |
239 |
} |
240 |
if( layer instanceof HasDataStore ) { |
241 |
return ((HasDataStore)layer).getDataStore();
|
242 |
} |
243 |
throw new ExpressionRuntimeException("Problems calling '"+TABLE_NAME+"' function, can't get the store from layer '"+layerName+"' in View '"+viewName+"'."); |
244 |
// return null;
|
245 |
} |
246 |
return null; |
247 |
} |
248 |
|
249 |
} |
250 |
|
251 |
// private class FetchFunction extends AbstractFunction {
|
252 |
//
|
253 |
// public FetchFunction() {
|
254 |
// super(
|
255 |
// PROJECT_GROUP,
|
256 |
// FETCH_NAME,
|
257 |
// Range.between(2, 4),
|
258 |
// "Access to the features of a table and retuen a list with the values.",
|
259 |
// FETCH_NAME+"({{value}}, store, where, order)",
|
260 |
// new String[]{
|
261 |
// "value - value to retrieve from the store, usually an expression in the columns of this are involved.",
|
262 |
// "store - data store from which values will be collected",
|
263 |
// "where - Optional. String value with a filter expression",
|
264 |
// "order - Optional. String value with the order. must be a string with the names of separate fields with commas"
|
265 |
// },
|
266 |
// "Object"
|
267 |
// );
|
268 |
// }
|
269 |
//
|
270 |
// @Override
|
271 |
// public Object call(Interpreter interpreter, Object[] args) throws Exception {
|
272 |
// Object value;
|
273 |
// String where = null;
|
274 |
// String order = null;
|
275 |
// String expression_s = getStr(args, 0);
|
276 |
// FeatureStore store = (FeatureStore) getObject(args, 1);
|
277 |
// switch (args.length) {
|
278 |
// case 3:
|
279 |
// where = getStr(args, 2);
|
280 |
// break;
|
281 |
// case 4:
|
282 |
// where = getStr(args, 2);
|
283 |
// order = getStr(args, 3);
|
284 |
// break;
|
285 |
// }
|
286 |
// try {
|
287 |
// List<Feature> features;
|
288 |
// if (where == null && order == null) {
|
289 |
// features = store.getFeatures();
|
290 |
// } else {
|
291 |
// FeatureQuery query = store.createFeatureQuery();
|
292 |
// if (where != null) {
|
293 |
// query.addFilter(where);
|
294 |
// }
|
295 |
// if (order != null) {
|
296 |
// query.getOrder().add(order);
|
297 |
// }
|
298 |
// query.retrievesAllAttributes();
|
299 |
// features = store.getFeatures(query);
|
300 |
// }
|
301 |
// UnmodifiableBasicList<Object> list = new ListOfFeaturesWrapper(
|
302 |
// features,
|
303 |
// interpreter.getSymbolTable(),
|
304 |
// expression_s
|
305 |
// );
|
306 |
// return list;
|
307 |
// } catch (Exception ex) {
|
308 |
// throw new ExpressionRuntimeException("Problems calling '"+FETCH_NAME+"' function", ex);
|
309 |
// }
|
310 |
// }
|
311 |
// }
|
312 |
//
|
313 |
// private class FetchFirstFunction extends AbstractFunction {
|
314 |
//
|
315 |
// public FetchFirstFunction() {
|
316 |
// super(
|
317 |
// PROJECT_GROUP,
|
318 |
// FETCH_FIRST_NAME,
|
319 |
// Range.between(2, 4),
|
320 |
// "Access to the first feature of the layer, and "
|
321 |
// + "return the value of the attribute.",
|
322 |
// FETCH_FIRST_NAME+"({{value}}, store, where, order)",
|
323 |
// new String[]{
|
324 |
// "value - value to retrieve from the store, usually an expression in the columns of this are involved.",
|
325 |
// "store - data store from which values will be collected",
|
326 |
// "where - Optional. String value with a filter expression",
|
327 |
// "order - Optional. String value with the order. must be a string with the names of separate fields with commas"
|
328 |
// },
|
329 |
// "Object"
|
330 |
// );
|
331 |
// }
|
332 |
//
|
333 |
// @Override
|
334 |
// public Object call(Interpreter interpreter, Object[] args) throws Exception {
|
335 |
// Object value;
|
336 |
