RequestDumperValve (Tomcat API Documentation)
Keywords: org.apache.catalina.valves.RequestDumperValve class

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## org.apache.catalina.valves
Class RequestDumperValve

    java.lang.Object
      org.apache.catalina.valves.ValveBase
          org.apache.catalina.valves.RequestDumperValve

All Implemented Interfaces:
  javax.management.MBeanRegistration, Contained, Valve

    public class RequestDumperValve

extends ValveBase

Implementation of a Valve that logs interesting contents from the specified Request (before processing) and the corresponding Response (after processing). It is especially useful in debugging problems related to headers and cookies.

This Valve may be attached to any Container, depending on the granularity of the logging you wish to perform.

Version:
  $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (Tue, 24 Oct 2006) $
Author:
  Craig R. McClanahan

Field Summary
`protected static StringManager` | `sm` The StringManager for this package.

Fields inherited from class org.apache.catalina.valves.ValveBase
`container, containerLog, controller, domain, mserver, next, oname`

Constructor Summary
`RequestDumperValve()`

Method Summary
`java.lang.String` | `getInfo()` Return descriptive information about this Valve implementation.
`void` | `invoke(Request request, Response response)` Log the interesting request parameters, invoke the next Valve in the sequence, and log the interesting response parameters.
`java.lang.String` | `toString()` Return a String rendering of this object.

Methods inherited from class org.apache.catalina.valves.ValveBase
`backgroundProcess, createObjectName, event, getContainer, getContainerName, getController, getDomain, getNext, getObjectName, getParentName, postDeregister, postRegister, preDeregister, preRegister, setContainer, setController, setNext, setObjectName`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### sm

    protected static StringManager sm

  The StringManager for this package.

Constructor Detail

### RequestDumperValve

    public RequestDumperValve()

Method Detail

### getInfo

    public java.lang.String getInfo()

  Return descriptive information about this Valve implementation.

  Specified by:
    `getInfo` in interface `Valve`
  Overrides:
    `getInfo` in class `ValveBase`

### invoke

    public void invoke(Request request,
                       Response response)
                throws java.io.IOException,
                       javax.servlet.ServletException

  Log the interesting request parameters, invoke the next Valve in the sequence, and log the interesting response parameters.

  Specified by:
    `invoke` in interface `Valve`
  Specified by:
    `invoke` in class `ValveBase`
  Parameters:
    `request` - The servlet request to be processed
    `response` - The servlet response to be created
  Throws:
    `java.io.IOException` - if an input/output error occurs
    `javax.servlet.ServletException` - if a servlet error occurs

### toString

    public java.lang.String toString()

  Return a String rendering of this object.

  Overrides:
    `toString` in class `ValveBase`

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