1 /*
2 * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.lang;
27
28 /**
29 * Thrown when an application tries to access a type using a string
30 * representing the type's name, but no definition for the type with
31 * the specified name can be found. This exception differs from
32 * {@link ClassNotFoundException} in that <tt>ClassNotFoundException</tt> is a
33 * checked exception, whereas this exception is unchecked.
34 *
35 * <p>Note that this exception may be used when undefined type variables
36 * are accessed as well as when types (e.g., classes, interfaces or
37 * annotation types) are loaded.
38 *
39 * @author Josh Bloch
40 * @since 1.5
41 */
42 public class TypeNotPresentException extends RuntimeException {
43 private String typeName;
44
45 /**
46 * Constructs a <tt>TypeNotPresentException</tt> for the named type
47 * with the specified cause.
48 *
49 * @param typeName the fully qualified name of the unavailable type
50 * @param cause the exception that was thrown when the system attempted to
51 * load the named type, or <tt>null</tt> if unavailable or inapplicable
52 */
53 public TypeNotPresentException(String typeName, Throwable cause) {
54 super("Type " + typeName + " not present", cause);
55 this.typeName = typeName;
56 }
57
58 /**
59 * Returns the fully qualified name of the unavailable type.
60 *
61 * @return the fully qualified name of the unavailable type
62 */
63 public String typeName() { return typeName;}
64 }
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