001/* 002 * (C) Copyright 2007 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.directory; 023 024import org.nuxeo.ecm.directory.api.DirectoryService; 025import org.nuxeo.runtime.api.Framework; 026 027/** 028 * Implementation of common Reference logic. 029 * 030 * @author ogrisel 031 */ 032public abstract class AbstractReference implements Reference { 033 034 protected DirectoryServiceImpl directoryService; 035 036 protected String sourceDirectoryName; 037 038 protected Directory sourceDirectory; 039 040 protected String targetDirectoryName; 041 042 protected Directory targetDirectory; 043 044 protected String fieldName; 045 046 public String getFieldName() { 047 return fieldName; 048 } 049 050 public Directory getSourceDirectory() throws DirectoryException { 051 if (sourceDirectory == null) { 052 sourceDirectory = getDirectoryService().getDirectory(sourceDirectoryName); 053 } 054 return sourceDirectory; 055 } 056 057 public void setSourceDirectoryName(String sourceDirectoryName) { 058 sourceDirectory = null; 059 this.sourceDirectoryName = sourceDirectoryName; 060 } 061 062 public Directory getTargetDirectory() throws DirectoryException { 063 if (targetDirectory == null) { 064 targetDirectory = getDirectoryService().getDirectory(targetDirectoryName); 065 } 066 return targetDirectory; 067 } 068 069 public void setTargetDirectoryName(String targetDirectoryName) { 070 targetDirectory = null; 071 this.targetDirectoryName = targetDirectoryName; 072 } 073 074 protected DirectoryServiceImpl getDirectoryService() { 075 if (directoryService == null) { 076 directoryService = (DirectoryServiceImpl) Framework.getRuntime().getComponent(DirectoryService.NAME); 077 } 078 return directoryService; 079 } 080 081 /** 082 * @since 5.6 083 */ 084 public AbstractReference clone() { 085 AbstractReference clone = newInstance(); 086 clone.sourceDirectoryName = sourceDirectoryName; 087 clone.targetDirectoryName = targetDirectoryName; 088 clone.fieldName = fieldName; 089 return clone; 090 } 091 092 /** 093 * Override to instantiate sub class, used in {@link #clone()} method 094 * 095 * @since 5.6 096 */ 097 protected abstract AbstractReference newInstance(); 098 099}