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PipelineAssemblerFactoryImpl.javaAPI DocExample35174Thu Jul 12 10:08:04 BST 2007com.sun.xml.ws.assembler

PipelineAssemblerFactoryImpl.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
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 * If you wish your version of this file to be governed by only the CDDL or
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
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package com.sun.xml.ws.assembler;

import com.sun.xml.ws.tx.common.Util;
import java.io.InputStream;
import java.util.logging.Logger;

import javax.servlet.ServletContext;
import javax.xml.namespace.QName;
import javax.xml.ws.WebServiceException;

import com.sun.istack.NotNull;
import com.sun.xml.ws.encoding.LazyStreamCodec;
import com.sun.xml.ws.policy.AssertionSet;
import com.sun.xml.ws.policy.PolicyAssertion;
import com.sun.xml.ws.transport.tcp.wsit.TCPConstants;
import com.sun.xml.ws.api.pipe.Codec;
import com.sun.xml.ws.api.pipe.Codecs;
import com.sun.xml.ws.api.BindingID;
import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.WSService;
import com.sun.xml.ws.api.addressing.AddressingVersion;
import com.sun.xml.ws.api.client.WSPortInfo;
import com.sun.xml.ws.api.model.wsdl.WSDLBoundOperation;
import com.sun.xml.ws.api.model.wsdl.WSDLModel;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.api.model.wsdl.WSDLService;
import com.sun.xml.ws.api.pipe.ClientPipeAssemblerContext;
import com.sun.xml.ws.api.pipe.Pipe;
import com.sun.xml.ws.api.pipe.PipelineAssembler;
import com.sun.xml.ws.api.pipe.PipelineAssemblerFactory;
import com.sun.xml.ws.api.pipe.ServerPipeAssemblerContext;
import com.sun.xml.ws.api.pipe.StreamSOAPCodec;
import com.sun.xml.ws.api.server.WSEndpoint;
import com.sun.xml.ws.api.server.ServiceDefinition;
import com.sun.xml.ws.policy.Policy;
import com.sun.xml.ws.policy.PolicyException;
import com.sun.xml.ws.policy.PolicyMap;
import com.sun.xml.ws.policy.PolicyMapKey;
import com.sun.xml.ws.policy.jaxws.WSDLPolicyMapWrapper;
import com.sun.xml.ws.policy.jaxws.client.PolicyFeature;
import com.sun.xml.ws.policy.jaxws.xmlstreamwriter.documentfilter.WsdlDocumentFilter;
import com.sun.xml.ws.policy.util.PolicyMapUtil;
import com.sun.xml.ws.rm.Constants;
import com.sun.xml.ws.rm.jaxws.runtime.client.RMClientPipe;
import com.sun.xml.ws.rm.jaxws.runtime.server.RMServerPipe;
import com.sun.xml.ws.security.secconv.SecureConversationInitiator;
import com.sun.xml.ws.transport.tcp.wsit.TCPTransportPipeFactory;
import com.sun.xml.ws.util.ServiceFinder;
import com.sun.xml.ws.tx.client.TxClientPipe;
import com.sun.xml.ws.tx.service.TxServerPipe;
import com.sun.xml.wss.jaxws.impl.SecurityClientPipe;
import com.sun.xml.wss.jaxws.impl.SecurityServerPipe;

/**
 * WSIT PipelineAssembler.
 *
 * @author Arun Gupta
 */
@SuppressWarnings("deprecation")
public final class PipelineAssemblerFactoryImpl extends PipelineAssemblerFactory {

    private static final String PREFIX = "com.sun.xml.ws.assembler";
    private static final String CLIENT_PREFIX = PREFIX + ".client";
    private static final String SERVER_PREFIX = PREFIX + ".server";
    private static final String BEFORE_SUFFIX = ".before";
    private static final String AFTER_SUFFIX = ".after";
    private static final String TRANSPORT_SUFFIX = ".transport";
    private static final String ACTION_SUFFIX = ".action";
    private static final String WSS_SUFFIX = ".wss";
    private static final String WSA_SUFFIX = ".wsa";
    private static final String WSMEX_SUFFIX = ".wsmex";
    private static final String WSRM_SUFFIX = ".wsrm";
    private static final String WSTX_SUFFIX = ".wstx";

