/** * Gets the where clause to resolve the current part of the path expression. * * @param objectId The id of the resource (without version information!) for that the current part * shall be resolved. * @param tsu The {@link TripleStoreUtility} to use. * @return Returns the where clause. * @throws TripleStoreSystemException e */ public StringBuffer getResolveCurrentWhereClause( final String objectId, final TripleStoreUtility tsu) throws TripleStoreSystemException { // Currently three attributes exist, that needs 'inverse' lookup: // item:container and container:container and are stored as a // relationship from parent to child. Additionally, object // identifier need inverse lookup to get the correct dc identifier. // Therefore, these attributes have to be handled in a special // way. return isInverse() ? tsu.getRetrieveWhereClause( true, getCacheId(), objectId, null, getContentTypePredicateId(), getContentTypeTitle()) : tsu.getRetrieveWhereClause(false, getCacheId(), objectId, null, null, null); }
/** * resolve attribute assigned-on. check if tail is present and resolvable (dependent on variable * SUPPORTED_ASSIGNED_ON_OBJECT_ATTRIBUTES). if tail is not resolvable, mark whole attribute as * unresolvable. * * @param ctx EvaluationContext * @param attributeIdValue whole attribute * @param resolvableAttribute resolvable part of attribute * @param tail tail after resolvable part * @return Object[] result * @throws de.escidoc.core.common.exceptions.system.WebserverSystemException * @throws de.escidoc.core.common.exceptions.application.notfound.GrantNotFoundException * @throws de.escidoc.core.common.exceptions.system.TripleStoreSystemException * @throws de.escidoc.core.common.exceptions.application.notfound.ResourceNotFoundException * @throws de.escidoc.core.common.exceptions.system.SystemException */ private Object[] resolveAssignedOnAttribute( final EvaluationCtx ctx, final String attributeIdValue, final String resolvableAttribute, final String tail) throws TripleStoreSystemException, SystemException, GrantNotFoundException, ResourceNotFoundException, WebserverSystemException { EvaluationResult result; final String userOrGroupId = FinderModuleHelper.retrieveSingleResourceAttribute(ctx, Constants.URI_RESOURCE_ID, true); final String grantId = FinderModuleHelper.retrieveSingleResourceAttribute(ctx, Constants.URI_SUBRESOURCE_ID, true); String assignedOnObjectId; if (grantId == null || grantId.length() == 0) { // if no grantId is present // fetch grant-attribute from invocation-mapping try { assignedOnObjectId = fetchSingleResourceAttribute(ctx, resolvableAttribute + "-new"); } catch (final Exception e) { // not assigned to an object // so mark complete attribute as unresolvable result = CustomEvaluationResultBuilder.createSingleStringValueResult( de.escidoc.core.common.business.Constants.UNRESOLVED_ATTRIBUTE_VALUE); return new Object[] {result, attributeIdValue}; } } else { final RoleGrant grant = resolvableAttribute.matches(".*" + XmlUtility.NAME_USER_ACCOUNT + ".*") ? getUserAccountGrant(ctx, userOrGroupId, grantId) : getUserGroupGrant(ctx, grantId); assertGrant(grantId, grant); assignedOnObjectId = grant.getObjectId(); } if (assignedOnObjectId == null) { // not assigned on an object // so mark complete attribute as unresolvable result = CustomEvaluationResultBuilder.createSingleStringValueResult( de.escidoc.core.common.business.Constants.UNRESOLVED_ATTRIBUTE_VALUE); return new Object[] {result, attributeIdValue}; } // check if tailing attribute is resolvable for assigned object-type if (tail != null) { final String objectType = fetchObjectType(ctx, assignedOnObjectId); if (objectType.equals(XmlUtility.NAME_COMPONENT) && tail.equals(XmlUtility.NAME_CONTEXT)) { // if we have to resolve the context of a component, // we first have to get the itemId and resolve context for // the itemId final List<String> itemIds = FinderModuleHelper.retrieveFromTripleStore( true, tsu.getRetrieveWhereClause( true, TripleStoreUtility.PROP_COMPONENT, assignedOnObjectId, null, null, null), assignedOnObjectId, TripleStoreUtility.PROP_COMPONENT, this.tsu); if (itemIds == null || itemIds.isEmpty() || itemIds.size() != 1) { result = CustomEvaluationResultBuilder.createResourceNotFoundResult( new ItemNotFoundException( "item for component " + assignedOnObjectId + " not found")); } else { assignedOnObjectId = itemIds.get(0); } } } result = CustomEvaluationResultBuilder.createSingleStringValueResult(assignedOnObjectId); return new Object[] {result, resolvableAttribute}; }