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Hibernate's core ORM functionality

There is a newer version: 7.0.0.Beta3

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate;

/**
 * Thrown if Hibernate can't instantiate a class at runtime.
 *
 * @author Gavin King
 */
public class InstantiationException extends HibernateException {
	private final Class clazz;

	/**
	 * Constructs an {@code InstantiationException}.
	 *
	 * @param message A message explaining the exception condition
	 * @param clazz The Class we are attempting to instantiate
	 * @param cause The underlying exception
	 */
	public InstantiationException(String message, Class clazz, Throwable cause) {
		super( message, cause );
		this.clazz = clazz;
	}

	/**
	 * Constructs an {@code InstantiationException}.
	 *
	 * @param message A message explaining the exception condition
	 * @param clazz The Class we are attempting to instantiate
	 */
	public InstantiationException(String message, Class clazz) {
		this( message, clazz, null );
	}

	/**
	 * Constructs an {@code InstantiationException}.
	 *
	 * @param message A message explaining the exception condition
	 * @param clazz The Class we are attempting to instantiate
	 * @param cause The underlying exception
	 */
	public InstantiationException(String message, Class clazz, Exception cause) {
		super( message, cause );
		this.clazz = clazz;
	}

	/**
	 * Returns the {@link Class} we were attempting to instantiate.
	 *
	 * @return The class we are unable to instantiate
	 */
	public Class getUninstantiatableClass() {
		return clazz;
	}

	@Override
	public String getMessage() {
		final String message = super.getMessage() + " '" + clazz.getName() + "'";
		final Throwable cause = getCause();
		return cause != null ? message + " due to: " + cause.getMessage() : message;
	}

}