    private static final String SECURITY_POLICY_NAMESPACE_URI = "http://schemas.xmlsoap.org/ws/2005/07/securitypolicy";
    private static final String WSAT_SOAP_NSURI = "http://schemas.xmlsoap.org/ws/2004/10/wsat";
    private static final QName AT_ALWAYS_CAPABILITY = new QName(WSAT_SOAP_NSURI, "ATAlwaysCapability");
    private static final QName AT_ASSERTION = new QName(WSAT_SOAP_NSURI, "ATAssertion");
    private static final String AUTO_OPTIMIZED_TRANSPORT_POLICY_NAMESPACE_URI = "http://java.sun.com/xml/ns/wsit/2006/09/policy/transport/client";
    private static final QName AUTO_OPTIMIZED_TRANSPORT_POLICY_ASSERTION = new QName(AUTO_OPTIMIZED_TRANSPORT_POLICY_NAMESPACE_URI, "AutomaticallySelectOptimalTransport");

    //default security pipe classes for XWSS 2.0 Style Security Configuration Support
    private static final String xwss20ClientPipe = "com.sun.xml.xwss.XWSSClientPipe";
    private static final String xwss20ServerPipe = "com.sun.xml.xwss.XWSSServerPipe";

    private static final Logger logger = Logger.getLogger(PipelineAssemblerFactoryImpl.class.getName());

    private static class WsitPipelineAssembler implements PipelineAssembler {
        private BindingID bindingId;

        WsitPipelineAssembler(final BindingID bindingId) {
            this.bindingId = bindingId;
        }

        @NotNull
        @SuppressWarnings("unchecked")
        public Pipe createClient(@NotNull ClientPipeAssemblerContext context) {
            // For dispatch client, this variable may be null
            WSDLPort wsdlPort = context.getWsdlModel();
            // This variable may be null if there was no client configuration file
            PolicyFeature feature = initPolicyMap(context);
            // For dispatch client, this variable may be null
            WSDLModel wsdlModel = null;
            // For dispatch client, this variable may be null
            PolicyMap policyMap = null;
            // This variable is only set if WSDL port is null and there is a
            // client configuration file
            WSPortInfo portInfo = null;

            if (feature != null) {
                wsdlModel = feature.getWsdlModel();
                policyMap = feature.getPolicyMap();
                portInfo = feature.getPortInfo();
            }

            // No WSDL port -> we must have a dispatch client. Extract WSDLPort
            // from client config instead (if we have one).
            if (wsdlPort == null && portInfo != null && wsdlModel != null) {
                QName serviceName = portInfo.getServiceName();
                QName portName = portInfo.getPortName();
                WSDLService service = wsdlModel.getService(serviceName);
                if (service != null) {
                    wsdlPort = service.get(portName);
                }
            }

            boolean isSecurityEnabled = isSecurityEnabled(policyMap, wsdlPort);
            if (isSecurityEnabled) {
                setSecurityCodec(context);
            }
            // Transport pipe ALWAYS exist
            Pipe p;
            if (isOptimizedTransportEnabled(policyMap, wsdlPort, portInfo)) {
                p = TCPTransportPipeFactory.doCreate(context, false);
            } else {
                p = context.createTransportPipe();
            }
            p = dump(context, CLIENT_PREFIX, p);
            p = dumpAction(CLIENT_PREFIX + ACTION_SUFFIX, context.getBinding(), p);
            p = dump(context, CLIENT_PREFIX + TRANSPORT_SUFFIX, p);

            p = dump(context, CLIENT_PREFIX + WSS_SUFFIX + AFTER_SUFFIX, p);

            // check for Security
            SecureConversationInitiator scInit = null;
            
            //Look for pipe-creation hook exposed in container
            ClientPipelineHook hook = context.getContainer().getSPI(ClientPipelineHook.class);
            
            //If not found, look for pipe-creation hook using services
            if (hook == null) {
                ClientPipelineHook[] hooks = loadSPs(ClientPipelineHook.class);
                if (hooks != null && hooks.length > 0) {
                    hook = hooks[0];
                }
            }
            
            //If either mechanism for finding a ClientPipelineHook has found one, use it.
            if (hook != null) {
                p = hook.createSecurityPipe(policyMap, context, p);
                if (isSecurityEnabled) {
                    scInit = (SecureConversationInitiator) p;
                    /*
                    AuthConfigFactory factory = AuthConfigFactory.getFactory();
                    if (factory != null) {
                        AuthConfigProvider provider = factory.getConfigProvider("SOAP", null,null);
                        try {
                            WSITClientAuthConfig authConfig =
                                    (WSITClientAuthConfig)provider.getClientAuthConfig("SOAP", null, null);
                            scInit = (SecureConversationInitiator)authConfig;
                        }catch (AuthException e) {
                            throw new RuntimeException(e);
                        }
                    }*/
                }

