gov.nih.nci.firebird.commons.test.TestFileUtils.java Source code

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/**
 * The software subject to this notice and license includes both human readable
 * source code form and machine readable, binary, object code form. The NCI OCR
 * Software was developed in conjunction with the National Cancer Institute
 * (NCI) by NCI employees and 5AM Solutions, Inc. (5AM). To the extent
 * government employees are authors, any rights in such works shall be subject
 * to Title 17 of the United States Code, section 105.
 *
 * This NCI OCR Software License (the License) is between NCI and You. You (or
 * Your) shall mean a person or an entity, and all other entities that control,
 * are controlled by, or are under common control with the entity. Control for
 * purposes of this definition means (i) the direct or indirect power to cause
 * the direction or management of such entity, whether by contract or otherwise,
 * or (ii) ownership of fifty percent (50%) or more of the outstanding shares,
 * or (iii) beneficial ownership of such entity.
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 * This License is granted provided that You agree to the conditions described
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 * its rights in the NCI OCR Software to (i) use, install, access, operate,
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 * right to license such rights to further third parties. For sake of clarity,
 * and not by way of limitation, NCI shall have no right of accounting or right
 * of payment from You or Your sub-licensees for the rights granted under this
 * License. This License is granted at no charge to You.
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 * Your redistributions of the source code for the Software must retain the
 * above copyright notice, this list of conditions and the disclaimer and
 * limitation of liability of Article 6, below. Your redistributions in object
 * code form must reproduce the above copyright notice, this list of conditions
 * and the disclaimer of Article 6 in the documentation and/or other materials
 * provided with the distribution, if any.
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 * include the following acknowledgment: This product includes software
 * developed by 5AM and the National Cancer Institute. If You do not include
 * such end-user documentation, You shall include this acknowledgment in the
 * Software itself, wherever such third-party acknowledgments normally appear.
 *
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 * to endorse or promote products derived from this Software. This License does
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 * For sake of clarity, and not by way of limitation, You may incorporate this
 * Software into Your proprietary programs and into any third party proprietary
 * programs. However, if You incorporate the Software into third party
 * proprietary programs, You agree that You are solely responsible for obtaining
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 * For sake of clarity, and not by way of limitation, You may add Your own
 * copyright statement to Your modifications and to the derivative works, and
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package gov.nih.nci.firebird.commons.test;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.io.FileUtils;

/**
 * Provides utility methods for working with files.
 */
public class TestFileUtils {

    private TestFileUtils() {
        // Utility class - prevent instantiation
    }

    /**
     * Creates a temporary file which will be deleted upon JVM exit.
     *
     * @return temporary file
     * @throws IOException if there is a problem creating a temporary file
     */
    public static File createTemporaryFile() throws IOException {
        File file = File.createTempFile("temp_", ".tmp");
        file.createNewFile();
        FileWriter fileWriter = new FileWriter(file);
        fileWriter.append(SimpleDateFormat.getDateTimeInstance().format(new Date()));
        fileWriter.flush();
        fileWriter.close();
        FileUtils.forceDeleteOnExit(file);
        return file;
    }

}