1 /*
2 * Grapht, an open source dependency injector.
3 * Copyright 2014-2015 various contributors (see CONTRIBUTORS.txt)
4 * Copyright 2010-2014 Regents of the University of Minnesota
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as
8 * published by the Free Software Foundation; either version 2.1 of the
9 * License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
14 * details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc., 51
18 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20 package org.grouplens.grapht;
21
22 import javax.inject.Qualifier;
23
24 /**
25 * Thrown when a binding configuration is invalid, which often occurs when an
26 * implementation type is bound to a type that it is not a subclass of, or when
27 * an annotation is intended to be used as a qualifier but has not been
28 * annotated with {@link Qualifier}.
29 *
30 * @author <a href="http://grouplens.org">GroupLens Research</a>
31 */
32 public class InvalidBindingException extends RuntimeException {
33 private static final long serialVersionUID = 1L;
34
35 private final Class<?> type;
36
37 public InvalidBindingException(Class<?> type) {
38 this(type, "");
39 }
40
41 public InvalidBindingException(Class<?> type, String message) {
42 this(type, message, null);
43 }
44
45 public InvalidBindingException(Class<?> type, Throwable t) {
46 this(type, "", t);
47 }
48
49 public InvalidBindingException(Class<?> type, String message, Throwable t) {
50 super(message, t);
51 this.type = type;
52 }
53
54 /**
55 * @return The type that is configured incorrectly, or is the cause of
56 * configuration errors
57 */
58 public Class<?> getType() {
59 return type;
60 }
61
62 @Override
63 public String getMessage() {
64 return String.format("Error configuring %s: %s", type, super.getMessage());
65 }
66 }