/**
* Copyright 2006-2017 the original author or authors.
*
* 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 org.objenesis;
import java.io.
Serializable;
import org.objenesis.instantiator.
ObjectInstantiator;
/**
* Use Objenesis in a static way. <strong>It is strongly not recommended to use this class.</strong>
*
* @author Henri Tremblay
*/
public final class
ObjenesisHelper {
private static final
Objenesis OBJENESIS_STD = new
ObjenesisStd();
private static final
Objenesis OBJENESIS_SERIALIZER = new
ObjenesisSerializer();
private
ObjenesisHelper() {
}
/**
* Will create a new object without any constructor being called
*
* @param <T> Type instantiated
* @param clazz Class to instantiate
* @return New instance of clazz
*/
public static <T> T
newInstance(
Class<T>
clazz) {
return
OBJENESIS_STD.
newInstance(
clazz);
}
/**
* Will create an object just like it's done by ObjectInputStream.readObject (the default
* constructor of the first non serializable class will be called)
*
* @param <T> Type instantiated
* @param clazz Class to instantiate
* @return New instance of clazz
*/
public static <T extends
Serializable> T
newSerializableInstance(
Class<T>
clazz) {
return (T)
OBJENESIS_SERIALIZER.
newInstance(
clazz);
}
/**
* Will pick the best instantiator for the provided class. If you need to create a lot of
* instances from the same class, it is way more efficient to create them from the same
* ObjectInstantiator than calling {@link #newInstance(Class)}.
*
* @param <T> Type to instantiate
* @param clazz Class to instantiate
* @return Instantiator dedicated to the class
*/
public static <T>
ObjectInstantiator<T>
getInstantiatorOf(
Class<T>
clazz) {
return
OBJENESIS_STD.
getInstantiatorOf(
clazz);
}
/**
* Same as {@link #getInstantiatorOf(Class)} but providing an instantiator emulating
* ObjectInputStream.readObject behavior.
*
* @see #newSerializableInstance(Class)
* @param <T> Type to instantiate
* @param clazz Class to instantiate
* @return Instantiator dedicated to the class
*/
public static <T extends
Serializable>
ObjectInstantiator<T>
getSerializableObjectInstantiatorOf(
Class<T>
clazz) {
return
OBJENESIS_SERIALIZER.
getInstantiatorOf(
clazz);
}
}