root / trunk / extensions / extSDE / src / com / iver / cit / gvsig / fmap / drivers / sde / ArcSdeFeatureIterator.java @ 13444
History | View | Annotate | Download (12.5 KB)
1 |
/*
|
---|---|
2 |
* Created on 11-mar-2005
|
3 |
*
|
4 |
* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
5 |
*
|
6 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
7 |
*
|
8 |
* This program is free software; you can redistribute it and/or
|
9 |
* modify it under the terms of the GNU General Public License
|
10 |
* as published by the Free Software Foundation; either version 2
|
11 |
* of the License, or (at your option) any later version.
|
12 |
*
|
13 |
* This program is distributed in the hope that it will be useful,
|
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
16 |
* GNU General Public License for more details.
|
17 |
*
|
18 |
* You should have received a copy of the GNU General Public License
|
19 |
* along with this program; if not, write to the Free Software
|
20 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
21 |
*
|
22 |
* For more information, contact:
|
23 |
*
|
24 |
* Generalitat Valenciana
|
25 |
* Conselleria d'Infraestructures i Transport
|
26 |
* Av. Blasco Ib??ez, 50
|
27 |
* 46010 VALENCIA
|
28 |
* SPAIN
|
29 |
*
|
30 |
* +34 963862235
|
31 |
* gvsig@gva.es
|
32 |
* www.gvsig.gva.es
|
33 |
*
|
34 |
* or
|
35 |
*
|
36 |
* IVER T.I. S.A
|
37 |
* Salamanca 50
|
38 |
* 46005 Valencia
|
39 |
* Spain
|
40 |
*
|
41 |
* +34 963163400
|
42 |
* dac@iver.es
|
43 |
*/
|
44 |
package com.iver.cit.gvsig.fmap.drivers.sde; |
45 |
|
46 |
import java.awt.geom.PathIterator; |
47 |
import java.sql.SQLException; |
48 |
import java.util.ArrayList; |
49 |
|
50 |
import com.esri.sde.sdk.client.SDEPoint; |
51 |
import com.esri.sde.sdk.client.SeColumnDefinition; |
52 |
import com.esri.sde.sdk.client.SeCoordinateReference; |
53 |
import com.esri.sde.sdk.client.SeException; |
54 |
import com.esri.sde.sdk.client.SeQuery; |
55 |
import com.esri.sde.sdk.client.SeRow; |
56 |
import com.esri.sde.sdk.client.SeShape; |
57 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
58 |
import com.hardcode.gdbms.engine.values.Value; |
59 |
import com.hardcode.gdbms.engine.values.ValueFactory; |
60 |
import com.iver.andami.messages.NotificationManager; |
61 |
import com.iver.cit.gvsig.fmap.core.DefaultFeature; |
62 |
import com.iver.cit.gvsig.fmap.core.FMultiPoint2D; |
63 |
import com.iver.cit.gvsig.fmap.core.FNullGeometry; |
64 |
import com.iver.cit.gvsig.fmap.core.FPoint2D; |
65 |
import com.iver.cit.gvsig.fmap.core.FShape; |
66 |
import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
67 |
import com.iver.cit.gvsig.fmap.core.IFeature; |
68 |
import com.iver.cit.gvsig.fmap.core.IGeometry; |
69 |
import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
70 |
import com.iver.cit.gvsig.fmap.drivers.IFeatureIterator; |
71 |
|
72 |
/**
|
73 |
* @author FJP
|
74 |
*/
|
75 |
public class ArcSdeFeatureIterator implements IFeatureIterator { |
76 |
IGeometry geom; |
77 |
int numColumns;
|
78 |
private SeQuery query = null; |
79 |
private boolean bFirst; |
80 |
Value[] regAtt;
|
81 |
SeRow row; |
82 |
private int index=0; |
83 |
|
84 |
static GeneralPathX convertSeShapeToGeneralPathX(SeShape spVal) throws SeException |
85 |
{ |
86 |
double[][][] points = spVal.getAllCoords(SeShape.TURN_RIGHT); |
87 |
GeneralPathX gpx = new GeneralPathX();
|
88 |
// Display the X and Y values
|
89 |
boolean bStartPart;
|
90 |
for( int partNo = 0 ; partNo < points.length ; partNo++) |
91 |
{ |
92 |
for( int subPartNo = 0 ; subPartNo < points[partNo].length ; subPartNo++) |
93 |
{ |
94 |
bStartPart = true;
|
95 |
for( int pointNo = 0 ; pointNo < points[partNo][subPartNo].length ; pointNo+=2) |
96 |
{ |
97 |
if (bStartPart)
|
98 |
{ |
99 |
bStartPart = false;
|
100 |
gpx.moveTo(points[partNo][subPartNo][pointNo], |
101 |
points[partNo][subPartNo][(pointNo+1)]);
|
102 |
} |
103 |
else
|
104 |
gpx.lineTo(points[partNo][subPartNo][pointNo], |
105 |
points[partNo][subPartNo][(pointNo+1)]);
|
106 |
|
107 |
} |
108 |
} |
109 |
} |
110 |
return gpx;
|
111 |
} |
112 |
|
113 |
public static IGeometry getGeometry( SeShape shape ) { |
114 |
|
115 |
try {
|
116 |
/*
|
117 |
* Retrieve the shape type.
