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.NativeArchiveBracket;
import cc.squirreljme.jvm.mle.exceptions.MLECallError;
import cc.squirreljme.runtime.cldc.debug.Debugging;
import java.io.Closeable;
import java.io.IOException;
import net.multiphasicapps.zip.blockreader.ZipBlockEntry;
import net.multiphasicapps.zip.blockreader.ZipBlockReader;

/**
 * Bracket for emulated memory mapped Zips.
 *
 * @since 2024/03/05
 */
public class EmulatedNativeZipArchiveBracket
    extends EmulatedNativeArchiveBracket
{
    /** The emulated Zip. */
    protected final ZipBlockReader zip;
    
    /**
     * Initializes the emulated Zip bracket.
     *
     * @param __zip The Zip to access.
     * @throws NullPointerException On null arguments.
     * @since 2024/03/05
     */
    public EmulatedNativeZipArchiveBracket(ZipBlockReader __zip)
        throws NullPointerException
    {
        if (__zip == null)
            throw new NullPointerException("NARG");
        
        this.zip = __zip;
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/03/05
     */
    @Override
    public void close()
        throws IOException
    {
        this.zip.close();
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/03/05
     */
    @Override
    protected EmulatedNativeArchiveEntryBracket entry(String __name)
        throws MLECallError
    {
        if (__name == null)
            throw new MLECallError("Null arguments.");
        
        try
        {
            ZipBlockEntry entry = this.zip.get(__name);
            if (entry == null)
                return null;
            
            return new EmulatedNativeZipArchiveEntryBracket(entry);
        }
        catch (IOException __e)
        {
            throw new MLECallError("Could not read Zip archive.", __e);
        }
    }
}