/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2007-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*/
package org.geotools.referencing.factory.epsg;
import java.sql.Connection;
import java.util.Set;
import org.geotools.TestData;
import org.geotools.factory.Hints;
import org.geotools.geometry.DirectPosition2D;
import org.geotools.referencing.AbstractIdentifiedObject;
import org.geotools.referencing.CRS;
import org.geotools.referencing.factory.IdentifiedObjectFinder;
import org.opengis.geometry.DirectPosition;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.IdentifiedObject;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import javax.sql.DataSource;
import junit.framework.TestCase;
/**
*
*
* @source $URL$
*/
public class DialectEpsgMediatorTest extends TestCase {
private static HsqlDialectEpsgMediator factory;
private static IdentifiedObjectFinder finder;
@Override
protected void setUp() throws Exception {
super.setUp();
if( factory == null ){
DataSource datasource = HsqlEpsgDatabase.createDataSource();
Connection connection = datasource.getConnection();
Hints hints = new Hints(Hints.CACHE_POLICY, "default");
factory = new HsqlDialectEpsgMediator( hints );
}
if( finder == null ){
finder = factory.getIdentifiedObjectFinder(CoordinateReferenceSystem.class);
}
}
public void testCreation() throws Exception {
assertNotNull(factory);
CoordinateReferenceSystem epsg4326 = factory.createCoordinateReferenceSystem("EPSG:4326");
CoordinateReferenceSystem code4326 = factory.createCoordinateReferenceSystem("4326");
assertEquals("4326 equals EPSG:4326", code4326, epsg4326);
assertSame("4326 == EPSG:4326", code4326, epsg4326);
}
public void testFunctionality() throws Exception {
CoordinateReferenceSystem crs1 = factory.createCoordinateReferenceSystem("4326");
CoordinateReferenceSystem crs2 = factory.createCoordinateReferenceSystem("3005");
// reproject
MathTransform transform = CRS.findMathTransform(crs1, crs2,true);
DirectPosition pos = new DirectPosition2D(48.417, 123.35);
transform.transform(pos, null);
}
public void testAuthorityCodes() throws Exception {
Set authorityCodes = factory.getAuthorityCodes(CoordinateReferenceSystem.class);
assertNotNull(authorityCodes);
assertTrue(authorityCodes.size() > 3000);
}
public void testFindWSG84() throws FactoryException {
if (!TestData.isExtensiveTest()) {
return;
}
String wkt;
wkt = "GEOGCS[\"WGS 84\",\n" +
" DATUM[\"World Geodetic System 1984\",\n" +
" SPHEROID[\"WGS 84\", 6378137.0, 298.257223563]],\n" +
" PRIMEM[\"Greenwich\", 0.0],\n" +
" UNIT[\"degree\", 0.017453292519943295],\n" +
" AXIS[\"Geodetic latitude\", NORTH],\n" +
" AXIS[\"Geodetic longitude\", EAST]]";
CoordinateReferenceSystem crs = CRS.parseWKT(wkt);
finder.setFullScanAllowed(false);
assertNull("Should not find without a full scan, because the WKT contains no identifier " +
"and the CRS name is ambiguous (more than one EPSG object have this name).",
finder.find(crs));
finder.setFullScanAllowed(true);
IdentifiedObject find = finder.find(crs);
assertNotNull("With full scan allowed, the CRS should be found.", find);
assertTrue("Should found an object equals (ignoring metadata) to the requested one.",CRS.equalsIgnoreMetadata(crs, find));
String code = AbstractIdentifiedObject.getIdentifier(find, factory.getAuthority()).getCode();
assertTrue("4326".equals(code) || "63266405".equals(code));
finder.setFullScanAllowed(false);
assertNotNull("The CRS should still in the cache.",finder.findIdentifier(crs));
}
public void testFindBeijing1954() throws FactoryException {
if (!TestData.isExtensiveTest()) {
return;
}
/*
* The PROJCS below intentionally uses a name different from the one found in the
* EPSG database, in order to force a full scan (otherwise the EPSG database would
* find it by name, but we want to test the scan).
*/
String wkt = "PROJCS[\"Beijing 1954\",\n" +
" GEOGCS[\"Beijing 1954\",\n" +
" DATUM[\"Beijing 1954\",\n" +
" SPHEROID[\"Krassowsky 1940\", 6378245.0, 298.3]],\n" +
" PRIMEM[\"Greenwich\", 0.0],\n" +
" UNIT[\"degree\", 0.017453292519943295],\n" +
" AXIS[\"Geodetic latitude\", NORTH],\n" +
" AXIS[\"Geodetic longitude\", EAST]],\n" +
" PROJECTION[\"Transverse Mercator\"],\n" +
" PARAMETER[\"central_meridian\", 135.0],\n" +
" PARAMETER[\"latitude_of_origin\", 0.0],\n" +
" PARAMETER[\"scale_factor\", 1.0],\n" +
" PARAMETER[\"false_easting\", 500000.0],\n" +
" PARAMETER[\"false_northing\", 0.0],\n" +
" UNIT[\"m\", 1.0],\n" +
" AXIS[\"Northing\", NORTH],\n" +
" AXIS[\"Easting\", EAST]]";
CoordinateReferenceSystem crs = CRS.parseWKT(wkt);
finder.setFullScanAllowed(false);
assertNull("Should not find the CRS without a full scan.", finder.find(crs));
finder.setFullScanAllowed(true);
IdentifiedObject find = finder.find(crs);
assertNotNull("With full scan allowed, the CRS should be found.", find);
assertTrue("Should found an object equals (ignoring metadata) to the requested one.",
CRS.equalsIgnoreMetadata(crs, find));
String code = AbstractIdentifiedObject.getIdentifier(find, factory.getAuthority()).getCode();
assertEquals("2442", code );
finder.setFullScanAllowed(false);
assertEquals("The CRS should still in the cache.","EPSG:2442", finder.findIdentifier(crs));
}
}