1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package java.util;
18
19/**
20 * The unchecked exception will be thrown out if there are duplicate flags given
21 * out in the format specifier.
22 *
23 * @see java.lang.RuntimeException
24 */
25public class DuplicateFormatFlagsException extends IllegalFormatException {
26
27    private static final long serialVersionUID = 18890531L;
28
29    private final String flags;
30
31    /**
32     * Constructs a new {@code DuplicateFormatFlagsException} with the flags
33     * containing duplicates.
34     *
35     * @param f
36     *           the format flags that contain a duplicate flag.
37     */
38    public DuplicateFormatFlagsException(String f) {
39        if (f == null) {
40            throw new NullPointerException("f == null");
41        }
42        flags = f;
43    }
44
45    /**
46     * Returns the format flags that contain a duplicate flag.
47     *
48     * @return the format flags that contain a duplicate flag.
49     */
50    public String getFlags() {
51        return flags;
52    }
53
54    @Override
55    public String getMessage() {
56        return flags;
57    }
58}
59