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17 package org.opensaml.xml.security.credential.criteria;
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19 import org.opensaml.xml.security.credential.Credential;
20 import org.opensaml.xml.security.criteria.EntityIDCriteria;
21 import org.opensaml.xml.util.DatatypeHelper;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
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28 public class EvaluableEntityIDCredentialCriteria implements EvaluableCredentialCriteria {
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31 private final Logger log = LoggerFactory.getLogger(EvaluableEntityIDCredentialCriteria.class);
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34 private String entityID;
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41 public EvaluableEntityIDCredentialCriteria(EntityIDCriteria criteria) {
42 if (criteria == null) {
43 throw new NullPointerException("Criteria instance may not be null");
44 }
45 entityID = criteria.getEntityID();
46 }
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53 public EvaluableEntityIDCredentialCriteria(String newEntityID) {
54 if (DatatypeHelper.isEmpty(newEntityID)) {
55 throw new IllegalArgumentException("Entity ID may not be null");
56 }
57 entityID = newEntityID;
58 }
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61 public Boolean evaluate(Credential target) {
62 if (target == null) {
63 log.error("Credential target was null");
64 return null;
65 }
66 if (DatatypeHelper.isEmpty(target.getEntityId())) {
67 log.info("Could not evaluate criteria, credential contained no entity ID");
68 return null;
69 }
70 Boolean result = entityID.equals(target.getEntityId());
71 return result;
72 }
73
74 }