1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.eclipse.aether;
20
21 /**
22 * The base class for exceptions thrown by the repository system. <em>Note:</em> Unless otherwise noted, instances of
23 * this class and its subclasses will not persist fields carrying extended error information during serialization.
24 */
25 public class RepositoryException extends Exception {
26
27 /**
28 * Creates a new exception with the specified detail message.
29 *
30 * @param message The detail message, may be {@code null}.
31 */
32 public RepositoryException(String message) {
33 super(message);
34 }
35
36 /**
37 * Creates a new exception with the specified detail message and cause.
38 *
39 * @param message The detail message, may be {@code null}.
40 * @param cause The exception that caused this one, may be {@code null}.
41 */
42 public RepositoryException(String message, Throwable cause) {
43 super(message, cause);
44 }
45
46 /**
47 * @param prefix The prefix.
48 * @param cause The exception that caused this one, may be {@code null}.
49 * @return The message.
50 * @noreference This method is not intended to be used by clients.
51 */
52 protected static String getMessage(String prefix, Throwable cause) {
53 String msg = "";
54 if (cause != null) {
55 msg = cause.getMessage();
56 if (msg == null || msg.isEmpty()) {
57 msg = cause.getClass().getSimpleName();
58 }
59 msg = prefix + msg;
60 }
61 return msg;
62 }
63 }