jdk/src/share/classes/java/lang/TypeNotPresentException.java

/*
 * Copyright 2003-2004 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package java.lang;

/**
 * Thrown when an application tries to access a type using a string
 * representing the type's name, but no definition for the type with
 * the specified name can be found.   This exception differs from
 * {@link ClassNotFoundException} in that <tt>ClassNotFoundException</tt> is a
 * checked exception, whereas this exception is unchecked.
 *
 * <p>Note that this exception may be used when undefined type variables
 * are accessed as well as when types (e.g., classes, interfaces or
 * annotation types) are loaded.
 *
 * @author  Josh Bloch
 * @since 1.5
 */
public class TypeNotPresentException extends RuntimeException {
    private String typeName;

    /**
     * Constructs a <tt>TypeNotPresentException</tt> for the named type
     * with the specified cause.
     *
     * @param typeName the fully qualified name of the unavailable type
     * @param cause the exception that was thrown when the system attempted to
     *    load the named type, or <tt>null</tt> if unavailable or inapplicable
     */
    public TypeNotPresentException(String typeName, Throwable cause) {
        super("Type " + typeName + " not present", cause);
        this.typeName = typeName;
    }

    /**
     * Returns the fully qualified name of the unavailable type.
     *
     * @return the fully qualified name of the unavailable type
     */
    public String typeName() { return typeName;}
}