SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package java.util;

/**
 * This wraps the given array as a list for {@link Arrays#asList(Object[])}.
 *
 * @since 2016/08/31
 */
final class __ArraysList__<T>
    extends AbstractList<T>
    implements RandomAccess
{
    /** The array length. */
    protected final int length;
    
    /** The wrapped array. */
    private final T[] _wrapped;
    
    /**
     * Initializes the wrapped array.
     *
     * @param __v The array to wrap.
     * @throws NullPointerException On null arguments.
     * @since 2016/08/31
     */
    __ArraysList__(T[] __v)
        throws NullPointerException
    {
        // Check
        if (__v == null)
            throw new NullPointerException("NARG");
        
        // Set
        this._wrapped = __v;
        this.length = __v.length;
    }
    
    /**
     * {@inheritDoc}
     * @since 2016/08/31
     */
    @Override
    public T get(int __i)
    {
        return this._wrapped[__i];
    }
    
    /**
     * {@inheritDoc}
     * @since 2016/08/31
     */
    @Override
    public T set(int __i, T __v)
    {
        T[] wrapped = this._wrapped;
        T rv = wrapped[__i];
        wrapped[__i] = __v;
        return rv;
    }
    
    /**
     * {@inheritDoc}
     * @since 2016/08/31
     */
    @Override
    public int size()
    {
        return this.length;
    }
}