001/* 002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Anahide Tchertchian 016 */ 017package org.nuxeo.ecm.directory.registry; 018 019import java.util.ArrayList; 020import java.util.HashMap; 021import java.util.List; 022import java.util.Map; 023 024import org.nuxeo.runtime.model.ContributionFragmentRegistry; 025 026/** 027 * Tracks what factory should be used depending on the directory registration. 028 * 029 * @since 5.6 030 */ 031public class DirectoryFactoryMapperRegistry extends ContributionFragmentRegistry<DirectoryFactoryMapper> { 032 033 protected Map<String, List<String>> factoriesByDir = new HashMap<String, List<String>>(); 034 035 @Override 036 public String getContributionId(DirectoryFactoryMapper contrib) { 037 return contrib.getDirectoryName(); 038 } 039 040 @Override 041 public void contributionUpdated(String id, DirectoryFactoryMapper contrib, DirectoryFactoryMapper newOrigContrib) { 042 factoriesByDir.put(id, contrib.getFactories()); 043 } 044 045 @Override 046 public void contributionRemoved(String id, DirectoryFactoryMapper origContrib) { 047 List<String> factories = factoriesByDir.get(id); 048 if (factories != null) { 049 List<String> toRemove = origContrib.getFactories(); 050 if (toRemove != null) { 051 factories.removeAll(toRemove); 052 } 053 } 054 } 055 056 @Override 057 public DirectoryFactoryMapper clone(DirectoryFactoryMapper orig) { 058 return orig.clone(); 059 } 060 061 @Override 062 public void merge(DirectoryFactoryMapper src, DirectoryFactoryMapper dst) { 063 // new factories given by src should be added on dst, taking precedence 064 // over previous available factories 065 List<String> oldFacts = dst.getFactories(); 066 List<String> updatedFacts = new ArrayList<String>(); 067 if (oldFacts != null) { 068 updatedFacts.addAll(oldFacts); 069 } 070 List<String> newFacts = src.getFactories(); 071 if (newFacts != null) { 072 for (String newFact : newFacts) { 073 // remove if already there 074 updatedFacts.remove(newFact); 075 // add at the beginning 076 updatedFacts.add(0, newFact); 077 } 078 } 079 dst.setFactories(updatedFacts); 080 } 081 082 // API 083 084 public List<String> getFactoriesForDirectory(String name) { 085 return factoriesByDir.get(name); 086 } 087 088}