/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.ws.secpolicy.builders;
import java.util.Iterator;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.axiom.om.OMElement;
import org.apache.neethi.Assertion;
import org.apache.neethi.AssertionBuilderFactory;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyEngine;
import org.apache.neethi.builders.AssertionBuilder;
import org.apache.ws.secpolicy.Constants;
import org.apache.ws.secpolicy.model.AlgorithmSuite;
import org.apache.ws.secpolicy.model.SignedEncryptedElements;
import org.apache.ws.secpolicy.model.SignedEncryptedParts;
import org.apache.ws.secpolicy.model.SupportingToken;
import org.apache.ws.secpolicy.model.Token;
public class SupportingTokensBuilder implements AssertionBuilder {
public Assertion build(OMElement element, AssertionBuilderFactory factory)
throws IllegalArgumentException {
QName name = element.getQName();
SupportingToken supportingToken = null;
if (Constants.SUPPORIING_TOKENS.equals(name)) {
supportingToken = new SupportingToken(
Constants.SUPPORTING_TOKEN_SUPPORTING);
} else if (Constants.SIGNED_SUPPORTING_TOKENS.equals(name)) {
supportingToken = new SupportingToken(
Constants.SUPPORTING_TOKEN_SIGNED);
} else if (Constants.ENDORSING_SUPPORTING_TOKENS.equals(name)) {
supportingToken = new SupportingToken(
Constants.SUPPORTING_TOKEN_ENDORSING);
} else if (Constants.SIGNED_ENDORSING_SUPPORTING_TOKENS.equals(name)) {
supportingToken = new SupportingToken(
Constants.SUPPORTING_TOKEN_SIGNED_ENDORSING);
}
Policy policy = PolicyEngine.getPolicy(element.getFirstElement());
policy = (Policy) policy.normalize(false);
for (Iterator iterator = policy.getAlternatives(); iterator.hasNext();) {
processAlternative((List) iterator.next(), supportingToken);
/*
* for the moment we will say there should be only one alternative
*/
break;
}
return supportingToken;
}
public QName[] getKnownElements() {
return new QName[] { Constants.SUPPORIING_TOKENS,
Constants.SIGNED_SUPPORTING_TOKENS,
Constants.ENDORSING_SUPPORTING_TOKENS,
Constants.SIGNED_ENDORSING_SUPPORTING_TOKENS};
}
private void processAlternative(List assertions, SupportingToken supportingToken) {
for (Iterator iterator = assertions.iterator(); iterator.hasNext();) {
Assertion primitive = (Assertion) iterator.next();
QName qname = primitive.getName();
if (Constants.ALGORITHM_SUITE.equals(qname)) {
supportingToken.setAlgorithmSuite((AlgorithmSuite) primitive);
} else if (Constants.SIGNED_PARTS.equals(qname)) {
supportingToken
.setSignedParts((SignedEncryptedParts) primitive);
} else if (Constants.SIGNED_ELEMENTS.equals(qname)) {
supportingToken
.setSignedElements((SignedEncryptedElements) primitive);
} else if (Constants.ENCRYPTED_PARTS.equals(qname)) {
supportingToken
.setEncryptedParts((SignedEncryptedParts) primitive);
} else if (Constants.ENCRYPTED_ELEMENTS.equals(qname)) {
supportingToken
.setEncryptedElements((SignedEncryptedElements) primitive);
} else if (primitive instanceof Token) {
supportingToken.addToken((Token) primitive);
}
}
}
}