/**
* 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.trust.impl.evidence.remote;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.societies.api.comm.xmpp.datatypes.Stanza;
import org.societies.api.comm.xmpp.datatypes.XMPPInfo;
import org.societies.api.comm.xmpp.exceptions.XMPPError;
import org.societies.api.comm.xmpp.interfaces.ICommCallback;
import org.societies.api.schema.privacytrust.trust.evidence.collector.MethodName;
import org.societies.api.schema.privacytrust.trust.evidence.collector.TrustEvidenceCollectorResponseBean;
import org.societies.privacytrust.trust.api.evidence.remote.ITrustEvidenceCollectorRemoteClientCallback;
import org.springframework.stereotype.Service;
/**
* Describe your class here...
*
* @author <a href="mailto:nicolas.liampotis@cn.ntua.gr">Nicolas Liampotis</a> (ICCS)
* @since 0.5
*/
@Service
public class TrustEvidenceCollectorRemoteClientCallback implements ICommCallback {
/** The logging facility. */
private static Logger LOG = LoggerFactory.getLogger(TrustEvidenceCollectorRemoteClientCallback.class);
private static final List<String> NAMESPACES = Collections.unmodifiableList(
Arrays.asList(
"http://societies.org/api/schema/identity",
"http://societies.org/api/schema/privacytrust/trust/model",
"http://societies.org/api/schema/privacytrust/trust/evidence/collector"));
private static final List<String> PACKAGES = Collections.unmodifiableList(
Arrays.asList(
"org.societies.api.schema.identity",
"org.societies.api.internal.schema.privacytrust.trust.model",
"org.societies.api.internal.schema.privacytrust.trust.evidence.collector"));
private final Map<String, ITrustEvidenceCollectorRemoteClientCallback> clients =
new ConcurrentHashMap<String, ITrustEvidenceCollectorRemoteClientCallback>();
TrustEvidenceCollectorRemoteClientCallback() {
if (LOG.isInfoEnabled())
LOG.info(this.getClass() + " instantiated");
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#getJavaPackages()
*/
@Override
public List<String> getJavaPackages() {
return PACKAGES;
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#getXMLNamespaces()
*/
@Override
public List<String> getXMLNamespaces() {
return NAMESPACES;
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#receiveError(org.societies.api.comm.xmpp.datatypes.Stanza, org.societies.api.comm.xmpp.exceptions.XMPPError)
*/
@Override
public void receiveError(Stanza stanza, XMPPError error) {
if (stanza == null)
throw new NullPointerException("stanza can't be null");
if (error == null)
throw new NullPointerException("error can't be null");
if (LOG.isDebugEnabled())
LOG.debug("Received error: stanza=" + stanza + ", error=" + error);
if (stanza.getId() == null) {
LOG.error("Received error with null stanza id");
return;
}
final ITrustEvidenceCollectorRemoteClientCallback callbackClient =
this.removeClient(stanza.getId());
if (callbackClient == null) {
LOG.error("Received error with stanza id '" + stanza.getId()
+ "' but no matching callback was found");
return;
}
final TrustEvidenceCollectorCommsException exception =
new TrustEvidenceCollectorCommsException(error.getGenericText());
callbackClient.onException(exception);
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#receiveInfo(org.societies.api.comm.xmpp.datatypes.Stanza, java.lang.String, org.societies.api.comm.xmpp.datatypes.XMPPInfo)
*/
@Override
public void receiveInfo(Stanza arg0, String arg1, XMPPInfo arg2) {
// TODO Auto-generated method stub
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#receiveItems(org.societies.api.comm.xmpp.datatypes.Stanza, java.lang.String, java.util.List)
*/
@Override
public void receiveItems(Stanza arg0, String arg1, List<String> arg2) {
// TODO Auto-generated method stub
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#receiveMessage(org.societies.api.comm.xmpp.datatypes.Stanza, java.lang.Object)
*/
@Override
public void receiveMessage(Stanza arg0, Object arg1) {
// TODO Auto-generated method stub
}
/*
* @see org.societies.api.comm.xmpp.interfaces.ICommCallback#receiveResult(org.societies.api.comm.xmpp.datatypes.Stanza, java.lang.Object)
*/
@Override
public void receiveResult(final Stanza stanza, final Object payload) {
if (stanza == null)
throw new NullPointerException("stanza can't be null");
if (payload == null)
throw new NullPointerException("payload can't be null");
if (LOG.isDebugEnabled())
LOG.debug("receiveResult: stanza=" + stanza + ", payload=" + payload);
if (stanza.getId() == null) {
LOG.error("Received result with null stanza id");
return;
}
final ITrustEvidenceCollectorRemoteClientCallback callback =
this.removeClient(stanza.getId());
if (callback == null) {
LOG.error("Could not handle result bean: No callback client found for stanza with id: "
+ stanza.getId());
return;
}
if (!(payload instanceof TrustEvidenceCollectorResponseBean)) {
callback.onException(new TrustEvidenceCollectorCommsException(
"Could not handle result bean: Unexpected type: "
+ payload.getClass()));
return;
}
final TrustEvidenceCollectorResponseBean responseBean = (TrustEvidenceCollectorResponseBean) payload;
if (LOG.isDebugEnabled())
LOG.debug("receiveResult: responseBean.getMethodName()="
+ responseBean.getMethodName());
if (MethodName.ADD_DIRECT_EVIDENCE.equals(responseBean.getMethodName())) {
callback.onAddedDirectEvidence();
} else if (MethodName.ADD_INDIRECT_EVIDENCE.equals(responseBean.getMethodName())) {
callback.onAddedIndirectEvidence();
} else {
LOG.error("Unsupported TrustEvidenceCollector remote response method: "
+ responseBean.getMethodName());
callback.onException(new TrustEvidenceCollectorCommsException(
"Unsupported TrustEvidenceCollector remote response method: "
+ responseBean.getMethodName()));
}
}
/**
*
* @param id
* @return
*/
public boolean containsClient(String id) {
return this.clients.containsKey(id);
}
/**
*
* @param id
* @param callback
*/
void addClient(String id, ITrustEvidenceCollectorRemoteClientCallback callback) {
this.clients.put(id, callback);
}
/**
*
* @param id
* @return
*/
ITrustEvidenceCollectorRemoteClientCallback removeClient(String id) {
return this.clients.remove(id);
}
}