1 /*******************************************************************************
2 * Copyright (c) 2010, 2014 Sonatype, Inc.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * Sonatype, Inc. - initial API and implementation
10 *******************************************************************************/
11 package org.eclipse.aether;
12
13 /**
14 * The base class for exceptions thrown by the repository system. <em>Note:</em> Unless otherwise noted, instances of
15 * this class and its subclasses will not persist fields carrying extended error information during serialization.
16 */
17 public class RepositoryException
18 extends Exception
19 {
20
21 /**
22 * Creates a new exception with the specified detail message.
23 *
24 * @param message The detail message, may be {@code null}.
25 */
26 public RepositoryException( String message )
27 {
28 super( message );
29 }
30
31 /**
32 * Creates a new exception with the specified detail message and cause.
33 *
34 * @param message The detail message, may be {@code null}.
35 * @param cause The exception that caused this one, may be {@code null}.
36 */
37 public RepositoryException( String message, Throwable cause )
38 {
39 super( message, cause );
40 }
41
42 /**
43 * @noreference This method is not intended to be used by clients.
44 * @param prefix A message prefix for the cause.
45 * @param cause The error cause.
46 * @return The error message for the cause.
47 */
48 protected static String getMessage( String prefix, Throwable cause )
49 {
50 String msg = "";
51 if ( cause != null )
52 {
53 msg = cause.getMessage();
54 if ( msg == null || msg.length() <= 0 )
55 {
56 msg = cause.getClass().getSimpleName();
57 }
58 msg = prefix + msg;
59 }
60 return msg;
61 }
62
63 }