001/* 002 * (C) Copyright 2012 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 * Anahide Tchertchian 018 */ 019package org.nuxeo.ecm.directory.registry; 020 021import java.util.ArrayList; 022import java.util.HashMap; 023import java.util.List; 024import java.util.Map; 025 026import org.nuxeo.runtime.model.ContributionFragmentRegistry; 027 028/** 029 * Tracks what factory should be used depending on the directory registration. 030 * 031 * @since 5.6 032 */ 033public class DirectoryFactoryMapperRegistry extends ContributionFragmentRegistry<DirectoryFactoryMapper> { 034 035 protected Map<String, List<String>> factoriesByDir = new HashMap<String, List<String>>(); 036 037 @Override 038 public String getContributionId(DirectoryFactoryMapper contrib) { 039 return contrib.getDirectoryName(); 040 } 041 042 @Override 043 public void contributionUpdated(String id, DirectoryFactoryMapper contrib, DirectoryFactoryMapper newOrigContrib) { 044 factoriesByDir.put(id, contrib.getFactories()); 045 } 046 047 @Override 048 public void contributionRemoved(String id, DirectoryFactoryMapper origContrib) { 049 List<String> factories = factoriesByDir.get(id); 050 if (factories != null) { 051 List<String> toRemove = origContrib.getFactories(); 052 if (toRemove != null) { 053 factories.removeAll(toRemove); 054 } 055 } 056 } 057 058 @Override 059 public DirectoryFactoryMapper clone(DirectoryFactoryMapper orig) { 060 return orig.clone(); 061 } 062 063 @Override 064 public void merge(DirectoryFactoryMapper src, DirectoryFactoryMapper dst) { 065 // new factories given by src should be added on dst, taking precedence 066 // over previous available factories 067 List<String> oldFacts = dst.getFactories(); 068 List<String> updatedFacts = new ArrayList<String>(); 069 if (oldFacts != null) { 070 updatedFacts.addAll(oldFacts); 071 } 072 List<String> newFacts = src.getFactories(); 073 if (newFacts != null) { 074 for (String newFact : newFacts) { 075 // remove if already there 076 updatedFacts.remove(newFact); 077 // add at the beginning 078 updatedFacts.add(0, newFact); 079 } 080 } 081 dst.setFactories(updatedFacts); 082 } 083 084 // API 085 086 public List<String> getFactoriesForDirectory(String name) { 087 return factoriesByDir.get(name); 088 } 089 090}