org.apache.catalina.core.StandardPipeline Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2016 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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.
*/
// Portions Copyright [2016-2021] [Payara Foundation and/or affiliates]
package org.apache.catalina.core;
import org.apache.catalina.*;
import org.apache.catalina.Request;
import org.apache.catalina.Response;
import org.apache.catalina.connector.*;
import org.apache.catalina.util.LifecycleSupport;
import org.apache.catalina.valves.ValveBase;
import org.glassfish.web.valve.GlassFishValve;
import org.glassfish.web.valve.GlassFishValveAdapter;
import org.glassfish.web.valve.TomcatValveAdapter;
import javax.management.ObjectName;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpUpgradeHandler;
import static java.text.MessageFormat.format;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.SEVERE;
import static java.util.logging.Level.WARNING;
import static org.apache.catalina.ContainerEvent.AFTER_UPGRADE_HANDLER_INITIALIZED;
import static org.apache.catalina.ContainerEvent.BEFORE_UPGRADE_HANDLER_INITIALIZED;
import static org.apache.catalina.Globals.WRAPPED_REQUEST;
import static org.apache.catalina.Globals.WRAPPED_RESPONSE;
import static org.apache.catalina.LogFacade.INTERNAL_ERROR;
import static org.apache.catalina.LogFacade.NO_VALVES_IN_PIPELINE_EXCEPTION;
import static org.apache.catalina.LogFacade.PROTOCOL_HANDLER_REQUIRED_EXCEPTION;
import static org.apache.catalina.LogFacade.STANDARD_PIPELINE_INFO;
import static org.apache.catalina.LogFacade.STANDARD_PIPELINE_NULL_INFO;
import static org.glassfish.web.valve.GlassFishValve.INVOKE_NEXT;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.text.MessageFormat;
import java.util.ResourceBundle;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.servlet.AsyncEvent;
import jakarta.servlet.AsyncListener;
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
import org.apache.tomcat.util.modeler.Registry;
*/
/**
* Standard implementation of a processing Pipeline that will invoke a series of Valves that
* have been configured to be called in order. This implementation can be used for any type of
* Container.
*
* IMPLEMENTATION WARNING - This implementation assumes that no calls to
* addValve() or removeValve are allowed while a request is currently
* being processed. Otherwise, the mechanism by which per-thread state is maintained will need to be
* modified.
*
* @author Craig R. McClanahan
*/
public class StandardPipeline implements Pipeline, Contained, Lifecycle {
private static final Logger log = LogFacade.getLogger();
private static final ResourceBundle rb = log.getResourceBundle();
// ----------------------------------------------------------- Constructors
/**
* Construct a new StandardPipeline instance with no associated Container.
*/
public StandardPipeline() {
this(null);
}
/**
* Construct a new StandardPipeline instance that is associated with the specified Container.
*
* @param container The container we should be associated with
*/
public StandardPipeline(Container container) {
super();
setContainer(container);
}
// ----------------------------------------------------- Instance Variables
/**
* The basic Valve (if any) associated with this Pipeline.
*/
protected GlassFishValve basic;
/**
* The Container with which this Pipeline is associated.
*/
protected Container container;
/**
* Descriptive information about this implementation.
*/
protected static final String info = "org.apache.catalina.core.StandardPipeline/1.0";
/**
* The lifecycle event support for this component.
*/
protected LifecycleSupport lifecycle = new LifecycleSupport(this);
/**
* Has this component been started yet?
*/
protected boolean started;
// START OF IASRI# 4647091
/*
* The per-thread execution state for processing through this pipeline. The actual value is a
* java.lang.Integer object containing the subscript into the values array, or a
* subscript equal to values.length if the basic Valve is currently being processed.
*/
// protected ThreadLocal state = new ThreadLocal();
// END OF IASRI# 4647091
/**
* The set of Valves (not including the Basic one, if any) associated with this Pipeline.
