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.webapp.directory;
018
019import java.util.ArrayList;
020import java.util.Collections;
021import java.util.HashMap;
022import java.util.List;
023import java.util.Map;
024
025import org.apache.commons.logging.Log;
026import org.apache.commons.logging.LogFactory;
027import org.nuxeo.runtime.model.ContributionFragmentRegistry;
028
029/**
030 * Registry for directory tree descriptors
031 *
032 * @since 5.6
033 */
034public class DirectoryTreeRegistry extends ContributionFragmentRegistry<DirectoryTreeDescriptor> {
035
036    private static final Log log = LogFactory.getLog(DirectoryTreeRegistry.class);
037
038    protected Map<String, DirectoryTreeDescriptor> registry = new HashMap<String, DirectoryTreeDescriptor>();
039
040    @Override
041    public String getContributionId(DirectoryTreeDescriptor contrib) {
042        return contrib.getName();
043    }
044
045    @Override
046    public void contributionUpdated(String id, DirectoryTreeDescriptor contrib, DirectoryTreeDescriptor newOrigContrib) {
047        if (registry.containsKey(contrib.getName())) {
048            DirectoryTreeDescriptor existing_descriptor = registry.get(contrib.getName());
049            existing_descriptor.merge(contrib);
050            log.debug("merged DirectoryTreeDescriptor: " + contrib.getName());
051        } else {
052            registry.put(contrib.getName(), contrib);
053            log.debug("registered DirectoryTreeDescriptor: " + contrib.getName());
054        }
055    }
056
057    @Override
058    public void contributionRemoved(String id, DirectoryTreeDescriptor contrib) {
059        registry.remove(contrib.getName());
060        log.debug("unregistered DirectoryTreeDescriptor: " + contrib.getName());
061    }
062
063    @Override
064    public DirectoryTreeDescriptor clone(DirectoryTreeDescriptor orig) {
065        return orig.clone();
066    }
067
068    @Override
069    public void merge(DirectoryTreeDescriptor src, DirectoryTreeDescriptor dst) {
070        dst.merge(src);
071    }
072
073    // API
074
075    public List<String> getDirectoryTrees() {
076        List<String> directoryTrees = new ArrayList<String>();
077        for (DirectoryTreeDescriptor desc : registry.values()) {
078            if (Boolean.TRUE.equals(desc.getEnabled())) {
079                directoryTrees.add(desc.getName());
080            }
081        }
082        Collections.sort(directoryTrees);
083        return directoryTrees;
084    }
085
086    public DirectoryTreeDescriptor getDirectoryTreeDescriptor(String treeName) {
087        DirectoryTreeDescriptor desc = registry.get(treeName);
088        if (desc != null && Boolean.TRUE.equals(desc.getEnabled())) {
089            return desc;
090        } else {
091            return null;
092        }
093    }
094
095    /**
096     * Returns only the enabled Directory Trees marked as being also Navigation Trees.
097     */
098    public List<String> getNavigationDirectoryTrees() {
099        List<String> directoryTrees = new ArrayList<String>();
100        for (DirectoryTreeDescriptor desc : registry.values()) {
101            if (Boolean.TRUE.equals(desc.getEnabled()) && desc.isNavigationTree()) {
102                directoryTrees.add(desc.getName());
103            }
104        }
105        Collections.sort(directoryTrees);
106        return directoryTrees;
107    }
108
109}