src/main/decaf/io/DataOutputStream.h

Go to the documentation of this file.

/*
 * 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_IO_DATAOUTPUTSTREAM_H_
#define _DECAF_IO_DATAOUTPUTSTREAM_H_

#include <decaf/io/FilterOutputStream.h>
#include <decaf/io/IOException.h>
#include <decaf/io/UTFDataFormatException.h>
#include <string>

namespace decaf{
namespace io{

    class DECAF_API DataOutputStream : public FilterOutputStream {
    protected:

        // The number of bytes written to the data output stream so far.
        long long written;

        // Buffer used for storing byte values to write to the stream
        unsigned char buffer[8];

    private:

        DataOutputStream( const DataOutputStream& );
        DataOutputStream& operator= ( const DataOutputStream& );

    public:

        DataOutputStream( OutputStream* outputStream, bool own = false );

        virtual ~DataOutputStream();

        virtual long long size() const {
            return written;
        }

        virtual void writeBoolean( bool value );

       virtual void writeByte( unsigned char value );

        virtual void writeShort( short value );

        virtual void writeUnsignedShort( unsigned short value );

        virtual void writeChar( char value );

        virtual void writeInt( int value );

        virtual void writeLong( long long value );

        virtual void writeFloat( float value );

        virtual void writeDouble( double value );

        virtual void writeBytes( const std::string& value );

        virtual void writeChars( const std::string& value );

        virtual void writeUTF( const std::string& value );

    protected:

        virtual void doWriteByte( unsigned char value );

        virtual void doWriteArrayBounded( const unsigned char* buffer, int size, int offset, int length );

    private:

        // Determine the encoded length of a string when written as modified UTF-8
        unsigned int countUTFLength( const std::string& value );

    };

}}

#endif /*_DECAF_IO_DATAOUTPUTSTREAM_H_*/