Java tutorial
/* * 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()); } }