// String where = null;
|
337 |
// String order = null;
|
338 |
// String expression_s = getStr(args, 0);
|
339 |
// FeatureStore store = (FeatureStore) getObject(args, 1);
|
340 |
// if( store == null ) {
|
341 |
// throw new ExpressionRuntimeException("Problems calling '"+FETCH_FIRST_NAME+"' function, the store is null.");
|
342 |
// }
|
343 |
// switch (args.length) {
|
344 |
// case 3:
|
345 |
// where = getStr(args, 2);
|
346 |
// break;
|
347 |
// case 4:
|
348 |
// where = getStr(args, 2);
|
349 |
// order = getStr(args, 3);
|
350 |
// break;
|
351 |
// }
|
352 |
// try {
|
353 |
// FeatureSet set;
|
354 |
// if (where == null && order == null) {
|
355 |
// set = store.getFeatureSet();
|
356 |
// } else {
|
357 |
// FeatureQuery query = store.createFeatureQuery();
|
358 |
// if (where != null) {
|
359 |
// query.addFilter(where);
|
360 |
// }
|
361 |
// if (order != null) {
|
362 |
// query.getOrder().add(order);
|
363 |
// }
|
364 |
// query.retrievesAllAttributes();
|
365 |
// set = store.getFeatureSet(query);
|
366 |
// }
|
367 |
// Feature feature = set.first();
|
368 |
// if (feature == null) {
|
369 |
// return null;
|
370 |
// }
|
371 |
// DataManager dataManager = DALLocator.getDataManager();
|
372 |
// FeatureSymbolTable symbolTable = dataManager.createFeatureSymbolTable();
|
373 |
// symbolTable.setFeature(feature);
|
374 |
//
|
375 |
// ExpressionEvaluatorManager expManager = ExpressionEvaluatorLocator.getManager();
|
376 |
// Expression expression = expManager.createExpression();
|
377 |
// expression.setPhrase(expression_s);
|
378 |
// value = expression.execute(symbolTable.createParent());
|
379 |
//
|
380 |
// return value;
|
381 |
// } catch (Exception ex) {
|
382 |
// throw new ExpressionRuntimeException("Problems calling '"+FETCH_FIRST_NAME+"' function", ex);
|
383 |
// }
|
384 |
// }
|
385 |
// }
|
386 |
|
387 |
private class FetchFirstSelectedFunction extends AbstractFunction { |
388 |
|
389 |
public FetchFirstSelectedFunction() {
|
390 |
super(
|
391 |
PROJECT_GROUP, |
392 |
FETCH_FIRST_SELECTED_NAME, |
393 |
Range.is(2),
|
394 |
"Access to the first feature of the selection.",
|
395 |
FETCH_FIRST_SELECTED_NAME+"({{value}}, store)",
|
396 |
new String[]{ |
397 |
"value - value to retrieve from the store, usually an expression in the columns of this are involved.",
|
398 |
"store - data store from which values will be collected"
|
399 |
}, |
400 |
"Object"
|
401 |
); |
402 |
} |
403 |
|
404 |
@Override
|
405 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
406 |
String expression_s = getStr(args, 0); |
407 |
FeatureStore store = (FeatureStore) getObject(args, 1);
|
408 |
try {
|
409 |
FeatureSet set = store.getFeatureSelection(); |
410 |
Feature feature = set.first(); |
411 |
if (feature == null) { |
412 |
return null; |
413 |
} |
414 |
DataManager dataManager = DALLocator.getDataManager(); |
415 |
FeatureSymbolTable symbolTable = dataManager.createFeatureSymbolTable(); |
416 |
symbolTable.setFeature(feature); |
417 |
|
418 |
ExpressionEvaluatorManager expManager = ExpressionEvaluatorLocator.getManager(); |
419 |
Expression expression = expManager.createExpression();
|
420 |
expression.setPhrase(expression_s); |
421 |
Object value = expression.execute(symbolTable.createParent());
|
422 |
|
423 |
return value;
|
424 |
} catch (Exception ex) { |
425 |
throw new ExpressionRuntimeException("Problems calling '"+FETCH_FIRST_SELECTED_NAME+"' function", ex); |
426 |
} |
427 |
} |
428 |
} |
429 |
|
430 |
private class ViewFunction extends AbstractFunction { |
431 |
|
432 |
public ViewFunction() {
|
433 |
super(
|
434 |
PROJECT_GROUP, |
435 |
"view",
|
436 |
Range.is(1),
