/*
* Copyright 2009 Red Hat, Inc.
*
* Red Hat 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.
*
* @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
* @author <a href="http://gleamynode.net/">Trustin Lee</a>
* @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
*/
public 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() {
super();
}
}