ByteArrayBuffer.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_INTERNAL_NIO_BYTEBUFFER_H_
#define _DECAF_INTERNAL_NIO_BYTEBUFFER_H_

#include <decaf/nio/ByteBuffer.h>
#include <decaf/lang/exceptions/NullPointerException.h>
#include <decaf/lang/exceptions/IndexOutOfBoundsException.h>
#include <decaf/lang/exceptions/IllegalArgumentException.h>
#include <decaf/nio/BufferUnderflowException.h>
#include <decaf/nio/BufferOverflowException.h>
#include <decaf/nio/ReadOnlyBufferException.h>
#include <decaf/internal/util/ByteArrayAdapter.h>

#include <decaf/nio/CharBuffer.h>
#include <decaf/nio/DoubleBuffer.h>
#include <decaf/nio/FloatBuffer.h>
#include <decaf/nio/ShortBuffer.h>
#include <decaf/nio/IntBuffer.h>
#include <decaf/nio/LongBuffer.h>

#include <decaf/lang/Pointer.h>

namespace decaf{
namespace internal{
namespace nio{

    using decaf::internal::util::ByteArrayAdapter;

    class DECAF_API ByteArrayBuffer : public decaf::nio::ByteBuffer {
    private:

        // The reference array object that backs this buffer.
        decaf::lang::Pointer<ByteArrayAdapter> _array;

        // Offset into the array that we are to start from
        int offset;

        // The number of bytes we are limited to.
        int length;

        // Read / Write flag
        bool readOnly;

    public:

        ByteArrayBuffer( int capacity, bool readOnly = false );

        ByteArrayBuffer( unsigned char* array, int size, int offset, int length,
                         bool readOnly = false );

        ByteArrayBuffer( const decaf::lang::Pointer<ByteArrayAdapter>& array,
                         int offset, int length, bool readOnly = false );

        ByteArrayBuffer( const ByteArrayBuffer& other );

        virtual ~ByteArrayBuffer();

    public:

        virtual bool isReadOnly() const {
            return this->readOnly;
        }

        virtual unsigned char* array();

        virtual int arrayOffset() const;

        virtual bool hasArray() const { return true; }

    public:   // Abstract Methods

        virtual decaf::nio::CharBuffer* asCharBuffer() const { return NULL; } //TODO

        virtual decaf::nio::DoubleBuffer* asDoubleBuffer() const { return NULL; } //TODO

        virtual decaf::nio::FloatBuffer* asFloatBuffer() const { return NULL; } //TODO

        virtual decaf::nio::IntBuffer* asIntBuffer() const { return NULL; } //TODO

        virtual decaf::nio::LongBuffer* asLongBuffer() const { return NULL; } //TODO

        virtual decaf::nio::ShortBuffer* asShortBuffer() const { return NULL; } //TODO

        virtual ByteArrayBuffer* asReadOnlyBuffer() const;

        virtual ByteArrayBuffer& compact();

        virtual ByteArrayBuffer* duplicate();

        virtual unsigned char get() const;

        virtual unsigned char get( int index ) const;

        virtual char getChar() {
            return (char)this->get();
        }

        virtual char getChar( int index ) const {

            return (char)this->get( index );
        }

        virtual double getDouble();

        virtual double getDouble( int index ) const;

        virtual float getFloat();

        virtual float getFloat( int index ) const;

        virtual long long getLong();

        virtual long long getLong( int index ) const;

        virtual int getInt();

        virtual int getInt( int index ) const;

        virtual short getShort();

        virtual short getShort( int index ) const;

        virtual ByteArrayBuffer& put( unsigned char value );

        virtual ByteArrayBuffer& put( int index, unsigned char value );

        virtual ByteArrayBuffer& putChar( char value );

        virtual ByteArrayBuffer& putChar( int index, char value );

        virtual ByteArrayBuffer& putDouble( double value );

        virtual ByteArrayBuffer& putDouble( int index, double value );

        virtual ByteArrayBuffer& putFloat( float value );

        virtual ByteArrayBuffer& putFloat( int index, float value );

        virtual ByteArrayBuffer& putLong( long long value );

        virtual ByteArrayBuffer& putLong( int index, long long value );

        virtual ByteArrayBuffer& putInt( int value );

        virtual ByteArrayBuffer& putInt( int index, int value );

        virtual ByteArrayBuffer& putShort( short value );

        virtual ByteArrayBuffer& putShort( int index, short value );

        virtual ByteArrayBuffer* slice() const;

    protected:

        virtual void setReadOnly( bool value ) {
            this->readOnly = value;
        }

    };

}}}

#endif /*_DECAF_INTERNAL_NIO_BYTEBUFFER_H_*/