|
118 |
*/
|
119 |
int type = -1; |
120 |
type = shape.getType(); |
121 |
|
122 |
// Display the X and Y values
|
123 |
/* for( int partNo = 0 ; partNo < points.length ; partNo++, System.out.println("") )
|
124 |
for( int subPartNo = 0 ; subPartNo < points[partNo].length ; subPartNo++, System.out.println("") )
|
125 |
for( int pointNo = 0 ; pointNo < points[partNo][subPartNo].length ; pointNo+=2)
|
126 |
System.out.println("X: " + points[partNo][subPartNo][pointNo] + "\tY: "
|
127 |
+ points[partNo][subPartNo][(pointNo+1)] ); */
|
128 |
switch( type )
|
129 |
{ |
130 |
case SeShape.TYPE_POINT:
|
131 |
double[][][] points = shape.getAllCoords(); |
132 |
FPoint2D p = new FPoint2D(points[0][0][0],points[0][0][1]); |
133 |
return ShapeFactory.createPoint2D(p);
|
134 |
|
135 |
case SeShape.TYPE_LINE:
|
136 |
case SeShape.TYPE_MULTI_LINE:
|
137 |
case SeShape.TYPE_MULTI_SIMPLE_LINE:
|
138 |
case SeShape.TYPE_SIMPLE_LINE:
|
139 |
GeneralPathX gpx = new GeneralPathX(shape.toGeneralPath());
|
140 |
return ShapeFactory.createPolyline2D(gpx);
|
141 |
|
142 |
case SeShape.TYPE_MULTI_POINT:
|
143 |
break;
|
144 |
|
145 |
case SeShape.TYPE_NIL:
|
146 |
return new FNullGeometry(); |
147 |
case SeShape.TYPE_POLYGON:
|
148 |
case SeShape.TYPE_MULTI_POLYGON:
|
149 |
// GeneralPathX gpx2 = new GeneralPathX(shape.toGeneralPath());
|
150 |
GeneralPathX gpx2 = convertSeShapeToGeneralPathX(shape); |
151 |
/* SeExtent r = shape.getExtent();
|
152 |
GeneralPathX gpx2 = new GeneralPathX();
|
153 |
gpx2.moveTo(r.getMinX(), r.getMinY());
|
154 |
gpx2.lineTo(r.getMaxX(), r.getMinY());
|
155 |
gpx2.lineTo(r.getMaxX(), r.getMaxY());
|
156 |
gpx2.lineTo(r.getMinX(), r.getMaxY());
|
157 |
gpx2.closePath(); */
|
158 |
return ShapeFactory.createPolygon2D(gpx2);
|
159 |
|
160 |
} // End switch
|
161 |
} |
162 |
catch (SeException e)
|
163 |
{ |
164 |
NotificationManager.addError(e); |
165 |
} |
166 |
return new FNullGeometry(); |
167 |
} |
168 |
|
169 |
|
170 |
public static SeShape constructShape(IGeometry geometry, SeCoordinateReference seSrs) { |
171 |
SeShape shape = null;
|
172 |
|
173 |
try {
|
174 |
shape = new SeShape(seSrs);
|
175 |
} catch (SeException ex) {
|
176 |
|
177 |
} |
178 |
|
179 |
// if (geometry.isEmpty()) {
|
180 |
// return shape;
|
181 |
// }
|
182 |
|
183 |
int numParts=1; |
184 |
// GeometryCollection gcol = null;
|
185 |
//
|
186 |
// if (geometry instanceof GeometryCollection) {
|
187 |
// gcol = (GeometryCollection) geometry;
|
188 |
// } else {
|
189 |
// Geometry[] geoms = { geometry };
|
190 |
// gcol = new GeometryFactory().createGeometryCollection(geoms);
|
191 |
// }
|
192 |
|
193 |
// List allPoints = new ArrayList();
|
194 |
// numParts = gcol.getNumGeometries();
|
195 |
|
196 |
int[] partOffsets = new int[numParts]; |
197 |
// Geometry geom;
|
198 |
// Coordinate[] coords;
|
199 |
// Coordinate c;
