/*
    * Copyright 2015 The Netty Project
    *
    * The Netty Project 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:
    *
    *   https://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.
   */
  package io.netty.buffer;
  
  import io.netty.util.internal.PlatformDependent;
  
  /**
   * Big endian Java heap buffer implementation. It is recommended to use
   * {@link UnpooledByteBufAllocator#heapBuffer(int, int)}, {@link Unpooled#buffer(int)} and
   * {@link Unpooled#wrappedBuffer(byte[])} instead of calling the constructor explicitly.
   */
  public class UnpooledUnsafeHeapByteBuf extends UnpooledHeapByteBuf {
  
      /**
       * Creates a new heap buffer with a newly allocated byte array.
       *
       * @param initialCapacity the initial capacity of the underlying byte array
       * @param maxCapacity the max capacity of the underlying byte array
       */
      public UnpooledUnsafeHeapByteBuf(ByteBufAllocator alloc, int initialCapacity, int maxCapacity) {
          super(alloc, initialCapacity, maxCapacity);
      }
  
      @Override
      protected byte[] allocateArray(int initialCapacity) {
          return PlatformDependent.allocateUninitializedArray(initialCapacity);
      }
  
      @Override
      public byte getByte(int index) {
          checkIndex(index);
          return _getByte(index);
      }
  
      @Override
      protected byte _getByte(int index) {
          return UnsafeByteBufUtil.getByte(array, index);
      }
  
      @Override
      public short getShort(int index) {
          checkIndex(index, 2);
          return _getShort(index);
      }
  
      @Override
      protected short _getShort(int index) {
          return UnsafeByteBufUtil.getShort(array, index);
      }
  
      @Override
      public short getShortLE(int index) {
          checkIndex(index, 2);
          return _getShortLE(index);
      }
  
      @Override
      protected short _getShortLE(int index) {
          return UnsafeByteBufUtil.getShortLE(array, index);
      }
  
      @Override
      public int getUnsignedMedium(int index) {
          checkIndex(index, 3);
          return _getUnsignedMedium(index);
      }
  
      @Override
      protected int _getUnsignedMedium(int index) {
          return UnsafeByteBufUtil.getUnsignedMedium(array, index);
      }
  
      @Override
      public int getUnsignedMediumLE(int index) {
          checkIndex(index, 3);
          return _getUnsignedMediumLE(index);
      }
  
      @Override
      protected int _getUnsignedMediumLE(int index) {
          return UnsafeByteBufUtil.getUnsignedMediumLE(array, index);
      }
  
      @Override
      public int getInt(int index) {
          checkIndex(index, 4);
         return _getInt(index);
     }
 
     @Override
     protected int _getInt(int index) {
         return UnsafeByteBufUtil.getInt(array, index);
     }
 
     @Override
     public int getIntLE(int index) {
         checkIndex(index, 4);
         return _getIntLE(index);
     }
 
     @Override
     protected int _getIntLE(int index) {
         return UnsafeByteBufUtil.getIntLE(array, index);
     }
 
     @Override
     public long getLong(int index) {
         checkIndex(index, 8);
         return _getLong(index);
     }
 
     @Override
     protected long _getLong(int index) {
         return UnsafeByteBufUtil.getLong(array, index);
     }
 
     @Override
     public long getLongLE(int index) {
         checkIndex(index, 8);
         return _getLongLE(index);
     }
 
     @Override
     protected long _getLongLE(int index) {
         return UnsafeByteBufUtil.getLongLE(array, index);
     }
 
     @Override
     public ByteBuf setByte(int index, int value) {
         checkIndex(index);
         _setByte(index, value);
         return this;
     }
 
     @Override
     protected void _setByte(int index, int value) {
         UnsafeByteBufUtil.setByte(array, index, value);
     }
 
     @Override
     public ByteBuf setShort(int index, int value) {
         checkIndex(index, 2);
         _setShort(index, value);
         return this;
     }
 
     @Override
     protected void _setShort(int index, int value) {
         UnsafeByteBufUtil.setShort(array, index, value);
     }
 
     @Override
     public ByteBuf setShortLE(int index, int value) {
         checkIndex(index, 2);
         _setShortLE(index, value);
         return this;
     }
 
     @Override
     protected void _setShortLE(int index, int value) {
         UnsafeByteBufUtil.setShortLE(array, index, value);
     }
 
     @Override
     public ByteBuf setMedium(int index, int   value) {
         checkIndex(index, 3);
         _setMedium(index, value);
         return this;
     }
 
     @Override
     protected void _setMedium(int index, int value) {
         UnsafeByteBufUtil.setMedium(array, index, value);
     }
 
     @Override
     public ByteBuf setMediumLE(int index, int   value) {
         checkIndex(index, 3);
         _setMediumLE(index, value);
         return this;
     }
 
     @Override
     protected void _setMediumLE(int index, int value) {
         UnsafeByteBufUtil.setMediumLE(array, index, value);
     }
 
     @Override
     public ByteBuf setInt(int index, int   value) {
         checkIndex(index, 4);
         _setInt(index, value);
         return this;
     }
 
     @Override
     protected void _setInt(int index, int value) {
         UnsafeByteBufUtil.setInt(array, index, value);
     }
 
     @Override
     public ByteBuf setIntLE(int index, int   value) {
         checkIndex(index, 4);
         _setIntLE(index, value);
         return this;
     }
 
     @Override
     protected void _setIntLE(int index, int value) {
         UnsafeByteBufUtil.setIntLE(array, index, value);
     }
 
     @Override
     public ByteBuf setLong(int index, long  value) {
         checkIndex(index, 8);
         _setLong(index, value);
         return this;
     }
 
     @Override
     protected void _setLong(int index, long value) {
         UnsafeByteBufUtil.setLong(array, index, value);
     }
 
     @Override
     public ByteBuf setLongLE(int index, long  value) {
         checkIndex(index, 8);
         _setLongLE(index, value);
         return this;
     }
 
     @Override
     protected void _setLongLE(int index, long value) {
         UnsafeByteBufUtil.setLongLE(array, index, value);
     }
 
     @Override
     public ByteBuf setZero(int index, int length) {
         if (PlatformDependent.javaVersion() >= 7) {
             // Only do on java7+ as the needed Unsafe call was only added there.
             checkIndex(index, length);
             UnsafeByteBufUtil.setZero(array, index, length);
             return this;
         }
         return super.setZero(index, length);
     }
 
     @Override
     public ByteBuf writeZero(int length) {
         if (PlatformDependent.javaVersion() >= 7) {
             // Only do on java7+ as the needed Unsafe call was only added there.
             ensureWritable(length);
             int wIndex = writerIndex;
             UnsafeByteBufUtil.setZero(array, wIndex, length);
             writerIndex = wIndex + length;
             return this;
         }
         return super.writeZero(length);
     }
 
     @Override
     @Deprecated
     protected SwappedByteBuf newSwappedByteBuf() {
         if (PlatformDependent.isUnaligned()) {
             // Only use if unaligned access is supported otherwise there is no gain.
             return new UnsafeHeapSwappedByteBuf(this);
         }
         return super.newSwappedByteBuf();
     }
 }