org.jboss.netty.util.ExternalResourceUtil Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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.jboss.netty.util;
/**
* A utility class that provides the convenient shutdown of
* {@link ExternalResourceReleasable}s.
*/
public final class ExternalResourceUtil {
/**
* Releases the specified {@link ExternalResourceReleasable}s.
*/
public static void release(ExternalResourceReleasable... releasables) {
ExternalResourceReleasable[] releasablesCopy =
new ExternalResourceReleasable[releasables.length];
for (int i = 0; i < releasables.length; i ++) {
if (releasables[i] == null) {
throw new NullPointerException("releasables[" + i + ']');
}
releasablesCopy[i] = releasables[i];
}
for (ExternalResourceReleasable e: releasablesCopy) {
e.releaseExternalResources();
}
}
private ExternalResourceUtil() {
}
}