/*
* 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 <http://www.gnu.org/licenses/>.
*/
package org.jgrasstools.gears.modules.v.vectortablejoiner;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_AUTHORCONTACTS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_AUTHORNAMES;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_DOCUMENTATION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_KEYWORDS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_LABEL;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_LICENSE;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_NAME;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_STATUS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_F_COMMON_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_IN_VECTOR_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_OUT_VECTOR_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_P_FIELDS_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSVECTORTABLEJOINER_TABLEDATA_DESCRIPTION;
import java.util.HashMap;
import java.util.List;
import oms3.annotations.Author;
import oms3.annotations.Description;
import oms3.annotations.Documentation;
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.Out;
import oms3.annotations.Status;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.feature.DefaultFeatureCollection;
import org.geotools.feature.FeatureIterator;
import org.jgrasstools.gears.libs.modules.JGTModel;
import org.jgrasstools.gears.utils.features.FeatureExtender;
import org.opengis.feature.simple.SimpleFeature;
@Description(OMSVECTORTABLEJOINER_DESCRIPTION)
@Documentation(OMSVECTORTABLEJOINER_DOCUMENTATION)
@Author(name = OMSVECTORTABLEJOINER_AUTHORNAMES, contact = OMSVECTORTABLEJOINER_AUTHORCONTACTS)
@Keywords(OMSVECTORTABLEJOINER_KEYWORDS)
@Label(OMSVECTORTABLEJOINER_LABEL)
@Name(OMSVECTORTABLEJOINER_NAME)
@Status(OMSVECTORTABLEJOINER_STATUS)
@License(OMSVECTORTABLEJOINER_LICENSE)
public class OmsVectorTableJoiner extends JGTModel {
@Description(OMSVECTORTABLEJOINER_IN_VECTOR_DESCRIPTION)
@In
public SimpleFeatureCollection inVector;
@Description(OMSVECTORTABLEJOINER_TABLEDATA_DESCRIPTION)
@In
public HashMap<String, List<Object>> tabledata = null;
@Description(OMSVECTORTABLEJOINER_F_COMMON_DESCRIPTION)
@In
public String fCommon = null;
@Description(OMSVECTORTABLEJOINER_P_FIELDS_DESCRIPTION)
@In
public String pFields = null;
@Description(OMSVECTORTABLEJOINER_OUT_VECTOR_DESCRIPTION)
@Out
public SimpleFeatureCollection outVector;
@Execute
public void process() throws Exception {
if (!concatOr(outVector == null, doReset)) {
return;
}
String[] fields = pFields.split(","); //$NON-NLS-1$
Class< ? >[] classes = new Class< ? >[fields.length];
for( int i = 0; i < fields.length; i++ ) {
List<Object> list = tabledata.get(fields[i].trim());
classes[i] = list.get(0).getClass();
}
String shapeField = fCommon;
String tableField = fCommon;
int comma = fCommon.indexOf(","); //$NON-NLS-1$
if (comma != -1) {
String[] split = fCommon.split(","); //$NON-NLS-1$
shapeField = split[0].trim();
tableField = split[1].trim();
}
List<Object> commonAttributeList = tabledata.get(tableField);
FeatureExtender fExt = new FeatureExtender(inVector.getSchema(), fields, classes);
outVector = new DefaultFeatureCollection();
int size = inVector.size();
pm.beginTask("Merging data...", size);
FeatureIterator<SimpleFeature> inFeatureIterator = inVector.features();
while( inFeatureIterator.hasNext() ) {
SimpleFeature feature = inFeatureIterator.next();
Object attribute = feature.getAttribute(shapeField);
int index = commonAttributeList.indexOf(attribute);
if (index == -1) {
// try something if it is number
if (attribute instanceof Number) {
Double doubleAttribute = ((Number) attribute).doubleValue();
index = commonAttributeList.indexOf(doubleAttribute);
}
if (index == -1) {
System.out.println("Jumped feature: " + feature.getID());
continue;
}
}
Object[] newAttributes = new Object[fields.length];
for( int i = 0; i < fields.length; i++ ) {
List<Object> list = tabledata.get(fields[i]);
Object object = list.get(index);
newAttributes[i] = object;
}
SimpleFeature newFeature = fExt.extendFeature(feature, newAttributes);
((DefaultFeatureCollection) outVector).add(newFeature);
pm.worked(1);
}
pm.done();
inFeatureIterator.close();
}
}