CommsServer.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.
 */

/**
 * Describe your class here...
 *
 * @author aleckey
 *
 */
package org.societies.comm.examples.commsmanager.impl;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ExecutionException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.societies.api.comm.xmpp.datatypes.Stanza;
import org.societies.api.comm.xmpp.exceptions.CommunicationException;
import org.societies.api.comm.xmpp.exceptions.XMPPError;
import org.societies.api.comm.xmpp.interfaces.ICommManager;
import org.societies.api.comm.xmpp.interfaces.IFeatureServer;
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.internal.privacytrust.privacyprotection.INegotiationAgent;
import org.societies.api.internal.privacytrust.privacyprotection.model.privacypolicy.AgreementEnvelope;
import org.societies.api.internal.privacytrust.privacyprotection.model.privacypolicy.IAgreementEnvelope;
import org.societies.api.internal.schema.privacytrust.privacyprotection.negotiation.NegotiationAgentBean;
import org.societies.api.privacytrust.privacy.model.privacypolicy.RequestPolicy;
import org.societies.api.privacytrust.privacy.model.privacypolicy.ResponsePolicy;
import org.societies.api.schema.identity.RequestorBean;
import org.societies.api.schema.identity.RequestorCisBean;
import org.societies.api.schema.identity.RequestorServiceBean;
import org.societies.api.schema.servicelifecycle.model.ServiceResourceIdentifier;


public class CommsServer implements IFeatureServer {

	private static final List<String> NAMESPACES = Collections.unmodifiableList(
			  Arrays.asList("http://societies.org/api/internal/schema/privacytrust/privacyprotection/negotiation", 
					  		"http://societies.org/api/schema/servicelifecycle/model"));
	private static final List<String> PACKAGES = Collections.unmodifiableList(
			  Arrays.asList("org.societies.api.internal.schema.privacytrust.privacyprotection.negotiation",
					  		"org.societies.api.schema.servicelifecycle.model"));

	
	//PRIVATE VARIABLES
	private ICommManager commManager;
	
	private INegotiationAgent negAgent;
	
	private static Logger LOG = LoggerFactory.getLogger(CommsServer.class);
	
	//PROPERTIES
	public ICommManager getCommManager() {
		return commManager;
	}

	public INegotiationAgent getNegAgent() {
		return negAgent;
	}

	public void setNegAgent(INegotiationAgent negAgent) {
		this.negAgent = negAgent;
	}

	public void setCommManager(ICommManager commManager) {
		this.commManager = commManager;
	}


	
	//METHODS
	public CommsServer() {
	}
	
	public void InitService() {
		//REGISTER OUR ServiceManager WITH THE XMPP Communication Manager
		try {
			getCommManager().register(this); 
		} catch (CommunicationException e) {
			e.printStackTrace();
		}
	}
	
	/* (non-Javadoc)
	 * @see org.societies.comm.xmpp.interfaces.FeatureServer#getJavaPackages()
	 */
	@Override
	public List<String> getJavaPackages() {
		return PACKAGES;
	}
	
	/* (non-Javadoc)
	 * @see org.societies.comm.xmpp.interfaces.FeatureServer#getXMLNamespaces()
	 */
	@Override
	public List<String> getXMLNamespaces() {
		return NAMESPACES;
	}
	
	/* Put your functionality here if there is NO return object, ie, VOID 
	 */
	@Override
	public void receiveMessage(Stanza stanza, Object payload) {
		//CHECK WHICH END BUNDLE TO BE CALLED THAT I MANAGE
		
	}

	/* Put your functionality here if there IS a return object
	 */
	@Override
	public Object getQuery(Stanza stanza, Object payload) throws XMPPError {
		//CHECK WHICH END BUNDLE TO BE CALLED THAT I MANAGE
		System.out.println("Generic query handler, doing nothing");
		
		if (payload instanceof NegotiationAgentBean){
			return this.getQuery(stanza, (NegotiationAgentBean) payload);
		}
		
		return null;
	}
	
	public Object getQuery(Stanza stanza, NegotiationAgentBean bean){
		if (bean.getMethod().equals("acknowledgeAgreement")){
			byte[] agreementEnvelopeArray = bean.getAgreementEnvelope();
			Object obj = Util.convertToObject(agreementEnvelopeArray, this.getClass());
			if (obj!=null){
				if (obj instanceof AgreementEnvelope){
					Boolean b;
					try {
						b = this.negAgent.acknowledgeAgreement((IAgreementEnvelope) obj).get();
						return b;
					} catch (InterruptedException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					} catch (ExecutionException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					return false;
				}
			}
		}else if (bean.getMethod().equals("getPolicy")){
			try{
				
			RequestPolicy policy =  this.negAgent.getPolicy(this.getRequestorFromBean(bean.getRequestor())).get();
			if (policy!=null){
				return Util.toByteArray(policy);
			}
			} catch (InterruptedException e){
				
			} catch (ExecutionException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			return null;
		}else if (bean.getMethod().equals("getProviderIdentity")){
			try {
				return this.getNegAgent().getProviderIdentity().get().getJid();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (ExecutionException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}else if (bean.getMethod().equals("negotiate")){
			try{
			byte[] responseArray = bean.getResponsePolicy();
			Object obj = Util.convertToObject(responseArray,this.getClass());
			if (obj!=null){
				if (obj instanceof ResponsePolicy){
					ResponsePolicy policy = (this.negAgent.negotiate(this.getRequestorFromBean(bean.getRequestor()), (ResponsePolicy) obj)).get();
					if (policy!=null){
						return Util.toByteArray(policy);
					}
				}
			}
			} catch (InterruptedException e){
				
			} catch (ExecutionException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
			
		return null;
	}


	/* (non-Javadoc)
	 * @see org.societies.comm.xmpp.interfaces.FeatureServer#setQuery(org.societies.comm.xmpp.datatypes.Stanza, java.lang.Object)
	 */
	@Override
	public Object setQuery(Stanza arg0, Object arg1) throws XMPPError {
		// TODO Auto-generated method stub
		return null;
	}
	
	private Requestor getRequestorFromBean(RequestorBean bean){
		IIdentityManager idm = this.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;
		}
	}
	

}