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Carrot2 search results clustering framework core, document sources and clustering algorithms.

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/*
 * Carrot2 project.
 *
 * Copyright (C) 2002-2015, Dawid Weiss, Stanisław Osiński.
 * All rights reserved.
 *
 * Refer to the full license file "carrot2.LICENSE"
 * in the root folder of the repository checkout or at:
 * http://www.carrot2.org/carrot2.LICENSE
 */

package org.carrot2.util;

/**
 * Utilities related to Java reflection.
 */
public final class ReflectionUtils
{
    private ReflectionUtils()
    {
        // No instances.
    }

    /**
     * Load and initialize (or return, if already defined) a given class using context
     * class loader. If class cannot be found, a {@link ClassNotFoundException} is thrown
     * and logged.
     */
    public static Class classForName(String clazzName) throws ClassNotFoundException
    {
        return classForName(clazzName, true);
    }

    /**
     * Load and initialize (or return, if already defined) a given class using context
     * class loader.
     * 
     * @param clazzName class name to load
     * @param logWarning if true, a warning will be logged if class cannot be found
     */
    public static Class classForName(String clazzName, boolean logWarning)
        throws ClassNotFoundException
    {
        try
        {
            return Class.forName(clazzName, true, Thread.currentThread()
                .getContextClassLoader());
        }
        catch (ClassNotFoundException e)
        {
            if (logWarning)
            {
                org.slf4j.LoggerFactory.getLogger(ReflectionUtils.class).warn(
                    "Could not load class: " + clazzName + " (" + e.getMessage() + ").");
            }
            throw e;
        }
    }
}