Metacat

      checkModifiedImmutableFields(currentSysmeta, sysmeta);

	/*

	 * Check if the newMeta modifies an immutable field. 

	 */

	private void checkModifiedImmutableFields(SystemMetadata orgMeta, SystemMetadata newMeta) throws InvalidRequest, InvalidSystemMetadata{

	    if(orgMeta != null && newMeta != null) {

	        if(newMeta.getIdentifier() == null) {

	            throw new InvalidSystemMetadata("The new version of the system metadata is invalid since the identifier is null","4956");

	        }

	        if(!orgMeta.getIdentifier().equals(newMeta.getIdentifier())) {

	            throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's identifier "+newMeta.getIdentifier().getValue()+" is "+

	                  "different to the orginal one "+orgMeta.getIdentifier().getValue(), "4869");

	        }

	        if(newMeta.getSize() == null) {

	            throw new InvalidSystemMetadata("The new version of the system metadata is invalid since the size is null","4956");

	        }

	        if(!orgMeta.getSize().equals(newMeta.getSize())) {

	            throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's size "+newMeta.getSize().longValue()+" is "+

	                      "different to the orginal one "+orgMeta.getSize().longValue(), "4869");

	        }

	        if(newMeta.getChecksum()!= null && orgMeta.getChecksum() != null && !orgMeta.getChecksum().getValue().equals(newMeta.getChecksum().getValue())) {

	            logMetacat.error("The request is trying to modify an immutable field in the SystemMeta: the new system meta's checksum "+newMeta.getChecksum().getValue()+" is "+

                        "different to the orginal one "+orgMeta.getChecksum().getValue());

	            throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's checksum "+newMeta.getChecksum().getValue()+" is "+

                        "different to the orginal one "+orgMeta.getChecksum().getValue(), "4869");

	        }

	        if(orgMeta.getSubmitter() != null && newMeta.getSubmitter() != null && !orgMeta.getSubmitter().equals(newMeta.getSubmitter())) {

	            throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's submitter "+newMeta.getSubmitter().getValue()+" is "+

                        "different to the orginal one "+orgMeta.getSubmitter().getValue(), "4869");

	        }

	        if(orgMeta.getDateUploaded() != null && newMeta.getDateUploaded() != null && !orgMeta.getDateUploaded().equals(newMeta.getDateUploaded())) {

	            throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's date of uploaded "+newMeta.getDateUploaded()+" is "+

                        "different to the orginal one "+orgMeta.getDateUploaded(), "4869");

	        }

	        if(orgMeta.getOriginMemberNode() != null && newMeta.getOriginMemberNode() != null && !orgMeta.getOriginMemberNode().equals(newMeta.getOriginMemberNode())) {

	            throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's orginal member node  "+newMeta.getOriginMemberNode().getValue()+" is "+

                        "different to the orginal one "+orgMeta.getOriginMemberNode().getValue(), "4869");

	        }

	        if(orgMeta.getSeriesId() != null && newMeta.getSeriesId() != null && !orgMeta.getSeriesId().equals(newMeta.getSeriesId())) {

                throw new InvalidRequest("The request is trying to modify an immutable field in the SystemMeta: the new system meta's series id  "+newMeta.getSeriesId().getValue()+" is "+

                        "different to the orginal one "+orgMeta.getSeriesId().getValue(), "4869");

            }

	    }

	}