assertNotNull("ProcessDestroyer class should exist", destroyerClass);
            assertTrue("ProcessDestroyer should extend TimerTask", java.util.TimerTask.class.isAssignableFrom(destroyerClass));
        } catch (final ClassNotFoundException e) {
            fail("ProcessDestroyer inner class should exist");
        }
    }

 */
package org.codelibs.fess.thumbnail.impl;

import java.io.File;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;