1/*
2 * Copyright (c) 2003, Oracle and/or its affiliates. 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package java.util;
27
28/**
29 * Unchecked exception thrown when duplicate flags are provided in the format
30 * specifier.
31 *
32 * <p> Unless otherwise specified, passing a {@code null} 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 */
38public class DuplicateFormatFlagsException extends IllegalFormatException {
39
40    private static final long serialVersionUID = 18890531L;
41
42    private String flags;
43
44    /**
45     * Constructs an instance of this class with the specified flags.
46     *
47     * @param  f
48     *         The set of format flags which contain a duplicate flag.
49     */
50    public DuplicateFormatFlagsException(String f) {
51        if (f == null)
52            throw new NullPointerException();
53        this.flags = f;
54    }
55
56    /**
57     * Returns the set of flags which contains a duplicate flag.
58     *
59     * @return  The flags
60     */
61    public String getFlags() {
62        return flags;
63    }
64
65    public String getMessage() {
66        return String.format("Flags = '%s'", flags);
67    }
68}
69