001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    package org.apache.geronimo.naming.reference;
018    
019    import java.util.Set;
020    
021    import javax.naming.NameNotFoundException;
022    
023    import org.apache.geronimo.kernel.repository.Artifact;
024    import org.apache.geronimo.kernel.GBeanNotFoundException;
025    import org.apache.geronimo.gbean.AbstractNameQuery;
026    import org.apache.geronimo.gbean.AbstractName;
027    
028    /**
029     * @version $Rev: 534748 $ $Date: 2007-05-03 04:07:09 -0400 (Thu, 03 May 2007) $
030     */
031    public class GBeanReference extends ConfigurationAwareReference {
032        private final Class type;
033    
034        public GBeanReference(Artifact[] configId, Set abstractNameQueries, Class type) {
035            super(configId, abstractNameQueries);
036            this.type = type;
037        }
038    
039        public String getClassName() {
040            return type.getName();
041        }
042    
043        public Object getContent() throws IllegalStateException, NameNotFoundException {
044            AbstractName target;
045            try {
046                target = resolveTargetName();
047            } catch (GBeanNotFoundException e) {
048                throw (NameNotFoundException)new NameNotFoundException("Could not resolve gbean from name query: " + abstractNameQueries).initCause(e);
049            }
050            try {
051                return getKernel().getGBean(target);
052            } catch (GBeanNotFoundException e) {
053                IllegalStateException illegalStateException = new IllegalStateException();
054                illegalStateException.initCause(e);
055                throw illegalStateException;
056            }
057        }
058    }