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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.SP11Constants;
26 import org.apache.wss4j.policy.SP13Constants;
27 import org.apache.wss4j.policy.SPConstants;
28 import org.apache.wss4j.policy.SPUtils;
29 import org.apache.wss4j.policy.model.EncryptionToken;
30 import org.w3c.dom.Element;
31
32 import javax.xml.namespace.QName;
33
34 public class EncryptionTokenBuilder implements AssertionBuilder<Element> {
35
36 @Override
37 public Assertion build(Element element, AssertionBuilderFactory factory) throws IllegalArgumentException {
38 final SPConstants.SPVersion spVersion = SPConstants.SPVersion.getSPVersion(element.getNamespaceURI());
39 final Element nestedPolicyElement = SPUtils.getFirstPolicyChildElement(element);
40 final Policy nestedPolicy =
41 nestedPolicyElement != null ? factory.getPolicyEngine().getPolicy(nestedPolicyElement) : new Policy();
42 EncryptionToken encryptionToken = new EncryptionToken(
43 spVersion,
44 nestedPolicy
45 );
46 encryptionToken.setOptional(SPUtils.isOptional(element));
47 encryptionToken.setIgnorable(SPUtils.isIgnorable(element));
48 return encryptionToken;
49 }
50
51 @Override
52 public QName[] getKnownElements() {
53 return new QName[]{SP13Constants.ENCRYPTION_TOKEN, SP11Constants.ENCRYPTION_TOKEN};
54 }
55 }