/*

 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package java.util;

/**

 * Unchecked exception thrown when the argument corresponding to the format

 * specifier is of an incompatible type.

 *

 * <p> Unless otherwise specified, passing a {@code null} argument to any

 * method or constructor in this class will cause a {@link

 * NullPointerException} to be thrown.

 *

 * @since 1.5

 */

public class IllegalFormatConversionException extends IllegalFormatException {

    private static final long serialVersionUID = 17000126L;

    private char c;

    private Class<?> arg;

    /**

     * Constructs an instance of this class with the mismatched conversion and

     * the corresponding argument class.

     *

     * @param  c

     *         Inapplicable conversion

     *

     * @param  arg

     *         Class of the mismatched argument

     */

    public IllegalFormatConversionException(char c, Class<?> arg) {

        if (arg == null)

            throw new NullPointerException();

        this.c = c;

        this.arg = arg;

    }

    /**

     * Returns the inapplicable conversion.

     *

     * @return  The inapplicable conversion

     */

    public char getConversion() {

        return c;

    }

    /**

     * Returns the class of the mismatched argument.

     *

     * @return   The class of the mismatched argument

     */

    public Class<?> getArgumentClass() {

        return arg;

    }

    // javadoc inherited from Throwable.java

    public String getMessage() {

        return String.format("%c != %s", c, arg.getName());

    }

}