| 1 | /*
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | * contributor license agreements. See the NOTICE file distributed with
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| 4 | * this work for additional information regarding copyright ownership.
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | * (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 |
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| 18 | #ifndef _LOG4CXX_HELPERS_INPUTSTREAMREADER_H
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| 19 | #define _LOG4CXX_HELPERS_INPUTSTREAMREADER_H
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| 20 |
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| 21 | #include <log4cxx/helpers/reader.h>
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| 22 | #include <log4cxx/helpers/inputstream.h>
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| 23 | #include <log4cxx/helpers/charsetdecoder.h>
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| 24 |
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| 25 | namespace log4cxx
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| 26 | {
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| 27 |
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| 28 | namespace helpers {
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| 29 |
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| 30 | /**
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| 31 | * Class for reading from character streams.
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| 32 | * Decorates a byte based InputStream and provides appropriate
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| 33 | * conversion to characters.
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| 34 | */
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| 35 | class LOG4CXX_EXPORT InputStreamReader : public Reader
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| 36 | {
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| 37 | private:
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| 38 | InputStreamPtr in;
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| 39 | CharsetDecoderPtr dec;
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| 40 |
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| 41 | public:
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| 42 | DECLARE_ABSTRACT_LOG4CXX_OBJECT(InputStreamReader)
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| 43 | BEGIN_LOG4CXX_CAST_MAP()
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| 44 | LOG4CXX_CAST_ENTRY(InputStreamReader)
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| 45 | LOG4CXX_CAST_ENTRY_CHAIN(Reader)
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| 46 | END_LOG4CXX_CAST_MAP()
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| 47 |
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| 48 | /**
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| 49 | * Creates an InputStreamReader that uses the default charset.
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| 50 | *
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| 51 | * @param in The input stream to decorate.
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| 52 | */
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| 53 | InputStreamReader(const InputStreamPtr& in);
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| 54 |
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| 55 | /**
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| 56 | * Creates an InputStreamReader that uses the given charset decoder.
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| 57 | *
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| 58 | * @param in The input stream to decorate.
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| 59 | * @param enc The charset decoder to use for the conversion.
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| 60 | */
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| 61 | InputStreamReader(const InputStreamPtr& in, const CharsetDecoderPtr &enc);
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| 62 |
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| 63 | ~InputStreamReader();
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| 64 |
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| 65 | /**
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| 66 | * Closes the stream.
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| 67 | *
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| 68 | * @param p The memory pool associated with the reader.
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| 69 | */
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| 70 | virtual void close(Pool& p);
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| 71 |
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| 72 | /**
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| 73 | * @return The complete stream contents as a LogString.
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| 74 | * @param p The memory pool associated with the reader.
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| 75 | */
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| 76 | virtual LogString read(Pool& p);
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| 77 |
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| 78 | /**
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| 79 | * @return The name of the character encoding being used by this stream.
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| 80 | */
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| 81 | LogString getEncoding() const;
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| 82 |
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| 83 | private:
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| 84 | InputStreamReader(const InputStreamReader&);
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| 85 |
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| 86 | InputStreamReader& operator=(const InputStreamReader&);
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| 87 | };
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| 88 |
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| 89 | LOG4CXX_PTR_DEF(InputStreamReader);
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| 90 | } // namespace helpers
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| 91 |
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| 92 | } //namespace log4cxx
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| 93 |
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| 94 | #endif //_LOG4CXX_HELPERS_INPUTSTREAMREADER_H
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