org.apache.logging.log4j.util.Cast Maven / Gradle / Ivy
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/*
* 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.logging.log4j.util;
@InternalApi
public final class Cast {
/**
* Returns the provided object cast to the generic parameter type or null when the argument is null.
*
* @param o object to cast
* @param the type to cast
* @return object after casting or null if the object was null
* @throws ClassCastException if the object cannot be cast to the provided type
*/
public static T cast(final Object o) {
if (o == null) {
return null;
}
@SuppressWarnings("unchecked")
final T t = (T) o;
return t;
}
private Cast() {}
}