DeflaterOutputStream.h

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _DECAF_UTIL_ZIP_DEFLATEROUTPUTSTREAM_H_
#define _DECAF_UTIL_ZIP_DEFLATEROUTPUTSTREAM_H_
 
#include <decaf/util/Config.h>
 
#include <decaf/io/FilterOutputStream.h>
#include <decaf/io/IOException.h>
#include <decaf/util/zip/Deflater.h>
 
#include <vector>
 
namespace decaf {
namespace util {
namespace zip {
 
    class DECAF_API DeflaterOutputStream : public decaf::io::FilterOutputStream {
    protected:
 
        Deflater* deflater;
 
        std::vector<unsigned char> buf;
 
        bool ownDeflater;
        bool isDone;
 
        static const std::size_t DEFAULT_BUFFER_SIZE;
 
    private:
 
        DeflaterOutputStream(const DeflaterOutputStream&);
        DeflaterOutputStream& operator=(const DeflaterOutputStream&);
 
    public:
 
        DeflaterOutputStream(decaf::io::OutputStream* outputStream, bool own = false);
 
        DeflaterOutputStream(decaf::io::OutputStream* outputStream, Deflater* deflater,
                             bool own = false, bool ownDeflater = false);
 
        DeflaterOutputStream(decaf::io::OutputStream* outputStream, Deflater* deflater,
                             int bufferSize, bool own = false, bool ownDeflater = false);
 
        virtual ~DeflaterOutputStream();
 
        virtual void finish();
 
        virtual void close();
 
    protected:
 
        virtual void doWriteByte(unsigned char value);
 
        virtual void doWriteArrayBounded(const unsigned char* buffer, int size, int offset, int length);
 
    protected:
 
        virtual void deflate();
 
    };
 
}}}
 
#endif /* _DECAF_UTIL_ZIP_DEFLATEROUTPUTSTREAM_H_ */