*/
protected GlassFishValve valves[] = new GlassFishValve[0];
// The first Tomcat-style valve in the pipeline, if any
private Valve firstTcValve;
// The last Tomcat-style valve (immediately preceding the basic valve)
// in the pipeline, if any
private Valve lastTcValve;
// --------------------------------------------------------- Public Methods
/**
* Return descriptive information about this implementation class.
*/
public String getInfo() {
return info;
}
// ------------------------------------------------------ Contained Methods
/**
* Return the Container with which this Pipeline is associated.
*/
@Override
public Container getContainer() {
return container;
}
/**
* Set the Container with which this Pipeline is associated.
*
* @param container The new associated container
*/
@Override
public void setContainer(Container container) {
this.container = container;
}
// --------------------------------------------------- Lifecycle Methods
/**
* Add a lifecycle event listener to this component.
*
* @param listener The listener to add
*/
@Override
public void addLifecycleListener(LifecycleListener listener) {
lifecycle.addLifecycleListener(listener);
}
/**
* Gets the (possibly empty) list of lifecycle listeners associated with this Pipeline.
*/
@Override
public List findLifecycleListeners() {
return lifecycle.findLifecycleListeners();
}
/**
* Remove a lifecycle event listener from this component.
*
* @param listener The listener to remove
*/
@Override
public void removeLifecycleListener(LifecycleListener listener) {
lifecycle.removeLifecycleListener(listener);
}
/**
* Prepare for active use of the public methods of this Component.
*
* @exception IllegalStateException if this component has already been started
* @exception LifecycleException if this component detects a fatal error that prevents it from being
* started
*/
@Override
public synchronized void start() throws LifecycleException {
// Validate and update our current component state
if (started)
throw new LifecycleException(rb.getString(LogFacade.PIPLINE_STARTED));
// Notify our interested LifecycleListeners
lifecycle.fireLifecycleEvent(BEFORE_START_EVENT, null);
started = true;
// Start the Valves in our pipeline (including the basic), if any
for (GlassFishValve valve : valves) {
if (valve instanceof Lifecycle) {
((Lifecycle) valve).start();
/**
* CR 6411114 (MBean registration moved to ValveBase.start()) registerValve(valves[i]);
*/
}
}
if ((basic != null) && (basic instanceof Lifecycle))
((Lifecycle) basic).start();
/**
* CR 6411114 (MBean registration moved to ValveBase.start()) if( basic!=null )
* registerValve(basic);
*/
// Notify our interested LifecycleListeners
lifecycle.fireLifecycleEvent(START_EVENT, null);
// Notify our interested LifecycleListeners
lifecycle.fireLifecycleEvent(AFTER_START_EVENT, null);
}
/**
* Gracefully shut down active use of the public methods of this Component.
*
* @exception IllegalStateException if this component has not been started
* @exception LifecycleException if this component detects a fatal error that needs to be reported
*/
@Override
public synchronized void stop() throws LifecycleException {
// Validate and update our current component state
if (!started)
throw new LifecycleException(rb.getString(LogFacade.PIPLINE_NOT_STARTED));
started = false;
// Notify our interested LifecycleListeners
lifecycle.fireLifecycleEvent(BEFORE_STOP_EVENT, null);
// Notify our interested LifecycleListeners
lifecycle.fireLifecycleEvent(STOP_EVENT, null);
// Stop the Valves in our pipeline (including the basic), if any
if ((basic != null) && (basic instanceof Lifecycle))
((Lifecycle) basic).stop();
/**
* CR 6411114 (MBean deregistration moved to ValveBase.stop()) if( basic!=null ) {
* unregisterValve(basic); }
*/
for (GlassFishValve valve : valves) {
if (valve instanceof Lifecycle) {
((Lifecycle) valve).stop();
/**
* CR 6411114 (MBean deregistration moved to ValveBase.stop()) unregisterValve(valves[i]);
*/
}
}
// Notify our interested LifecycleListeners
lifecycle.fireLifecycleEvent(AFTER_STOP_EVENT, null);
}
// ------------------------------------------------------- Pipeline Methods
/**
*
* Return the Valve instance that has been distinguished as the basic Valve for this Pipeline (if
* any).
