| /* |
| * 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 javax.naming.NamingException; |
| import javax.naming.directory.Attributes; |
| import javax.naming.ldap.LdapContext; |
| |
| 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.sdo.EDataObject; |
| |
| public class EDataObjectReader |
| implements DASConstants |
| { |
| /** |
| * Read. |
| * |
| * @param eClass the e class |
| * @param id the id |
| * @param containerContext the container context |
| * |
| * @return the e data object |
| * |
| * @throws NamingException the naming exception |
| * |
| * Note that this is more of a utility, as only this class's |
| * helper is used in restoring the EDataGraph. |
| */ |
| public static EDataObject read( |
| EClass eClass, |
| String id, |
| LdapContext containerContext) |
| throws NamingException |
| { |
| String namespaceURI = |
| eClass.getEPackage(). |
| getNsURI(); |
| |
| EAttribute idEAttribute = |
| eClass.getEIDAttribute(); |
| |
| String qualifiedIDEAttributeName = |
| SimpleTypeNamespaceQualifier. |
| qualify( |
| namespaceURI, |
| eClass.getName(), |
| idEAttribute.getName() ); |
| |
| String normalizedIDEAttributeName = |
| QualifiedNameNormalizer. |
| normalize(qualifiedIDEAttributeName); |
| |
| String eDataObjectRDN = |
| normalizedIDEAttributeName + "=" + id; |
| |
| LdapContext eDataObjectContext = |
| (LdapContext) |
| containerContext. |
| lookup(eDataObjectRDN); |
| |
| Attributes attributes = |
| eDataObjectContext.getAttributes(""); |
| |
| EDataObject eDataObject = |
| (EDataObject) |
| eClass.getEPackage(). |
| getEFactoryInstance(). |
| create(eClass); |
| |
| EDataObjectReaderHelper. |
| restoreEAttributes( |
| eClass, |
| eDataObject, |
| namespaceURI, |
| attributes ); |
| |
| return eDataObject; |
| } |
| } |