gremlin/libs/log4cplus/src/appender.cxx

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2011-07-04 09:56:19 +00:00
// Module: Log4CPLUS
// File: appender.cxx
// Created: 6/2001
// Author: Tad E. Smith
//
//
// Copyright 2003-2010 Tad E. Smith
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <log4cplus/appender.h>
#include <log4cplus/layout.h>
#include <log4cplus/helpers/loglog.h>
#include <log4cplus/helpers/pointer.h>
#include <log4cplus/helpers/stringhelper.h>
#include <log4cplus/spi/factory.h>
#include <log4cplus/spi/loggingevent.h>
using namespace log4cplus;
using namespace log4cplus::helpers;
using namespace log4cplus::spi;
///////////////////////////////////////////////////////////////////////////////
// log4cplus::ErrorHandler dtor
///////////////////////////////////////////////////////////////////////////////
ErrorHandler::~ErrorHandler()
{
}
///////////////////////////////////////////////////////////////////////////////
// log4cplus::OnlyOnceErrorHandler public methods
///////////////////////////////////////////////////////////////////////////////
void
OnlyOnceErrorHandler::error(const log4cplus::tstring& err)
{
if(firstTime) {
getLogLog().error(err);
firstTime = false;
}
}
void
OnlyOnceErrorHandler::reset()
{
firstTime = true;
}
///////////////////////////////////////////////////////////////////////////////
// log4cplus::Appender ctors
///////////////////////////////////////////////////////////////////////////////
Appender::Appender()
: layout(new SimpleLayout()),
name( LOG4CPLUS_TEXT("") ),
threshold(NOT_SET_LOG_LEVEL),
errorHandler(new OnlyOnceErrorHandler()),
closed(false)
{
}
Appender::Appender(const log4cplus::helpers::Properties properties)
: layout(new SimpleLayout()),
name( LOG4CPLUS_TEXT("") ),
threshold(NOT_SET_LOG_LEVEL),
errorHandler(new OnlyOnceErrorHandler()),
closed(false)
{
if(properties.exists( LOG4CPLUS_TEXT("layout") )) {
log4cplus::tstring factoryName = properties.getProperty( LOG4CPLUS_TEXT("layout") );
LayoutFactory* factory = getLayoutFactoryRegistry().get(factoryName);
if(factory == 0) {
getLogLog().error( LOG4CPLUS_TEXT("Cannot find LayoutFactory: \"")
+ factoryName
+ LOG4CPLUS_TEXT("\"") );
return;
}
Properties layoutProperties =
properties.getPropertySubset( LOG4CPLUS_TEXT("layout.") );
try {
std::auto_ptr<Layout> newLayout(factory->createObject(layoutProperties));
if(newLayout.get() == 0) {
getLogLog().error( LOG4CPLUS_TEXT("Failed to create appender: ")
+ factoryName);
}
else {
layout = newLayout;
}
}
catch(std::exception& e) {
getLogLog().error( LOG4CPLUS_TEXT("Error while creating Layout: ")
+ LOG4CPLUS_C_STR_TO_TSTRING(e.what()));
return;
}
}
// Support for appender.Threshold in properties configuration file
if(properties.exists(LOG4CPLUS_TEXT("Threshold"))) {
tstring tmp = properties.getProperty(LOG4CPLUS_TEXT("Threshold"));
tmp = log4cplus::helpers::toUpper(tmp);
threshold = log4cplus::getLogLevelManager().fromString(tmp);
}
// Configure the filters
Properties filterProps = properties.getPropertySubset( LOG4CPLUS_TEXT("filters.") );
int filterCount = 0;
FilterPtr filterChain;
tstring filterName, factoryName;
while( filterProps.exists(filterName = convertIntegerToString(++filterCount)) ) {
factoryName = filterProps.getProperty(filterName);
FilterFactory* factory = getFilterFactoryRegistry().get(factoryName);
if(factory == 0) {
tstring err = LOG4CPLUS_TEXT("Appender::ctor()- Cannot find FilterFactory: ");
getLogLog().error(err + factoryName);
continue;
}
FilterPtr tmp_filter = factory->createObject
(filterProps.getPropertySubset(filterName + LOG4CPLUS_TEXT(".")));
if(tmp_filter.get() == 0) {
tstring err = LOG4CPLUS_TEXT("Appender::ctor()- Failed to create filter: ");
getLogLog().error(err + filterName);
}
if(filterChain.get() == 0) {
filterChain = tmp_filter;
}
else {
filterChain->appendFilter(tmp_filter);
}
}
setFilter(filterChain);
}
Appender::~Appender()
{ }
///////////////////////////////////////////////////////////////////////////////
// log4cplus::Appender public methods
///////////////////////////////////////////////////////////////////////////////
void
Appender::destructorImpl()
{
getLogLog().debug( LOG4CPLUS_TEXT("Destroying appender named [")
+ name
+ LOG4CPLUS_TEXT("]."));
// An appender might be closed then destroyed. There is no
// point in closing twice.
if(closed) {
return;
}
close();
closed = true;
}
void
Appender::doAppend(const log4cplus::spi::InternalLoggingEvent& event)
{
LOG4CPLUS_BEGIN_SYNCHRONIZE_ON_MUTEX( access_mutex )
if(closed) {
getLogLog().error( LOG4CPLUS_TEXT("Attempted to append to closed appender named [")
+ name
+ LOG4CPLUS_TEXT("]."));
return;
}
if(!isAsSevereAsThreshold(event.getLogLevel())) {
return;
}
if(checkFilter(filter.get(), event) == DENY) {
return;
}
append(event);
LOG4CPLUS_END_SYNCHRONIZE_ON_MUTEX;
}
log4cplus::tstring
Appender::getName()
{
return name;
}
void
Appender::setName(const log4cplus::tstring& name_)
{
this->name = name_;
}
ErrorHandler*
Appender::getErrorHandler()
{
return errorHandler.get();
}
void
Appender::setErrorHandler(std::auto_ptr<ErrorHandler> eh)
{
if(eh.get() == NULL) {
// We do not throw exception here since the cause is probably a
// bad config file.
getLogLog().warn(LOG4CPLUS_TEXT("You have tried to set a null error-handler."));
return;
}
LOG4CPLUS_BEGIN_SYNCHRONIZE_ON_MUTEX( access_mutex )
this->errorHandler = eh;
LOG4CPLUS_END_SYNCHRONIZE_ON_MUTEX;
}
void
Appender::setLayout(std::auto_ptr<Layout> lo)
{
LOG4CPLUS_BEGIN_SYNCHRONIZE_ON_MUTEX( access_mutex )
this->layout = lo;
LOG4CPLUS_END_SYNCHRONIZE_ON_MUTEX;
}
Layout*
Appender::getLayout()
{
return layout.get();
}