001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
013     */
014    
015    package com.liferay.portal.atom;
016    
017    import com.liferay.portal.kernel.atom.AtomCollectionAdapter;
018    import com.liferay.portal.kernel.atom.AtomCollectionAdapterRegistry;
019    import com.liferay.portal.kernel.atom.AtomException;
020    import com.liferay.portal.kernel.util.ListUtil;
021    
022    import java.util.List;
023    import java.util.Map;
024    import java.util.concurrent.ConcurrentHashMap;
025    
026    /**
027     * @author Igor Spasic
028     */
029    public class AtomCollectionAdapterRegistryImpl
030            implements AtomCollectionAdapterRegistry {
031    
032            public AtomCollectionAdapter<?> getAtomCollectionAdapter(
033                    String collectionName) {
034    
035                    return _atomCollectionAdapters.get(collectionName);
036            }
037    
038            public List<AtomCollectionAdapter<?>> getAtomCollectionAdapters() {
039                    return ListUtil.fromMapValues(_atomCollectionAdapters);
040            }
041    
042            public void register(AtomCollectionAdapter<?> atomCollectionAdapter)
043                    throws AtomException {
044    
045                    if (_atomCollectionAdapters.containsKey(
046                                    atomCollectionAdapter.getCollectionName())) {
047    
048                            throw new AtomException(
049                                    "Duplicate collection name " +
050                                            atomCollectionAdapter.getCollectionName());
051                    }
052    
053                    _atomCollectionAdapters.put(
054                            atomCollectionAdapter.getCollectionName(), atomCollectionAdapter);
055            }
056    
057            public void unregister(AtomCollectionAdapter<?> atomCollectionAdapter) {
058                    _atomCollectionAdapters.remove(
059                            atomCollectionAdapter.getCollectionName());
060            }
061    
062            private Map<String, AtomCollectionAdapter<?>> _atomCollectionAdapters =
063                    new ConcurrentHashMap<String, AtomCollectionAdapter<?>>();
064    
065    }