source: pacpusframework/trunk/3rd/apache-log4cxx/include/log4cxx/helpers/inputstream.h@ 178

Last change on this file since 178 was 89, checked in by morasjul, 11 years ago

PACPUS 2.0 Beta deployed in new branch

Major changes:
-Add communication interface between components
-Add examples for communications interface (TestComponents)
-Move to Qt5 support

  • Property svn:executable set to *
File size: 2.4 KB
Line 
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_INPUTSTREAM_H
19#define _LOG4CXX_HELPERS_INPUTSTREAM_H
20
21#include <log4cxx/helpers/objectimpl.h>
22
23namespace log4cxx
24{
25
26 namespace helpers {
27 class ByteBuffer;
28
29 /**
30 * Abstract class for reading from character streams.
31 *
32 */
33 class LOG4CXX_EXPORT InputStream : public ObjectImpl
34 {
35 public:
36 DECLARE_ABSTRACT_LOG4CXX_OBJECT(InputStream)
37 BEGIN_LOG4CXX_CAST_MAP()
38 LOG4CXX_CAST_ENTRY(InputStream)
39 END_LOG4CXX_CAST_MAP()
40
41 protected:
42 InputStream();
43
44 virtual ~InputStream();
45
46 public:
47 /**
48 * Reads a sequence of bytes into the given buffer.
49 *
50 * @param dst The buffer into which bytes are to be transferred.
51 * @return the total number of bytes read into the buffer, or -1 if there
52 * is no more data because the end of the stream has been reached.
53 */
54 virtual int read(ByteBuffer& dst) = 0;
55
56 /**
57 * Closes this input stream and releases any system
58 * resources associated with the stream.
59 */
60 virtual void close() = 0;
61
62 private:
63 InputStream(const InputStream&);
64 InputStream& operator=(const InputStream&);
65 };
66
67 LOG4CXX_PTR_DEF(InputStream);
68 } // namespace helpers
69
70} //namespace log4cxx
71
72#endif //_LOG4CXX_HELPERS_INPUTSTREAM_H
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