/*

 * 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 _LOG4CXX_HELPERS_SYSTEMERRWRITER_H

#define _LOG4CXX_HELPERS_SYSTEMERRWRITER_H

#include <log4cxx/helpers/writer.h>

namespace LOG4CXX_NS

{

namespace helpers

{

/**

*   Sends output to <code>stderr</code>.

*/

class LOG4CXX_EXPORT SystemErrWriter : public Writer

{

  public:

    DECLARE_LOG4CXX_OBJECT(SystemErrWriter)

    BEGIN_LOG4CXX_CAST_MAP()

    LOG4CXX_CAST_ENTRY(SystemErrWriter)

    LOG4CXX_CAST_ENTRY_CHAIN(Writer)

    END_LOG4CXX_CAST_MAP()

    SystemErrWriter();

    virtual ~SystemErrWriter();

    using Writer::close;

    void close( LOG4CXX_CLOSE_WRITER_FORMAL_PARAMETERS ) override;

    using Writer::flush;

    void flush( LOG4CXX_FLUSH_WRITER_FORMAL_PARAMETERS ) override;

    using Writer::write;

    void write( LOG4CXX_WRITE_WRITER_FORMAL_PARAMETERS ) override;

#if LOG4CXX_ABI_VERSION <= 15

    static void write(const LogString& str);

    static void flush();

#endif

  private:

    SystemErrWriter(const SystemErrWriter&);

    SystemErrWriter& operator=(const SystemErrWriter&);

};

} // namespace helpers

}  //namespace log4cxx

#endif //_LOG4CXX_HELPERS_SYSTEMERRWRITER_H