| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.openejb.core.ivm.naming; |
| |
| import org.apache.openejb.loader.SystemInstance; |
| |
| import javax.naming.NamingException; |
| import javax.naming.NameNotFoundException; |
| |
| /** |
| * @version $Rev: 1153797 $ $Date: 2011-08-04 12:09:44 +0300 (Thu, 04 Aug 2011) $ |
| */ |
| public class SystemComponentReference extends Reference { |
| private final Class<? extends Object> type; |
| |
| public SystemComponentReference(Class<? extends Object> type) { |
| if (type == null) throw new NullPointerException("type is null"); |
| this.type = type; |
| } |
| |
| public Object getObject() throws NamingException { |
| Object component = SystemInstance.get().getComponent(type); |
| if (component == null) { |
| throw new NameNotFoundException("No " + type.getSimpleName() + " registered with the OpenEJB system"); |
| } |
| return component; |
| } |
| } |