/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.http.log;
import com.caucho.util.Alarm;
import com.caucho.util.CharBuffer;
import com.caucho.util.CompileException;
import com.caucho.util.ExceptionWrapper;
import com.caucho.util.QDate;
import com.caucho.vfs.WriteStream;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* Represents an log of every error log request to the server.
*/
public class ErrorLog extends AbstractErrorLog {
/**
* Logs an error.
*
* @param message the error message
* @param request the servlet request
* @param response the servlet response
* @param application the servlet context
*/
public void log(String message,
HttpServletRequest request,
HttpServletResponse response,
ServletContext application)
throws IOException
{
WriteStream logStream = getLogStream();
if (logStream == null)
return;
CharBuffer cb = CharBuffer.allocate();
QDate.formatLocal(cb, Alarm.getCurrentTime(), "[%Y/%m/%d %H:%M:%S] ");
cb.append(message);
logStream.log(cb.close());
logStream.flush();
}
/**
* Logs a message to the error log.
*
* @param log the error log to write the message.
* @param message the message to write
* @param e the exception to write
*/
public void log(String message,
Throwable e,
HttpServletRequest request,
HttpServletResponse response,
ServletContext application)
throws IOException
{
WriteStream logStream = getLogStream();
if (logStream == null)
return;
Throwable t = e;
while (t != null) {
e = t;
if (e instanceof ServletException)
t = ((ServletException) e).getRootCause();
else if (e instanceof ExceptionWrapper)
t = ((ExceptionWrapper) e).getRootCause();
else
t = null;
}
CharBuffer cb = CharBuffer.allocate();
QDate.formatLocal(cb, Alarm.getCurrentTime(), "[%Y/%m/%d %H:%M:%S] ");
cb.append(message);
logStream.log(cb.close());
if (e != null && ! (e instanceof CompileException))
logStream.log(e);
logStream.flush();
}
/**
* Cleanup the log.
*/
public void destroy()
throws IOException
{
}
}