1 package org.eclipse.aether;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 /**
23 * The base class for exceptions thrown by the repository system. <em>Note:</em> Unless otherwise noted, instances of
24 * this class and its subclasses will not persist fields carrying extended error information during serialization.
25 */
26 public class RepositoryException
27 extends Exception
28 {
29
30 /**
31 * Creates a new exception with the specified detail message.
32 *
33 * @param message The detail message, may be {@code null}.
34 */
35 public RepositoryException( String message )
36 {
37 super( message );
38 }
39
40 /**
41 * Creates a new exception with the specified detail message and cause.
42 *
43 * @param message The detail message, may be {@code null}.
44 * @param cause The exception that caused this one, may be {@code null}.
45 */
46 public RepositoryException( String message, Throwable cause )
47 {
48 super( message, cause );
49 }
50
51 /**
52 * @param prefix The prefix.
53 * @param cause The exception that caused this one, may be {@code null}.
54 * @return The message.
55 * @noreference This method is not intended to be used by clients.
56 */
57 protected static String getMessage( String prefix, Throwable cause )
58 {
59 String msg = "";
60 if ( cause != null )
61 {
62 msg = cause.getMessage();
63 if ( msg == null || msg.length() <= 0 )
64 {
65 msg = cause.getClass().getSimpleName();
66 }
67 msg = prefix + msg;
68 }
69 return msg;
70 }
71
72 }