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Java example source code file (SctpNotificationHandler.java)

This example Java source code file (SctpNotificationHandler.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractnotificationhandler, handlerresult, nullpointerexception, object, override, sctpchannel, sctpnotificationhandler

The SctpNotificationHandler.java Java example source code

/*
 * Copyright 2011 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 io.netty.channel.sctp;

import com.sun.nio.sctp.AbstractNotificationHandler;
import com.sun.nio.sctp.AssociationChangeNotification;
import com.sun.nio.sctp.HandlerResult;
import com.sun.nio.sctp.Notification;
import com.sun.nio.sctp.PeerAddressChangeNotification;
import com.sun.nio.sctp.SendFailedNotification;
import com.sun.nio.sctp.ShutdownNotification;

import io.netty.channel.ChannelPipeline;


/**
 * {@link AbstractNotificationHandler} implementation which will handle all {@link Notification}s by trigger a
 * {@link Notification} user event in the {@link ChannelPipeline} of a {@link SctpChannel}.
 */
public final class SctpNotificationHandler extends AbstractNotificationHandler<Object> {

    private final SctpChannel sctpChannel;

    public SctpNotificationHandler(SctpChannel sctpChannel) {
        if (sctpChannel == null) {
            throw new NullPointerException("sctpChannel");
        }
        this.sctpChannel = sctpChannel;
    }

    @Override
    public HandlerResult handleNotification(AssociationChangeNotification notification, Object o) {
        fireEvent(notification);
        return HandlerResult.CONTINUE;
    }

    @Override
    public HandlerResult handleNotification(PeerAddressChangeNotification notification, Object o) {
        fireEvent(notification);
        return HandlerResult.CONTINUE;
    }

    @Override
    public HandlerResult handleNotification(SendFailedNotification notification, Object o) {
        fireEvent(notification);
        return HandlerResult.CONTINUE;
    }

    @Override
    public HandlerResult handleNotification(ShutdownNotification notification, Object o) {
        fireEvent(notification);
        sctpChannel.close();
        return HandlerResult.RETURN;
    }

    private void fireEvent(Notification notification) {
        sctpChannel.pipeline().fireUserEventTriggered(notification);
    }
}

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