svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.sqlite / org.gvsig.sqlite.provider / src / main / java / org / gvsig / sqlite / dal / functions / ST_GeomFromWKB.java @ 47456
History | View | Annotate | Download (2.31 KB)
1 |
/*
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2020 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, see <https://www.gnu.org/licenses/>.
|
18 |
*
|
19 |
* For any additional information, do not hesitate to contact us
|
20 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
21 |
*/
|
22 |
package org.gvsig.sqlite.dal.functions; |
23 |
|
24 |
import java.sql.SQLException; |
25 |
import org.cresques.cts.IProjection; |
26 |
import org.gvsig.fmap.geom.Geometry; |
27 |
import org.gvsig.fmap.geom.GeometryLocator; |
28 |
import org.gvsig.fmap.geom.GeometryManager; |
29 |
import org.gvsig.sqlite.dal.geopackage.GeopackageGeometryBuilder; |
30 |
import org.gvsig.sqlite.dal.geopackage.GeopackageUtils; |
31 |
import org.sqlite.SQLiteConnection; |
32 |
|
33 |
/**
|
34 |
*
|
35 |
* @author gvSIG Team
|
36 |
*/
|
37 |
@SuppressWarnings("UseSpecificCatch") |
38 |
public class ST_GeomFromWKB extends Functions.AbstractFunction { |
39 |
|
40 |
public ST_GeomFromWKB(SQLiteConnection conn) {
|
41 |
super("ST_GeomFromWKB", conn); |
42 |
} |
43 |
|
44 |
@Override
|
45 |
protected void xFunc() throws SQLException { |
46 |
try {
|
47 |
byte[] wkb = value_blob(0); |
48 |
if (wkb == null) { |
49 |
this.result();
|
50 |
return;
|
51 |
} |
52 |
int srs_id = value_int(1); |
53 |
IProjection proj = GeopackageUtils.getProjection(this.getConnection(), srs_id);
|
54 |
GeometryManager geommanager = GeometryLocator.getGeometryManager(); |
55 |
Geometry geom1 = geommanager.createFrom(wkb, proj); |
56 |
GeopackageGeometryBuilder builder = GeopackageUtils.createGeometryBuilder(); |
57 |
builder.setGeometry(this.getConnection(), geom1);
|
58 |
byte[] bytes = builder.build(); |
59 |
this.result(bytes);
|
60 |
} catch (Throwable ex) { |
61 |
throw new SQLException("Can't get geometry bytes from wkb+srs_id", ex); |
62 |
} |
63 |
} |
64 |
} |