/**
* 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.geronimo.jetty7;
import java.util.Map;
import javax.servlet.Filter;
import org.apache.geronimo.connector.outbound.connectiontracking.ConnectorInstanceContext;
import org.apache.geronimo.connector.outbound.connectiontracking.SharedConnectorInstanceContext;
import org.apache.geronimo.gbean.GBeanInfo;
import org.apache.geronimo.gbean.GBeanInfoBuilder;
import org.apache.geronimo.gbean.GBeanLifecycle;
import org.apache.geronimo.gbean.annotation.GBean;
import org.apache.geronimo.gbean.annotation.ParamAttribute;
import org.apache.geronimo.gbean.annotation.ParamReference;
import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
import org.apache.geronimo.jetty7.handler.IntegrationContext;
import org.eclipse.jetty.servlet.FilterHolder;
/**
* @version $Rev: 1031437 $ $Date: 2010-11-05 13:23:04 +0800 (Fri, 05 Nov 2010) $
*/
@GBean(j2eeType = NameFactory.WEB_FILTER)
public class FilterHolderWrapper implements GBeanLifecycle {
private final FilterHolder filterHolder;
public FilterHolderWrapper(@ParamAttribute(name = "filterName") String filterName,
@ParamAttribute(name = "filterClass") String filterClass,
@ParamAttribute(name = "initParams") Map initParams,
@ParamReference(name = "JettyServletRegistration", namingType = NameFactory.WEB_MODULE) JettyServletRegistration jettyServletRegistration) throws Exception {
filterHolder = new InternalFilterHolder(jettyServletRegistration);
if (jettyServletRegistration != null) {
filterHolder.setName(filterName);
filterHolder.setClassName(filterClass);
filterHolder.setInitParameters(initParams);
(jettyServletRegistration.getServletHandler()).addFilter(filterHolder);
}
}
public String getFilterName() {
return filterHolder.getName();
}
public void doStart() throws Exception {
filterHolder.start();
}
public void doStop() throws Exception {
filterHolder.stop();
}
public void doFail() {
try {
filterHolder.stop();
} catch (Exception e) {
//ignore?
}
}
private static class InternalFilterHolder extends FilterHolder {
private final JettyServletRegistration servletRegistration;
private boolean destroyed;
public InternalFilterHolder(JettyServletRegistration servletRegistration) {
this.servletRegistration = servletRegistration;
}
public synchronized Object newInstance() throws InstantiationException, IllegalAccessException {
return servletRegistration.newInstance(_className);
}
public void destroyInstance(Object o) throws Exception {
if (!destroyed) {
super.destroyInstance(o);
servletRegistration.destroyInstance(o);
destroyed = true;
}
}
@Override
public void doStart() throws Exception {
IntegrationContext integrationContext = servletRegistration.getIntegrationContext();
javax.naming.Context context = integrationContext.setContext();
boolean txActive = integrationContext.isTxActive();
SharedConnectorInstanceContext newContext = integrationContext.newConnectorInstanceContext(null);
ConnectorInstanceContext connectorContext = integrationContext.setConnectorInstance(null, newContext);
try {
try {
super.setFilter((Filter)newInstance());
super.doStart();
} finally {
integrationContext.restoreConnectorContext(connectorContext, null, newContext);
}
} finally {
integrationContext.restoreContext(context);
integrationContext.completeTx(txActive, null);
}
}
@Override
public void doStop() throws Exception {
IntegrationContext integrationContext = servletRegistration.getIntegrationContext();
javax.naming.Context context = integrationContext.setContext();
boolean txActive = integrationContext.isTxActive();
SharedConnectorInstanceContext newContext = integrationContext.newConnectorInstanceContext(null);
ConnectorInstanceContext connectorContext = integrationContext.setConnectorInstance(null, newContext);
try {
try {
super.doStop();
} finally {
integrationContext.restoreConnectorContext(connectorContext, null, newContext);
}
} finally {
integrationContext.restoreContext(context);
integrationContext.completeTx(txActive, null);
}
}
}
public static final GBeanInfo GBEAN_INFO;
static {
GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(FilterHolderWrapper.class, NameFactory.WEB_FILTER);
infoBuilder.addAttribute("filterName", String.class, true);
infoBuilder.addAttribute("filterClass", String.class, true);
infoBuilder.addAttribute("initParams", Map.class, true);
infoBuilder.addReference("JettyServletRegistration", JettyServletRegistration.class, NameFactory.WEB_MODULE);
infoBuilder.setConstructor(new String[]{"filterName", "filterClass", "initParams", "JettyServletRegistration"});
GBEAN_INFO = infoBuilder.getBeanInfo();
}
public static GBeanInfo getGBeanInfo() {
return GBEAN_INFO;
}
}