1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #ifndef _LOG4CXX_HELPERS_SYSTEMERRWRITER_H
19 #define _LOG4CXX_HELPERS_SYSTEMERRWRITER_H
20 
21 #include <log4cxx/helpers/writer.h>
22 
23 namespace log4cxx
24 {
25 namespace helpers
26 {
27 
28 /**
29 *   Abstract class for writing to character streams.
30 */
31 class LOG4CXX_EXPORT SystemErrWriter : public Writer
32 {
33 	public:
34 		DECLARE_LOG4CXX_OBJECT(SystemErrWriter)
35 		BEGIN_LOG4CXX_CAST_MAP()
36 		LOG4CXX_CAST_ENTRY(SystemErrWriter)
37 		LOG4CXX_CAST_ENTRY_CHAIN(Writer)
38 		END_LOG4CXX_CAST_MAP()
39 
40 		SystemErrWriter();
41 		virtual ~SystemErrWriter();
42 
43 		virtual void close(Pool& p);
44 		virtual void flush(Pool& p);
45 		virtual void write(const LogString& str, Pool& p);
46 
47 		static void write(const LogString& str);
48 		static void flush();
49 
50 	private:
51 		SystemErrWriter(const SystemErrWriter&);
52 		SystemErrWriter& operator=(const SystemErrWriter&);
53 		static bool isWide();
54 };
55 
56 } // namespace helpers
57 
58 }  //namespace log4cxx
59 
60 #endif //_LOG4CXX_HELPERS_SYSTEMERRWRITER_H
61