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*
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package com.sun.enterprise.web.accesslog;
import java.nio.CharBuffer;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.catalina.HttpResponse;
import org.apache.catalina.Request;
import org.apache.catalina.Response;
/**
* Access log formatter using the <i>combined</i> access log format from
* Apache.
*/
public class CombinedAccessLogFormatterImpl extends CommonAccessLogFormatterImpl {
/**
* Appends an access log entry line, with info obtained from the given
* request and response objects, to the given CharBuffer.
*
* @param request The request object from which to obtain access log info
* @param response The response object from which to obtain access log info
* @param charBuffer The CharBuffer to which to append access log info
*/
public void appendLogEntry(Request request,
Response response,
CharBuffer charBuffer) {
super.appendLogEntry(request, response, charBuffer);
ServletRequest req = request.getRequest();
HttpServletRequest hreq = (HttpServletRequest) req;
appendReferer(charBuffer, hreq);
charBuffer.put(SPACE);
appendUserAgent(charBuffer, hreq);
}
/*
* Appends the value of the 'referer' header of the given request to
* the given char buffer.
*/
private void appendReferer(CharBuffer cb, HttpServletRequest hreq) {
cb.put("\"");
String referer = hreq.getHeader("referer");
if (referer == null) {
referer = NULL_VALUE;
}
cb.put(referer);
cb.put("\"");
}
/*
* Appends the value of the 'user-agent' header of the given request to
* the given char buffer.
*/
private void appendUserAgent(CharBuffer cb, HttpServletRequest hreq) {
cb.put("\"");
String ua = hreq.getHeader("user-agent");
if (ua == null) {
ua = NULL_VALUE;
}
cb.put(ua);
cb.put("\"");
}
}
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