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RequestDumperValve.javaAPI DocApache Tomcat 6.0.147585Fri Jul 20 04:20:36 BST 2007org.apache.catalina.valves

RequestDumperValve

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.

author
Craig R. McClanahan
version
$Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $

Fields Summary
private static final String
info
The descriptive information related to this implementation.
protected static org.apache.catalina.util.StringManager
sm
The StringManager for this package.
Constructors Summary
Methods Summary
public java.lang.StringgetInfo()
Return descriptive information about this Valve implementation.



    // ------------------------------------------------------------- Properties


                
       

        return (info);
public voidinvoke(org.apache.catalina.connector.Request request, org.apache.catalina.connector.Response response)
Log the interesting request parameters, invoke the next Valve in the sequence, and log the interesting response parameters.

param
request The servlet request to be processed
param
response The servlet response to be created
exception
IOException if an input/output error occurs
exception
ServletException if a servlet error occurs


        Log log = container.getLogger();
        
        // Log pre-service information
        log.info("REQUEST URI       =" + request.getRequestURI());
        log.info("          authType=" + request.getAuthType());
        log.info(" characterEncoding=" + request.getCharacterEncoding());
        log.info("     contentLength=" + request.getContentLength());
        log.info("       contentType=" + request.getContentType());
        log.info("       contextPath=" + request.getContextPath());
        Cookie cookies[] = request.getCookies();
        if (cookies != null) {
            for (int i = 0; i < cookies.length; i++)
                log.info("            cookie=" + cookies[i].getName() + "=" +
                    cookies[i].getValue());
        }
        Enumeration hnames = request.getHeaderNames();
        while (hnames.hasMoreElements()) {
            String hname = (String) hnames.nextElement();
            Enumeration hvalues = request.getHeaders(hname);
            while (hvalues.hasMoreElements()) {
                String hvalue = (String) hvalues.nextElement();
                log.info("            header=" + hname + "=" + hvalue);
            }
        }
        log.info("            locale=" + request.getLocale());
        log.info("            method=" + request.getMethod());
        Enumeration pnames = request.getParameterNames();
        while (pnames.hasMoreElements()) {
            String pname = (String) pnames.nextElement();
            String pvalues[] = request.getParameterValues(pname);
            StringBuffer result = new StringBuffer(pname);
            result.append('=");
            for (int i = 0; i < pvalues.length; i++) {
                if (i > 0)
                    result.append(", ");
                result.append(pvalues[i]);
            }
            log.info("         parameter=" + result.toString());
        }
        log.info("          pathInfo=" + request.getPathInfo());
        log.info("          protocol=" + request.getProtocol());
        log.info("       queryString=" + request.getQueryString());
        log.info("        remoteAddr=" + request.getRemoteAddr());
        log.info("        remoteHost=" + request.getRemoteHost());
        log.info("        remoteUser=" + request.getRemoteUser());
        log.info("requestedSessionId=" + request.getRequestedSessionId());
        log.info("            scheme=" + request.getScheme());
        log.info("        serverName=" + request.getServerName());
        log.info("        serverPort=" + request.getServerPort());
        log.info("       servletPath=" + request.getServletPath());
        log.info("          isSecure=" + request.isSecure());
        log.info("---------------------------------------------------------------");

        // Perform the request
        getNext().invoke(request, response);

        // Log post-service information
        log.info("---------------------------------------------------------------");
        log.info("          authType=" + request.getAuthType());
        log.info("     contentLength=" + response.getContentLength());
        log.info("       contentType=" + response.getContentType());
        Cookie rcookies[] = response.getCookies();
        for (int i = 0; i < rcookies.length; i++) {
            log.info("            cookie=" + rcookies[i].getName() + "=" +
                rcookies[i].getValue() + "; domain=" +
                rcookies[i].getDomain() + "; path=" + rcookies[i].getPath());
        }
        String rhnames[] = response.getHeaderNames();
        for (int i = 0; i < rhnames.length; i++) {
            String rhvalues[] = response.getHeaderValues(rhnames[i]);
            for (int j = 0; j < rhvalues.length; j++)
                log.info("            header=" + rhnames[i] + "=" + rhvalues[j]);
        }
        log.info("           message=" + response.getMessage());
        log.info("        remoteUser=" + request.getRemoteUser());
        log.info("            status=" + response.getStatus());
        log.info("===============================================================");
public java.lang.StringtoString()
Return a String rendering of this object.


        StringBuffer sb = new StringBuffer("RequestDumperValve[");
        if (container != null)
            sb.append(container.getName());
        sb.append("]");
        return (sb.toString());