| 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_OBJECTOUTPUTSTREAM_H
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| 19 | #define _LOG4CXX_HELPERS_OBJECTOUTPUTSTREAM_H
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| 20 |
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| 21 | #include <log4cxx/helpers/objectimpl.h>
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| 22 | #include <log4cxx/mdc.h>
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| 23 | #include <log4cxx/helpers/outputstream.h>
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| 24 | #include <log4cxx/helpers/charsetencoder.h>
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| 25 |
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| 26 | namespace log4cxx
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| 27 | {
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| 28 |
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| 29 | namespace helpers {
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| 30 |
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| 31 | /**
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| 32 | * Emulates java serialization.
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| 33 | */
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| 34 | class LOG4CXX_EXPORT ObjectOutputStream : public ObjectImpl
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| 35 | {
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| 36 | public:
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| 37 | DECLARE_ABSTRACT_LOG4CXX_OBJECT(ObjectOutputStream)
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| 38 | BEGIN_LOG4CXX_CAST_MAP()
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| 39 | LOG4CXX_CAST_ENTRY(ObjectOutputStream)
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| 40 | END_LOG4CXX_CAST_MAP()
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| 41 |
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| 42 | ObjectOutputStream(OutputStreamPtr os, Pool& p);
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| 43 | virtual ~ObjectOutputStream();
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| 44 |
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| 45 | void close(Pool& p);
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| 46 | void flush(Pool& p);
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| 47 | void writeObject(const LogString&, Pool& p);
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| 48 | void writeUTFString(const std::string&, Pool& p);
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| 49 | void writeObject(const MDC::Map& mdc, Pool& p);
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| 50 | void writeInt(int val, Pool& p);
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| 51 | void writeLong(log4cxx_time_t val, Pool& p);
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| 52 | void writeProlog(const char* className,
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| 53 | int classDescIncrement,
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| 54 | char* bytes,
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| 55 | size_t len,
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| 56 | Pool& p);
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| 57 | void writeNull(Pool& p);
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| 58 |
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| 59 | enum { STREAM_MAGIC = 0xACED };
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| 60 | enum { STREAM_VERSION = 5 };
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| 61 | enum { TC_NULL = 0x70,
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| 62 | TC_REFERENCE = 0x71,
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| 63 | TC_CLASSDESC = 0x72,
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| 64 | TC_OBJECT = 0x73,
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| 65 | TC_STRING = 0x74,
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| 66 | TC_ARRAY = 0x75,
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| 67 | TC_CLASS = 0x76,
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| 68 | TC_BLOCKDATA = 0x77,
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| 69 | TC_ENDBLOCKDATA = 0x78 };
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| 70 | enum {
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| 71 | SC_WRITE_METHOD = 0x01,
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| 72 | SC_SERIALIZABLE = 0x02 };
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| 73 |
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| 74 | void writeByte(char val, Pool& p);
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| 75 | void writeBytes(const char* bytes, size_t len, Pool& p);
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| 76 |
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| 77 | private:
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| 78 | ObjectOutputStream(const ObjectOutputStream&);
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| 79 | ObjectOutputStream& operator=(const ObjectOutputStream&);
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| 80 |
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| 81 | OutputStreamPtr os;
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| 82 | log4cxx::helpers::CharsetEncoderPtr utf8Encoder;
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| 83 | unsigned int objectHandle;
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| 84 | typedef std::map<std::string, unsigned int> ClassDescriptionMap;
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| 85 | ClassDescriptionMap* classDescriptions;
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| 86 | };
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| 87 |
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| 88 | LOG4CXX_PTR_DEF(ObjectOutputStream);
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| 89 |
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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_OUTPUTSTREAM_H
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| 95 |
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