/**
* Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* • Apache License, version 2.0
* • Apache Software License, version 1.0
* • GNU Lesser General Public License, version 3
* • Mozilla Public License, versions 1.0, 1.1 and 2.0
* • Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* As an exception to the terms of the GPL, you may copy, modify,
* propagate, and distribute a work formed by combining 52°North WPS
* GeoTools Modules with the Eclipse Libraries, or a work derivative of
* such a combination, even if such copying, modification, propagation, or
* distribution would otherwise violate the terms of the GPL. Nothing in
* this exception exempts you from complying with the GPL in all respects
* for all of the code used other than the Eclipse Libraries. You may
* include this exception and its grant of permissions when you distribute
* 52°North WPS GeoTools Modules. Inclusion of this notice with such a
* distribution constitutes a grant of such permissions. If you do not wish
* to grant these permissions, remove this paragraph from your
* distribution. "52°North WPS GeoTools Modules" means the 52°North WPS
* modules using GeoTools functionality - software licensed under version 2
* or any later version of the GPL, or a work based on such software and
* licensed under the GPL. "Eclipse Libraries" means Eclipse Modeling
* Framework Project and XML Schema Definition software distributed by the
* Eclipse Foundation and licensed under the Eclipse Public License Version
* 1.0 ("EPL"), or a work based on such software and licensed under the EPL.
*
* 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.
*/
package org.n52.wps.io.datahandler.parser;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;
import org.geotools.data.DataStore;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.n52.wps.io.IOUtils;
import org.n52.wps.io.data.binding.complex.GTVectorDataBinding;
public class GTBinZippedSHPParser extends AbstractParser {
public GTBinZippedSHPParser(){
super();
supportedIDataTypes.add(GTVectorDataBinding.class);
}
/**
* @throws RuntimeException
* if an error occurs while writing the stream to disk or
* unzipping the written file
* @see org.n52.wps.io.IParser#parse(java.io.InputStream)
*/
@Override
public GTVectorDataBinding parse(InputStream stream, String mimeType, String schema) {
try {
String fileName = "tempfile" + UUID.randomUUID() + ".zip";
String tmpDirPath = System.getProperty("java.io.tmpdir");
File tempFile = new File(tmpDirPath + File.separatorChar + fileName);
finalizeFiles.add(tempFile); // mark tempFile for final delete
try {
FileOutputStream outputStream = new FileOutputStream(tempFile);
byte buf[] = new byte[4096];
int len;
while ((len = stream.read(buf)) > 0) {
outputStream.write(buf, 0, len);
}
outputStream.close();
stream.close();
} catch (FileNotFoundException e) {
System.gc();
throw new RuntimeException(e);
} catch (IOException e1) {
System.gc();
throw new RuntimeException(e1);
}
File shp = IOUtils.unzip(tempFile, "shp").get(0);
DataStore store = new ShapefileDataStore(shp.toURI().toURL());
SimpleFeatureCollection features = store.getFeatureSource(
store.getTypeNames()[0]).getFeatures();
System.gc();
return new GTVectorDataBinding(features);
} catch (IOException e) {
throw new RuntimeException(
"An error has occurred while accessing provided data", e);
}
}
}