/**
* 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.privacytrust.privacyprotection.privacynegotiation.negotiation.client.data;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import org.societies.api.context.CtxException;
import org.societies.api.context.model.CtxAttribute;
import org.societies.api.context.model.CtxEntity;
import org.societies.api.context.model.IndividualCtxEntity;
import org.societies.api.identity.IIdentity;
import org.societies.api.internal.context.broker.ICtxBroker;
import org.societies.api.schema.identity.DataIdentifierScheme;
import org.societies.api.schema.privacytrust.privacy.model.privacypolicy.Action;
import org.societies.api.schema.privacytrust.privacy.model.privacypolicy.ActionConstants;
import org.societies.api.schema.privacytrust.privacy.model.privacypolicy.RequestItem;
/**
* Describe your class here...
*
* @author Eliza
*
*/
public class DataHelper{
private final ICtxBroker ctxBroker;
private final IIdentity userIdentity;
public DataHelper(ICtxBroker ctxBroker, IIdentity userIdentity){
this.ctxBroker = ctxBroker;
this.userIdentity = userIdentity;
}
public boolean dataTypeExists(RequestItem item){
String dataType = item.getResource().getDataType();
DataIdentifierScheme scheme = item.getResource().getScheme();
if (scheme.equals(DataIdentifierScheme.CONTEXT)){
return checkContext(item);
}
if(scheme.equals(DataIdentifierScheme.DEVICE)){
return checkDeviceMgr(item);
}
return true;
}
private boolean checkDeviceMgr(RequestItem item) {
return true;
}
private boolean checkContext(RequestItem item) {
String dataType = item.getResource().getDataType();
DataIdentifierScheme scheme = item.getResource().getScheme();
try {
Future<IndividualCtxEntity> futurePerson = ctxBroker.retrieveIndividualEntity(userIdentity);
CtxEntity person = futurePerson.get();
Set<CtxAttribute> resultSet = person.getAttributes(dataType);
if (resultSet.isEmpty()){
for (Action a : item.getActions()){
if (a.getActionConstant().equals(ActionConstants.CREATE)){
return true;
}
}
return false;
}else{
return true;
}
} catch (CtxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ExecutionException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return false;
}
}