package com.nincraft.modpackdownloader.util;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

import com.nincraft.modpackdownloader.container.Mod;

import lombok.val;
import lombok.experimental.UtilityClass;
import lombok.extern.log4j.Log4j2;

@Log4j2
@UtilityClass
public final class FileSystemHelper {

	public static void createFolder(final String folder) {
		if (folder != null) {
			final File dir = new File(folder);
			if (!dir.exists()) {
				dir.mkdirs();
			}
		}
	}

	public static void copyToLocalRepo(final String projectName, final File downloadedFile) {
		val newProjectName = getProjectNameOrDefault(projectName);

		try {
			FileUtils.copyFileToDirectory(downloadedFile, new File(Reference.userhome + newProjectName));
		} catch (final IOException e) {
			log.error(String.format("Could not copy %s to local repo.", newProjectName), e);
		}
	}

	public static void copyFromLocalRepo(final String projectName, final String fileName, final String folder) {
		val newProjectName = getProjectNameOrDefault(projectName);

		try {
			FileUtils.copyFileToDirectory(getLocalFile(fileName, newProjectName), new File(folder));
		} catch (final IOException e) {
			log.error(String.format("Could not copy %s from local repo.", newProjectName), e);
		}
	}

	public static boolean isInLocalRepo(final String projectName, final String fileName) {
		return getLocalFile(fileName, getProjectNameOrDefault(projectName)).exists();
	}

	public static File getDownloadedFile(final String fileName) {
		if (Reference.modFolder != null) {
			createFolder(Reference.modFolder);
			return new File(Reference.modFolder + File.separator + fileName);
		} else {
			return new File(fileName);
		}
	}

	public static String getProjectNameOrDefault(final String projectName) {
		return projectName != null ? projectName : "thirdParty";
	}

	public static File getLocalFile(final String fileName, final String newProjectName) {
		return new File(Reference.userhome + newProjectName + File.separator + fileName);
	}
}

package com.nincraft.modpackdownloader.util;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

import lombok.val;
import lombok.experimental.UtilityClass;
import lombok.extern.log4j.Log4j2;

@Log4j2
@UtilityClass
public final class FileSystemHelper {

	public static void createFolder(final String folder) {
		if (folder != null) {
			final File dir = new File(folder);
			if (!dir.exists()) {
				dir.mkdirs();
			}
		}
	}

	public static void copyToLocalRepo(final String projectName, final File downloadedFile) {
		val newProjectName = getProjectNameOrDefault(projectName);

		try {
			FileUtils.copyFileToDirectory(downloadedFile, new File(Reference.userhome + newProjectName));
		} catch (final IOException e) {
			log.error(String.format("Could not copy %s to local repo.", newProjectName), e);
		}
	}

	public static void copyFromLocalRepo(final String projectName, final String fileName, final String folder) {
		val newProjectName = getProjectNameOrDefault(projectName);

		try {
			FileUtils.copyFileToDirectory(getLocalFile(fileName, newProjectName), new File(folder));
		} catch (final IOException e) {
			log.error(String.format("Could not copy %s from local repo.", newProjectName), e);
		}
	}

	public static boolean isInLocalRepo(final String projectName, final String fileName) {
		return getLocalFile(fileName, getProjectNameOrDefault(projectName)).exists();
	}

	public static File getDownloadedFile(final String fileName) {
		if (Reference.modFolder != null) {
			createFolder(Reference.modFolder);
			return new File(Reference.modFolder + File.separator + fileName);
		} else {
			return new File(fileName);
		}
	}

	public static String getProjectNameOrDefault(final String projectName) {
		return projectName != null ? projectName : "thirdParty";
	}

	public static File getLocalFile(final String fileName, final String newProjectName) {
		return new File(Reference.userhome + newProjectName + File.separator + fileName);
	}
}

Remove Unused Import