TrustedEntityIdFactory.java

/**
 * Copyright (c) 2011, SOCIETIES Consortium (WATERFORD INSTITUTE OF TECHNOLOGY (TSSG), HERIOT-WATT UNIVERSITY (HWU), SOLUTA.NET 
 * (SN), GERMAN AEROSPACE CENTRE (Deutsches Zentrum fuer Luft- und Raumfahrt e.V.) (DLR), Zavod za varnostne tehnologije
 * informacijske družbe in elektronsko poslovanje (SETCCE), INSTITUTE OF COMMUNICATION AND COMPUTER SYSTEMS (ICCS), LAKE
 * COMMUNICATIONS (LAKE), INTEL PERFORMANCE LEARNING SOLUTIONS LTD (INTEL), PORTUGAL TELECOM INOVAÇÃO, SA (PTIN), IBM Corp., 
 * INSTITUT TELECOM (ITSUD), AMITEC DIACHYTI EFYIA PLIROFORIKI KAI EPIKINONIES ETERIA PERIORISMENIS EFTHINIS (AMITEC), TELECOM 
 * ITALIA S.p.a.(TI),  TRIALOG (TRIALOG), Stiftelsen SINTEF (SINTEF), NEC EUROPE LTD (NEC))
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
 * conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 */
package org.societies.api.privacytrust.trust.model.util;

import org.societies.api.identity.IIdentity;
import org.societies.api.identity.IdentityType;
import org.societies.api.privacytrust.trust.model.MalformedTrustedEntityIdException;
import org.societies.api.privacytrust.trust.model.TrustedEntityId;
import org.societies.api.privacytrust.trust.model.TrustedEntityType;
import org.societies.api.schema.servicelifecycle.model.ServiceResourceIdentifier;
import org.societies.api.services.ServiceUtils;

/**
 * This class provides utility methods in order to instantiate 
 * {@link TrustedEntityId TrustedEntityIds} from {@link IIdentity} or
 * {@link ServiceResourceIdentifier} instances.
 *
 * @author <a href="mailto:nicolas.liampotis@cn.ntua.gr">Nicolas Liampotis</a> (ICCS)
 * @since 1.0
 */
public class TrustedEntityIdFactory {

	public static TrustedEntityId fromIIdentity(final IIdentity identity) 
			throws MalformedTrustedEntityIdException {
		
		if (identity == null)
			throw new NullPointerException("identity can't be null");
		
		if (IdentityType.CIS.equals(identity.getType()))
			return new TrustedEntityId(TrustedEntityType.CIS, identity.getBareJid());
		else
			return new TrustedEntityId(TrustedEntityType.CSS, identity.getBareJid());
	}
	
	public static TrustedEntityId fromServiceResourceIdentifier(
			final ServiceResourceIdentifier sri) 
					throws MalformedTrustedEntityIdException {
		
		if (sri == null)
			throw new NullPointerException("sri can't be null");
		
		return new TrustedEntityId(TrustedEntityType.SVC, 
				ServiceUtils.serviceResourceIdentifierToString(sri));
	}
}