001/*
002 *  Copyright 2010 Anyware Services
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 */
016package org.ametys.cms.transformation;
017
018import java.util.HashMap;
019import java.util.Map;
020
021import org.ametys.runtime.plugin.component.AbstractThreadSafeComponentExtensionPoint;
022
023/**
024 * Extension point for {@link URIResolver}s.
025 */
026public class URIResolverExtensionPoint extends AbstractThreadSafeComponentExtensionPoint<URIResolver>
027{
028    /** Avalon Role */
029    public static final String ROLE = URIResolverExtensionPoint.class.getName();
030
031    private Map<String, URIResolver> _types = new HashMap<>();
032    @Override
033    public void initializeExtensions() throws Exception
034    {
035        super.initializeExtensions();
036        
037        for (String id : getExtensionsIds())
038        {
039            URIResolver resolver = getExtension(id);
040            _types.put(resolver.getType(), resolver);
041        }
042    }
043    
044    /**
045     * Returns the {@link URIResolver} corresponding to the given type.
046     * @param type the type.
047     * @return the {@link URIResolver} or <code>null</code> if not found.
048     */
049    public URIResolver getResolverForType(String type)
050    {
051        return _types.get(type);
052    }
053}