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18 package edu.internet2.middleware.shibboleth.common.config.security;
19
20 import javax.xml.namespace.QName;
21
22 import org.opensaml.xml.util.DatatypeHelper;
23 import org.opensaml.xml.util.XMLHelper;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
26 import org.springframework.beans.FatalBeanException;
27 import org.springframework.beans.factory.support.AbstractBeanDefinition;
28 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
29 import org.springframework.beans.factory.support.ManagedList;
30 import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
31 import org.springframework.beans.factory.xml.ParserContext;
32 import org.w3c.dom.Element;
33
34 import edu.internet2.middleware.shibboleth.common.config.SpringConfigurationUtils;
35
36
37 public class ChainingSignatureTrustEngineBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
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40 public static final QName SCHEMA_TYPE = new QName(SecurityNamespaceHandler.NAMESPACE, "SignatureChaining");
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43 private static final QName TRUST_ENGINE_NAME = new QName(SecurityNamespaceHandler.NAMESPACE, "TrustEngine");
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46 private static final QName TRUST_ENGINE_REF_NAME = new QName(SecurityNamespaceHandler.NAMESPACE, "TrustEngineRef");
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49 private final Logger log = LoggerFactory.getLogger(ChainingSignatureTrustEngineBeanDefinitionParser.class);
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52 protected Class getBeanClass(Element element) {
53 return ChainingSignatureTrustEngineFactoryBean.class;
54 }
55
56
57 @SuppressWarnings("unchecked")
58 protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
59 log.info("Parsing configuration for {} trust engine with id: {}", XMLHelper.getXSIType(element).getLocalPart(),
60 element.getAttributeNS(null, "id"));
61
62 ManagedList managedChain = new ManagedList();
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64 Element child = XMLHelper.getFirstChildElement(element);
65 while (child != null) {
66 QName childName = XMLHelper.getNodeQName(child);
67 if (TRUST_ENGINE_NAME.equals(childName)) {
68 log.debug("Parsing chain trust engine member {}", element.getAttributeNS(null, "id"));
69 managedChain.add(SpringConfigurationUtils.parseCustomElement(child, parserContext));
70 } else if (TRUST_ENGINE_REF_NAME.equals(childName)) {
71 log.debug("Parsing chain trust engine member reference {}", element.getAttributeNS(null, "ref"));
72 managedChain.add(SpringConfigurationUtils.parseCustomElementReference(child, "ref", parserContext));
73 } else {
74 log.error("Unsupported child element of chaining trust engine '{}' encountered with name: {}", element
75 .getAttributeNS(null, "id"), childName);
76 throw new FatalBeanException("Unsupported child element of chaining trust engine encountered");
77 }
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79 child = XMLHelper.getNextSiblingElement(child);
80 }
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82 builder.addPropertyValue("chain", managedChain);
83 }
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86 protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) {
87 return DatatypeHelper.safeTrim(element.getAttributeNS(null, "id"));
88 }
89 }