01 /*
02 * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * 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 * @version 1.10, 05/05/07
37 * @since 1.5
38 */
39 public class IllegalFormatConversionException extends
40 IllegalFormatException {
41
42 private static final long serialVersionUID = 17000126L;
43
44 private char c;
45 private Class arg;
46
47 /**
48 * Constructs an instance of this class with the mismatched conversion and
49 * the corresponding argument class.
50 *
51 * @param c
52 * Inapplicable conversion
53 *
54 * @param arg
55 * Class of the mismatched argument
56 */
57 public IllegalFormatConversionException(char c, Class<?> arg) {
58 if (arg == null)
59 throw new NullPointerException();
60 this .c = c;
61 this .arg = arg;
62 }
63
64 /**
65 * Returns the inapplicable conversion.
66 *
67 * @return The inapplicable conversion
68 */
69 public char getConversion() {
70 return c;
71 }
72
73 /**
74 * Returns the class of the mismatched argument.
75 *
76 * @return The class of the mismatched argument
77 */
78 public Class<?> getArgumentClass() {
79 return arg;
80 }
81
82 // javadoc inherited from Throwable.java
83 public String getMessage() {
84 return String.format("%c != %s", c, arg.getName());
85 }
86 }
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