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16 package org.apache.neethi;
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18 import java.util.HashMap;
19 import java.util.Iterator;
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21 import javax.xml.namespace.QName;
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23 import org.apache.axiom.om.OMElement;
24 import org.apache.neethi.builders.AssertionBuilder;
25 import org.apache.neethi.builders.xml.XMLPrimitiveAssertionBuilder;
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27 import sun.misc.Service;
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36 public class AssertionBuilderFactory {
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38 public static final String POLICY_NAMESPACE = "http://schemas.xmlsoap.org/ws/2004/09/policy";
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40 public static final String POLICY = "Policy";
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42 public static final String EXACTLY_ONE = "ExactlyOne";
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44 public static final String ALL = "All";
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46 private static final QName XML_ASSERTION_BUILDER = new QName(
47 "http://test.org/test", "test");
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49 private static HashMap registeredBuilders = new HashMap();
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51 static {
52 AssertionBuilder builder;
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54 for (Iterator providers = Service.providers(AssertionBuilder.class); providers
55 .hasNext();) {
56 builder = (AssertionBuilder) providers.next();
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58 QName[] knownElements = builder.getKnownElements();
59 for (int i = 0; i < knownElements.length; i++) {
60 registerBuilder(knownElements[i], builder);
61 }
62 }
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64 registerBuilder(XML_ASSERTION_BUILDER, new XMLPrimitiveAssertionBuilder());
65 }
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74 public static void registerBuilder(QName key, AssertionBuilder builder) {
75 registeredBuilders.put(key, builder);
76 }
77
78 public AssertionBuilderFactory() {
79 }
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88 public Assertion build(OMElement element) {
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90 AssertionBuilder builder;
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92 QName qname = element.getQName();
93 builder = (AssertionBuilder) registeredBuilders.get(qname);
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95 if (builder != null) {
96 return builder.build(element, this);
97 }
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103 builder = (AssertionBuilder) registeredBuilders
104 .get(XML_ASSERTION_BUILDER);
105 return builder.build(element, this);
106 }
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115 public AssertionBuilder getBuilder(QName qname) {
116 return (AssertionBuilder) registeredBuilders.get(qname);
117 }
118 }