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 net.multiphasicapps.squirrelquarrel.util;

import java.io.DataOutputStream;
import java.io.IOException;
import java.io.OutputStream;

/**
 * This allows for easier writing to the replay output without requiring that
 * {@link IOException} be caught each time.
 *
 * @since 2018/03/19
 */
public final class ReplayOutputStream
{
    /** The stream to write to. */
    protected final DataOutputStream out;
    
    /**
     * Initializes the output stream.
     *
     * @param __out The stream to write to.
     * @throws NullPointerException On null arguments.
     * @since 2018/03/19
     */
    public ReplayOutputStream(OutputStream __out)
        throws NullPointerException
    {
        if (__out == null)
            throw new NullPointerException("NARG");
        
        this.out = (__out instanceof DataOutputStream ?
            (DataOutputStream)__out : new DataOutputStream(__out));
    }
    
    /**
     * Writes a byte value.
     *
     * @param __v The value to write.
     * @throws ReplayIOException If it could not be written.
     * @since 2018/03/19
     */
    public void writeByte(int __v)
        throws ReplayIOException
    {
        try
        {
            this.out.writeByte(__v);
        }
        
        /* {@squirreljme.error BE0l Could not write the byte value.
        (The value to write)} */
        catch (IOException e)
        {
            throw new ReplayIOException(String.format("BE0l %d", __v), e);
        }
    }
    
    /**
     * Writes an integer value.
     *
     * @param __v The value to write.
     * @throws ReplayIOException If it could not be written.
     * @since 2018/03/19
     */
    public void writeInt(int __v)
        throws ReplayIOException
    {
        try
        {
            this.out.writeInt(__v);
        }
        
        /* {@squirreljme.error BE0m Could not write the integer value.
        (The value to write)} */
        catch (IOException e)
        {
            throw new ReplayIOException(String.format("BE0m %d", __v), e);
        }
    }
    
    /**
     * Writes a long value.
     *
     * @param __v The value to write.
     * @throws ReplayIOException If it could not be written.
     * @since 2018/03/19
     */
    public void writeLong(long __v)
        throws ReplayIOException
    {
        try
        {
            this.out.writeInt((int)(__v >> 32));
            this.out.writeInt((int)__v);
        }
        
        /* {@squirreljme.error BE0n Could not write the long value.
        (The value to write)} */
        catch (IOException e)
        {
            throw new ReplayIOException(String.format("BE0n %d", __v), e);
        }
    }
}