46 lines
1.4 KiB
Java
46 lines
1.4 KiB
Java
/*
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* Copyright 2011 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.util;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* Utility which checks if {@value #UNSAFE} class can be found in the classpath
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*/
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public final class UnsafeDetectUtil {
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private static final String UNSAFE = "sun.misc.Unsafe";
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private static final boolean UNSAFE_FOUND = isUnsafeFound(AtomicInteger.class.getClassLoader());
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public static boolean isUnsafeFound(ClassLoader loader) {
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try {
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Class.forName(UNSAFE, true, loader);
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return true;
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} catch (ClassNotFoundException e) {
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return false;
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}
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}
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public static boolean isUnsafeFound() {
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return UNSAFE_FOUND;
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}
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private UnsafeDetectUtil() {
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// only static method supported
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}
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}
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