xref: /libcore/luni/src/main/java/java/lang/TypeNotPresentException.java

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package java.lang;

/**
 * Thrown when a program tries to access a class, interface, enum or annotation
 * type through a string that contains the type's name and the type cannot be
 * found. This exception is an unchecked alternative to
 * {@link java.lang.ClassNotFoundException}.
 *
 * @since 1.5
 */
public class TypeNotPresentException extends RuntimeException {
    private static final long serialVersionUID = -5101214195716534496L;

    private String typeName;

    /**
     * Constructs a new {@code TypeNotPresentException} with the current stack
     * trace, a detail message that includes the name of the type that could not
     * be found and the {@code Throwable} that caused this exception.
     *
     * @param typeName
     *            the fully qualified name of the type that could not be found.
     * @param cause
     *            the optional cause of this exception, may be {@code null}.
     */
    public TypeNotPresentException(String typeName, Throwable cause) {
        super("Type " + typeName + " not present", cause);
        this.typeName = typeName;
    }

    /**
     * Gets the fully qualified name of the type that could not be found.
     *
     * @return the name of the type that caused this exception.
     */
    public String typeName() {
        return typeName;
    }
}