*/
@Override
public GlassFishValve getBasic() {
return basic;
}
/**
*
* Set the Valve instance that has been distinguished as the basic Valve for this Pipeline (if any).
* Prior to setting the basic Valve, the Valve's setContainer() will be called, if it
* implements Contained, with the owning Container as an argument. The method may throw
* an IllegalArgumentException if this Valve chooses not to be associated with this
* Container, or IllegalStateException if it is already associated with a different
* Container.
*
*
* @param valve Valve to be distinguished as the basic Valve
*/
@Override
public void setBasic(GlassFishValve valve) {
// Change components if necessary
GlassFishValve oldBasic = null;
synchronized (this) {
oldBasic = this.basic;
}
if (oldBasic == valve) {
return;
}
// Stop the old component if necessary
if (oldBasic != null) {
synchronized (this) {
if (started && (oldBasic instanceof Lifecycle)) {
try {
((Lifecycle) oldBasic).stop();
} catch (LifecycleException e) {
log.log(Level.SEVERE, LogFacade.SET_BASIC_STOP_EXCEPTION, e);
}
}
}
if (oldBasic instanceof Contained) {
try {
((Contained) oldBasic).setContainer(null);
} catch (Throwable t) {
// Ignore
}
}
}
// Start the new component if necessary
if (valve == null) {
return;
}
if (valve instanceof Contained) {
((Contained) valve).setContainer(this.container);
}
/**
* CR 6411114 if (valve instanceof Lifecycle) {
*/
// START CR 6411114
// Start the valve if the pipeline has already been started
if (started && (valve instanceof Lifecycle)) {
// END CR 6411114
try {
((Lifecycle) valve).start();
} catch (LifecycleException e) {
log.log(Level.SEVERE, LogFacade.SET_BASIC_START_EXCEPTION, e);
return;
}
}
synchronized (this) {
this.basic = valve;
}
}
/**
*
* Add a new Valve to the end of the pipeline associated with this Container. Prior to adding the
* Valve, the Valve's setContainer() method will be called, if it implements
* Contained, with the owning Container as an argument. The method may throw an
* IllegalArgumentException if this Valve chooses not to be associated with this
* Container, or IllegalStateException if it is already associated with a different
* Container.
*
*
* @param valve Valve to be added
*
* @exception IllegalArgumentException if this Container refused to accept the specified Valve
* @exception IllegalArgumentException if the specified Valve refuses to be associated with this
* Container
* @exception IllegalStateException if the specified Valve is already associated with a different
* Container
*/
@Override
public void addValve(GlassFishValve valve) {
if (firstTcValve != null) {
// Wrap GlassFish-style valve inside Tomcat-style valve
addValve(new TomcatValveAdapter(valve));
return;
}
// Validate that we can add this Valve
if (valve instanceof Contained)
((Contained) valve).setContainer(this.container);
// Start the new component if necessary
if (started) {
if (valve instanceof Lifecycle) {
try {
((Lifecycle) valve).start();
} catch (LifecycleException e) {
log.log(Level.SEVERE, LogFacade.ADD_VALVE_EXCEPTION, e);
}
}
/**
* CR 6411114 (MBean registration moved to ValveBase.start()) // Register the newly added valve
* registerValve(valve);
*/
}
// Add this Valve to the set associated with this Pipeline
GlassFishValve results[] = new GlassFishValve[valves.length + 1];
System.arraycopy(valves, 0, results, 0, valves.length);
results[valves.length] = valve;
valves = results;
}
/**
* Add Tomcat-style valve.
