src/net/instaweb/htmlparse/file_statistics_log.cc

/*
 * Copyright 2010 Google Inc.
 *
 * 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.
 */

// Author: jmaessen@google.com (Jan Maessen)

#include "net/instaweb/htmlparse/public/file_statistics_log.h"

#include "pagespeed/kernel/base/file_system.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

// TODO(jmarantz): convert to statistics interface

namespace net_instaweb {
class MessageHandler;

FileStatisticsLog::FileStatisticsLog(FileSystem::OutputFile* file,
                                     MessageHandler* message_handler)
  : file_(file),
    message_handler_(message_handler) {
}

FileStatisticsLog::~FileStatisticsLog() {
}

void FileStatisticsLog::LogStat(const char *stat_name, int value) {
  // Buffer whole log entry before writing, in case there's interleaving going
  // on (ie avoid multiple writes for single log entry)
  GoogleString buf(stat_name);
  StrAppend(&buf, ": ", IntegerToString(value), "\n");
  file_->Write(buf, message_handler_);
}

}  // namespace net_instaweb