1 /*
2 * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.util;
27
28 /**
29 * Unchecked exception thrown when the argument corresponding to the format
30 * specifier is of an incompatible type.
31 *
32 * <p> Unless otherwise specified, passing a <tt>null</tt> argument to any
33 * method or constructor in this class will cause a {@link
34 * NullPointerException} to be thrown.
35 *
36 * @since 1.5
37 */
38 public class IllegalFormatConversionException extends IllegalFormatException {
39
40 private static final long serialVersionUID = 17000126L;
41
42 private char c;
43 private Class arg;
44
45 /**
46 * Constructs an instance of this class with the mismatched conversion and
47 * the corresponding argument class.
48 *
49 * @param c
50 * Inapplicable conversion
51 *
52 * @param arg
53 * Class of the mismatched argument
54 */
55 public IllegalFormatConversionException(char c, Class<?> arg) {
56 if (arg == null)
57 throw new NullPointerException();
58 this.c = c;
59 this.arg = arg;
60 }
61
62 /**
63 * Returns the inapplicable conversion.
64 *
65 * @return The inapplicable conversion
66 */
67 public char getConversion() {
68 return c;
69 }
70
71 /**
72 * Returns the class of the mismatched argument.
73 *
74 * @return The class of the mismatched argument
75 */
76 public Class<?> getArgumentClass() {
77 return arg;
78 }
79
80 // javadoc inherited from Throwable.java
81 public String getMessage() {
82 return String.format("%c != %s", c, arg.getName());
83 }
84 }
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