/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
#ifndef _DECAF_UTIL_LOGGING_LOGWRITER_H_
#define _DECAF_UTIL_LOGGING_LOGWRITER_H_

#include <decaf/util/concurrent/Mutex.h>

namespace decaf{
namespace util{
namespace logging{

   class DECAF_API LogWriter
   {
   public:

      LogWriter(void);
      virtual ~LogWriter(void);

      /**
       * Writes a message to the output destination
       * @param file
       * @param line
       * @param prefix
       * @param message
       */
      virtual void log(const std::string& file,
                       const int          line,
                       const std::string& prefix,
                       const std::string& message);

      /**
       * Writes a message to the output destination
       * @param message
       */
      virtual void log(const std::string& message);

   public:    // Static methods

      /**
       * Get the singleton instance
       */
      static LogWriter& getInstance();

      /**
       * Returns a Checked out instance of this Writer
       */
      static void returnInstance();

      /**
       * Forcefully Delete the Instance of this LogWriter
       * even if there are outstanding references.
       */
      static void destroy();

   private:

      // Syncronization mutex
      static concurrent::Mutex mutex;

   };

}}}

#endif /*_DECAF_UTIL_LOGGING_LOGWRITER_H_*/