|
200 |
SDEPoint[] points = getPoints(geometry);
|
201 |
partOffsets[0]=points.length;
|
202 |
// for (int currGeom = 0; currGeom < numParts; currGeom++) {
|
203 |
// partOffsets[currGeom] = allPoints.size();
|
204 |
// geom = gcol.getGeometryN(currGeom);
|
205 |
//
|
206 |
// coords = geom.getCoordinates();
|
207 |
//
|
208 |
// for (int i = 0; i < coords.length; i++) {
|
209 |
// c = coords[i];
|
210 |
// allPoints.add(new SDEPoint(c.x, c.y));
|
211 |
// }
|
212 |
// }
|
213 |
|
214 |
// SDEPoint[] points = new SDEPoint[allPoints.size()];
|
215 |
// allPoints.toArray(points);
|
216 |
|
217 |
try {
|
218 |
if (geometry.getGeometryType()==FShape.POINT || geometry instanceof FMultiPoint2D) { |
219 |
shape.generatePoint(points.length, points); |
220 |
} else if (geometry.getGeometryType()==FShape.LINE) { |
221 |
shape |
222 |
.generateLine(points.length, numParts, partOffsets, |
223 |
points); |
224 |
} else {
|
225 |
shape.generatePolygon(points.length, numParts, partOffsets, |
226 |
points); |
227 |
} |
228 |
} catch (SeException e) {
|
229 |
NotificationManager.addError(e); |
230 |
} |
231 |
|
232 |
return shape;
|
233 |
} |
234 |
|
235 |
private static SDEPoint[] getPoints(IGeometry g) { |
236 |
// if (FConstant.SHAPE_TYPE_MULTIPOINTZ == m_type){
|
237 |
// zs=((IGeometry3D)g).getZs();
|
238 |
// }
|
239 |
PathIterator theIterator = g.getPathIterator(null); //polyLine.getPathIterator(null, flatness); |
240 |
double[] theData = new double[6]; |
241 |
ArrayList ps=new ArrayList(); |
242 |
while (!theIterator.isDone()) {
|
243 |
//while not done
|
244 |
int theType = theIterator.currentSegment(theData);
|
245 |
|
246 |
ps.add(new SDEPoint(theData[0], theData[1])); |
247 |
theIterator.next(); |
248 |
} //end while loop
|
249 |
SDEPoint[] points = (SDEPoint[])ps.toArray(new SDEPoint[0]); |
250 |
return points;
|
251 |
} |
252 |
|
253 |
|
254 |
|
255 |
|
256 |
/**
|
257 |
* @throws SQLException
|
258 |
*
|
259 |
*/
|
260 |
public ArcSdeFeatureIterator(SeQuery query) {
|
261 |
// Debe ser forward only
|
262 |
this.query = query;
|
263 |
try {
|
264 |
row = query.fetch(); |
265 |
if (row == null) |
266 |
{ |
267 |
bFirst = true;
|
268 |
return;
|
269 |
} |
270 |
numColumns = row.getNumColumns(); |
271 |
regAtt = new Value[numColumns-1]; |
272 |
bFirst = true;
|
273 |
SeColumnDefinition[] colDefs = row.getColumns();
|
274 |
for (int i=0; i<colDefs.length;i++){ |
275 |
if (colDefs[i].getName().equals("OBJECTID")){ |
276 |
index=i; |
277 |
break;
|
278 |
} |
279 |
} |
280 |
} catch (SeException e) {
|
281 |
|
282 |
NotificationManager.addError(e); |
283 |
} |
284 |
} |
285 |
|
286 |
/* (non-Javadoc)
|
287 |
* @see com.iver.cit.gvsig.fmap.drivers.jdbc.GeometryIterator#hasNext()
|
288 |
*/
|
289 |
public boolean hasNext() { |
290 |
try {
|
291 |
if (bFirst)
|
292 |
bFirst = false;
|
293 |
else
|
294 |
