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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements. See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership. The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License. You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied. See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.wss4j.policy.builders;
20  
21  import org.apache.neethi.Assertion;
22  import org.apache.neethi.AssertionBuilderFactory;
23  import org.apache.neethi.Policy;
24  import org.apache.neethi.builders.AssertionBuilder;
25  import org.apache.wss4j.policy.SP13Constants;
26  import org.apache.wss4j.policy.SPConstants;
27  import org.apache.wss4j.policy.SPUtils;
28  import org.apache.wss4j.policy.model.KeyValueToken;
29  import org.w3c.dom.Element;
30  
31  import javax.xml.namespace.QName;
32  
33  public class KeyValueTokenBuilder implements AssertionBuilder<Element> {
34  
35      @Override
36      public Assertion build(Element element, AssertionBuilderFactory factory) throws IllegalArgumentException {
37  
38          final SPConstants.SPVersion spVersion = SPConstants.SPVersion.getSPVersion(element.getNamespaceURI());
39          final String includeTokenValue = SPUtils.getAttribute(element, spVersion.getSPConstants().getIncludeToken());
40          final Element issuer = SPUtils.getFirstChildElement(element, spVersion.getSPConstants().getIssuer());
41          if (issuer != null) {
42              throw new IllegalArgumentException(SPConstants.ERR_INVALID_POLICY);
43          }
44          final String issuerName = SPUtils.getFirstChildElementText(element, spVersion.getSPConstants().getIssuerName());
45          if (issuerName != null) {
46              throw new IllegalArgumentException(SPConstants.ERR_INVALID_POLICY);
47          }
48          final Element nestedPolicyElement = SPUtils.getFirstPolicyChildElement(element);
49  
50          Policy nestedPolicy = null;
51          if (nestedPolicyElement == null) {
52              nestedPolicy = new Policy();
53          } else {
54              nestedPolicy = factory.getPolicyEngine().getPolicy(nestedPolicyElement);
55          }
56  
57          KeyValueToken keyValueToken = new KeyValueToken(
58                  spVersion,
59                  spVersion.getSPConstants().getInclusionFromAttributeValue(includeTokenValue),
60                  nestedPolicy
61          );
62          keyValueToken.setOptional(SPUtils.isOptional(element));
63          keyValueToken.setIgnorable(SPUtils.isIgnorable(element));
64          return keyValueToken;
65      }
66  
67      @Override
68      public QName[] getKnownElements() {
69          return new QName[]{SP13Constants.KEY_VALUE_TOKEN};
70      }
71  }