*/
@Override
public synchronized void addValve(Valve valve) {
/*
* Check if this is a GlassFish-style valve that was compiled against the old
* org.apache.catalina.Valve interface (from GlassFish releases prior to V3), which has since been
* renamed to org.glassfish.web.valve.GlassFishValve (in V3)
*/
if (isGlassFishValve(valve)) {
try {
addValve(new GlassFishValveAdapter(valve));
} catch (Exception e) {
String msg = MessageFormat.format(rb.getString(LogFacade.ADD_TOMCAT_STYLE_VALVE_EXCEPTION), valve);
log.log(Level.SEVERE, msg, e);
}
return;
}
if (valve instanceof Contained)
((Contained) valve).setContainer(this.container);
// Start the new Valve if necessary
if (started) {
if (valve instanceof Lifecycle) {
try {
((Lifecycle) valve).start();
} catch (LifecycleException e) {
log.log(Level.SEVERE, LogFacade.ADD_VALVE_EXCEPTION, e);
}
}
}
if (firstTcValve == null) {
firstTcValve = lastTcValve = valve;
} else {
lastTcValve.setNext(valve);
lastTcValve = valve;
}
if (basic != null) {
valve.setNext((Valve) basic);
}
}
/**
* Return the set of Valves in the pipeline associated with this Container, including the basic
* Valve (if any). If there are no such Valves, a zero-length array is returned.
*/
@Override
public GlassFishValve[] getValves() {
if (basic == null) {
return (valves);
}
GlassFishValve results[] = new GlassFishValve[valves.length + 1];
System.arraycopy(valves, 0, results, 0, valves.length);
results[valves.length] = basic;
return results;
}
/**
* @return true if this pipeline has any non basic valves, false otherwise
*/
@Override
public boolean hasNonBasicValves() {
return ((valves != null && valves.length > 0) || firstTcValve != null);
}
public ObjectName[] getValveObjectNames() {
ObjectName oname[] = new ObjectName[valves.length + 1];
for (int i = 0; i < valves.length; i++) {
if (valves[i] instanceof ValveBase)
oname[i] = ((ValveBase) valves[i]).getObjectName();
}
if (basic instanceof ValveBase) {
oname[valves.length] = ((ValveBase) basic).getObjectName();
}
return oname;
}
/**
* Cause the specified request and response to be processed by the Valves associated with this
* pipeline, until one of these valves causes the response to be created and returned. The
* implementation must ensure that multiple simultaneous requests (on different threads) can be
* processed through the same Pipeline without interfering with each other's control flow.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet exception is thrown
*/
@Override
public void invoke(Request request, Response response) throws IOException, ServletException {
doInvoke(request, response, false);
}
public void doChainInvoke(Request request, Response response) throws IOException, ServletException {
doInvoke(request, response, true);
}
/**
* Remove the specified Valve from the pipeline associated with this Container, if it is found;
* otherwise, do nothing. If the Valve is found and removed, the Valve's
* setContainer(null) method will be called if it implements Contained.
*
* @param valve Valve to be removed
*/
@Override
public void removeValve(GlassFishValve valve) {
// Locate this Valve in our list
int j = -1;
for (int i = 0; i < valves.length; i++) {
if (valve == valves[i]) {
j = i;
break;
}
}
if (j < 0) {
return;
}
// Remove this valve from our list
GlassFishValve results[] = new GlassFishValve[valves.length - 1];
int n = 0;
for (int i = 0; i < valves.length; i++) {
if (i == j) {
continue;
}
results[n++] = valves[i];
}
valves = results;
try {
if (valve instanceof Contained) {
((Contained) valve).setContainer(null);
}
} catch (Throwable t) {
;
}
// Stop this valve if necessary
if (started) {
if (valve instanceof ValveBase) {
if (((ValveBase) valve).isStarted()) {
try {
((Lifecycle) valve).stop();
} catch (LifecycleException e) {
log.log(Level.SEVERE, LogFacade.REMOVE_VALVE_EXCEPTION, e);
}
}
} else if (valve instanceof Lifecycle) {
try {
((Lifecycle) valve).stop();
} catch (LifecycleException e) {
log.log(Level.SEVERE, LogFacade.REMOVE_VALVE_EXCEPTION, e);
}
}
/**
* CR 6411114 (MBean deregistration moved to ValveBase.stop()) // Unregister the removed valve
* unregisterValve(valve);
*/
}
}
// ------------------------------------------------------ Protected Methods
/**
* Log a message on the Logger associated with our Container (if any).
