PicoMultiCurveTest.java example

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geotools-old-master
/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2004-2008, 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.geometry.iso.aggregate;

import java.util.HashSet;
import java.util.Set;

import junit.framework.TestCase;

import org.geotools.geometry.iso.PositionFactoryImpl;
import org.geotools.geometry.iso.PrecisionModel;
import org.geotools.geometry.iso.complex.ComplexFactoryImpl;
import org.geotools.geometry.iso.coordinate.GeometryFactoryImpl;
import org.geotools.geometry.iso.io.CollectionFactoryMemoryImpl;
import org.geotools.geometry.iso.primitive.CurveImpl;
import org.geotools.geometry.iso.primitive.PrimitiveFactoryImpl;
import org.geotools.geometry.iso.util.elem2D.Geo2DFactory;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.opengis.geometry.DirectPosition;
import org.opengis.geometry.PositionFactory;
import org.opengis.geometry.Precision;
import org.opengis.geometry.aggregate.AggregateFactory;
import org.opengis.geometry.aggregate.MultiCurve;
import org.opengis.geometry.coordinate.GeometryFactory;
import org.opengis.geometry.coordinate.LineSegment;
import org.opengis.geometry.primitive.OrientableCurve;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.picocontainer.PicoContainer;
import org.picocontainer.defaults.DefaultPicoContainer;

public class PicoMultiCurveTest extends TestCase {

	/**
	 * Creates a pico container that knows about all the geom factories
	 * @param crs
	 * @return container
	 */
	protected PicoContainer container( CoordinateReferenceSystem crs ){
		
		DefaultPicoContainer container = new DefaultPicoContainer(); // parent
		
		// Teach Container about Factory Implementations we want to use
		container.registerComponentImplementation(PositionFactoryImpl.class);
		container.registerComponentImplementation(AggregateFactoryImpl.class);
		container.registerComponentImplementation(ComplexFactoryImpl.class);
		container.registerComponentImplementation(GeometryFactoryImpl.class);
		container.registerComponentImplementation(CollectionFactoryMemoryImpl.class);
		container.registerComponentImplementation(PrimitiveFactoryImpl.class);
		container.registerComponentImplementation(Geo2DFactory.class);
		
		// Teach Container about other dependacies needed
		container.registerComponentInstance( crs );
		Precision pr = new PrecisionModel();
		container.registerComponentInstance( pr );
		
		return container;		
	}
	
	public void testMain() {
		
		PicoContainer c = container( DefaultGeographicCRS.WGS84 );
		
		this._testMultiCurve(c);
	}
	
	private void _testMultiCurve(PicoContainer c) {

		AggregateFactoryImpl af = (AggregateFactoryImpl) c.getComponentInstanceOfType(AggregateFactory.class);
		GeometryFactoryImpl gf = (GeometryFactoryImpl) c.getComponentInstanceOfType( GeometryFactory.class );
		PositionFactory pf = (PositionFactory ) c.getComponentInstanceOfType( PositionFactory.class );
		
		DirectPosition dp1 = pf.createDirectPosition(new double[]{10, 30});
		DirectPosition dp2 = pf.createDirectPosition(new double[]{70, 15});
		LineSegment line1 = gf.createLineSegment(dp1, pf.createDirectPosition(new double[]{20, 40}));
		LineSegment line2 = gf.createLineSegment(dp2, pf.createDirectPosition(new double[]{45, 25}));
		Set<OrientableCurve> curves = new HashSet<OrientableCurve>();
		curves.add( new CurveImpl( line1 ) );
		curves.add( new CurveImpl( line2 ) );
		MultiCurve mc = af.createMultiCurve(curves);
		
		assertNotNull(mc);
		//assertNotNull(mc.getBoundary());
		assertNotNull(mc.getEnvelope());
		assertEquals(mc.getCoordinateDimension(), 2);
		assertEquals(mc.getElements().size(), 2);
		assertEquals(mc.getElements(), curves);
		
		// test equals
		assertTrue(mc.equals(new MultiCurveImpl(mc.getCoordinateReferenceSystem(), curves)));
	}

}