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
021 package org.apache.geronimo.jasper;
022
023 import java.lang.reflect.InvocationTargetException;
024 import java.util.Map;
025
026 import javax.naming.Context;
027 import javax.naming.NamingException;
028
029 import org.apache.geronimo.gbean.GBeanInfo;
030 import org.apache.geronimo.gbean.GBeanInfoBuilder;
031 import org.apache.geronimo.j2ee.RuntimeCustomizer;
032 import org.apache.geronimo.j2ee.annotation.Holder;
033 import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
034 import org.apache.InstanceManager;
035
036 /**
037 * @version $Rev: 543827 $ $Date: 2007-06-02 22:05:28 -0400 (Sat, 02 Jun 2007) $
038 */
039 public class JasperServletContextCustomizer implements RuntimeCustomizer {
040 private final Holder holder;
041
042 static {
043 try {
044 Class clazz = Class.forName("org.apache.geronimo.jdbc.DataSourceDriver");
045 clazz.newInstance();
046 } catch (Throwable e) {
047 //how can we notify?
048 }
049 }
050
051 public JasperServletContextCustomizer(Holder holder) {
052 this.holder = holder;
053 }
054
055 public void customize(Map<Class, Object> context) {
056 Map<String, Object> servletContext = (Map<String, Object>) context.get(Map.class);
057 Context jndiContext = (Context) context.get(Context.class);
058 servletContext.put(InstanceManager.class.getName(), new JasperInstanceManager(holder, jndiContext));
059 }
060
061
062 public static class JasperInstanceManager implements InstanceManager {
063 private final Holder holder;
064 private final Context context;
065
066 public JasperInstanceManager(Holder holder, Context context) {
067 this.holder = holder;
068 this.context = context;
069 }
070
071 public Object newInstance(String fqcn, ClassLoader classLoader) throws IllegalAccessException, InvocationTargetException, NamingException, InstantiationException, ClassNotFoundException {
072 return holder.newInstance(fqcn, classLoader, context);
073 }
074
075 public void destroyInstance(Object o) throws IllegalAccessException, InvocationTargetException {
076 try {
077 holder.destroyInstance(o);
078 } catch (Exception e) {
079 throw new InvocationTargetException(e, "Attempted to destroy instance");
080 }
081 }
082
083 public void newInstance(Object o) throws IllegalAccessException, InvocationTargetException, NamingException {
084 throw new UnsupportedOperationException("separate instantiation and injection is not supported");
085 }
086
087 public Object newInstance(String fqcn) throws IllegalAccessException, InvocationTargetException, NamingException,
088 InstantiationException, ClassNotFoundException {
089 throw new UnsupportedOperationException("separate instantiation and injection is not supported");
090 }
091 }
092
093 public static final GBeanInfo GBEAN_INFO;
094
095 static {
096 GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(JasperServletContextCustomizer.class, NameFactory.GERONIMO_SERVICE);
097 infoBuilder.addAttribute("holder", Holder.class, true, true);
098 infoBuilder.setConstructor(new String[] {"holder"});
099
100 GBEAN_INFO = infoBuilder.getBeanInfo();
101 }
102
103 public static GBeanInfo getGBeanInfo() {
104 return GBEAN_INFO;
105 }
106 }