            } else {
                if (isSecurityEnabled) {
                   ClientPipeConfiguration config = new ClientPipeConfiguration(
                            policyMap, wsdlPort, context.getService(), context.getBinding());
                   
                   //Use the default WSIT Client Security Pipe
                    p = new SecurityClientPipe(config, p);
                    scInit = (SecureConversationInitiator) p;

                    /*
                   HashMap propBag = new HashMap();
                    propBag.put("POLICY", policyMap);
                    propBag.put("WSDL_MODEL", wsdlPort);
                    propBag.put("SERVICE",context.getService());
                    propBag.put("BINDING", context.getBinding());
                    System.out.println("<<<<<<<<<Creating WSITClientSecurityPipe>>>>>>>>>");
                    p = new WSITClientSecurityPipe(propBag, p);
                    scInit = (SecureConversationInitiator)propBag.get("SC_INITIATOR");*/

                } else {
                    //look for XWSS 2.0 Style Security
                    // policyMap may be null in case of client dispatch without a client config file
                    if ((policyMap == null || policyMap.isEmpty()) && isSecurityConfigPresent(context)) {
                        p = initializeXWSSClientPipe(wsdlPort, context.getService(), context.getBinding(), p);
                    }
                }
            }
            p = dump(context, CLIENT_PREFIX + WSS_SUFFIX + BEFORE_SUFFIX, p);

            // MEX pipe here

            p = dump(context, CLIENT_PREFIX + WSRM_SUFFIX + AFTER_SUFFIX, p);
            // check for WS-Reliable Messaging
            if (isReliableMessagingEnabled(policyMap, wsdlPort)) {
                p = new RMClientPipe(wsdlPort,
                        context.getService(),
                        context.getBinding(),
                        scInit,
                        p);
            }
            p = dump(context, CLIENT_PREFIX + WSRM_SUFFIX + BEFORE_SUFFIX, p);

            p = dump(context, CLIENT_PREFIX + WSTX_SUFFIX + AFTER_SUFFIX, p);
            // check for WS-Atomic Transactions
            if (isTransactionsEnabled(policyMap, wsdlPort, false)) {
                p = new TxClientPipe(
                        new ClientPipeConfiguration(
                                policyMap,
                                wsdlPort,
                                context.getService(),
                                context.getBinding()),
                        p);
            }
            p = dump(context, CLIENT_PREFIX + WSTX_SUFFIX + BEFORE_SUFFIX, p);

            p = dump(context, CLIENT_PREFIX + WSA_SUFFIX + AFTER_SUFFIX, p);
            // check for WS-Addressing
            if (isAddressingEnabled(policyMap, wsdlPort, context.getBinding())) {
                p = context.createWsaPipe(p);
            }
            p = dump(context, CLIENT_PREFIX + WSA_SUFFIX + BEFORE_SUFFIX, p);
            p = context.createClientMUPipe(p);
            p = context.createHandlerPipe(p);

            return p;
        }

        @NotNull
        @SuppressWarnings("unchecked")
        public Pipe createServer(ServerPipeAssemblerContext context) {
            ServiceDefinition sd = context.getEndpoint().getServiceDefinition();
            if (sd != null) {
                sd.addFilter(new WsdlDocumentFilter());
            }
            PolicyMap policyMap = initPolicyMap(context);

            Pipe p = context.getTerminalPipe();
            p = context.createHandlerPipe(p);
            p = context.createServerMUPipe(p);
            p = context.createMonitoringPipe(p);

            p = dump(context, SERVER_PREFIX + WSTX_SUFFIX + AFTER_SUFFIX, p);
            // check for WS-Atomic Transactions
            if (isTransactionsEnabled(policyMap, context.getWsdlModel(), true)) {
                p = new TxServerPipe(context.getWsdlModel(), context.getEndpoint().getBinding(), policyMap, p);
            }
            p = dump(context, SERVER_PREFIX + WSTX_SUFFIX + BEFORE_SUFFIX, p);
            
