/*************************************************************************
* *
* This file is part of the 20n/act project. *
* 20n/act enables DNA prediction for synthetic biology/bioengineering. *
* Copyright (C) 2017 20n Labs, Inc. *
* *
* Please direct all queries to act@20n.com. *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
*************************************************************************/
package com.act.jobs;
import java.io.File;
import java.io.IOException;
public class FileChecker {
public static void verifyInputFile(File inputFile) throws IOException {
if (!inputFile.exists()) {
throw new IOException("Input file " + inputFile.getAbsolutePath() + " does not exist.");
}
if (inputFile.isDirectory()) {
throw new IOException("Input file " + inputFile.getAbsolutePath() + " is a directory.");
}
}
public static void verifyAndCreateOutputFile(File outputFile) throws IOException {
if (outputFile.isDirectory()) {
throw new IOException("Input file " + outputFile.getAbsolutePath() + " is a directory.");
}
try {
outputFile.createNewFile();
} catch (IOException e) {
throw new IOException("createNewFile() on file " + outputFile.getAbsolutePath() + " failed: " + e.getMessage());
}
}
public static void verifyOrCreateDirectory(File directory) throws IOException {
if (!directory.exists()) {
directory.mkdirs();
}
if (!directory.isDirectory()) {
throw new IOException("File path is not a directory: " + directory.getAbsolutePath());
}
}
}