gvsig-geoprocess / org.gvsig.geoprocess / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.merge / src / main / java / org / gvsig / geoprocess / algorithm / merge / MergeAlgorithm.java @ 324
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1 | 237 | cordinyana | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 175 | cordinyana | *
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4 | 245 | cordinyana | * Copyright (C) 2007-2012 gvSIG Association.
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5 | 175 | cordinyana | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | 237 | cordinyana | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 245 | cordinyana | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 175 | cordinyana | */
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24 | package org.gvsig.geoprocess.algorithm.merge; |
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25 | |||
26 | import java.util.ArrayList; |
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27 | |||
28 | import javax.swing.JOptionPane; |
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29 | |||
30 | 271 | nbrodin | import org.gvsig.fmap.dal.exception.DataException; |
31 | import org.gvsig.fmap.dal.feature.FeatureSet; |
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32 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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33 | import org.gvsig.fmap.dal.feature.FeatureType; |
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34 | import org.gvsig.geoprocess.algorithm.base.core.GeometryOperation; |
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35 | import org.gvsig.geoprocess.lib.sextante.AbstractSextanteGeoProcess; |
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36 | import org.gvsig.geoprocess.lib.sextante.dataObjects.FlyrVectIVectorLayer; |
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37 | |||
38 | 175 | cordinyana | import es.unex.sextante.additionalInfo.AdditionalInfoMultipleInput; |
39 | import es.unex.sextante.core.Sextante; |
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40 | import es.unex.sextante.dataObjects.IVectorLayer; |
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41 | import es.unex.sextante.exceptions.GeoAlgorithmExecutionException; |
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42 | import es.unex.sextante.exceptions.RepeatedParameterNameException; |
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43 | 244 | cordinyana | import es.unex.sextante.gui.algorithm.GeoAlgorithmParametersPanel; |
44 | 175 | cordinyana | import es.unex.sextante.outputs.OutputVectorLayer; |
45 | |||
46 | /**
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47 | * Merge algorithm
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48 | * @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
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49 | */
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50 | 191 | cordinyana | public class MergeAlgorithm extends AbstractSextanteGeoProcess { |
51 | |||
52 | 175 | cordinyana | public static final String RESULT = "RESULT"; |
53 | public static final String LAYERS = "LAYERS"; |
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54 | public static final String FIELDLAYER = "LAYER"; |
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55 | /*
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56 | * (non-Javadoc)
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57 | * @see es.unex.sextante.core.GeoAlgorithm#defineCharacteristics()
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58 | */
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59 | public void defineCharacteristics() { |
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60 | 244 | cordinyana | setName(getTranslation("Merge"));
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61 | setGroup(getTranslation("basic_vect_algorithms"));
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62 | 175 | cordinyana | // setGeneratesUserDefinedRasterOutput(false);
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63 | |||
64 | try {
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65 | m_Parameters.addMultipleInput(LAYERS, |
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66 | 244 | cordinyana | getTranslation("Input_layers"),
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67 | 175 | cordinyana | AdditionalInfoMultipleInput.DATA_TYPE_VECTOR_ANY, |
68 | true);
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69 | m_Parameters.addInputVectorLayer(FIELDLAYER, |
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70 | 244 | cordinyana | getTranslation("Fields"),
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71 | 175 | cordinyana | IVectorLayer.SHAPE_TYPE_WRONG, |
72 | true);
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73 | addOutputVectorLayer(RESULT, |
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74 | 244 | cordinyana | getTranslation("Merge"),
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75 | 175 | cordinyana | OutputVectorLayer.SHAPE_TYPE_UNDEFINED); |
76 | } catch (RepeatedParameterNameException e) {
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77 | Sextante.addErrorToLog(e); |
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78 | } |
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79 | } |
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80 | |||
81 | /*
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82 | * (non-Javadoc)
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83 | * @see es.unex.sextante.core.GeoAlgorithm#processAlgorithm()
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84 | */
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85 | @SuppressWarnings("unchecked") |
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86 | public boolean processAlgorithm() throws GeoAlgorithmExecutionException { |
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87 | 271 | nbrodin | if(existsOutPutFile(MergeAlgorithm.RESULT, 0)) { |
88 | throw new GeoAlgorithmExecutionException(getTranslation("file_exists")); |
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89 | } |
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90 | 175 | cordinyana | IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(FIELDLAYER); |
91 | ArrayList<IVectorLayer> layers = m_Parameters.getParameterValueAsArrayList(LAYERS);
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92 | |||
93 | FeatureStore storeLayer = null;
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94 | 225 | cordinyana | if(layer instanceof FlyrVectIVectorLayer) |
95 | storeLayer = ((FlyrVectIVectorLayer)layer).getFeatureStore(); |
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96 | 175 | cordinyana | else
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97 | return false; |
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98 | |||
99 | try {
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100 | //Gets the list of FeatureStore
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101 | ArrayList<FeatureStore> featureStoreList = new ArrayList<FeatureStore>(); |
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102 | for (int i = 0; i < layers.size(); i++) { |
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103 | IVectorLayer lyr = layers.get(i); |
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104 | 225 | cordinyana | if(lyr instanceof FlyrVectIVectorLayer && layer.getShapeType() == lyr.getShapeType()) |
105 | featureStoreList.add(((FlyrVectIVectorLayer)lyr).getFeatureStore()); |
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106 | 175 | cordinyana | else {
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107 | JOptionPane.showMessageDialog(null, |
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108 | 244 | cordinyana | getTranslation("layers_type_are_different"),
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109 | 175 | cordinyana | "Error",
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110 | JOptionPane.WARNING_MESSAGE);
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111 | return false; |
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112 | } |
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113 | } |
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114 | |||
115 | //Builds the output FeatureStore
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116 | FeatureSet features = null;
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117 | features = storeLayer.getFeatureSet(); |
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118 | FeatureType featureType = features.getDefaultFeatureType(); |
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119 | 244 | cordinyana | FeatureStore outFeatStore = |
120 | buildOutPutStore(featureType, layer.getShapeType(), |
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121 | getTranslation("Merge"), RESULT);
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122 | 175 | cordinyana | |
123 | //Calls the operation
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124 | 289 | nbrodin | GeometryOperation operation = new MergeOperation(layer, this); |
125 | 223 | cordinyana | operation.setTaskStatus(getStatus()); |
126 | 175 | cordinyana | operation.computesGeometryOperationInAList(featureStoreList, outFeatStore, attrNames, false, true); |
127 | } catch (DataException e) {
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128 | Sextante.addErrorToLog(e); |
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129 | return false; |
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130 | } |
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131 | |||
132 | 324 | nbrodin | if(getTaskMonitor().isCanceled())
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133 | return false; |
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134 | |||
135 | 175 | cordinyana | return true; |
136 | } |
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137 | |||
138 | 244 | cordinyana | @Override
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139 | public Class<? extends GeoAlgorithmParametersPanel> getCustomParametersPanelClass() { |
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140 | return MergeParametersPanel.class;
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141 | } |
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142 | |||
143 | 175 | cordinyana | } |