*
* @param message Message to be logged
*/
protected void log(String message) {
org.apache.catalina.Logger logger = null;
if (container != null) {
logger = container.getLogger();
String msg = MessageFormat.format(rb.getString(LogFacade.STANDARD_PIPELINE_INFO),
new Object[] { container.getName(), message });
if (logger != null) {
logger.log(msg);
} else {
log.log(INFO, msg);
}
} else {
if (log.isLoggable(INFO)) {
log.log(INFO, format(rb.getString(STANDARD_PIPELINE_NULL_INFO), message));
}
}
}
/**
* Logs the given message to the Logger associated with the Container (if any) of this
* StandardPipeline.
*
* @param message the message
* @param t the Throwable
*/
protected void log(String message, Throwable t) {
org.apache.catalina.Logger logger = null;
if (container != null) {
logger = container.getLogger();
String msg = format(rb.getString(STANDARD_PIPELINE_INFO), new Object[] { container.getName(), message });
if (logger != null) {
logger.log(msg, t, org.apache.catalina.Logger.WARNING);
} else {
log.log(WARNING, msg, t);
}
} else {
log.log(Level.WARNING, format(rb.getString(STANDARD_PIPELINE_NULL_INFO), message), t);// INFO set to WARNING
}
}
// ------------------------------------------------------ Private Methods
private void doInvoke(Request request, Response response, boolean chaining) throws IOException, ServletException {
if (valves.length > 0 || basic != null) {
// Set the status so that if there are no valves (other than the
// basic one), the basic valve's request processing logic will
// be invoked
int status = INVOKE_NEXT;
// Iterate over all the valves in the pipeline and invoke
// each valve's processing logic and then move onto to the
// next valve in the pipeline only if the previous valve indicated
// that the pipeline should proceed.
int i;
for (i = 0; i < valves.length; i++) {
Request req = request;
Response resp = response;
if (chaining) {
// Check if the (JASPIC) authentication module has provided a wrapped
// request and response
req = getWrappedRequest(request);
resp = getWrappedResponse(request, response);
}
status = valves[i].invoke(req, resp);
if (status != INVOKE_NEXT) {
break;
}
}
// Save a reference to the valve[], to ensure that postInvoke()
// is invoked on the original valve[], in case a valve gets added
// or removed during the invocation of the basic valve (e.g.,
// in case access logging is enabled or disabled by some kind of
// admin servlet), in which case the indices used for postInvoke
// invocations below would be off
GlassFishValve[] savedValves = valves;
// Invoke the basic valve's request processing and post-request
// logic only if the pipeline was not aborted (i.e. no valve
// returned END_PIPELINE).
// In addition, the basic valve needs to be invoked by the
// pipeline only if no Tomcat-style valves have been added.
// Otherwise, it will be invoked by the last Tomcat-style valve
// directly.
