root / org.gvsig.toolbox / trunk / org.gvsig.toolbox / org.gvsig.toolbox.algorithm / src / main / java / es / unex / sextante / vectorTools / saveToWKT / SaveToWKTAlgorithm.java @ 59
History | View | Annotate | Download (3.52 KB)
1 | 59 | nbrodin | |
---|---|---|---|
2 | |||
3 | package es.unex.sextante.vectorTools.saveToWKT; |
||
4 | |||
5 | |||
6 | import java.io.BufferedWriter; |
||
7 | import java.io.FileWriter; |
||
8 | import java.io.IOException; |
||
9 | import java.io.Writer; |
||
10 | |||
11 | import com.vividsolutions.jts.geom.Geometry; |
||
12 | import com.vividsolutions.jts.io.WKTWriter; |
||
13 | |||
14 | import es.unex.sextante.additionalInfo.AdditionalInfoVectorLayer; |
||
15 | import es.unex.sextante.core.GeoAlgorithm; |
||
16 | import es.unex.sextante.core.Sextante; |
||
17 | import es.unex.sextante.dataObjects.IFeature; |
||
18 | import es.unex.sextante.dataObjects.IFeatureIterator; |
||
19 | import es.unex.sextante.dataObjects.IVectorLayer; |
||
20 | import es.unex.sextante.dataObjects.vectorFilters.BoundingBoxFilter; |
||
21 | import es.unex.sextante.exceptions.GeoAlgorithmExecutionException; |
||
22 | import es.unex.sextante.exceptions.IteratorException; |
||
23 | import es.unex.sextante.exceptions.RepeatedParameterNameException; |
||
24 | |||
25 | |||
26 | public class SaveToWKTAlgorithm |
||
27 | extends
|
||
28 | GeoAlgorithm { |
||
29 | |||
30 | public static final String LAYER = "LAYER"; |
||
31 | public static final String RESULT = "RESULT"; |
||
32 | public static final String FILENAME = "FILENAME"; |
||
33 | |||
34 | |||
35 | @Override
|
||
36 | public boolean processAlgorithm() throws GeoAlgorithmExecutionException { |
||
37 | |||
38 | final IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(LAYER);
|
||
39 | final String sFilename = m_Parameters.getParameterValueAsString(FILENAME); |
||
40 | |||
41 | if (!m_bIsAutoExtent) {
|
||
42 | layer.addFilter(new BoundingBoxFilter(m_AnalysisExtent));
|
||
43 | } |
||
44 | |||
45 | if (sFilename != null) { |
||
46 | Writer output = null; |
||
47 | final WKTWriter wkt = new WKTWriter(); |
||
48 | try {
|
||
49 | output = new BufferedWriter(new FileWriter(sFilename)); |
||
50 | final int iShapeCount = layer.getShapesCount(); |
||
51 | int i = 0; |
||
52 | final IFeatureIterator iter = layer.iterator();
|
||
53 | while (iter.hasNext() && setProgress(i, iShapeCount)) {
|
||
54 | try {
|
||
55 | final IFeature feature = iter.next();
|
||
56 | final Geometry geom = feature.getGeometry();
|
||
57 | output.write("WKT=" + wkt.write(geom) + "\n"); |
||
58 | final int iFieldCount = feature.getRecord().getValues().length; |
||
59 | for (int j = 0; j < iFieldCount; j++) { |
||
60 | //output.write(feature.getRecord().getValue(j).toString() + "\n");
|
||
61 | } |
||
62 | i++; |
||
63 | } |
||
64 | catch (final IteratorException e) { |
||
65 | |||
66 | } |
||
67 | } |
||
68 | } |
||
69 | catch (final IOException e) { |
||
70 | throw new GeoAlgorithmExecutionException(e.getMessage()); |
||
71 | } |
||
72 | finally {
|
||
73 | if (output != null) { |
||
74 | try {
|
||
75 | output.close(); |
||
76 | } |
||
77 | catch (final IOException e) { |
||
78 | Sextante.addErrorToLog(e); |
||
79 | } |
||
80 | } |
||
81 | } |
||
82 | |||
83 | } |
||
84 | |||
85 | return !m_Task.isCanceled();
|
||
86 | |||
87 | } |
||
88 | |||
89 | |||
90 | @Override
|
||
91 | public void defineCharacteristics() { |
||
92 | |||
93 | setName(Sextante.getText("Save_geometries_as_WKT"));
|
||
94 | setGroup(Sextante.getText("Tools_for_vector_layers"));
|
||
95 | setUserCanDefineAnalysisExtent(true);
|
||
96 | |||
97 | try {
|
||
98 | m_Parameters.addInputVectorLayer(LAYER, Sextante.getText("Layer"), AdditionalInfoVectorLayer.SHAPE_TYPE_ANY, true); |
||
99 | m_Parameters.addFilepath(FILENAME, Sextante.getText("File"), false, false, false, "wkt"); |
||
100 | } |
||
101 | catch (final RepeatedParameterNameException e) { |
||
102 | Sextante.addErrorToLog(e); |
||
103 | } |
||
104 | |||
105 | } |
||
106 | |||
107 | |||
108 | @Override
|
||
109 | public boolean isSuitableForModelling() { |
||
110 | |||
111 | return false; |
||
112 | |||
113 | } |
||
114 | |||
115 | } |