protected final Object[] args;

    /**
     * Creates a {@link ClIllegalArgumentException}.
     *
     * @param argName
     *            Name of the argument
     * @param messageCode
     *            Message code
     * @param args
     *            Array of arguments
     */
    public ClIllegalArgumentException(final String argName, final String messageCode, final Object[] args) {

     *            The length of the array the index refers to.
     * @throws ClIllegalArgumentException
     *             If the argument is invalid as an array index.
     */
    public static void assertArgumentArrayIndex(final String argName, final int argValue, final int arraySize) {
        if (argValue < 0) {
            throw new ClIllegalArgumentException(argName, "ECL0014", asArray(argName));
        }

 */
package org.codelibs.core.exception;

/**
 * Exception thrown when an argument is empty.
 *
 * @author higa
 */
public class EmptyArgumentException extends ClIllegalArgumentException {

    private static final long serialVersionUID = 4625805280526951642L;

    /**
     * Creates an {@link EmptyArgumentException}.
     *
     * @param argName
     *            Name of the argument

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

import java.lang.reflect.Field;
import java.util.Collection;
import java.util.Map;

import org.codelibs.core.exception.ClIllegalArgumentException;
import org.junit.Test;

/**
 * @author y-komori
 *
 */
public class FieldUtilTest {

    /** */
    public Object objectField;

    /** */
    public int intField;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.util.Map;

import org.codelibs.core.exception.ClIllegalArgumentException;
import org.codelibs.core.message.MessageFormatter;
import org.codelibs.core.misc.DisposableUtil;

/**
 * Logger interface.
 *
 * @author higa
 */
public class Logger {

    /**

import java.util.Map;

/**
 * Exception thrown when using a key not contained in a {@literal BeanMap}.
 *
 * @author koichik
 */
public class IllegalKeyOfBeanMapException extends ClIllegalArgumentException {

    private static final long serialVersionUID = 3456740832476626338L;

    /**
     * Constructs an instance.
     *
     * @param key
     *            Key of the map
     * @param map

/**
 * Exception thrown when an argument is null.
 *
 * Intended to be used instead of throwing {@link NullPointerException}.
 *
 * @author wyukawa
 */
public class NullArgumentException extends ClIllegalArgumentException {

    /**
     *
     */
    private static final long serialVersionUID = 1L;

    /**
     * Creates a {@link NullArgumentException}.
     *
     * @param argName

import org.codelibs.core.convert.TimeConversionUtil;
import org.codelibs.core.convert.TimestampConversionUtil;
import org.codelibs.core.exception.BeanMethodSetAccessibleFailureException;
import org.codelibs.core.exception.ClIllegalArgumentException;
import org.codelibs.core.exception.IllegalPropertyRuntimeException;
import org.codelibs.core.exception.ParseRuntimeException;
import org.codelibs.core.lang.ConstructorUtil;
import org.codelibs.core.lang.FieldUtil;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;

import org.codelibs.core.exception.ClIllegalArgumentException;
import org.codelibs.core.exception.IllegalAccessRuntimeException;

/**
 * Utility class for {@link Field} operations.
 *
 * @author higa
 */
public abstract class FieldUtil {

    /**