00001 /* 00002 * Licensed to the Apache Software Foundation (ASF) under one or more 00003 * contributor license agreements. See the NOTICE file distributed with 00004 * this work for additional information regarding copyright ownership. 00005 * The ASF licenses this file to You under the Apache License, Version 2.0 00006 * (the "License"); you may not use this file except in compliance with 00007 * the License. You may obtain a copy of the License at 00008 * 00009 * http://www.apache.org/licenses/LICENSE-2.0 00010 * 00011 * Unless required by applicable law or agreed to in writing, software 00012 * distributed under the License is distributed on an "AS IS" BASIS, 00013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00014 * See the License for the specific language governing permissions and 00015 * limitations under the License. 00016 */ 00017 00018 #ifndef _DECAF_UTIL_ZIP_CHECKEDOUTPUTSTREAM_H_ 00019 #define _DECAF_UTIL_ZIP_CHECKEDOUTPUTSTREAM_H_ 00020 00021 #include <decaf/util/Config.h> 00022 #include <decaf/util/zip/Checksum.h> 00023 #include <decaf/io/FilterOutputStream.h> 00024 00025 namespace decaf { 00026 namespace util { 00027 namespace zip { 00028 00036 class DECAF_API CheckedOutputStream : public decaf::io::FilterOutputStream { 00037 private: 00038 00039 // The Checksom instance used by this stream, not owned by the stream. 00040 Checksum* sum; 00041 00042 private: 00043 00044 CheckedOutputStream( const CheckedOutputStream& ); 00045 CheckedOutputStream& operator= ( const CheckedOutputStream& ); 00046 00047 public: 00048 00061 CheckedOutputStream( decaf::io::OutputStream* outputStream, Checksum* sum, bool own = false ); 00062 00063 virtual ~CheckedOutputStream(); 00064 00068 Checksum* getChecksum() const { 00069 return this->sum; 00070 } 00071 00072 protected: 00073 00074 virtual void doWriteByte( unsigned char value ); 00075 00076 virtual void doWriteArrayBounded( const unsigned char* buffer, int size, int offset, int length ); 00077 00078 }; 00079 00080 }}} 00081 00082 #endif /* _DECAF_UTIL_ZIP_CHECKEDOUTPUTSTREAM_H_ */
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