| /* |
| * 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); |
| } |
| } |
| } |
| } |