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 com.docomostar;

import cc.squirreljme.jvm.launch.IModeApplication;
import cc.squirreljme.runtime.cldc.annotation.SquirrelJMEVendorApi;
import cc.squirreljme.runtime.cldc.debug.Debugging;
import cc.squirreljme.runtime.midlet.ApplicationHandler;
import cc.squirreljme.runtime.midlet.ApplicationInterface;
import cc.squirreljme.runtime.midlet.ApplicationType;
import java.util.Objects;

/**
 * Handles launching and handling of Star Applications.
 *
 * @since 2022/02/28
 */
@SquirrelJMEVendorApi
final class __StarInterface__
    implements ApplicationInterface<StarApplication>
{
    /** Main application class. */
    protected final String mainClass;
    
    /** Arguments to the class. */
    private final String[] _args;
    
    /**
     * Initializes the Star interface.
     * 
     * @param __mainClass The main class.
     * @param __args The application arguments.
     * @throws NullPointerException On null arguments.
     * @since 2022/02/28
     */
    @SquirrelJMEVendorApi
    __StarInterface__(String __mainClass, String... __args)
        throws NullPointerException
    {
        if (__mainClass == null)
            throw new NullPointerException("NARG");
        
        this.mainClass = __mainClass;
        this._args = __args;
    }
    
    /**
     * {@inheritDoc}
     * @since 2022/02/28
     */
    @Override
    @SquirrelJMEVendorApi
    public void destroy(StarApplication __instance, Throwable __thrown)
        throws NullPointerException, Throwable
    {
        if (__instance == null)
            throw new NullPointerException("NARG");
        
        // Unlike DoJa, the terminate handler must handle cleanup as it does
        // the true application termination
        __instance._terminateException = __thrown;
        __instance.terminate();
    }
    
    /**
     * {@inheritDoc}
     * @since 2022/02/28
     */
    @Override
    @SquirrelJMEVendorApi
    public StarApplication newInstance()
        throws Throwable
    {
        // Load application details
        synchronized (StarApplicationManager.class)
        {
            StarApplicationManager._appArgs = this._args;
        }
        
        // Main class for entry
        String mainClass = this.mainClass;
        
        // Load the suite and vendor which is needed for RMS to properly
        // identify our own records
        String appName = System.getProperty(IModeApplication.NAME_PROPERTY);
        String appVend = System.getProperty(IModeApplication.VENDOR_PROPERTY);
        ApplicationHandler.setNameAndVendor(
            Objects.toString(appName, mainClass),
            Objects.toString(appVend, "SquirrelJME-Star"));
        
        // Locate the main class before we initialize it
        Class<?> classType;
        try
        {
            classType = Class.forName(mainClass);
        }
        catch (ClassNotFoundException e)
        {
            /* {@squirreljme.error AN02 Could not find main Star class.
            (Class)} */
            throw new RuntimeException(String.format(
                "AN02 %s", mainClass), e);
        }
        
        // Create instance of the MIDlet
        try
        {
            // Create it
            Object rawInstance = classType.newInstance();
            
            // Catch class casts here because if there is one while the
            // instance is being created it will not be erroneously caught
            try
            {
                return (StarApplication)rawInstance;
            }
            catch (ClassCastException e)
            {
                /* {@squirreljme.error AN04 Class not a StarApplication.} */
                throw new RuntimeException("AN04", e);
            }
        }
        catch (IllegalAccessException|InstantiationException e)
        {
            /* {@squirreljme.error AN03 Could not instantiate class.} */
            throw new RuntimeException("AN03", e);
        }
    }
    
    /**
     * {@inheritDoc}
     * @since 2022/02/28
     */
    @Override
    @SquirrelJMEVendorApi
    public void startApp(StarApplication __instance)
        throws NullPointerException, Throwable
    {
        if (__instance == null)
            throw new NullPointerException("NARG");
        
        // Start the application
        __instance.started(StarApplication.LAUNCHED_FROM_LAUNCHER);
    }
    
    /**
     * {@inheritDoc}
     * @since 2022/07/21
     */
    @Override
    @SquirrelJMEVendorApi
    public ApplicationType type()
    {
        return ApplicationType.NTT_DOCOMO_STAR;
    }
}