|
437 |
"Access to the indicated view",
|
438 |
"view({{viewName}})",
|
439 |
new String[]{ |
440 |
"view - String value with the name of a view"
|
441 |
}, |
442 |
"DocumentView"
|
443 |
); |
444 |
} |
445 |
|
446 |
@Override
|
447 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
448 |
String viewName = getStr(args, 0); |
449 |
Project project = currentProject.get(); |
450 |
ViewDocument view = (ViewDocument) project.getDocument(viewName, ViewManager.TYPENAME); |
451 |
return view;
|
452 |
} |
453 |
|
454 |
} |
455 |
|
456 |
private class ViewBBoxFunction extends AbstractFunction { |
457 |
|
458 |
public ViewBBoxFunction() {
|
459 |
super(
|
460 |
PROJECT_GROUP, |
461 |
"viewbbox",
|
462 |
Range.is(0),
|
463 |
"Return the BBox of the active view.",
|
464 |
"viewbbox()",
|
465 |
null,
|
466 |
"Geometry"
|
467 |
); |
468 |
} |
469 |
|
470 |
@Override
|
471 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
472 |
return currentViewEnvelope.get();
|
473 |
} |
474 |
|
475 |
} |
476 |
|
477 |
|
478 |
private class SavedPointFunction extends AbstractFunction { |
479 |
|
480 |
public SavedPointFunction() {
|
481 |
super(
|
482 |
PROJECT_GROUP, |
483 |
"savedpoint",
|
484 |
Range.is(1),
|
485 |
"Return the value of the saved point with the name indicated.\n"
|
486 |
+ "If the named point do not exists return null.",
|
487 |
"savedpoint({{name}})",
|
488 |
new String[]{ |
489 |
"name - String value with the name of the point"
|
490 |
}, |
491 |
"Geometry"
|
492 |
); |
493 |
} |
494 |
|
495 |
@Override
|
496 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
497 |
TemporaryStorageManager manager = TemporaryStorageLocator.getTemporaryStorageManager(); |
498 |
TemporaryStorageGroup storage = manager.create("Points",Point.class); |
499 |
Geometry value = (Geometry) storage.get(getStr(args, 0));
|
500 |
return value;
|
501 |
} |
502 |
|
503 |
} |
504 |
|
505 |
private class AreaFunction extends AbstractGeometryFunction { |
506 |
|
507 |
public AreaFunction() {
|
508 |
super(
|
509 |
PROJECT_GROUP, |
510 |
AREA_NAME, |
511 |
Range.between(2,3), |
512 |
"Calculate the area of the geometry in the indicated units",
|
513 |
AREA_NAME+"({{geometry}}, 'm?')",
|
514 |
new String[]{ |
515 |
"geometry - Geometry",
|
516 |
"Projection - Optional. Projection of the geometry or a string with the projection name",
|
517 |
"units - String value with the name the units to use"
|
518 |
}, |
519 |
"Double"
|
520 |
); |
521 |
} |
522 |
|
523 |
@Override
|
524 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
525 |
int units = 0; |
526 |
IProjection proj = null;
|
527 |
Geometry geom = getGeom(args, 0);
|
528 |
switch( args.length ) {
|
529 |
case 2: |
530 |
units = getUnitsArea(args, 1);
|
531 |
break;
|
532 |
case 3: |
533 |
proj = getProjection(args, 1);
|
534 |
units = getUnitsArea(args, 2);
|
535 |
break;
|
536 |
} |
537 |
if (proj == null) { |
538 |
proj = geom.getProjection(); |
539 |
} |
540 |
AreaAndPerimeterCalculator calculator = new AreaAndPerimeterCalculator();
|
541 |
double area = calculator.area(geom, proj, units);
|
542 |
return area;
|
543 |
} |
544 |
} |
545 |
|
546 |
private class PerimeterFunction extends AbstractGeometryFunction { |
547 |
|
548 |
public PerimeterFunction() {
|
549 |
super(
|
550 |
PROJECT_GROUP, |
551 |
PERIMETER_NAME, |
552 |
Range.between(2,3), |
553 |
"Calculate the perimeter of the geometry in the indicated units",
|
554 |
PERIMETER_NAME+"({{geometry}}, 'm')",
|
555 |
new String[]{ |
556 |
"geometry - Geometry",
|
557 |
"Projection - Optional. Projection of the geometry or a string with the projection name",
|
558 |
"units - String value with the name the units to use"
