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.jetty6;
018
019 import java.util.Map;
020
021 import org.apache.geronimo.gbean.GBeanInfo;
022 import org.apache.geronimo.gbean.GBeanInfoBuilder;
023 import org.apache.geronimo.gbean.GBeanLifecycle;
024 import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
025 import org.mortbay.jetty.servlet.FilterHolder;
026
027 /**
028 * @version $Rev: 522036 $ $Date: 2007-03-24 10:38:03 -0400 (Sat, 24 Mar 2007) $
029 */
030 public class JettyFilterHolder implements GBeanLifecycle {
031
032 private final FilterHolder filterHolder;
033
034 //todo consider an interface instead of this constructor for endpoint use.
035 public JettyFilterHolder() {
036 filterHolder = null;
037 }
038
039 public JettyFilterHolder(String filterName, String filterClass, Map initParams, JettyServletRegistration jettyServletRegistration) throws Exception {
040 filterHolder = new InternalFilterHolder(jettyServletRegistration);
041 if (jettyServletRegistration != null) {
042 filterHolder.setName(filterName);
043 filterHolder.setClassName(filterClass);
044 filterHolder.setInitParameters(initParams);
045 (jettyServletRegistration.getServletHandler()).addFilter(filterHolder);
046 }
047 }
048
049 public String getFilterName() {
050 return filterHolder.getName();
051 }
052
053 public void doStart() throws Exception {
054 filterHolder.start();
055 }
056
057 public void doStop() throws Exception {
058 filterHolder.stop();
059 }
060
061 public void doFail() {
062 try {
063 filterHolder.stop();
064 } catch (Exception e) {
065 //ignore?
066 }
067 }
068
069 private static class InternalFilterHolder extends FilterHolder {
070 private final JettyServletRegistration servletRegistration;
071 private boolean destroyed;
072
073 public InternalFilterHolder(JettyServletRegistration servletRegistration) {
074 this.servletRegistration = servletRegistration;
075 }
076
077
078 public synchronized Object newInstance() throws InstantiationException, IllegalAccessException {
079 return servletRegistration.newInstance(_className);
080 }
081
082 public void destroyInstance(Object o) throws Exception {
083 if (!destroyed) {
084 super.destroyInstance(o);
085 servletRegistration.destroyInstance(o);
086 destroyed = true;
087 }
088 }
089
090 }
091
092 public static final GBeanInfo GBEAN_INFO;
093
094 static {
095 GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(JettyFilterHolder.class, NameFactory.WEB_FILTER);
096 infoBuilder.addAttribute("filterName", String.class, true);
097 infoBuilder.addAttribute("filterClass", String.class, true);
098 infoBuilder.addAttribute("initParams", Map.class, true);
099
100 infoBuilder.addReference("JettyServletRegistration", JettyServletRegistration.class, NameFactory.WEB_MODULE);
101
102 infoBuilder.setConstructor(new String[]{"filterName", "filterClass", "initParams", "JettyServletRegistration"});
103
104 GBEAN_INFO = infoBuilder.getBeanInfo();
105
106 }
107
108 public static GBeanInfo getGBeanInfo() {
109 return GBEAN_INFO;
110 }
111
112 }