channelutils.java

nio的framework,不需要关注NIO编程的细节,只需要根据几个简单的API就可以使用NIO了.

/*
 * Copyright 2004-2006 the original author or authors.
 *
 * 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 net.sf.cindy.util;

import java.io.IOException;
import java.nio.channels.Channel;
import java.nio.channels.Selector;

/**
 * Utils for java nio channels.
 * 
 * @author <a href="[e-mail]">Roger Chen</a>
 * @version $id$
 */
public final class ChannelUtils {

    /**
     * Close channel and ignore any exceptions.
     * 
     * @param channel
     *            channel
     */
    public static void close(final Channel channel) {
        if (channel != null) {
            try {
                channel.close();
            } catch (IOException e) {
            }
        }
    }

    /**
     * Close selector and ignore any exceptions.
     * 
     * @param selector
     *            selector
     */
    public static void close(final Selector selector) {
        if (selector != null) {
            try {
                selector.close();
            } catch (IOException e) {
            }
        }
    }

}