/*
* JGrass - Free Open Source Java GIS http://www.jgrass.org
* (C) HydroloGIS - www.hydrologis.com
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Library General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option) any
* later version.
*
* This library 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 Library General Public License for more
* details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; if not, write to the Free Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.jgrasstools.gears.io.eicalculator;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_AUTHORCONTACTS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_AUTHORNAMES;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_KEYWORDS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_LABEL;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_LICENSE;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_NAME;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_STATUS;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_FILE_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_OUT_AREAS_DESCRIPTION;
import static org.jgrasstools.gears.i18n.GearsMessages.OMSEIAREASREADER_P_SEPARATOR_DESCRIPTION;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import oms3.annotations.Author;
import oms3.annotations.Description;
import oms3.annotations.Execute;
import oms3.annotations.Finalize;
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 oms3.annotations.UI;
import org.jgrasstools.gears.libs.modules.JGTConstants;
import org.jgrasstools.gears.libs.modules.JGTModel;
@Description(OMSEIAREASREADER_DESCRIPTION)
@Author(name = OMSEIAREASREADER_AUTHORNAMES, contact = OMSEIAREASREADER_AUTHORCONTACTS)
@Keywords(OMSEIAREASREADER_KEYWORDS)
@Label(OMSEIAREASREADER_LABEL)
@Name(OMSEIAREASREADER_NAME)
@Status(OMSEIAREASREADER_STATUS)
@License(OMSEIAREASREADER_LICENSE)
public class OmsEIAreasReader extends JGTModel {
@Description(OMSEIAREASREADER_FILE_DESCRIPTION)
@UI(JGTConstants.FILEIN_UI_HINT)
@In
public String file = null;
@Description(OMSEIAREASREADER_P_SEPARATOR_DESCRIPTION)
@In
public String pSeparator = ",";
@Description(OMSEIAREASREADER_OUT_AREAS_DESCRIPTION)
@Out
public List<EIAreas> outAreas;
private BufferedReader csvReader;
private void ensureOpen() throws IOException {
if (csvReader == null)
csvReader = new BufferedReader(new FileReader(file));
}
@Finalize
public void close() throws IOException {
csvReader.close();
}
@Execute
public void read() throws IOException {
if (!concatOr(outAreas == null, doReset)) {
return;
}
ensureOpen();
outAreas = new ArrayList<EIAreas>();
String line = null;
while( (line = csvReader.readLine()) != null ) {
if (line.trim().length() == 0 || line.trim().startsWith("#")) {
// jump empty lines and lines that start as comment
continue;
}
String[] lineSplit = line.split(pSeparator);
if (lineSplit.length > 4) {
throw new IOException("Area values are defined in 4 columns.");
}
EIAreas eiAreas = new EIAreas();
eiAreas.basinId = Integer.parseInt(lineSplit[0].trim());
eiAreas.altimetricBandId = Integer.parseInt(lineSplit[1].trim());
eiAreas.energyBandId = Integer.parseInt(lineSplit[2].trim());
eiAreas.areaValue = Double.parseDouble(lineSplit[3].trim());
outAreas.add(eiAreas);
}
}
}