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Pluggable Java web library for runtime logging level configuration

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/*
 * Copyright 2014 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 org.lightadmin.logging.configurer.config;

import org.lightadmin.logging.configurer.logback.AppenderInitializingApplicationListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.messaging.simp.config.ChannelRegistration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.AbstractWebSocketMessageBrokerConfigurer;
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;

/**
 * TODO: Document me!
 *
 * @author Maxim Kharchenko ([email protected])
 */
@Configuration
@EnableWebSocket
@EnableWebSocketMessageBroker
public class WebSocketConfiguration extends AbstractWebSocketMessageBrokerConfigurer {

    @Override
    public void configureMessageBroker(MessageBrokerRegistry config) {
        config.enableSimpleBroker("/topic");
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/ws").withSockJS().setClientLibraryUrl("http://cdn.sockjs.org/sockjs-0.3.min.js");
    }

    @Override
    public void configureClientOutboundChannel(ChannelRegistration registration) {
        registration.taskExecutor().corePoolSize(4).maxPoolSize(8);
    }

    @Override
    public void configureClientInboundChannel(ChannelRegistration registration) {
        registration.taskExecutor().corePoolSize(4).maxPoolSize(8);
    }

    @Bean
    @Autowired
    public ApplicationListener applicationListener(SimpMessagingTemplate simpMessagingTemplate) {
        return new AppenderInitializingApplicationListener(simpMessagingTemplate);
    }
}