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Java example source code file (NotVisibleExceptionFactory.java)

This example Java source code file (NotVisibleExceptionFactory.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

exception, notvisibleexception, notvisibleexceptionfactory, override, throwable

The NotVisibleExceptionFactory.java Java example source code

/*
 * 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 org.apache.commons.lang3.test;

/**
 * Allows for testing an exception that is not visible to
 * {@link org.apache.commons.lang3.exception.ExceptionUtils}
 */
public class NotVisibleExceptionFactory {

  private NotVisibleExceptionFactory() {}

  /**
   * Create a new Exception whose getCause method returns the
   * provided cause.
   * @param cause the cause of the exception
   * @return a new {@link Exception}
   */
  public static Exception createException(final Throwable cause) {
    return new NotVisibleException(cause);
  }

  private static class NotVisibleException extends Exception {

    private static final long serialVersionUID = 1L; // avoid warning

    private final Throwable cause;

    private NotVisibleException(Throwable cause) {
      this.cause = cause;
    }

    @Override
    public Throwable getCause() {
      return cause;
    }
  }
}

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