Util.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
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.societies.api.internal.privacytrust.privacyprotection.util.remote;

import java.io.IOException;
import java.io.Serializable;

import org.societies.api.comm.xmpp.interfaces.ICommManager;
import org.societies.api.context.model.util.SerialisationHelper;
import org.societies.api.identity.IIdentityManager;
import org.societies.api.identity.InvalidFormatException;
import org.societies.api.identity.Requestor;
import org.societies.api.identity.RequestorCis;
import org.societies.api.identity.RequestorService;
import org.societies.api.schema.identity.RequestorBean;
import org.societies.api.schema.identity.RequestorCisBean;
import org.societies.api.schema.identity.RequestorServiceBean;

/**
 * Describe your class here...
 *
 * @author Eliza
 *
 */
public class Util {

	public static Object convertToObject(byte[] byteArray, Class c){
		try {
			return SerialisationHelper.deserialise(byteArray, c.getClassLoader());
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		} catch (ClassNotFoundException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		
		/*
		try {
			ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(byteArray));
			Object obj = ois.readObject();
			return obj;
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;
		*/
		
		
		return null;
	}
	
	public static byte[] toByteArray(Object obj){
		try {
			return SerialisationHelper.serialise((Serializable) obj);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		/*
		ByteArrayOutputStream bos = new ByteArrayOutputStream(); 
		ObjectOutputStream oos;
		try {
			oos = new ObjectOutputStream(bos);
			oos.writeObject(obj);
			oos.flush(); 
			oos.close(); 
			bos.close();
			this.logging.debug("Trying to store preference of size: "+bos.size());
			return bos.toByteArray();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		*/
		return null;
	}
	
	public static Requestor getRequestorFromBean(RequestorBean bean, ICommManager commManager){
		IIdentityManager idm = commManager.getIdManager();
		try {
			if (bean instanceof RequestorCisBean){
				RequestorCis requestor = new RequestorCis(idm.fromJid(bean.getRequestorId()), idm.fromJid(((RequestorCisBean) bean).getCisRequestorId()));
				return requestor;

			}else if (bean instanceof RequestorServiceBean){
				RequestorService requestor = new RequestorService(idm.fromJid(bean.getRequestorId()), ((RequestorServiceBean) bean).getRequestorServiceId());
				return requestor;
			}else{
				return new Requestor(idm.fromJid(bean.getRequestorId()));
			}
		} catch (InvalidFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return null;
		}
	}
	
	public static RequestorBean createRequestorBean(Requestor requestor){
		if (requestor instanceof RequestorCis){
			RequestorCisBean cisRequestorBean = new RequestorCisBean();
			cisRequestorBean.setRequestorId(requestor.getRequestorId().getJid());
			cisRequestorBean.setCisRequestorId(((RequestorCis) requestor).getCisRequestorId().getJid());
			return cisRequestorBean;
		}else if (requestor instanceof RequestorService){
			RequestorServiceBean serviceRequestorBean = new RequestorServiceBean();
			serviceRequestorBean.setRequestorId(requestor.getRequestorId().getJid());
			serviceRequestorBean.setRequestorServiceId(((RequestorService) requestor).getRequestorServiceId());
			return serviceRequestorBean;
		}else{
			RequestorBean requestorBean = new RequestorBean();
			requestorBean.setRequestorId(requestor.getRequestorId().getJid());
			return requestorBean;
		}
	}
}