/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.cxf.ws.policy; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.cxf.Bus; import org.apache.cxf.common.logging.LogUtils; import org.apache.cxf.common.util.SystemPropertyAction; import org.apache.cxf.endpoint.Endpoint; import org.apache.cxf.helpers.CastUtils; import org.apache.cxf.interceptor.Interceptor; import org.apache.cxf.message.Exchange; import org.apache.cxf.message.Message; import org.apache.cxf.message.MessageUtils; import org.apache.cxf.phase.Phase; import org.apache.cxf.service.model.BindingOperationInfo; import org.apache.cxf.service.model.EndpointInfo; import org.apache.cxf.transport.Conduit; import org.apache.cxf.transport.Destination; import org.apache.neethi.Assertion; import org.apache.neethi.Policy; /** * */ public class PolicyOutInterceptor extends AbstractPolicyInterceptor { public static final PolicyOutInterceptor INSTANCE = new PolicyOutInterceptor(); private static final Logger LOG = LogUtils.getL7dLogger(PolicyOutInterceptor.class); public PolicyOutInterceptor() { super(PolicyConstants.POLICY_OUT_INTERCEPTOR_ID, Phase.SETUP); } protected void handle(Message msg) { Exchange exchange = msg.getExchange(); Bus bus = exchange.getBus(); BindingOperationInfo boi = exchange.getBindingOperationInfo(); if (null == boi) { LOG.fine("No binding operation info."); return; } Endpoint e = exchange.getEndpoint(); if (null == e) { LOG.fine("No endpoint."); return; } EndpointInfo ei = e.getEndpointInfo(); PolicyEngine pe = bus.getExtension(PolicyEngine.class); if (null == pe) { return; } Collection<Assertion> assertions = new ArrayList<>(); // 1. Check overridden policy Policy p = (Policy)msg.getContextualProperty(PolicyConstants.POLICY_OVERRIDE); if (p != null) { EndpointPolicyImpl endpi = new EndpointPolicyImpl(p); EffectivePolicyImpl effectivePolicy = new EffectivePolicyImpl(); effectivePolicy.initialise(endpi, (PolicyEngineImpl)pe, false, msg); msg.put(EffectivePolicy.class, effectivePolicy); PolicyUtils.logPolicy(LOG, Level.FINEST, "Using effective policy: ", effectivePolicy.getPolicy()); addInterceptors(effectivePolicy.getInterceptors(), msg); assertions.addAll(effectivePolicy.getChosenAlternative()); } else if (MessageUtils.isRequestor(msg)) { // 2. Process client policy Conduit conduit = exchange.getConduit(msg); // add the required interceptors EffectivePolicy effectivePolicy = pe.getEffectiveClientRequestPolicy(ei, boi, conduit, msg); msg.put(EffectivePolicy.class, effectivePolicy); if (effectivePolicy != null) { PolicyUtils.logPolicy( LOG, Level.FINEST, "Using effective policy: ", effectivePolicy.getPolicy() ); addInterceptors(effectivePolicy.getInterceptors(), msg); assertions.addAll(effectivePolicy.getChosenAlternative()); } } else { // 3. Process server policy Destination destination = exchange.getDestination(); List<List<Assertion>> incoming = CastUtils.cast((List<?>)exchange.get("ws-policy.validated.alternatives")); EffectivePolicy effectivePolicy = pe.getEffectiveServerResponsePolicy(ei, boi, destination, incoming, msg); msg.put(EffectivePolicy.class, effectivePolicy); if (effectivePolicy != null) { PolicyUtils.logPolicy( LOG, Level.FINEST, "Using effective policy: ", effectivePolicy.getPolicy() ); addInterceptors(effectivePolicy.getInterceptors(), msg); assertions.addAll(effectivePolicy.getChosenAlternative()); } } // insert assertions of endpoint's fault vocabulary into message if (null != assertions && !assertions.isEmpty()) { if (LOG.isLoggable(Level.FINEST)) { StringBuilder buf = new StringBuilder(); buf.append("Chosen alternative: "); String nl = SystemPropertyAction.getProperty("line.separator"); buf.append(nl); for (Assertion a : assertions) { PolicyUtils.printPolicyComponent(a, buf, 1); } LOG.finest(buf.toString()); } msg.put(AssertionInfoMap.class, new AssertionInfoMap(assertions)); msg.getInterceptorChain().add(PolicyVerificationOutInterceptor.INSTANCE); } } private static void addInterceptors(List<Interceptor<? extends Message>> interceptors, Message msg) { for (Interceptor<? extends Message> oi : interceptors) { msg.getInterceptorChain().add(oi); LOG.log(Level.FINE, "Added interceptor of type {0}", oi.getClass().getSimpleName()); } } }