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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