Package org.dspace.app.rest.repository.patch.operation

Class DSpaceObjectMetadataPatchUtils

java.lang.Object
org.dspace.app.rest.repository.patch.operation.DSpaceObjectMetadataPatchUtils
@Component public final class DSpaceObjectMetadataPatchUtils extends Object
Util class for shared methods between the Metadata Operations
Author:
Maria Verdonck (Atmire) on 18/11/2019

  • Field Details

    • OPERATION_METADATA_PATH

      public static final String OPERATION_METADATA_PATH
      Path in json body of patch that uses these metadata operations
      See Also:

  • Method Details

    • extractMetadataValueFromOperation

      protected MetadataValueRest extractMetadataValueFromOperation(Operation operation)
      Extract metadataValue from Operation by parsing the json and mapping it to a MetadataValueRest
      Parameters:
      operation - Operation whose value is begin parsed
      Returns:
      MetadataValueRest extracted from json in operation value

    • extractMdFieldStringFromOperation

      protected String extractMdFieldStringFromOperation(Operation operation)
      Extracts the mdField String (schema.element.qualifier) from the operation and returns it
      Parameters:
      operation - The patch operation
      Returns:
      The mdField (schema.element.qualifier) patch is being performed on

    • convertMdValueToRest

      protected MetadataValueRest convertMdValueToRest(MetadataValue md)
      Converts a metadataValue (database entity) to a REST equivalent of it
      Parameters:
      md - Original metadataValue
      Returns:
      The REST equivalent

    • extractPropertyOfMdFromPath

      protected String extractPropertyOfMdFromPath(String[] partsOfPath)
      Extracts which property of the metadata is being changed in the replace patch operation
      Parameters:
      partsOfPath - Parts of the path of the operation, separated with /
      Returns:
      The property that is begin replaced of the metadata

    • extractNewValueOfMd

      protected String extractNewValueOfMd(Operation operation)
      Extracts the new value of the metadata from the operation for the replace patch operation
      Parameters:
      operation - The patch operation
      Returns:
      The new value of the metadata being replaced in the patch operation

    • getMetadataField

      protected MetadataField getMetadataField(Context context, Operation operation) throws SQLException
      Retrieves metadataField based on the metadata element found in the operation
      Parameters:
      context - Context the retrieve metadataField from service with string
      operation - Operation of the patch
      Returns:
      The metadataField corresponding to the md element string of the operation
      Throws:
      SQLException

    • getIndexFromPath

      protected String getIndexFromPath(String path)
      Retrieved the index from the path of the patch operation, if one can be found
      Parameters:
      path - The string from the operation
      Returns:
      The index in the path if there is one (path ex: /metadata/dc.title/1 (1 being the index))

    • checkMetadataFieldNotNull

      protected void checkMetadataFieldNotNull(MetadataField metadataField)