org.jgrasstools.gears.io.shapefile.OmsShapefileFeatureWriter Maven / Gradle / Ivy
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/*
* This file is part of JGrasstools (http://www.jgrasstools.org)
* (C) HydroloGIS - www.hydrologis.com
*
* JGrasstools is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package org.jgrasstools.gears.io.shapefile;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_AUTHORCONTACTS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_AUTHORNAMES;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_KEYWORDS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_LABEL;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_LICENSE;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_NAME;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_STATUS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_UI;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_DO_INDEX_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_FILE_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_GEODATA_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSSHAPEFILEFEATUREWRITER_P_TYPE_DESCRIPTION;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.Map;
import oms3.annotations.Author;
import oms3.annotations.Description;
import oms3.annotations.Execute;
import oms3.annotations.In;
import oms3.annotations.Keywords;
import oms3.annotations.Label;
import oms3.annotations.License;
import oms3.annotations.Name;
import oms3.annotations.Status;
import oms3.annotations.UI;
import org.geotools.data.DataStore;
import org.geotools.data.DefaultTransaction;
import org.geotools.data.FileDataStoreFactorySpi;
import org.geotools.data.FileDataStoreFinder;
import org.geotools.data.Transaction;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureStore;
import org.geotools.feature.DefaultFeatureCollection;
import org.jgrasstools.gears.libs.modules.JGTConstants;
import org.jgrasstools.gears.libs.modules.JGTModel;
import org.jgrasstools.gears.libs.monitor.IJGTProgressMonitor;
import org.opengis.feature.simple.SimpleFeatureType;
@Description(OMSSHAPEFILEFEATUREWRITER_DESCRIPTION)
@Author(name = OMSSHAPEFILEFEATUREWRITER_AUTHORNAMES, contact = OMSSHAPEFILEFEATUREWRITER_AUTHORCONTACTS)
@Keywords(OMSSHAPEFILEFEATUREWRITER_KEYWORDS)
@Label(OMSSHAPEFILEFEATUREWRITER_LABEL)
@Name(OMSSHAPEFILEFEATUREWRITER_NAME)
@Status(OMSSHAPEFILEFEATUREWRITER_STATUS)
@License(OMSSHAPEFILEFEATUREWRITER_LICENSE)
@UI(OMSSHAPEFILEFEATUREWRITER_UI)
public class OmsShapefileFeatureWriter extends JGTModel {
@Description(OMSSHAPEFILEFEATUREWRITER_GEODATA_DESCRIPTION)
@In
public SimpleFeatureCollection geodata = null;
@Description(OMSSHAPEFILEFEATUREWRITER_FILE_DESCRIPTION)
@UI(JGTConstants.FILEOUT_UI_HINT)
@In
public String file = null;
@Description(OMSSHAPEFILEFEATUREWRITER_DO_INDEX_DESCRIPTION)
@In
public boolean doIndex = true;
@Description(OMSSHAPEFILEFEATUREWRITER_P_TYPE_DESCRIPTION)
@In
public SimpleFeatureType pType = null;
private boolean hasWritten = false;
@Execute
public void writeFeatureCollection() throws IOException {
if (!concatOr(!hasWritten, doReset)) {
return;
}
pm.beginTask("Writing features to shapefile...", -1);
if (!file.endsWith(".shp")) {
file = file + ".shp";
}
if (geodata != null && geodata.size() != 0) {
pType = geodata.getSchema();
}
File shapeFile = new File(file);
FileDataStoreFactorySpi factory = FileDataStoreFinder.getDataStoreFactory("shp");
Map map = Collections.singletonMap("url", shapeFile.toURI().toURL());
DataStore newDataStore = factory.createNewDataStore(map);
newDataStore.createSchema(pType);
Transaction transaction = new DefaultTransaction("create");
String typeName = newDataStore.getTypeNames()[0];
SimpleFeatureStore featureStore = (SimpleFeatureStore) newDataStore.getFeatureSource(typeName);
featureStore.setTransaction(transaction);
try {
if (geodata == null) {
featureStore.addFeatures(new DefaultFeatureCollection());
} else {
featureStore.addFeatures(geodata);
}
transaction.commit();
} catch (Exception problem) {
transaction.rollback();
throw new IOException(problem.getLocalizedMessage());
} finally {
transaction.close();
pm.done();
}
hasWritten = true;
}
public static void writeShapefile( String path, SimpleFeatureCollection featureCollection, IJGTProgressMonitor pm )
throws IOException {
OmsShapefileFeatureWriter writer = new OmsShapefileFeatureWriter();
if (pm != null) {
writer.pm = pm;
}
writer.file = path;
writer.geodata = featureCollection;
writer.writeFeatureCollection();
}
public static void writeEmptyShapefile( String path, SimpleFeatureType schema, IJGTProgressMonitor pm ) throws IOException {
OmsShapefileFeatureWriter writer = new OmsShapefileFeatureWriter();
if (pm != null) {
writer.pm = pm;
}
writer.file = path;
writer.pType = schema;
writer.writeFeatureCollection();
}
}