Applied-Energistics-2-tiler.../src/main/java/appeng/recipes/loader/ConfigLoader.java

58 lines
2 KiB
Java

/*
* 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.recipes.loader;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import javax.annotation.Nonnull;
import com.google.common.base.Preconditions;
import appeng.api.recipes.IRecipeLoader;
public final class ConfigLoader implements IRecipeLoader
{
private final File generatedRecipesDir;
private final File userRecipesDir;
public ConfigLoader( File generatedRecipesDir, File userRecipesDir )
{
this.generatedRecipesDir = generatedRecipesDir;
this.userRecipesDir = userRecipesDir;
}
@Override
public BufferedReader getFile( @Nonnull String relativeFilePath ) throws Exception
{
Preconditions.checkNotNull( relativeFilePath );
Preconditions.checkArgument( !relativeFilePath.isEmpty(), "Supplying an empty String will result creating a reader of a folder." );
final File generatedFile = new File( this.generatedRecipesDir, relativeFilePath );
final File userFile = new File( this.userRecipesDir, relativeFilePath );
final File toBeLoaded = ( userFile.exists() && userFile.isFile() ) ? userFile : generatedFile;
return new BufferedReader( new InputStreamReader( new FileInputStream( toBeLoaded ), "UTF-8" ) );
}
}