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/**
* 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.security.policy.builders;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.ws.policy.AssertionBuilder;
import org.apache.cxf.ws.policy.PolicyAssertion;
import org.apache.cxf.ws.policy.PolicyBuilder;
import org.apache.cxf.ws.security.policy.SP11Constants;
import org.apache.cxf.ws.security.policy.SP12Constants;
import org.apache.cxf.ws.security.policy.SPConstants;
import org.apache.cxf.ws.security.policy.model.AlgorithmSuite;
import org.apache.cxf.ws.security.policy.model.Layout;
import org.apache.cxf.ws.security.policy.model.ProtectionToken;
import org.apache.cxf.ws.security.policy.model.SymmetricBinding;
import org.apache.neethi.Assertion;
import org.apache.neethi.Policy;
public class SymmetricBindingBuilder implements AssertionBuilder {
private static final List KNOWN_ELEMENTS
= Arrays.asList(SP11Constants.SYMMETRIC_BINDING, SP12Constants.SYMMETRIC_BINDING);
PolicyBuilder builder;
public SymmetricBindingBuilder(PolicyBuilder b) {
builder = b;
}
public List getKnownElements() {
return KNOWN_ELEMENTS;
}
public PolicyAssertion build(Element element)
throws IllegalArgumentException {
SPConstants consts = SP11Constants.SP_NS.equals(element.getNamespaceURI())
? SP11Constants.INSTANCE : SP12Constants.INSTANCE;
SymmetricBinding symmetricBinding = new SymmetricBinding(consts, builder);
Policy policy = builder.getPolicy(DOMUtils.getFirstElement(element));
policy = (Policy)policy.normalize(builder.getPolicyRegistry(), false);
for (Iterator iterator = policy.getAlternatives(); iterator.hasNext();) {
processAlternatives((List)iterator.next(), symmetricBinding, consts);
/*
* since there should be only one alternative ..
*/
break;
}
return symmetricBinding;
}
private void processAlternatives(List assertions, SymmetricBinding symmetricBinding, SPConstants consts) {
Assertion assertion;
QName name;
for (Iterator iterator = assertions.iterator(); iterator.hasNext();) {
assertion = (Assertion)iterator.next();
name = assertion.getName();
if (!consts.getNamespace().equals(name.getNamespaceURI())
&& !SP12Constants.INSTANCE.getNamespace().equals(name.getNamespaceURI())) {
continue;
}
if (SPConstants.ALGO_SUITE.equals(name.getLocalPart())) {
symmetricBinding.setAlgorithmSuite((AlgorithmSuite)assertion);
} else if (SPConstants.LAYOUT.equals(name.getLocalPart())) {
symmetricBinding.setLayout((Layout)assertion);
} else if (SPConstants.INCLUDE_TIMESTAMP.equals(name.getLocalPart())) {
symmetricBinding.setIncludeTimestamp(true);
} else if (SPConstants.PROTECTION_TOKEN.equals(name.getLocalPart())) {
symmetricBinding.setProtectionToken((ProtectionToken)assertion);
} else if (SPConstants.ENCRYPT_BEFORE_SIGNING.equals(name.getLocalPart())) {
symmetricBinding.setProtectionOrder(SPConstants.ProtectionOrder.EncryptBeforeSigning);
} else if (SPConstants.SIGN_BEFORE_ENCRYPTING.equals(name.getLocalPart())) {
symmetricBinding.setProtectionOrder(SPConstants.ProtectionOrder.SignBeforeEncrypting);
} else if (SPConstants.ONLY_SIGN_ENTIRE_HEADERS_AND_BODY.equals(name.getLocalPart())) {
symmetricBinding.setEntireHeadersAndBodySignatures(true);
} else if (SPConstants.ENCRYPT_SIGNATURE.equals(name.getLocalPart())) {
symmetricBinding.setSignatureProtection(true);
}
}
}
public PolicyAssertion buildCompatible(PolicyAssertion a, PolicyAssertion b) {
// TODO Auto-generated method stub
return null;
}
}