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   1 package org.collectionspace.services.relation.nuxeo;
   2
   3 //import junit.framework.Assert;
   4 import org.collectionspace.services.client.PoxPayloadIn;
   5 import org.collectionspace.services.client.PoxPayloadOut;
   6 import org.collectionspace.services.common.document.InvalidDocumentException;
   7 import org.collectionspace.services.common.document.ValidatorHandlerImpl;
   8 import org.collectionspace.services.common.api.RefName.Authority;
   9 import org.collectionspace.services.common.api.RefName.AuthorityItem;
  10 import org.collectionspace.services.common.api.Tools;
  11 import org.collectionspace.services.relation.RelationsCommon;
  12
  13 import org.slf4j.Logger;
  14 import org.slf4j.LoggerFactory;
  15 //import org.testng.Assert;
  16
  17 public class RelationValidatorHandler extends ValidatorHandlerImpl<PoxPayloadIn, PoxPayloadOut>  {
  18
  19     /** The logger. */
  20     private final Logger logger = LoggerFactory.getLogger(RelationValidatorHandler.class);
  21     /* Error messages
  22      */
  23     private static final String VALIDATION_ERROR = "The relation record payload was invalid. See log file for more details.";
  24     private static final String SUBJECT_EQUALS_OBJECT_ERROR = "The subject ID and object ID cannot be the same.";
  25
  26     @Override
  27     protected Class<?> getCommonPartClass() {
  28         return RelationsCommon.class;
  29     }
  30
  31     @Override
  32     protected void handleCreate()
  33                 throws InvalidDocumentException{
  34         try {
  35                 RelationsCommon relationsCommon = (RelationsCommon)getCommonPart();
  36                 CS_ASSERT(relationsCommon != null);
  37                 if (logger.isTraceEnabled() == true) {
  38                         logger.trace(relationsCommon.toString());
  39                 }
  40
  41             String subjectCsid = relationsCommon.getSubjectCsid();
  42             String objectCsid = relationsCommon.getObjectCsid();
  43
  44             // If no CSID for a subject or object is included in the create payload,
  45             // a refName must be provided for that subject or object as an alternate identifier.
  46             CS_ASSERT(hasCsid(subjectCsid) || hasSubjectRefname(relationsCommon));
  47             CS_ASSERT(hasCsid(objectCsid) || hasObjectRefname(relationsCommon));
  48
  49             // The Subject identifier and Object ID must not be identical:
  50             // that is, a resource cannot be related to itself.
  51             if (hasCsid(subjectCsid) && hasCsid(objectCsid)) {
  52                 CS_ASSERT (subjectCsid.trim().equalsIgnoreCase(objectCsid.trim()) == false,
  53                         SUBJECT_EQUALS_OBJECT_ERROR);
  54             }
  55
  56             // A relationship type must be provided.
  57             CS_ASSERT(relationsCommon.getRelationshipType() != null);
  58
  59         } catch (AssertionError e) {
  60                 if (logger.isErrorEnabled() == true) {
  61                         logger.error(e.getMessage(), e);
  62                 }
  63                 throw new InvalidDocumentException(VALIDATION_ERROR, e);
  64         }
  65     }
  66
  67         @Override
  68         protected void handleGet() {
  69                 // TODO Auto-generated method stub
  70         }
  71
  72         @Override
  73         protected void handleGetAll() {
  74                 // TODO Auto-generated method stub
  75         }
  76
  77         @Override
  78         protected void handleUpdate() {
  79                 // TODO Auto-generated method stub
  80         }
  81
  82         @Override
  83         protected void handleDelete() {
  84                 // TODO Auto-generated method stub
  85     }
  86
  87     private boolean hasCsid(String csid) {
  88         boolean hasCsid = false;
  89         if (Tools.notBlank(csid)) {
  90             hasCsid = true;
  91         }
  92         return hasCsid;
  93     }
  94
  95     private boolean hasSubjectRefname(RelationsCommon relationsCommon) {
  96         String subjectRefName = relationsCommon.getSubjectRefName();
  97         return hasRefName(subjectRefName);
  98     }
  99
 100     private boolean hasObjectRefname(RelationsCommon relationsCommon) {
 101         String objectRefName = relationsCommon.getObjectRefName();
 102         return hasRefName(objectRefName);
 103     }
 104
 105     private boolean hasRefName(String refName) {
 106         boolean hasRefname = false;
 107         if (Tools.isBlank(refName)) {
 108             return hasRefname;
 109         } else {
 110             Authority authority = Authority.parse(refName);
 111             AuthorityItem authItem = AuthorityItem.parse(refName);
 112             if (authority != null || authItem != null) {
 113                 hasRefname = true;
 114             }
 115             return hasRefname;
 116         }
 117
 118     }
 119 }