modules/cldc-compact/src/main/java/cc/squirreljme/runtime/cldc/util/UnsignedByteIntegerArray.java

   1 // -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the GNU General Public License v3+, or later.
   7 // See license.mkd for licensing and copyright information.
   8 // ---------------------------------------------------------------------------
   9
  10 package cc.squirreljme.runtime.cldc.util;
  11
  12 /**
  13  * Wraps a byte array to provide unsigned integer access to it.
  14  *
  15  * @see ByteIntegerArray
  16  * @since 2021/07/12
  17  */
  18 public final class UnsignedByteIntegerArray
  19         implements IntegerArray
  20 {
  21         /** The backed array. */
  22         protected final byte[] array;
  23
  24         /**
  25          * Initializes the array wrapper.
  26          *
  27          * @param __a The array to wrap.
  28          * @throws NullPointerException On null arguments.
  29          * @since 2021/07/12
  30          */
  31         public UnsignedByteIntegerArray(byte[] __a)
  32                 throws NullPointerException
  33         {
  34                 if (__a == null)
  35                         throw new NullPointerException("NARG");
  36
  37                 this.array = __a;
  38         }
  39
  40         /**
  41          * {@inheritDoc}
  42          * @since 2021/07/12
  43          */
  44         @SuppressWarnings("MagicNumber")
  45         @Override
  46         public final int get(int __i)
  47         {
  48                 return this.array[__i] & 0xFF;
  49         }
  50
  51         /**
  52          * {@inheritDoc}
  53          * @since 2021/07/12
  54          */
  55         @Override
  56         public final void set(int __i, int __v)
  57         {
  58                 this.array[__i] = (byte)__v;
  59         }
  60
  61         /**
  62          * {@inheritDoc}
  63          * @since 2021/07/12
  64          */
  65         @Override
  66         public final int size()
  67         {
  68                 return this.array.length;
  69         }
  70 }
  71