if (status == INVOKE_NEXT) {
if (firstTcValve != null) {
firstTcValve.invoke((org.apache.catalina.connector.Request) request, (org.apache.catalina.connector.Response) response);
} else if (basic != null) {
Request req = request;
Response resp = response;
if (chaining) {
req = getWrappedRequest(request);
resp = getWrappedResponse(request, response);
}
basic.invoke(req, resp);
postInvoke(basic, req, resp);
}
}
// Invoke the post-request processing logic only on those valves
// that returned a status of INVOKE_NEXT
for (int j = i - 1; j >= 0; j--) {
Request req = request;
Response resp = response;
if (chaining) {
req = getWrappedRequest(request);
resp = getWrappedResponse(request, response);
}
postInvoke(savedValves[j], req, resp);
}
savedValves = null;
} else {
throw new ServletException(rb.getString(NO_VALVES_IN_PIPELINE_EXCEPTION));
}
// Calls the protocol handler's init method if the request is marked to be upgraded
if (request instanceof org.apache.catalina.connector.Request) {
org.apache.catalina.connector.Request req = (org.apache.catalina.connector.Request) request;
if (req.isUpgrade()) {
HttpUpgradeHandler handler = req.getHttpUpgradeHandler();
if (handler != null) {
WebConnectionImpl wc = new WebConnectionImpl(req.getInputStream(),
((org.apache.catalina.connector.Response) req.getResponse()).getOutputStream());
wc.setRequest(req);
req.setWebConnection(wc);
if (response instanceof org.apache.catalina.connector.Response) {
wc.setResponse((org.apache.catalina.connector.Response) response);
}
Context context = req.getContext();
try {
context.fireContainerEvent(BEFORE_UPGRADE_HANDLER_INITIALIZED, handler);
req.initialiseHttpUpgradeHandler(wc);
} finally {
context.fireContainerEvent(AFTER_UPGRADE_HANDLER_INITIALIZED, handler);
}
} else {
log.log(Level.SEVERE, PROTOCOL_HANDLER_REQUIRED_EXCEPTION);
}
// req.setUpgrade(false);
}
}
}
private void postInvoke(GlassFishValve savedValve, Request request, Response response) throws IOException, ServletException {
if (request.getRequest().isAsyncSupported() && request.getRequest().isAsyncStarted()) {
request.getRequest().getAsyncContext().addListener(new AsyncListener() {
@Override
public void onComplete(AsyncEvent event) throws IOException {
try {
savedValve.postInvoke(request, response);
} catch (ServletException ex) {
log.log(SEVERE, INTERNAL_ERROR, ex);
}
}
@Override
public void onTimeout(AsyncEvent event) throws IOException {
try {
savedValve.postInvoke(request, response);
} catch (ServletException ex) {
log.log(SEVERE, INTERNAL_ERROR, ex);
}
}
@Override
public void onError(AsyncEvent event) throws IOException {
try {
savedValve.postInvoke(request, response);
} catch (ServletException ex) {
log.log(SEVERE, INTERNAL_ERROR, ex);
}
}
@Override
public void onStartAsync(AsyncEvent event) throws IOException {
}
});
} else {
savedValve.postInvoke(request, response);
}
}
/*
* Checks if the give valve is a GlassFish-style valve that was compiled against the old
* org.apache.catalina.Valve interface (from GlassFish releases prior to V3), which has since been
* renamed to org.glassfish.web.valve.GlassFishValve (in V3).
*
* The check is done by checking that it is not an abstract method with return type int. Note that
* invoke method in the original Tomcat-based Valve interface is declared to be void.
*
* @param valve the valve to check
*
* @return true if the given valve is a GlassFish-style valve, false otherwise
*/
private boolean isGlassFishValve(Valve valve) {
try {
Method m = valve.getClass().getMethod("invoke", org.apache.catalina.Request.class, org.apache.catalina.Response.class);
return (m != null && int.class.equals(m.getReturnType()) && (!Modifier.isAbstract(m.getModifiers())));
} catch (Exception e) {
return false;
}
}
private Request getWrappedRequest(Request request) {
Request wrappedRequest = (Request) request.getNote(WRAPPED_REQUEST);
if (wrappedRequest == null) {
wrappedRequest = request;
}
return wrappedRequest;
}
private Response getWrappedResponse(Request request, Response response) {
Response wrappedResponse = (Response) request.getNote(WRAPPED_RESPONSE);
if (wrappedResponse == null) {
wrappedResponse = response;
}
return wrappedResponse;
}
}