org.jboss.marshalling._private.GetUnsafeAction Maven / Gradle / Ivy
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* Copyright 2018 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.jboss.marshalling._private;
import java.lang.reflect.Field;
import java.security.PrivilegedAction;
import sun.misc.Unsafe;
/**
*/
public class GetUnsafeAction implements PrivilegedAction {
public static final GetUnsafeAction INSTANCE = new GetUnsafeAction();
private GetUnsafeAction() {
}
public Unsafe run() {
try {
Field unsafeField = Unsafe.class.getDeclaredField("theUnsafe");
unsafeField.setAccessible(true);
return (Unsafe) unsafeField.get(null);
} catch (IllegalAccessException | NoSuchFieldException e) {
throw new Error(e);
}
}
}