geography/org.eclipse.stem.internal.data.geography/src/org/eclipse/stem/internal/data/geography/specifications/RelativePhysicalGeographicRelationshipPropertyFileSpecification.java

// RelativePhysicalGeographicRelationshipPropertyFileSpecification.java
package org.eclipse.stem.internal.data.geography.specifications;

/*******************************************************************************
 * Copyright (c) 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import java.text.ParseException;

import org.eclipse.stem.core.graph.EdgeLabel;
import org.eclipse.stem.definitions.labels.LabelsFactory;
import org.eclipse.stem.definitions.labels.RelativePhysicalRelationshipLabel;
import org.eclipse.stem.definitions.labels.RelativePhysicalRelationshipLabelValue;
import org.eclipse.stem.internal.data.geography.propertydata.RelativePhysicalGeographicRelationshipPropertyData;
import org.eclipse.stem.internal.data.propertydata.PropertyData;
import org.eclipse.stem.internal.data.propertydata.RelationshipPropertyData;

/**
 * This class represents a {@link org.eclipse.stem.core.graph.Graph} that
 * contains {@link org.eclipse.stem.core.graph.Edge}s representing a
 * "relative physical" relationship between two
 * {@link org.eclipse.stem.core.graph.Node}s.
 */
public class RelativePhysicalGeographicRelationshipPropertyFileSpecification
		extends GeographicRelationshipPropertyFileSpecification {

	/**
	 * This is the name used to identify "relativephysical" edges. These are
	 * typically "containment" relationships between countries and lower level
	 * administrative entities. e.g., USA->States->Counties
	 */
	public final static String RELATIVE_PHYSICAL_EDGE_NAME = "relativephysical"; //$NON-NLS-1$

	@Override
	protected String getRelationshipName() {
		return RELATIVE_PHYSICAL_EDGE_NAME;
	} // getRelationshipName

	@Override
	protected EdgeLabel createEdgeLabel(
			final RelationshipPropertyData geoRelationshipGraphData) {
		final RelativePhysicalGeographicRelationshipPropertyData relationshipData = (RelativePhysicalGeographicRelationshipPropertyData) geoRelationshipGraphData;
		final RelativePhysicalRelationshipLabel retValue = LabelsFactory.eINSTANCE
				.createRelativePhysicalRelationshipLabel();

		retValue
				.setURI(createRelationshipEdgeLabelURI(geoRelationshipGraphData));

		final RelativePhysicalRelationshipLabelValue currentValue = LabelsFactory.eINSTANCE
				.createRelativePhysicalRelationshipLabelValue();
		currentValue.setAdjacent(false);
		currentValue.setRelationship(relationshipData
				.getRelativePhysicalRelationship());

		retValue.setCurrentValue(currentValue);

		return retValue;
	} // createEdgeLabel

	@Override
	protected PropertyData createPropertyDataInstanceFromProperty(
			final String dataPropertyKey, final String propertyValue) {
		RelativePhysicalGeographicRelationshipPropertyData retValue = null;
		try {
			retValue = new RelativePhysicalGeographicRelationshipPropertyData(
					dataPropertyKey, propertyValue);
		} catch (final ParseException e) {
			e.printStackTrace();
			System.err.println("Key:"+dataPropertyKey+" Value:"+propertyValue);
			System.err.println(e.getMessage());
		}
		return retValue;
	} // createPropertyDataInstanceFromProperty

	@Override
	protected String getRelationshipSpecifier(
			final RelationshipPropertyData relationshipGraphData) {
		final RelationshipPropertyData relationshipData = relationshipGraphData;
		final StringBuilder sb = new StringBuilder("/"); //$NON-NLS-1$
		sb.append(relationshipData.getRelativePhysicalRelationship().toString()
				.toLowerCase());
		return sb.toString();
	} // getRelationshipSpecifier

} // RelativePhysicalGeographicRelationshipPropertyFileSpecification