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   1 package org.collectionspace.services.relation.nuxeo;\r
   2 \r
   3 //import junit.framework.Assert;\r
   4 import org.collectionspace.services.client.PoxPayloadIn;\r
   5 import org.collectionspace.services.client.PoxPayloadOut;\r
   6 import org.collectionspace.services.common.document.InvalidDocumentException;\r
   7 import org.collectionspace.services.common.document.ValidatorHandlerImpl;\r
   8 import org.collectionspace.services.common.api.RefName.Authority;\r
   9 import org.collectionspace.services.common.api.RefName.AuthorityItem;\r
  10 import org.collectionspace.services.common.api.Tools;\r
  11 import org.collectionspace.services.relation.RelationsCommon;\r
  12 \r
  13 import org.slf4j.Logger;\r
  14 import org.slf4j.LoggerFactory;\r
  15 //import org.testng.Assert;\r
  16 \r
  17 public class RelationValidatorHandler extends ValidatorHandlerImpl<PoxPayloadIn, PoxPayloadOut>  {\r
  18 \r
  19     /** The logger. */\r
  20     private final Logger logger = LoggerFactory.getLogger(RelationValidatorHandler.class);\r
  21     /* Error messages \r
  22      */\r
  23     private static final String VALIDATION_ERROR = "The relation record payload was invalid. See log file for more details.";\r
  24     private static final String SUBJECT_EQUALS_OBJECT_ERROR = "The subject ID and object ID cannot be the same.";\r
  25     \r
  26     @Override\r
  27     protected Class<?> getCommonPartClass() {\r
  28         return RelationsCommon.class;\r
  29     }\r
  30     \r
  31     @Override\r
  32     protected void handleCreate()\r
  33                 throws InvalidDocumentException{\r
  34         try {\r
  35                 RelationsCommon relationsCommon = (RelationsCommon)getCommonPart();\r
  36                 CS_ASSERT(relationsCommon != null);\r
  37                 if (logger.isTraceEnabled() == true) {\r
  38                         logger.trace(relationsCommon.toString());\r
  39                 }\r
  40                 \r
  41             String subjectCsid = getSubjectCsid(relationsCommon);\r
  42             String objectCsid = getObjectCsid(relationsCommon);\r
  43                 \r
  44             // If no CSID for a subject or object is included in the create payload,\r
  45             // a refName must be provided for that subject or object as an alternate identifier.\r
  46             CS_ASSERT(hasCsid(subjectCsid) || hasSubjectRefname(relationsCommon));\r
  47             CS_ASSERT(hasCsid(objectCsid) || hasObjectRefname(relationsCommon));\r
  48                 \r
  49             // The Subject identifier and Object ID must not be identical:\r
  50             // that is, a resource cannot be related to itself.\r
  51             if (hasCsid(subjectCsid) && hasCsid(objectCsid)) {\r
  52                 CS_ASSERT (subjectCsid.trim().equalsIgnoreCase(objectCsid.trim()) == false,\r
  53                         SUBJECT_EQUALS_OBJECT_ERROR);\r
  54             }\r
  55 \r
  56             // A relationship type must be provided.\r
  57             CS_ASSERT(relationsCommon.getRelationshipType() != null);\r
  58 \r
  59         } catch (AssertionError e) {\r
  60                 if (logger.isErrorEnabled() == true) {\r
  61                         logger.error(e.getMessage(), e);\r
  62                 }\r
  63                 throw new InvalidDocumentException(VALIDATION_ERROR, e);\r
  64         }\r
  65     }\r
  66 \r
  67         @Override\r
  68         protected void handleGet() {\r
  69                 // TODO Auto-generated method stub\r
  70         }\r
  71 \r
  72         @Override\r
  73         protected void handleGetAll() {\r
  74                 // TODO Auto-generated method stub\r
  75         }\r
  76 \r
  77         @Override\r
  78         protected void handleUpdate() {\r
  79                 // TODO Auto-generated method stub\r
  80         }\r
  81 \r
  82         @Override\r
  83         protected void handleDelete() {\r
  84                 // TODO Auto-generated method stub\r
  85     }\r
  86                 \r
  87     private String getSubjectCsid(RelationsCommon relationsCommon) {\r
  88         String subjectCsid = relationsCommon.getSubjectCsid();\r
  89         // FIXME: Remove this entire 'if' statement when legacy fields are removed from the Relation record:\r
  90         if (Tools.isBlank(subjectCsid)) {\r
  91             subjectCsid = relationsCommon.getDocumentId1();\r
  92         }\r
  93         return subjectCsid;\r
  94     }\r
  95 \r
  96     private String getObjectCsid(RelationsCommon relationsCommon) {\r
  97         String objectCsid = relationsCommon.getObjectCsid();\r
  98         // FIXME: Remove this entire 'if' statement when legacy fields are removed from the Relation record:\r
  99         if (Tools.isBlank(objectCsid)) {\r
 100             objectCsid = relationsCommon.getDocumentId2();\r
 101 }\r
 102         return objectCsid;\r
 103     }\r
 104 \r
 105     private boolean hasCsid(String csid) {\r
 106         boolean hasCsid = false;\r
 107         if (Tools.notBlank(csid)) {\r
 108             hasCsid = true;\r
 109         }\r
 110         return hasCsid;\r
 111     }\r
 112 \r
 113     private boolean hasSubjectRefname(RelationsCommon relationsCommon) {\r
 114         String subjectRefName = relationsCommon.getSubjectRefName();\r
 115         return hasRefName(subjectRefName);\r
 116     }\r
 117 \r
 118     private boolean hasObjectRefname(RelationsCommon relationsCommon) {\r
 119         String objectRefName = relationsCommon.getObjectRefName();\r
 120         return hasRefName(objectRefName);\r
 121     }\r
 122 \r
 123     private boolean hasRefName(String refName) {\r
 124         boolean hasRefname = false;\r
 125         if (Tools.isBlank(refName)) {\r
 126             return hasRefname;\r
 127         } else {\r
 128             Authority authority = Authority.parse(refName);\r
 129             AuthorityItem authItem = AuthorityItem.parse(refName);\r
 130             if (authority != null || authItem != null) {\r
 131                 hasRefname = true;\r
 132             }\r
 133             return hasRefname;\r
 134         }\r
 135 \r
 136     }\r
 137 }\r