de.danielbechler.diff.instantiation.PublicNoArgsConstructorInstanceFactory Maven / Gradle / Ivy

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Framework to detect and handle differences between Java objects

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/*
 * Copyright 2014 Daniel Bechler
 *
 * Licensed 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 de.danielbechler.diff.instantiation;

public class PublicNoArgsConstructorInstanceFactory implements InstanceFactory
{
	public Object newInstanceOfType(final Class type)
	{
		try
		{
			return type.getConstructor().newInstance();
		}
		catch (final NoSuchMethodException e)
		{
			throw new TypeInstantiationException(type,
					"Type doesn't have a public non-arg constructur", e);
		}
		catch (final Exception e)
		{
			throw new TypeInstantiationException(type,
					"Attempt to access the public no-args constructor caused an exception", e);
		}
	}
}