|
559 |
}, |
560 |
"Double"
|
561 |
); |
562 |
} |
563 |
|
564 |
@Override
|
565 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
566 |
int units = 0; |
567 |
IProjection proj = null;
|
568 |
Geometry geom = getGeom(args, 0);
|
569 |
switch( args.length ) {
|
570 |
case 2: |
571 |
units = getUnitsDistance(args, 1);
|
572 |
break;
|
573 |
case 3: |
574 |
proj = getProjection(args, 1);
|
575 |
units = getUnitsDistance(args, 2);
|
576 |
break;
|
577 |
} |
578 |
if (proj == null) { |
579 |
proj = geom.getProjection(); |
580 |
} |
581 |
AreaAndPerimeterCalculator calculator = new AreaAndPerimeterCalculator();
|
582 |
double perimeter = calculator.perimeter(geom, proj, units);
|
583 |
return perimeter;
|
584 |
} |
585 |
} |
586 |
|
587 |
private class PropertyFunction extends AbstractFunction { |
588 |
|
589 |
public PropertyFunction() {
|
590 |
super(
|
591 |
PROJECT_GROUP, |
592 |
"property",
|
593 |
Range.between(2, 3), |
594 |
"Access to a property value in a properties file. If the"
|
595 |
+ "indicated filename is not absolute, access it relative"
|
596 |
+ "to the project.",
|
597 |
"property({{filename}}, name, defaultValue)",
|
598 |
new String[]{ |
599 |
"filename - String value with the name of the properties file",
|
600 |
"name - String value with the name of the property to retrieve from the file",
|
601 |
"defaultValue - Optional. Default value if can't access the file or the property",},
|
602 |
"String"
|
603 |
); |
604 |
} |
605 |
|
606 |
@Override
|
607 |
public Object call(Interpreter interpreter, Object[] args) throws Exception { |
608 |
String filename = getStr(args, 0); |
609 |
String name = getStr(args, 1); |
610 |
String defaultValue = null; |
611 |
if (args.length == 3) { |
612 |
defaultValue = getStr(args, 2);
|
613 |
} |
614 |
|
615 |
File file = new File(filename); |
616 |
if (!file.isAbsolute()) {
|
617 |
Project project = currentProject.get(); |
618 |
if (project.getFile() == null) { |
619 |
return defaultValue;
|
620 |
} |
621 |
file = new File(project.getFile().getParent(), filename); |
622 |
} |
623 |
Map<File, Properties> x = propertiesFiles.get(); |
624 |
Properties properties = x.get(file);
|
625 |
if (properties == null) { |
626 |
properties = new Properties(); |
627 |
FileInputStream in = null; |
628 |
try {
|
629 |
in = new FileInputStream(file); |
630 |
properties.load(in); |
631 |
} catch (Exception ex) { |
632 |
return defaultValue;
|
633 |
} finally {
|
634 |
IOUtils.closeQuietly(in); |
635 |
} |
636 |
x.put(file, properties); |
637 |
} |
638 |
String value = properties.getProperty(name, defaultValue);
|
639 |
return value;
|
640 |
} |
641 |
|
642 |
} |
643 |
|
644 |
@SuppressWarnings("OverridableMethodCallInConstructor") |
645 |
public ProjectSymbolTable() {
|
646 |
super(NAME);
|
647 |
this.addFunction(new CurrentProjectFunction()); |
648 |
this.addFunction(new TabbleFunction()); |
649 |
// this.addFunction(new FetchFunction());
|
650 |
// this.addFunction(new FetchFirstFunction());
|
651 |
this.addFunction(new FetchFirstSelectedFunction()); |
652 |
this.addFunction(new ViewFunction()); |
653 |
this.addFunction(new ViewBBoxFunction()); |
654 |
this.addFunction(new PropertyFunction()); |
655 |
this.addFunction(new AreaFunction()); |
656 |
this.addFunction(new PerimeterFunction()); |
657 |
this.addFunction(new SavedPointFunction()); |
658 |
this.addFunction(new ApplicationFunction()); |
659 |
} |
660 |
|
661 |
private MapContext getMapContext(Feature feature) {
|
662 |
FeatureStore store = feature.getStore(); |
663 |
Project project = ProjectManager.getInstance().getCurrentProject(); |
664 |
project.getDocuments(ViewManager.TYPENAME); |