row = query.fetch(); |
295 |
if (row == null) |
296 |
{ |
297 |
query.close(); |
298 |
return false; |
299 |
} |
300 |
|
301 |
return true; |
302 |
} |
303 |
catch (SeException e) {
|
304 |
NotificationManager.addError(e); |
305 |
|
306 |
} |
307 |
return false; |
308 |
} |
309 |
|
310 |
/* (non-Javadoc)
|
311 |
* @see com.iver.cit.gvsig.fmap.drivers.jdbc.GeometryIterator#next()
|
312 |
*/
|
313 |
public IFeature next(){
|
314 |
SeShape spVal = null;
|
315 |
SeColumnDefinition[] colDefs = row.getColumns();
|
316 |
IFeature feat = null;
|
317 |
try
|
318 |
{ |
319 |
|
320 |
if ( row != null ) |
321 |
{ |
322 |
int hasgeom=0; |
323 |
for (int colNum = 0; colNum < colDefs.length; colNum++) |
324 |
{ |
325 |
SeColumnDefinition colDef = colDefs[colNum]; |
326 |
int dataType = colDef.getType();
|
327 |
if ( row.getIndicator((short)colNum) != SeRow.SE_IS_NULL_VALUE) |
328 |
{ |
329 |
switch( dataType )
|
330 |
{ |
331 |
case SeColumnDefinition.TYPE_SHAPE:
|
332 |
spVal = row.getShape(colNum); |
333 |
geom = getGeometry(spVal); |
334 |
hasgeom=-1;
|
335 |
break;
|
336 |
case SeColumnDefinition.TYPE_INT16:
|
337 |
regAtt[colNum+hasgeom] = ValueFactory.createValue(row.getShort(colNum).intValue()); |
338 |
break;
|
339 |
case SeColumnDefinition.TYPE_DATE:
|
340 |
regAtt[colNum+hasgeom] = ValueFactory.createValue(row.getTime(colNum).getTime()); |
341 |
break;
|
342 |
|
343 |
case SeColumnDefinition.TYPE_INT32:
|
344 |
case SeColumnDefinition.TYPE_INT64:
|
345 |
regAtt[colNum+hasgeom] = ValueFactory.createValue(row.getInteger(colNum).intValue()); |
346 |
break;
|
347 |
|
348 |
case SeColumnDefinition.TYPE_FLOAT32:
|
349 |
regAtt[colNum+hasgeom] = ValueFactory.createValue(row.getFloat(colNum).floatValue()); |
350 |
break;
|
351 |
|
352 |
case SeColumnDefinition.TYPE_FLOAT64:
|
353 |
regAtt[colNum+hasgeom] = ValueFactory.createValue(row.getDouble(colNum).doubleValue()); |
354 |
break;
|
355 |
|
356 |
case SeColumnDefinition.TYPE_STRING:
|
357 |
case SeColumnDefinition.TYPE_NSTRING:
|
358 |
regAtt[colNum+hasgeom] = ValueFactory.createValue(row.getString(colNum)); |
359 |
break;
|
360 |
|
361 |
|
362 |
} // End switch
|
363 |
} // End if
|
364 |
} // for
|
365 |
//System.out.println("Dentro de next(): " + spVal.getFeatureId().longValue() + " " + regAtt[0]);
|
366 |
|
367 |
feat = new DefaultFeature(geom, regAtt,String.valueOf(regAtt[index-1]));//""+ spVal.getFeatureId().longValue()); |
368 |
} // if
|
369 |
|
370 |
|
371 |
} catch (SeException e)
|
372 |
{ |
373 |
NotificationManager.addError(e); |
374 |
} |
375 |
|
376 |
|
377 |
return feat;
|
378 |
} |
379 |
|
380 |
public void closeIterator() throws ReadDriverException { |
381 |
try {
|
382 |
bFirst=false;
|
383 |
query.close(); |
384 |
} catch (SeException e) {
|
385 |
throw new ReadDriverException("ArcSDE",e); |
386 |
} |
387 |
|
388 |
} |
389 |
|
390 |
} |