            p = dump(context, SERVER_PREFIX + WSRM_SUFFIX + AFTER_SUFFIX, p);
            // check for WS-Reliable Messaging
            if (isReliableMessagingEnabled(policyMap, context.getWsdlModel())) {
                p = new RMServerPipe(context.getWsdlModel(), context.getEndpoint(), p);
            }
            p = dump(context, SERVER_PREFIX + WSRM_SUFFIX + BEFORE_SUFFIX, p);
                        
            p = dump(context, SERVER_PREFIX + WSA_SUFFIX + AFTER_SUFFIX, p);
            // check for WS-Addressing
            if (isAddressingEnabled(policyMap, context.getWsdlModel(), context.getEndpoint().getBinding())) {
                p = context.createWsaPipe(p);
            }
            p = dump(context, SERVER_PREFIX + WSA_SUFFIX + BEFORE_SUFFIX, p);
            
            p = dump(context, SERVER_PREFIX + WSS_SUFFIX + AFTER_SUFFIX, p);
            
            // check for Security
            boolean securityIsEnabled = isSecurityEnabled(policyMap, context.getWsdlModel());
            ServerPipelineHook hook = context.getEndpoint().getContainer().getSPI(ServerPipelineHook.class);
            if (hook != null){
                if (securityIsEnabled) {
                    setSecurityCodec(context);
                }
                p = hook.createSecurityPipe(policyMap, context.getSEIModel(), context.getWsdlModel(), context.getEndpoint(), p);
            }else {
                if (securityIsEnabled) {
                    setSecurityCodec(context);
                    ServerPipeConfiguration config = new ServerPipeConfiguration(
                            policyMap, context.getWsdlModel(), context.getEndpoint());
                    p = new SecurityServerPipe(config, p);
                    /*
                    HashMap propBag = new HashMap();
                    propBag.put("POLICY", policyMap);
                    propBag.put("WSDL_MODEL", context.getWsdlModel());
                    propBag.put("SEI_MODEL", context.getSEIModel());
                    propBag.put("ENDPOINT", context.getEndpoint());
                    System.out.println("<<<<<<<<<Creating WSITServerSecurityPipe>>>>>>>>>");
                    p = new WSITServerSecurityPipe(propBag, p);*/
                    
                } else {
                    try {
                        //look for XWSS 2.0 Style Security
                        if (((null == policyMap) || policyMap.isEmpty()) && isSecurityConfigPresent(context)) {
                            p = initializeXWSSServerPipe(context.getEndpoint(), context.getWsdlModel(), p);
                        }
                    } catch (NoClassDefFoundError err) {
                        // do nothing
                    }
                }
            }
            p = dump(context, SERVER_PREFIX + WSS_SUFFIX + BEFORE_SUFFIX, p);
            
            p = dump(context, SERVER_PREFIX + TRANSPORT_SUFFIX, p);
            p = dumpAction(SERVER_PREFIX + ACTION_SUFFIX, context.getEndpoint().getBinding(), p);
            p = dump(context, SERVER_PREFIX, p);
            
            return p;
        }
        
        private Pipe dump(ClientPipeAssemblerContext context, String name, Pipe p) {
            if (Boolean.getBoolean(name)) {
                p = context.createDumpPipe(name, System.out, p);
            }
            
            return p;
        }
        
        private Pipe dump(ServerPipeAssemblerContext context, String name, Pipe p) {
            if (Boolean.getBoolean(name)) {
                p = context.createDumpPipe(name, System.out, p);
            }
            
            return p;
        }
        
        /**
         * Checks to see whether OptimizedTransport is enabled or not.
         *
         * @param policyMap policy map for {@link this} assembler
         * @param port the WSDLPort object
         * @param portInfo the WSPortInfo object
         * @return true if OptimizedTransport is enabled, false otherwise
         */
        private boolean isOptimizedTransportEnabled(PolicyMap policyMap, WSDLPort port, WSPortInfo portInfo) {
            if (policyMap == null || port == null)
                return false;

