| /* |
| * 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.read; |
| |
| import java.util.Hashtable; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.naming.NamingException; |
| import javax.naming.directory.Attributes; |
| import javax.naming.ldap.LdapContext; |
| |
| import org.apache.directory.shared.ldap.exception.LdapNameNotFoundException; |
| import org.apache.tuscany.das.ldap.constants.DASConstants; |
| import org.apache.tuscany.das.ldap.util.QualifiedNameNormalizer; |
| import org.apache.tuscany.das.ldap.util.SimpleTypeNamespaceQualifier; |
| import org.eclipse.emf.ecore.EAttribute; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EReference; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.ecore.sdo.EDataGraph; |
| import org.eclipse.emf.ecore.sdo.EDataObject; |
| import org.eclipse.emf.ecore.sdo.SDOFactory; |
| |
| public class EDataGraphReader |
| implements DASConstants |
| { |
| public static EDataGraph read( |
| EClass rootDataObjectEClass, |
| String id, |
| LdapContext rootContext, |
| Map<EDataObject, String> dataObjectToRelativeDNCache) |
| throws NamingException, LdapNameNotFoundException |
| { |
| EDataGraph eDataGraph = |
| SDOFactory.eINSTANCE.createEDataGraph(); |
| |
| String namespaceURI = |
| rootDataObjectEClass.getEPackage(). |
| getNsURI(); |
| |
| EAttribute idEAttribute = |
| rootDataObjectEClass.getEIDAttribute(); |
| |
| String qualifiedIDEAttributeName = |
| SimpleTypeNamespaceQualifier. |
| qualify( |
| namespaceURI, |
| rootDataObjectEClass.getName(), |
| idEAttribute.getName() ); |
| |
| String normalizedIDEAttributeName = |
| QualifiedNameNormalizer. |
| normalize(qualifiedIDEAttributeName); |
| |
| String eDataObjectRDN = |
| normalizedIDEAttributeName + "=" + id; |
| |
| LdapContext eDataObjectContext = |
| (LdapContext) |
| rootContext. |
| lookup(eDataObjectRDN); |
| |
| Attributes attributes = |
| rootContext. |
| getAttributes(eDataObjectRDN); |
| |
| Map<EDataObject, Map<EStructuralFeature, List<String>>> crossReferenceIDCache = |
| new Hashtable<EDataObject, Map<EStructuralFeature, List<String>>>(); |
| |
| EDataObject rootDataObject = |
| EDataGraphReaderHelper. |
| restoreEDataObject( |
| crossReferenceIDCache, |
| rootDataObjectEClass, |
| namespaceURI, |
| attributes); |
| |
| String relativeDN = |
| EDataGraphReaderHelper.calculateRelativeDN( |
| rootContext, |
| eDataObjectContext); |
| |
| dataObjectToRelativeDNCache. |
| put(rootDataObject, relativeDN); |
| |
| List<EReference> eReferences = |
| rootDataObjectEClass.getEAllContainments(); |
| |
| if (rootDataObjectEClass.getEAllContainments().size() > 0) |
| { |
| EDataGraphReaderHelper. |
| addContainmentDataObjects( |
| crossReferenceIDCache, |
| dataObjectToRelativeDNCache, |
| rootDataObject, |
| attributes, |
| namespaceURI, |
| eDataObjectContext, |
| rootContext); |
| } |
| |
| eDataGraph.setERootObject(rootDataObject); |
| |
| Resource resource = eDataGraph.getRootResource(); |
| |
| EDataGraphReaderHelper.restoreCrossReferences( |
| crossReferenceIDCache, |
| resource); |
| |
| return eDataGraph; |
| } |
| } |