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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.lang;

import java.util.Arrays;

/**
 *  Thrown to indicate an incomplete argument to a method.
 *  This exception supplements the standard IllegalArgumentException
 *  by providing a more semantically rich description of the problem.
 *
 *  IncompleteArgumentException represents the case where a method takes
 *  in a parameter that has a number of properties, some of which have not been set.
 *  A case might be a search requirements bean that must have three properties set
 *  in order for the method to run, but only one is actually set.
 *  This exception would be used in place of
 *  IllegalArgumentException, yet it still extends it.
 *
 *   *  public void foo(PersonSearcher search) {
 *    if (search.getSurname() == null ||
 *        search.getForename() == null ||
 *        search.getSex() == null) {
 *      throw new IncompleteArgumentException("search");
 *    }
 *    // do something with the searcher
 *  }
 *  
 *
 *  @author Matthew Hawthorne
 *  @since 2.0
 *  @version $Id: IncompleteArgumentException.java 437554 2006-08-28 06:21:41Z bayard $
 *
 * @deprecated Commons Lang 2 is in maintenance mode. Commons Lang 3 should be used instead.
 */
@Deprecated(since = "2021-04-30")
public class IncompleteArgumentException extends IllegalArgumentException {

    /**
     * Required for serialization support.
     *
     * @see java.io.Serializable
     */
    private static final long serialVersionUID = 4954193403612068178L;

    /**
     * Instantiates with the specified description.
     *
     * @param argName  a description of the incomplete argument
     */
    public IncompleteArgumentException(String argName) {
        super(argName + " is incomplete.");
    }

    /**
     * Instantiates with the specified description.
     *
     * @param argName  a description of the incomplete argument
     * @param items  an array describing the arguments missing
     */
    public IncompleteArgumentException(String argName, String[] items) {
        super(argName + " is missing the following items: " + safeArrayToString(items));
    }

    /**
     * Converts an array to a string without throwing an exception.
     *
     * @param array  an array
     * @return the array as a string
     */
    private static final String safeArrayToString(Object[] array) {
        return array == null ? null : Arrays.asList(array).toString();
    }
}