/**
* 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.test.datahandler;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Test;
import org.n52.wps.io.data.IData;
import org.n52.wps.io.data.binding.complex.GTVectorDataBinding;
import org.n52.wps.io.data.binding.complex.JTSGeometryBinding;
import org.n52.wps.io.datahandler.generator.GeoJSONGenerator;
import org.n52.wps.io.datahandler.parser.GeoJSONParser;
/**
* Test class for GeoJSON parser and generator
* @author Benjamin Pross(bpross-52n)
*
*/
public class GeoJSONParserGeneratorTest extends AbstractTestCase<GeoJSONGenerator> {
@Test
public void testParseWriteGeoJSONPoint() {
if(!isDataHandlerActive()){
return;
}
String inputGeoJSONPointString = "{\"type\":\"Point\",\"coordinates\":[100,0.0]}";
InputStream in = new ByteArrayInputStream(inputGeoJSONPointString.getBytes());
GeoJSONParser theParser = new GeoJSONParser();
String mimetype = theParser.getSupportedFormats()[0];
System.out.println("Trying to parse GeoJSON: " + inputGeoJSONPointString);
JTSGeometryBinding theBinding = (JTSGeometryBinding) theParser.parse(in, mimetype,
null);
try {
in.close();
} catch (IOException e) {
System.out.println("Failed to close ByteArrayInputStream containing input GeoJSON.");
}
assertTrue(theBinding.getPayload() != null);
InputStream generatedStream = null;
try {
generatedStream = dataHandler.generateStream(theBinding, mimetype, null);
} catch (IOException e) {
System.err.println("Failed to generate result inputstream.");
fail();
}
String outputGeoJSONPointString = "";
int bite = -1;
try {
while ((bite = generatedStream.read()) != -1) {
outputGeoJSONPointString = outputGeoJSONPointString.concat(String.valueOf((char)bite));
}
} catch (IOException e) {
System.err.println("Failed to read result inputstream.");
fail();
}
try {
generatedStream.close();
} catch (IOException e) {
System.out.println("Failed to close generated stream containing result GeoJSON.");
}
assertTrue(inputGeoJSONPointString.equals(outputGeoJSONPointString));
System.out.println("Generated GeoJSON : " + outputGeoJSONPointString);
}
@Test
public void testParseWriteGeoJSONFeatureCollection(){
String featureCollectionString = "{ \"type\": \"FeatureCollection\", "+
" \"features\": [ "+
" { \"type\": \"Feature\", "+
" \"geometry\": {\"type\": \"Point\", \"coordinates\": [102.0, 0.5]},"+
" \"properties\": {\"prop0\": \"value0\"} "+
" }, "+
" { \"type\": \"Feature\", "+
" \"geometry\": { "+
" \"type\": \"LineString\", "+
" \"coordinates\": [ "+
" [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0] "+
" ] "+
" }, "+
" \"properties\": { "+
" \"prop0\": \"value0\" "+
" } "+
" }, "+
" { \"type\": \"Feature\", "+
" \"geometry\": { "+
" \"type\": \"Polygon\", "+
" \"coordinates\": [ "+
" [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], "+
" [100.0, 1.0], [100.0, 0.0] ] "+
" ] "+
" }, "+
" \"properties\": { "+
" \"prop0\": \"value0\" "+
" } "+
" } "+
" ] "+
" } ";
InputStream in = new ByteArrayInputStream(featureCollectionString.getBytes());
GeoJSONParser theParser = new GeoJSONParser();
String mimetype = theParser.getSupportedFormats()[0];
System.out.println("Trying to parse GeoJSON: " + featureCollectionString);
IData theBinding = theParser.parse(in, mimetype,
null);
if(!(theBinding instanceof GTVectorDataBinding)){
fail();
}
try {
in.close();
} catch (IOException e) {
System.out.println("Failed to close ByteArrayInputStream containing input GeoJSON.");
}
assertTrue(theBinding.getPayload() != null);
try {
InputStream is = dataHandler.generateStream(theBinding, mimetype, null);
IData theGeneratedParsedBinding = theParser.parse(is, mimetype,
null);
if(!(theGeneratedParsedBinding instanceof GTVectorDataBinding)){
fail();
}
try {
is.close();
} catch (IOException e) {
System.err.println("Failed to close InputStream containing input GeoJSON.");
}
assertTrue(theBinding.getPayload() != null);
} catch (IOException e) {
System.err.println("Failed to generate stream from GTVectorDataBinding.");
}
}
@Test
public void testParseWriteGeoJSONFeature(){
String featureCollectionString = "{\"type\":\"Feature\", \"properties\":{}, \"geometry\":{\"type\":\"Polygon\", \"coordinates\":[[[56.390622854233, 29.90625500679], [67.640622854233, 49.59375500679], [82.406247854233, 39.75000500679], [69.749997854233, 23.57813000679], [56.390622854233, 29.90625500679]]]}, \"crs\":{\"type\":\"name\", \"properties\":{\"name\":\"EPSG:4326\"}}}";
InputStream in = new ByteArrayInputStream(featureCollectionString.getBytes());
GeoJSONParser theParser = new GeoJSONParser();
String mimetype = theParser.getSupportedFormats()[0];
System.out.println("Trying to parse GeoJSON: " + featureCollectionString);
IData theBinding = theParser.parse(in, mimetype,
null);
if(!(theBinding instanceof GTVectorDataBinding)){
fail();
}
try {
in.close();
} catch (IOException e) {
System.out.println("Failed to close ByteArrayInputStream containing input GeoJSON.");
}
assertTrue(theBinding.getPayload() != null);
try {
InputStream is = dataHandler.generateStream(theBinding, mimetype, null);
IData theGeneratedParsedBinding = theParser.parse(is, mimetype,
null);
if(!(theGeneratedParsedBinding instanceof GTVectorDataBinding)){
fail();
}
try {
is.close();
} catch (IOException e) {
System.err.println("Failed to close InputStream containing input GeoJSON.");
}
assertTrue(theBinding.getPayload() != null);
} catch (IOException e) {
System.err.println("Failed to generate stream from GTVectorDataBinding.");
}
}
@Override
protected void initializeDataHandler() {
dataHandler = new GeoJSONGenerator();
}
}