/* 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 java.util;

/**
 * A {@code MissingFormatWidthException} will be thrown if the format width is
 * missing but is required.
 * 
 * @see java.lang.RuntimeException
 */
public class MissingFormatWidthException extends IllegalFormatException {
    private static final long serialVersionUID = 15560123L;

    private String s;

    /**
     * Constructs a new {@code MissingFormatWidthException} with the specified
     * format specifier.
     * 
     * @param s
     *           the specified format specifier.
     */
    public MissingFormatWidthException(String s) {
        if (null == s) {
            throw new NullPointerException();
        }
        this.s = s;
    }

    /**
     * Returns the format specifier associated with the exception.
     * 
     * @return the format specifier associated with the exception.
     */
    public String getFormatSpecifier() {
        return s;
    }

    /**
     * Returns the message of the exception.
     * 
     * @return the message of the exception.
     */
    @Override
    public String getMessage() {
        return s;
    }

}