com.github.mjeanroy.dbunit.exception.ClassInstantiationException Maven / Gradle / Ivy
/**
* The MIT License (MIT)
*
* Copyright (c) 2015-2019 Mickael Jeanroy
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.github.mjeanroy.dbunit.exception;
/**
* Exception thrown when a class cannot be instantiated because of:
*
*
* - Missing empty public constructor.
* - The empty constructor is not public.
* - Etc.
*
*/
public class ClassInstantiationException extends AbstractReflectionException {
/**
* The class that cannot be instantiated.
*/
private final Class klass;
/**
* Create the exception.
*
* @param klass Class that cannot be instantiated.
* @param message Error message.
*/
private ClassInstantiationException(Class klass, String message) {
super(message);
this.klass = klass;
}
/**
* Create the exception.
*
* @param klass Class that cannot be instantiated.
* @param cause The original cause.
*/
private ClassInstantiationException(Class klass, Exception cause) {
super(cause);
this.klass = klass;
}
/**
* Class that cannot be instantiated.
*
* @return The class.
*/
public Class getKlass() {
return klass;
}
/**
* Create exception with a message saying that the empty public constructor is missing on given class.
*
* @param klass The class.
* @return The exception.
*/
public static ClassInstantiationException missingDefaultConstructor(Class klass) {
return new ClassInstantiationException(klass, message(klass));
}
/**
* Create exception with given original cause.
*
* @param klass The class.
* @param cause The original exception.
* @return The exception.
*/
public static ClassInstantiationException instantiationException(Class klass, Exception cause) {
return new ClassInstantiationException(klass, cause);
}
/**
* Create message for {@link #missingDefaultConstructor(Class)} method.
*
* @param klass The class.
* @return The error message.
*/
private static String message(Class klass) {
return String.format("Cannot instantiate class %s because it does not have empty public constructor", klass.getName());
}
}