            String schema = null;
            
            if (port != null) {
                schema = port.getAddress().getURI().getScheme();
            }
            else if (portInfo != null) {
                schema = portInfo.getEndpointAddress().getURI().getScheme();
            }

            if (schema == null) {
                return false;
            }
            
            // if target endpoint URI starts with TCP schema - dont check policies, just return true
            if (com.sun.xml.ws.transport.tcp.util.TCPConstants.PROTOCOL_SCHEMA.equals(schema))
                return true;
            
            if (policyMap == null)
                return false;
            
            try {
                PolicyMapKey endpointKey = policyMap.createWsdlEndpointScopeKey(port.getOwner().getName(),
                        port.getName());
                Policy policy = policyMap.getEndpointEffectivePolicy(endpointKey);
                
                if (policy != null && policy.contains(TCPConstants.TCPTRANSPORT_POLICY_ASSERTION) &&
                        policy.contains(AUTO_OPTIMIZED_TRANSPORT_POLICY_ASSERTION)) {
                    /* if client set to choose optimal transport and server has TCP transport policy
                       then need to check server side policy "enabled" attribute*/
                    for(AssertionSet assertionSet : policy) {
                        for(PolicyAssertion assertion : assertionSet) {
                            if(assertion.getName().equals(TCPConstants.TCPTRANSPORT_POLICY_ASSERTION)){
                                String value = assertion.getAttributeValue(new QName("enabled"));
                                if (value == null) return false;
                                value = value.trim();
                                
                                return (Boolean.valueOf(value) || value.equalsIgnoreCase("yes"));
                            }
                        }
                    }
                }
                
                return false;
            } catch (PolicyException e) {
                throw new WebServiceException(e);
            }
        }
        
        /**
         * Checks to see whether WS-Atomic Transactions are enabled or not.
         *
         * @param policyMap policy map for {@link this} assembler
         * @param wsdlPort the WSDLPort object
         * @param isServerSide true iff this method is being called from {@link PipelineAssembler#createServer(ServerPipeAssemblerContext)}
         * @return true if Transactions is enabled, false otherwise
         */
        private boolean isTransactionsEnabled(PolicyMap policyMap, WSDLPort wsdlPort, boolean isServerSide) {
            if (policyMap == null || wsdlPort == null || 
                !Util.isJTAAvailable() ) {     // false for standalone WSIT client or WSIT Service in Tomcat
                return false;
            }
            try {
                PolicyMapKey endpointKey = PolicyMap.createWsdlEndpointScopeKey(wsdlPort.getOwner().getName(),
                        wsdlPort.getName());
                Policy policy = policyMap.getEndpointEffectivePolicy(endpointKey);
                
                for (WSDLBoundOperation wbo : wsdlPort.getBinding().getBindingOperations()) {
                    PolicyMapKey operationKey = PolicyMap.createWsdlOperationScopeKey(wsdlPort.getOwner().getName(),
                            wsdlPort.getName(),
                            wbo.getName());
                    policy = policyMap.getOperationEffectivePolicy(operationKey);
                    
                    if (policy != null) {
                        // look for ATAlwaysCapable on the server side
                        if ((isServerSide) && (policy.contains(AT_ALWAYS_CAPABILITY))) {
                            return true;
                        }
                        
                        // look for ATAssertion in both client and server
                        if (policy.contains(AT_ASSERTION)) {
                            return true;
                        }
                    }
                }
            } catch (PolicyException e) {
                throw new WebServiceException(e);
            }
            
            return false;
        }
        
        /**
         * Checks to see whether WS-ReliableMessaging is enabled or not.
         *
         * @param policyMap policy map for {@link this} assembler
         * @param port wsdl:port
         * @return true if ReliableMessaging is enabled, false otherwise
         */
        private boolean isReliableMessagingEnabled(PolicyMap policyMap, WSDLPort port) {
            if (policyMap == null || port == null)
                return false;
            
            try {
                PolicyMapKey endpointKey = policyMap.createWsdlEndpointScopeKey(port.getOwner().getName(),
                        port.getName());
                Policy policy = policyMap.getEndpointEffectivePolicy(endpointKey);
                
                return (policy != null) && policy.contains(Constants.version);
            } catch (PolicyException e) {
                throw new WebServiceException(e);
            }
        }
        
        /**
         * Checks to see whether WS-Addressing is enabled or not.
         *
         * @param policyMap policy map for {@link this} assembler
         * @param port wsdl:port
         * @param binding Binding
         * @return true if Addressing is enabled, false otherwise
         */
        private boolean isAddressingEnabled(PolicyMap policyMap, WSDLPort port, WSBinding binding) {
            if (AddressingVersion.isEnabled(binding))
                return true;
            
            if (policyMap == null || port == null)
                return false;
            
            try {
                PolicyMapKey endpointKey = policyMap.createWsdlEndpointScopeKey(port.getOwner().getName(),
                        port.getName());
                Policy policy = policyMap.getEndpointEffectivePolicy(endpointKey);
                
                return (policy != null) &&
                        (policy.contains(AddressingVersion.W3C.policyNsUri) ||
                        policy.contains(AddressingVersion.MEMBER.policyNsUri));
            } catch (PolicyException e) {
                throw new WebServiceException(e);
            }
        }
        
