001 /* TypeNotPresentException.java -- Thrown when a string-based type is missing
002 Copyright (C) 2004, 2005 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package java.lang;
040
041 /**
042 * <p>
043 * Thrown when a type is accessed using a <code>String</code>-based
044 * representation, but no definition of the supplied type is found.
045 * This is effectively an unchecked equivalent of the existing
046 * <code>ClassNotFound</code> exception.
047 * </p>
048 * <p>
049 * It may occur due to an attempt to load a missing class, interface or
050 * annotation, or when an undefined type variable is accessed.
051 * </p>
052 *
053 * @author Tom Tromey (tromey@redhat.com)
054 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
055 * @see ClassNotFoundException
056 * @since 1.5
057 */
058 public class TypeNotPresentException
059 extends RuntimeException
060 {
061 private static final long serialVersionUID = -5101214195716534496L;
062
063 /**
064 * Constructs a <code>TypeNotPresentException</code> for
065 * the supplied type. The specified cause <code>Throwable</code>
066 * may be used to provide additional history, with regards to the
067 * root of the problem. It is perfectly valid for this to be null,
068 * if the cause of the problem is unknown.
069 *
070 * @param typeName the name of the missing type.
071 * @param cause the cause of this exception, or null if the cause
072 * is unknown.
073 */
074 public TypeNotPresentException(String typeName, Throwable cause)
075 {
076 super("type \"" + typeName + "\" not found", cause);
077 this.typeName = typeName;
078 }
079
080 /**
081 * Returns the name of the missing type.
082 *
083 * @return the missing type's name.
084 */
085 public String typeName()
086 {
087 return typeName;
088 }
089
090 /**
091 * The name of the missing type.
092 *
093 * @serial the missing type's name.
094 */
095 // Name fixed by serialization.
096 private String typeName;
097
098 }