665 |
for (Document document : project.getDocuments(ViewManager.TYPENAME)) { |
666 |
ViewDocument view = (ViewDocument) document; |
667 |
MapContext mapContext = view.getMapContext(); |
668 |
FLayer layer = getLayer(mapContext, store); |
669 |
if (layer != null) { |
670 |
return mapContext;
|
671 |
} |
672 |
} |
673 |
return null; |
674 |
} |
675 |
|
676 |
private FLayer getLayer(MapContext mapContext, FeatureStore store) {
|
677 |
Iterator<FLayer> it = mapContext.deepiterator();
|
678 |
while (it.hasNext()) {
|
679 |
FLayer layer = it.next(); |
680 |
if (layer instanceof FLyrVect) { |
681 |
FeatureStore layer_store = ((FLyrVect) layer).getFeatureStore(); |
682 |
if (layer_store == store) {
|
683 |
return layer;
|
684 |
} |
685 |
} |
686 |
} |
687 |
return null; |
688 |
} |
689 |
|
690 |
private IProjection getProjection(Object[] args, int i) { |
691 |
Object value = args[i];
|
692 |
if (value == null) { |
693 |
return null; |
694 |
} |
695 |
if (value instanceof IProjection) { |
696 |
return (IProjection) value;
|
697 |
} |
698 |
String code = value.toString();
|
699 |
return CRSFactory.getCRS(code);
|
700 |
} |
701 |
|
702 |
private int getUnitsArea(Object[] args, int i) { |
703 |
Object value = args[i];
|
704 |
if (value == null) { |
705 |
throw new IllegalArgumentException("Illegal unit value 'null'"); |
706 |
} |
707 |
if (value instanceof Number) { |
708 |
return ((Number) value).intValue(); |
709 |
} |
710 |
String name = value.toString();
|
711 |
String[] names = MapContext.getAreaAbbr(); |
712 |
for (int j = 0; j < names.length; j++) { |
713 |
if (name.equalsIgnoreCase(names[j])) {
|
714 |
return j;
|
715 |
} |
716 |
} |
717 |
names = MapContext.getAreaNames(); |
718 |
for (int j = 0; j < names.length; j++) { |
719 |
if (name.equalsIgnoreCase(names[j])) {
|
720 |
return j;
|
721 |
} |
722 |
} |
723 |
throw new IllegalArgumentException("Illegal unit name '" + name + "'"); |
724 |
} |
725 |
|
726 |
private int getUnitsDistance(Object[] args, int i) { |
727 |
Object value = args[i];
|
728 |
if (value == null) { |
729 |
throw new IllegalArgumentException("Illegal unit value 'null'"); |
730 |
} |
731 |
if (value instanceof Number) { |
732 |
return ((Number) value).intValue(); |
733 |
} |
734 |
String name = value.toString();
|
735 |
String[] names = MapContext.getDistanceAbbr(); |
736 |
for (int j = 0; j < names.length; j++) { |
737 |
if (name.equalsIgnoreCase(names[j])) {
|
738 |
return j;
|
739 |
} |
740 |
} |
741 |
names = MapContext.getDistanceNames(); |
742 |
for (int j = 0; j < names.length; j++) { |
743 |
if (name.equalsIgnoreCase(names[j])) {
|
744 |
return j;
|
745 |
} |
746 |
} |
747 |
throw new IllegalArgumentException("Illegal unit name '" + name + "'"); |
748 |
} |
749 |
|
750 |
@Override
|
751 |
protected Map<String, Object> getVars() { |
752 |
if( this.appvars == null ) { |
753 |
PluginsManager manager = PluginsLocator.getPluginsManager(); |
754 |
this.appvars = new HashMap<>(); |
755 |
this.appvars.put("$GVSIGFOLDER",manager.getApplicationFolder().getAbsolutePath()); |
756 |
this.appvars.put("$GVSIGHOMEFOLDER",manager.getApplicationHomeFolder().getAbsolutePath()); |
757 |
this.appvars.put("$GVSIGVERSION",manager.getApplicationVersion()); |
758 |
this.appvars.put("$GVSIGARGS",manager.getArguments()); |
759 |
this.appvars.put("$GVSIGPACKAGE",manager.getPackageInfo()); |
760 |
} |
761 |
return this.appvars; |
762 |
} |
763 |
|
764 |
@Override
|
765 |
public void setVar(String name, Object value) { |
766 |
// Do noting ??
|
767 |
} |
768 |
|
769 |
@Override
|
770 |
public void removeVar(String name) { |
771 |
// Do noting ??
|
772 |
} |
773 |
|
774 |
} |