/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.extensions.wsrm.policy;
import java.util.LinkedList;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.ws.policy.AndCompositeAssertion;
import org.apache.ws.policy.Policy;
import org.apache.ws.policy.PrimitiveAssertion;
import org.apache.ws.policy.XorCompositeAssertion;
import org.jboss.ws.extensions.policy.deployer.domainAssertion.AssertionDeployer;
import org.jboss.ws.extensions.policy.deployer.exceptions.UnsupportedAssertion;
import org.jboss.ws.extensions.wsrm.config.RMDeliveryAssuranceConfig;
import org.jboss.ws.extensions.wsrm.config.RMConfig;
import org.jboss.ws.extensions.wsrm.config.RMPortConfig;
import org.jboss.ws.extensions.wsrm.protocol.RMProvider;
import org.jboss.ws.metadata.umdm.EndpointMetaData;
import org.jboss.ws.metadata.umdm.ExtensibleMetaData;
/**
* Reliable messaging 1.1 policy deployer
*
* @author richard.opalka@jboss.com
*/
public final class RM11PolicyAssertionDeployer implements AssertionDeployer
{
private static final String WSRMP_NS = "http://docs.oasis-open.org/ws-rx/wsrmp/200702";
private static final String WSRM_NS = "http://docs.oasis-open.org/ws-rx/wsrm/200702";
private static final QName EXACTLY_ONCE = new QName(WSRMP_NS, "ExactlyOnce");
private static final QName AT_LEAST_ONCE = new QName(WSRMP_NS, "AtLeastOnce");
private static final QName AT_MOST_ONCE = new QName(WSRMP_NS, "AtMostOnce");
private static final QName IN_ORDER = new QName(WSRMP_NS, "InOrder");
private static final String FALSE = "false";
private static final String TRUE = "true";
/*
* @see org.jboss.ws.extensions.policy.deployer.domainAssertion.AssertionDeployer#deployClientSide(org.apache.ws.policy.PrimitiveAssertion, org.jboss.ws.metadata.umdm.ExtensibleMetaData)
*/
public void deployClientSide(PrimitiveAssertion assertion, ExtensibleMetaData extMetaData)
throws UnsupportedAssertion
{
deploy(assertion, extMetaData);
}
/*
* @see org.jboss.ws.extensions.policy.deployer.domainAssertion.AssertionDeployer#deployServerSide(org.apache.ws.policy.PrimitiveAssertion, org.jboss.ws.metadata.umdm.ExtensibleMetaData)
*/
public void deployServerSide(PrimitiveAssertion assertion, ExtensibleMetaData extMetaData)
throws UnsupportedAssertion
{
deploy(assertion, extMetaData);
}
private static void deploy(PrimitiveAssertion assertion, ExtensibleMetaData extMetaData)
throws UnsupportedAssertion
{
if (extMetaData instanceof EndpointMetaData)
{
EndpointMetaData endpointMD = (EndpointMetaData) extMetaData;
// prepare wsrm metadata
RMConfig rmMD = endpointMD.getConfig().getRMMetaData();
if (rmMD == null)
{
rmMD = new RMConfig();
endpointMD.getConfig().setRMMetaData(rmMD);
}
// construct new port metadata
RMPortConfig portMD = new RMPortConfig();
portMD.setPortName(endpointMD.getPortName());
List<PrimitiveAssertion> wsrmpAssertions = getWSRMPAssertions(assertion);
portMD.setDeliveryAssurance(constructDeliveryAssurance(wsrmpAssertions));
// ensure port does not exists yet
for (RMPortConfig pMD : rmMD.getPorts())
{
assert ! pMD.getPortName().equals(portMD.getPortName());
}
// set up port WSRMP metadata
rmMD.getPorts().add(portMD);
if (!WSRM_NS.equals(RMProvider.get().getNamespaceURI()))
{
throw new IllegalArgumentException("RM provider namespace mismatch");
}
}
}
private static RMDeliveryAssuranceConfig constructDeliveryAssurance(List<PrimitiveAssertion> assertions)
throws UnsupportedAssertion
{
if (assertions.size() == 1)
{
QName assertionQN = assertions.get(0).getName();
assertIsWSRMPAssertion(assertionQN);
RMDeliveryAssuranceConfig deliveryMD = new RMDeliveryAssuranceConfig();
deliveryMD.setInOrder(FALSE);
deliveryMD.setQuality(assertionQN.getLocalPart());
return deliveryMD;
}
if (assertions.size() == 2)
{
QName firstAssertionQN = assertions.get(0).getName();
assertIsWSRMPAssertion(firstAssertionQN);
QName secondAssertionQN = assertions.get(1).getName();
assertIsWSRMPAssertion(secondAssertionQN);
boolean firstIsInOrder = firstAssertionQN.equals(IN_ORDER);
RMDeliveryAssuranceConfig deliveryMD = new RMDeliveryAssuranceConfig();
deliveryMD.setInOrder(TRUE);
if (firstIsInOrder)
{
deliveryMD.setQuality(secondAssertionQN.getLocalPart());
}
else
{
deliveryMD.setQuality(firstAssertionQN.getLocalPart());
}
return deliveryMD;
}
throw new IllegalArgumentException();
}
private static void assertIsWSRMPAssertion(QName assertionQN) throws UnsupportedAssertion
{
if (assertionQN.equals(EXACTLY_ONCE)
|| assertionQN.equals(AT_LEAST_ONCE)
|| assertionQN.equals(AT_MOST_ONCE)
|| assertionQN.equals(IN_ORDER))
{
return; // recognized assertion - silently return
}
throw new UnsupportedAssertion();
}
private static List<PrimitiveAssertion> getWSRMPAssertions(PrimitiveAssertion assertion)
{
Policy policy = (Policy)assertion.getTerms().get(0);
XorCompositeAssertion xor = (XorCompositeAssertion)policy.getTerms().get(0);
AndCompositeAssertion and = (AndCompositeAssertion)xor.getTerms().get(0);
List<?> primitiveAssertions = and.getTerms();
List<PrimitiveAssertion> retVal = new LinkedList<PrimitiveAssertion>();
for (int i = 0; i < primitiveAssertions.size(); i++)
{
retVal.add((PrimitiveAssertion)primitiveAssertions.get(i));
}
return retVal;
}
}