        /**
         * Checks to see whether WS-Security is enabled or not.
         *
         * @param policyMap policy map for {@link this} assembler
         * @param wsdlPort wsdl:port
         * @return true if Security is enabled, false otherwise
         */
        private boolean isSecurityEnabled(PolicyMap policyMap, WSDLPort wsdlPort) {
            if (policyMap == null || wsdlPort == null)
                return false;
            
            try {
                PolicyMapKey endpointKey = policyMap.createWsdlEndpointScopeKey(wsdlPort.getOwner().getName(),
                        wsdlPort.getName());
                Policy policy = policyMap.getEndpointEffectivePolicy(endpointKey);
                
                if ((policy != null) && policy.contains(SECURITY_POLICY_NAMESPACE_URI)) {
                    return true;
                }
                
                for (WSDLBoundOperation wbo : wsdlPort.getBinding().getBindingOperations()) {
                    PolicyMapKey operationKey = policyMap.createWsdlOperationScopeKey(wsdlPort.getOwner().getName(),
                            wsdlPort.getName(),
                            wbo.getName());
                    policy = policyMap.getOperationEffectivePolicy(operationKey);
                    if ((policy != null) && policy.contains(SECURITY_POLICY_NAMESPACE_URI))
                        return true;
                    
                    policy = policyMap.getInputMessageEffectivePolicy(operationKey);
                    if ((policy != null) && policy.contains(SECURITY_POLICY_NAMESPACE_URI))
                        return true;
                    
                    policy = policyMap.getOutputMessageEffectivePolicy(operationKey);
                    if ((policy != null) && policy.contains(SECURITY_POLICY_NAMESPACE_URI))
                        return true;
                    
                    policy = policyMap.getFaultMessageEffectivePolicy(operationKey);
                    if ((policy != null) && policy.contains(SECURITY_POLICY_NAMESPACE_URI))
                        return true;
                }
            } catch (PolicyException e) {
                throw new WebServiceException(e);
            }
            
            return false;
        }
        
        private static <P> P[] loadSPs(final Class<P> svcClass) {
            return ServiceFinder.find(svcClass).toArray();
        }
        
        private Pipe dumpAction(String name, WSBinding binding, Pipe p) {
            if (Boolean.getBoolean(name)) {
                ActionDumpPipe[] pipes = loadSPs(ActionDumpPipe.class);
                if (pipes.length > 0) {
                    return pipes[0];
                }
                return new ActionDumpPipe(name, binding, p);
            }
            return p;
        }
        
        /**
         * Initializes the {@link PolicyMap} on the client side.
         *
         * If the server WSDL is known, this method returns:
         * <ul>
         * <li>PolicyMap that contains the policies for the client and server
         * <li>WSDLModel of the server
         * <li>PortInfo is null
         * </ul>
         *
         * If this is a dispatch client that does not know the server WSDL, this
         * method returns:
         * <ul>
         * <li>PolicyMap with the policies for the client
         * <li>WSDLModel of the client configuration
         * <li>PortInfo for the client
         * </ul>
         *
         * If there is no server WSDL and no client configuration, this method
         * returns null.
         *
         * @param context client assembler context
         * @return policy feature
         */
        private PolicyFeature initPolicyMap(ClientPipeAssemblerContext context) {
            logger.entering(this.getClass().getName(), "initPolicyMap", new Object[]{ context });
            PolicyFeature feature = null;
            PolicyMap map = null;
            WSDLModel model = null;
            
            WSDLPort wsdlPort = context.getWsdlModel();
            if (wsdlPort != null) {
                // Usually, the WSDL model holds the server and client policy maps
                // merged into one
                model = wsdlPort.getBinding().getOwner();
                WSDLPolicyMapWrapper mapWrapper = model.getExtension(WSDLPolicyMapWrapper.class);
                if (mapWrapper != null) {
                    map = mapWrapper.getPolicyMap();
                }
                feature = new PolicyFeature(map, model, null);
                
