org.n52.javaps.io.datahandler.parser.WKTParser Maven / Gradle / Ivy
/*
* Copyright 2016-2019 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.n52.javaps.io.datahandler.parser;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.io.ParseException;
import org.locationtech.jts.io.WKTReader;
import org.n52.javaps.annotation.Properties;
import org.n52.javaps.description.TypedProcessInputDescription;
import org.n52.javaps.io.AbstractPropertiesInputOutputHandler;
import org.n52.javaps.io.Data;
import org.n52.javaps.io.DecodingException;
import org.n52.javaps.io.InputHandler;
import org.n52.javaps.io.data.binding.complex.JTSGeometryBinding;
import org.n52.shetland.ogc.wps.Format;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class parses String representations out of JTS Geometries.
*
* @author Benjamin Pross
*
*/
@Properties(
defaultPropertyFileName = "wkthandler.default.json",
propertyFileName = "wktparser.json")
public class WKTParser extends AbstractPropertiesInputOutputHandler implements InputHandler {
private static Logger LOGGER = LoggerFactory.getLogger(WKTParser.class);
public WKTParser() {
super();
addSupportedBinding(JTSGeometryBinding.class);
}
public Data parse(TypedProcessInputDescription description,
InputStream input,
Format format) throws IOException, DecodingException {
try {
Geometry g = new WKTReader().read(new InputStreamReader(input, StandardCharsets.UTF_8));
return new JTSGeometryBinding(g);
} catch (ParseException e) {
LOGGER.error(e.getMessage(), e);
} finally {
try {
input.close();
} catch (IOException e) {
LOGGER.error(e.getMessage(), e);
}
}
return null;
}
}