edu.ucsb.adl.middleware
Class ErrorHandlerServlet

java.lang.Object
  |
  +--javax.servlet.GenericServlet
        |
        +--javax.servlet.http.HttpServlet
              |
              +--edu.ucsb.adl.middleware.ErrorHandlerServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public final class ErrorHandlerServlet

extends javax.servlet.http.HttpServlet

Tomcat error page. This error handler is installed using one or more <error-page> elements in the Tomcat configuration file web.xml, as in:

<servlet>
  <servlet-name>error</servlet-name>
  <servlet-class>edu.ucsb.adl.middleware.ErrorHandlerServlet</servlet-class>
</servlet>
...
<servlet-mapping>
  <servlet-name>error</servlet-name>
  <url-pattern>/error</url-pattern>
</servlet-mapping>
...
<error-page>
  <error-code>400</error-code>
  <location>/error</location>
</error-page>
<error-page>
  <error-code>404</error-code>
  <location>/error</location>
</error-page>
...

Version:

$Header: /export/home/gjanee/middleware/edu/ucsb/adl/middleware/RCS/ErrorHandlerServlet.java,v 1.1 2006/06/29 23:22:29 gjanee Exp $

$Log: ErrorHandlerServlet.java,v $ Revision 1.1 2006/06/29 23:22:29 gjanee Initial revision

Author:

Greg Janée
Alexandria Digital Library

See Also:

Serialized Form

Constructor Summary

ErrorHandlerServlet()
Creates an ErrorHandlerServlet.

Method Summary

void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Returns an HTML error page.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ErrorHandlerServlet

public ErrorHandlerServlet()

Creates an ErrorHandlerServlet.

Method Detail

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws java.io.IOException

Returns an HTML error page. The error status supplied by Tomcat is preserved.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

request - The HTTP request.

response - The HTTP response.

Throws:

java.io.IOException - On any I/O error.