SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: 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 cc.squirreljme.emulator;

import cc.squirreljme.jvm.mle.brackets.PipeBracket;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * Not Described.
 *
 * @since 2022/03/19
 */
public class EmulatedPipeBracket
    implements Closeable, PipeBracket
{
    /** The input pipe. */
    final InputStream _in;
    
    /** The output pipe. */
    final OutputStream _out;
    
    /**
     * Initializes an emulated pipe bracket.
     * 
     * @param __in The stream to read from.
     * @throws NullPointerException On null arguments.
     * @since 2022/03/19
     */
    public EmulatedPipeBracket(InputStream __in)
        throws NullPointerException
    {
        if (__in == null)
            throw new NullPointerException("NARG");
        
        this._in = __in;
        this._out = null;
    }
    
    /**
     * Initializes an emulated pipe bracket.
     * 
     * @param __out The stream to write to.
     * @throws NullPointerException On null arguments.
     * @since 2022/03/19
     */
    public EmulatedPipeBracket(OutputStream __out)
        throws NullPointerException
    {
        if (__out == null)
            throw new NullPointerException("NARG");
        
        this._in = null;
        this._out = __out;
    }
    
    /**
     * {@inheritDoc}
     * @since 2022/03/19
     */
    @Override
    public void close()
        throws IOException
    {
        if (this._in != null)
            this._in.close();
        
        if (this._out != null)
            this._out.close();
    }
}