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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2014 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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 * file and include the License file at packager/legal/LICENSE.txt.
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package com.pdd.pop.ext.glassfish.grizzly.memory;

import java.nio.ByteBuffer;
import java.nio.ReadOnlyBufferException;
import com.pdd.pop.ext.glassfish.grizzly.Buffer;

/**
 * Read-only {@link HeapBuffer implementation}.
 *
 * @since 2.0
 */
class ReadOnlyHeapBuffer extends HeapBuffer {


    // ------------------------------------------------------------ Constructors


    ReadOnlyHeapBuffer(byte[] heap, int offset, int cap) {
        super(heap, offset, cap);
    }


    // ------------------------------------------------- Methods from HeapBuffer


    @Override
    public HeapBuffer asReadOnlyBuffer() {
        return this;
    }

    @Override
    public boolean isReadOnly() {
        return true;
    }

    @Override
    public HeapBuffer prepend(Buffer header) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer put(int index, byte b) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer put(Buffer src) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer put(Buffer src, int position, int length) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public Buffer put(ByteBuffer src) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public Buffer put(ByteBuffer src, int position, int length) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer put(byte b) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer put(byte[] src) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer put(byte[] src, int offset, int length) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putChar(char value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putChar(int index, char value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putShort(short value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putShort(int index, short value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putInt(int value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putInt(int index, int value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putLong(long value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putLong(int index, long value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putFloat(float value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putFloat(int index, float value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putDouble(double value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    public HeapBuffer putDouble(int index, double value) {
        throw new ReadOnlyBufferException();
    }

    @Override
    protected HeapBuffer createHeapBuffer(final int offset, final int capacity) {
        return new ReadOnlyHeapBuffer(heap, offset, capacity);
    }

    @Override
    public ByteBuffer toByteBuffer() {
        return super.toByteBuffer().asReadOnlyBuffer();
    }

    @Override
    public ByteBuffer toByteBuffer(int position, int limit) {
        return super.toByteBuffer(position, limit).asReadOnlyBuffer();
    }
}