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, Cloneable { 033 034 protected String sourceDirectoryName; 035 036 protected Directory sourceDirectory; 037 038 protected String targetDirectoryName; 039 040 protected Directory targetDirectory; 041 042 protected String fieldName; 043 044 @Override 045 public String getFieldName() { 046 return fieldName; 047 } 048 049 @Override 050 public Directory getSourceDirectory() throws DirectoryException { 051 if (sourceDirectory == null) { 052 sourceDirectory = Framework.getService(DirectoryService.class).getDirectory(sourceDirectoryName); 053 } 054 return sourceDirectory; 055 } 056 057 @Override 058 public void setSourceDirectoryName(String sourceDirectoryName) { 059 sourceDirectory = null; 060 this.sourceDirectoryName = sourceDirectoryName; 061 } 062 063 @Override 064 public Directory getTargetDirectory() throws DirectoryException { 065 if (targetDirectory == null) { 066 targetDirectory = Framework.getService(DirectoryService.class).getDirectory(targetDirectoryName); 067 } 068 return targetDirectory; 069 } 070 071 @Override 072 public void setTargetDirectoryName(String targetDirectoryName) { 073 targetDirectory = null; 074 this.targetDirectoryName = targetDirectoryName; 075 } 076 077 /** 078 * @since 5.6 079 */ 080 @Override 081 public AbstractReference clone() { 082 AbstractReference clone; 083 try { 084 clone = (AbstractReference) super.clone(); 085 } catch (CloneNotSupportedException e) { 086 throw new AssertionError(e); 087 } 088 // basic fields are already copied by super.clone() 089 return clone; 090 } 091 092}