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org.apache.cxf.ws.policy.EffectivePolicyImpl Maven / Gradle / Ivy
/**
* 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.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.namespace.QName;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.interceptor.Interceptor;
import org.apache.cxf.service.model.BindingFaultInfo;
import org.apache.cxf.service.model.BindingMessageInfo;
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;
import org.apache.neethi.PolicyContainingAssertion;
/**
*
*/
public class EffectivePolicyImpl implements EffectivePolicy {
private static final ResourceBundle BUNDLE = BundleUtils.getBundle(EffectivePolicyImpl.class);
private static final Logger LOG = LogUtils.getL7dLogger(EffectivePolicyImpl.class);
protected Policy policy;
protected Collection chosenAlternative;
protected List> interceptors;
public Policy getPolicy() {
return policy;
}
public List> getInterceptors() {
return interceptors;
}
public Collection getChosenAlternative() {
return chosenAlternative;
}
void initialise(EndpointPolicyImpl epi, PolicyEngineImpl engine, boolean inbound) {
policy = epi.getPolicy();
chosenAlternative = epi.getChosenAlternative();
if (chosenAlternative == null) {
chooseAlternative(engine, null);
}
initialiseInterceptors(engine, inbound);
}
void initialise(EndpointInfo ei,
BindingOperationInfo boi,
PolicyEngineImpl engine,
Assertor assertor,
boolean requestor,
boolean request) {
initialisePolicy(ei, boi, engine, requestor, request, assertor);
chooseAlternative(engine, assertor);
initialiseInterceptors(engine, false);
}
void initialise(EndpointInfo ei,
BindingOperationInfo boi,
PolicyEngineImpl engine,
Assertor assertor,
boolean requestor,
boolean request,
List> incoming) {
initialisePolicy(ei, boi, engine, requestor, request, assertor);
chooseAlternative(engine, assertor, incoming);
initialiseInterceptors(engine, false);
}
void initialise(EndpointInfo ei,
BindingOperationInfo boi,
PolicyEngineImpl engine,
boolean requestor, boolean request) {
Assertor assertor = initialisePolicy(ei, boi, engine, requestor, request, null);
chooseAlternative(engine, assertor);
initialiseInterceptors(engine, requestor);
}
void initialise(EndpointInfo ei,
BindingOperationInfo boi,
BindingFaultInfo bfi,
PolicyEngineImpl engine,
Assertor assertor) {
initialisePolicy(ei, boi, bfi, engine);
chooseAlternative(engine, assertor);
initialiseInterceptors(engine, false);
}
Assertor initialisePolicy(EndpointInfo ei,
BindingOperationInfo boi,
PolicyEngineImpl engine,
boolean requestor, boolean request,
Assertor assertor) {
if (boi.isUnwrapped()) {
boi = boi.getUnwrappedOperation();
}
BindingMessageInfo bmi = request ? boi.getInput() : boi.getOutput();
EndpointPolicy ep;
if (requestor) {
ep = engine.getClientEndpointPolicy(ei, (Conduit)assertor);
} else {
ep = engine.getServerEndpointPolicy(ei, (Destination)assertor);
}
policy = ep.getPolicy();
if (ep instanceof EndpointPolicyImpl) {
assertor = ((EndpointPolicyImpl)ep).getAssertor();
}
policy = policy.merge(engine.getAggregatedOperationPolicy(boi));
if (null != bmi) {
policy = policy.merge(engine.getAggregatedMessagePolicy(bmi));
}
policy = (Policy)policy.normalize(engine.getRegistry(), true);
return assertor;
}
void initialisePolicy(EndpointInfo ei, BindingOperationInfo boi,
BindingFaultInfo bfi, PolicyEngineImpl engine) {
policy = engine.getServerEndpointPolicy(ei, (Destination)null).getPolicy();
policy = policy.merge(engine.getAggregatedOperationPolicy(boi));
if (bfi != null) {
policy = policy.merge(engine.getAggregatedFaultPolicy(bfi));
}
policy = (Policy)policy.normalize(engine.getRegistry(), true);
}
void chooseAlternative(PolicyEngineImpl engine, Assertor assertor) {
chooseAlternative(engine, assertor, null);
}
void chooseAlternative(PolicyEngineImpl engine, Assertor assertor, List> incoming) {
Collection alternative = engine.getAlternativeSelector()
.selectAlternative(policy, engine, assertor, incoming);
if (null == alternative) {
PolicyUtils.logPolicy(LOG, Level.FINE, "No alternative supported.", getPolicy());
throw new PolicyException(new Message("NO_ALTERNATIVE_EXC", BUNDLE));
} else {
setChosenAlternative(alternative);
}
}
void initialiseInterceptors(PolicyEngineImpl engine) {
initialiseInterceptors(engine, false);
}
void initialiseInterceptors(PolicyEngineImpl engine, boolean useIn) {
if (engine.getBus() != null) {
PolicyInterceptorProviderRegistry reg
= engine.getBus().getExtension(PolicyInterceptorProviderRegistry.class);
Set> out
= new LinkedHashSet>();
for (Assertion a : getChosenAlternative()) {
initialiseInterceptors(reg, engine, out, a, useIn);
}
setInterceptors(new ArrayList>(out));
}
}
protected Collection getSupportedAlternatives(PolicyEngineImpl engine,
Policy p) {
Collection alternatives = new ArrayList();
for (Iterator> it = p.getAlternatives(); it.hasNext();) {
List alternative = it.next();
if (engine.supportsAlternative(alternative, null)) {
alternatives.addAll(alternative);
}
}
return alternatives;
}
void initialiseInterceptors(PolicyInterceptorProviderRegistry reg,
PolicyEngineImpl engine,
Set> out,
Assertion a,
boolean usIn) {
QName qn = a.getName();
PolicyInterceptorProvider pp = reg.get(qn);
if (null != pp) {
out.addAll(usIn ? pp.getInInterceptors() : pp.getOutInterceptors());
}
if (a instanceof PolicyContainingAssertion) {
Policy p = ((PolicyContainingAssertion)a).getPolicy();
if (p != null) {
for (Assertion a2 : getSupportedAlternatives(engine, p)) {
initialiseInterceptors(reg, engine, out, a2, usIn);
}
}
}
}
// for tests
void setPolicy(Policy ep) {
policy = ep;
}
void setChosenAlternative(Collection c) {
chosenAlternative = c;
}
void setInterceptors(List> out) {
interceptors = out;
}
}