            }
            // In dispatch mode, wsdlPort is null
            else {
                WSBinding binding = context.getBinding();
                // In this mode, we don't have a server policy map, so we read the
                // client policy map only
                feature = binding.getFeature(PolicyFeature.class);
            }
            
            logger.exiting(this.getClass().getName(), "initPolicyMap", feature);
            return feature;
        }
        
        /**
         * Initializes the {@link PolicyMap} on the server side.
         *
         * @param context server assembler context
         * @return initialized policy map
         */
        private PolicyMap initPolicyMap(ServerPipeAssemblerContext context) throws WebServiceException {
            PolicyMap map = null;
            
            WSDLPort wsdlPort = context.getWsdlModel();
            if (wsdlPort != null) {
                WSDLModel model = wsdlPort.getBinding().getOwner();
                WSDLPolicyMapWrapper mapWrapper = model.getExtension(WSDLPolicyMapWrapper.class);
                if (mapWrapper != null) {
                    map = mapWrapper.getPolicyMap();
                }
                
                if (map != null) {
                    try {
                        PolicyMapUtil.rejectAlternatives(map);
                    } catch (PolicyException e) {
                        throw new WebServiceException(e);
                    }
                }
            }
            
            return map;
        }
        
        private void setSecurityCodec(ServerPipeAssemblerContext context){
            StreamSOAPCodec primaryCodec = Codecs.createSOAPEnvelopeXmlCodec(context.getEndpoint().getBinding().getSOAPVersion());
            LazyStreamCodec lsc = new LazyStreamCodec(primaryCodec);
            Codec fullCodec = Codecs.createSOAPBindingCodec(context.getEndpoint().getBinding(),lsc);
            context.setCodec(fullCodec);
        }
        
        private void setSecurityCodec(ClientPipeAssemblerContext context){
            StreamSOAPCodec primaryCodec = Codecs.createSOAPEnvelopeXmlCodec(context.getBinding().getSOAPVersion());
            LazyStreamCodec lsc = new LazyStreamCodec(primaryCodec);
            Codec fullCodec = Codecs.createSOAPBindingCodec(context.getBinding(),lsc);
            context.setCodec(fullCodec);
        }
        

        /**
         * Helper class to return both PolicyMap and WSDLModel
         */
        private static class MapModelRecord {
            private final PolicyMap policyMap;
            private final WSDLModel wsdlModel;

            MapModelRecord(PolicyMap map, WSDLModel model) {
                this.policyMap = map;
                this.wsdlModel = model;
            }

            public PolicyMap getPolicyMap() {
                return this.policyMap;
            }

            public WSDLModel getWsdlModel() {
                return this.wsdlModel;
            }
        }
    }
    
    public PipelineAssembler doCreate(final BindingID bindingId) {
        return new WsitPipelineAssembler(bindingId);
    }
    
    private static boolean isSecurityConfigPresent(ClientPipeAssemblerContext context) {
        //returning true by default for now, because the Client Side Security Config is
        //only accessible as a Runtime Property on BindingProvider.RequestContext
        return true;
    }
    
    private static boolean isSecurityConfigPresent(ServerPipeAssemblerContext context) {
        
        QName serviceQName = context.getEndpoint().getServiceName();
        QName portQName = context.getEndpoint().getPortName();
        //TODO: not sure which of the two above will give the service name as specified in DD
        String serviceLocalName = serviceQName.getLocalPart();
        
        ServletContext ctxt = context.getEndpoint().getContainer().getSPI(ServletContext.class);
        if (ctxt == null) {
            return false;
        }
        
        String serverName = "server";
        String serverConfig = "/WEB-INF/" + serverName + "_" + "security_config.xml";
        InputStream in = ctxt.getResourceAsStream(serverConfig);
        
        if (in == null) {
            serverConfig = "/WEB-INF/" + serviceLocalName + "_" + "security_config.xml";
            in = ctxt.getResourceAsStream(serverConfig);
        }
        
        if (in != null) {
            return true;
        }
        
        return false;
    }
    
    private static Pipe initializeXWSSClientPipe(WSDLPort prt, WSService svc, WSBinding bnd, Pipe nextP) {
        return new com.sun.xml.xwss.XWSSClientPipe(prt,svc, bnd, nextP);
    }
    
    private static Pipe initializeXWSSServerPipe(WSEndpoint epoint, WSDLPort prt, Pipe nextP) {
        return new com.sun.xml.xwss.XWSSServerPipe(epoint, prt, nextP);
    }
}