001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *
010     *        http://www.apache.org/licenses/LICENSE-2.0
011     *
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License.
018     */
019    
020    package org.apache.isis.core.progmodel.facets.collections.collection;
021    
022    import org.apache.commons.collections.Transformer;
023    import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
024    import org.apache.isis.core.metamodel.adapter.map.AdapterMap;
025    
026    /**
027     * Uses the Commons Collection API to transform {@link Object}s into {@link ObjectAdapter} adapters.
028     * 
029     */
030    public final class ObjectToAdapterTransformer implements Transformer {
031    
032        private final AdapterMap adapterMap;
033    
034        public ObjectToAdapterTransformer(final AdapterMap adapterManager) {
035            this.adapterMap = adapterManager;
036        }
037    
038        @Override
039        public Object transform(final Object object) {
040            return getAdapterMap().adapterFor(object);
041        }
042    
043        // //////////////////////////////////////////////////////////////////
044        // Dependencies (from constructor)
045        // //////////////////////////////////////////////////////////////////
046    
047        public AdapterMap getAdapterMap() {
048            return adapterMap;
049        }
050    
051    }