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   1 package org.collectionspace.services.listener;
   2
   3 import java.io.Serializable;
   4 import org.collectionspace.services.common.api.RefNameUtils;
   5 import org.collectionspace.services.common.api.Tools;
   6 import org.nuxeo.ecm.core.api.ClientException;
   7 import org.nuxeo.ecm.core.api.DocumentModel;
   8 import org.slf4j.Logger;
   9 import org.slf4j.LoggerFactory;
  10
  11 public class UpdateObjectLocationAndCrateOnMove extends UpdateObjectLocationOnMove {
  12     private final Logger logger = LoggerFactory.getLogger(UpdateObjectLocationAndCrateOnMove.class);
  13     // FIXME: Get values below from external constants
  14     private final static String COLLECTIONOBJECTS_ANTHROPOLOGY_SCHEMA = "collectionobjects_anthropology";
  15     private final static String MOVEMENTS_ANTHROPOLOGY_SCHEMA = "movements_anthropology";
  16     private final static String CRATE_PROPERTY = "crate";
  17     private final static String COMPUTED_CRATE_PROPERTY = "computedCrate";
  18
  19     @Override
  20     protected boolean updateCollectionObjectLocation(DocumentModel collectionObjectDocModel,
  21             DocumentModel movementDocModel,
  22             String mostRecentLocation) throws ClientException {
  23         boolean flag = super.updateCollectionObjectLocation(collectionObjectDocModel, movementDocModel, mostRecentLocation);
  24         collectionObjectDocModel = updateComputedCrateValue(collectionObjectDocModel, movementDocModel);
  25
  26         return flag;
  27     }
  28
  29     private DocumentModel updateComputedCrateValue(DocumentModel collectionObjectDocModel,
  30             DocumentModel movementDocModel)
  31             throws ClientException {
  32
  33         // Get the current crate value from the Movement (the "new" value)
  34         String crateRefName =
  35                 (String) movementDocModel.getProperty(MOVEMENTS_ANTHROPOLOGY_SCHEMA, CRATE_PROPERTY);
  36
  37         // Check that the value returned, which is expected to be a
  38         // reference (refName) to an authority term:
  39         //
  40         // * If it is not blank ...
  41         // * Is then capable of being successfully parsed by an authority item parser.
  42         if (Tools.notBlank(crateRefName)
  43                 && RefNameUtils.parseAuthorityTermInfo(crateRefName) == null) {
  44             logger.warn("Could not parse crate refName '" + crateRefName + "'");
  45             return collectionObjectDocModel;
  46         } else {
  47             if (logger.isTraceEnabled()) {
  48                 logger.trace("crate refName passes basic validation tests.");
  49                 logger.trace("crate refName=" + crateRefName);
  50             }
  51         }
  52         // Get the computed crate value of the CollectionObject
  53         // (the "existing" value)
  54         String existingCrateRefName =
  55                 (String) collectionObjectDocModel.getProperty(COLLECTIONOBJECTS_ANTHROPOLOGY_SCHEMA,
  56                 COMPUTED_CRATE_PROPERTY);
  57         if (logger.isTraceEnabled()) {
  58             logger.trace("Existing crate refName=" + existingCrateRefName);
  59         }
  60
  61         // If the new value is blank, any non-blank existing value should always
  62         // be overwritten ('nulled out') with a blank value.
  63         if (Tools.isBlank(crateRefName) && Tools.notBlank(existingCrateRefName)) {
  64             collectionObjectDocModel.setProperty(COLLECTIONOBJECTS_ANTHROPOLOGY_SCHEMA,
  65                     COMPUTED_CRATE_PROPERTY, (Serializable) null);
  66             // Otherwise, if the new value is not blank, and
  67             // * the existing value is blank, or
  68             // * the new value is different than the existing value ...
  69         } else if (Tools.notBlank(crateRefName) &&
  70                     (Tools.isBlank(existingCrateRefName)
  71                     || !crateRefName.equals(existingCrateRefName))) {
  72             if (logger.isTraceEnabled()) {
  73                 logger.trace("crate refName requires updating.");
  74             }
  75             // ... update the existing value in the CollectionObject with the
  76             // new value from the Movement.
  77             collectionObjectDocModel.setProperty(COLLECTIONOBJECTS_ANTHROPOLOGY_SCHEMA,
  78                     COMPUTED_CRATE_PROPERTY, crateRefName);
  79         } else {
  80             if (logger.isTraceEnabled()) {
  81                 logger.trace("crate refName does NOT require updating.");
  82             }
  83         }
  84
  85         return collectionObjectDocModel;
  86     }
  87 }