| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.tuscany.das.ldap.emf.update; |
| |
| import java.util.Map; |
| |
| import javax.naming.NamingException; |
| import javax.naming.directory.Attribute; |
| import javax.naming.directory.BasicAttribute; |
| import javax.naming.directory.DirContext; |
| import javax.naming.directory.ModificationItem; |
| import javax.naming.ldap.LdapContext; |
| |
| import org.apache.tuscany.das.ldap.emf.create.EDataGraphCreatorHelper; |
| import org.apache.tuscany.das.ldap.emf.create.EDataObjectCreatorHelper; |
| import org.apache.tuscany.das.ldap.util.QualifiedNameNormalizer; |
| import org.apache.tuscany.das.ldap.util.SimpleTypeNamespaceQualifier; |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.common.util.EMap; |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecore.change.FeatureChange; |
| import org.eclipse.emf.ecore.sdo.EChangeSummary; |
| import org.eclipse.emf.ecore.sdo.EDataObject; |
| |
| |
| public class EDataGraphUpdaterHelper |
| { |
| public static void processDestroyedDataObjects( |
| EChangeSummary eChangeSummary, |
| LdapContext containerContext, |
| Map<EDataObject, String> dataObjectToRelativeDNCache) |
| throws NamingException |
| { |
| EList<EObject> destroyedObjects = |
| eChangeSummary. |
| getObjectsToAttach(); |
| |
| for (EObject destroyedObject : destroyedObjects) |
| { |
| String destroyedObjectRelativeDN = dataObjectToRelativeDNCache.get(destroyedObject); |
| containerContext.destroySubcontext(destroyedObjectRelativeDN); |
| dataObjectToRelativeDNCache.remove(destroyedObject); |
| } |
| } |
| |
| public static void processCreatedDataObjects( |
| EChangeSummary eChangeSummary, |
| LdapContext rootContext, |
| Map<EDataObject, String> dataObjectToRelativeDNCache ) |
| throws NamingException |
| { |
| EList<EObject> createdObjects = |
| eChangeSummary. |
| getObjectsToDetach(); |
| |
| EDataGraphCreatorHelper.createChildren( |
| createdObjects, |
| rootContext, |
| dataObjectToRelativeDNCache); |
| } |
| |
| public static void processChangedDataObjects( |
| EChangeSummary eChangeSummary, |
| LdapContext containerContext, |
| Map<EDataObject, String> dataObjectToRelativeDNCache ) |
| throws NamingException |
| { |
| EMap<EObject, EList<FeatureChange>> objectChanges = |
| eChangeSummary.getObjectChanges(); |
| |
| for (EObject changedDataObject : objectChanges.keySet()) |
| { |
| EList<FeatureChange> featureChanges = |
| objectChanges.get(changedDataObject); |
| |
| ModificationItem[] modificationItems = |
| new ModificationItem[featureChanges.size()]; |
| |
| EClass changedDataObjectEClass = |
| changedDataObject.eClass(); |
| |
| String namespaceURI = |
| changedDataObjectEClass. |
| getEPackage(). |
| getNsURI(); |
| |
| for (int i = 0; i < featureChanges.size(); i++) |
| { |
| FeatureChange featureChange = |
| featureChanges.get(i); |
| |
| EStructuralFeature eStructuralFeature = |
| featureChange.getFeature(); |
| |
| if (eStructuralFeature instanceof EAttribute) |
| { |
| //TODO Note that we are not checking multiplicity many on EAttributes |
| String qualifiedEAttributeName = |
| SimpleTypeNamespaceQualifier. |
| qualify( |
| namespaceURI, |
| changedDataObjectEClass.getName(), |
| eStructuralFeature.getName() ); |
| |
| String normalizedEAttributeName = |
| QualifiedNameNormalizer. |
| normalize(qualifiedEAttributeName); |
| |
| //TODO PUt processEAttribute in a more generic class |
| Attribute attribute = |
| EDataObjectCreatorHelper.processEAttribute( |
| (EAttribute)eStructuralFeature, |
| namespaceURI, |
| changedDataObjectEClass, |
| (EDataObject) changedDataObject); |
| |
| modificationItems[i] = |
| new ModificationItem( |
| DirContext.REPLACE_ATTRIBUTE, |
| attribute); |
| } |
| else |
| { |
| String qualifiedEReferenceName = |
| SimpleTypeNamespaceQualifier. |
| qualify( |
| namespaceURI, |
| changedDataObjectEClass.getName(), |
| eStructuralFeature.getName() ); |
| |
| String normalizedEReferenceName = |
| QualifiedNameNormalizer. |
| normalize(qualifiedEReferenceName); |
| |
| Attribute attribute = |
| new BasicAttribute(normalizedEReferenceName); |
| |
| if (eStructuralFeature.isMany()) |
| { |
| EList<EDataObject> referenceList = |
| (EList<EDataObject>) changedDataObject.eGet(eStructuralFeature); |
| |
| if (referenceList.size() > 0 && referenceList!=null) |
| { |
| for (EDataObject eDataObject : referenceList) |
| { |
| attribute.add( |
| eDataObject. |
| eGet( |
| eDataObject. |
| eClass(). |
| getEIDAttribute())); |
| |
| modificationItems[i] = |
| new ModificationItem( |
| DirContext.REPLACE_ATTRIBUTE, |
| attribute); |
| } |
| } |
| else |
| { |
| modificationItems[i] = |
| new ModificationItem( |
| DirContext.REMOVE_ATTRIBUTE, |
| attribute); |
| } |
| } |
| else |
| { |
| EDataObject eDataObject = |
| (EDataObject) |
| changedDataObject. |
| eGet(eStructuralFeature); |
| |
| if (eDataObject != null) |
| { |
| attribute.add( |
| eDataObject. |
| eGet( |
| eDataObject. |
| eClass(). |
| getEIDAttribute())); |
| |
| modificationItems[i] = |
| new ModificationItem( |
| DirContext.REPLACE_ATTRIBUTE, |
| attribute); |
| } |
| else |
| { |
| modificationItems[i] = |
| new ModificationItem( |
| DirContext.REMOVE_ATTRIBUTE, |
| attribute); |
| } |
| } |
| } |
| } |
| String relativeDN = |
| dataObjectToRelativeDNCache. |
| get(changedDataObject); |
| |
| containerContext.modifyAttributes( |
| relativeDN, |
| modificationItems); |
| } |
| } |
| } |