ch.unibas.fittingwizard.infrastructure.base.ScriptUtilities.java Source code

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Here is the source code for ch.unibas.fittingwizard.infrastructure.base.ScriptUtilities.java

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/*
 * Copyright (c) 2015, Florent Hedin, Markus Meuwly, and the University of Basel
 * All rights reserved.
 *
 * The 3-clause BSD license is applied to this software.
 * see LICENSE.txt
 *
 */
package ch.unibas.fittingwizard.infrastructure.base;

import ch.unibas.fittingwizard.application.scripts.base.ScriptExecutionException;
import java.io.File;
import org.apache.commons.io.FilenameUtils;
import org.apache.log4j.Logger;

/**
 * User: mhelmer
 * Date: 13.12.13
 * Time: 16:17
 */
public class ScriptUtilities {

    private final static Logger logger = Logger.getLogger(ScriptUtilities.class);

    public static void deleteFileIfExists(File resultsFile) {
        if (resultsFile.exists()) {
            logger.info("Deleting existing file. " + FilenameUtils.normalize(resultsFile.getAbsolutePath()));
            if (resultsFile.delete()) {
                logger.info("File deleted.");
            } else {
                logger.error("Could not delete file.");
            }
        }
    }

    public static void verifyFileExistence(File file) {
        if (!file.exists()) {
            throw new ScriptExecutionException(
                    "Script did not create expected " + FilenameUtils.normalize(file.getAbsolutePath()) + " file.");
        }
    }
}