Applied-Energistics-2-tiler.../src/main/java/appeng/core/RecipeLoader.java

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/*
* This file is part of Applied Energistics 2.
* Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
*
* Applied Energistics 2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Applied Energistics 2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
*/
package appeng.core;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
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import javax.annotation.Nonnull;
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import com.google.common.base.Preconditions;
import org.apache.commons.io.FileUtils;
import appeng.api.recipes.IRecipeHandler;
import appeng.recipes.CustomRecipeConfig;
import appeng.recipes.loader.ConfigLoader;
import appeng.recipes.loader.JarLoader;
import appeng.recipes.loader.RecipeResourceCopier;
/**
* handles the decision if recipes should be loaded from jar, loaded from file system or force copied from jar
*
* @author thatsIch
* @version rv3 - 12.05.2015
* @since rv3 12.05.2015
*/
public class RecipeLoader implements Runnable
{
/**
* recipe path in the jar
*/
private static final String ASSETS_RECIPE_PATH = "/assets/appliedenergistics2/recipes/";
@Nonnull
private final IRecipeHandler handler;
@Nonnull
private final CustomRecipeConfig config;
@Nonnull
private final File recipeDirectory;
/**
* @param config configuration for the knowledge how to handle the loading process
* @param handler handler to load the recipes
*
* @throws NullPointerException if handler is <tt>null</tt>
*/
public RecipeLoader( @Nonnull final File recipeDirectory, @Nonnull final CustomRecipeConfig config, @Nonnull final IRecipeHandler handler )
{
this.recipeDirectory = Preconditions.checkNotNull( recipeDirectory );
Preconditions.checkArgument( !recipeDirectory.isFile() );
this.config = Preconditions.checkNotNull( config );
this.handler = Preconditions.checkNotNull( handler );
}
@Override
public final void run()
{
if( this.config.isEnabled() )
{
// setup copying
final RecipeResourceCopier copier = new RecipeResourceCopier( "assets/appliedenergistics2/recipes/" );
final File generatedRecipesDir = new File( this.recipeDirectory, "generated" );
final File userRecipesDir = new File( this.recipeDirectory, "user" );
// generates generated and user recipes dir
// will clean the generated every time to keep it up to date
// copies over the recipes in the jar over to the generated folder
// copies over the readmes
try
{
FileUtils.forceMkdir( generatedRecipesDir );
FileUtils.forceMkdir( userRecipesDir );
FileUtils.cleanDirectory( generatedRecipesDir );
copier.copyTo( ".recipe", generatedRecipesDir );
copier.copyTo( ".html", this.recipeDirectory );
// parse recipes prioritising the user scripts by using the generated as template
this.handler.parseRecipes( new ConfigLoader( generatedRecipesDir, userRecipesDir ), "index.recipe" );
}
// on failure use jar parsing
catch( final IOException e )
{
AELog.debug( e );
this.handler.parseRecipes( new JarLoader( ASSETS_RECIPE_PATH ), "index.recipe" );
}
catch( final URISyntaxException e )
{
AELog.debug( e );
this.handler.parseRecipes( new JarLoader( ASSETS_RECIPE_PATH ), "index.recipe" );
}
}
else
{
this.handler.parseRecipes( new JarLoader( ASSETS_RECIPE_PATH ), "index.recipe" );
}
}
}