spring LoggingWebSocketHandlerDecorator 源码
spring LoggingWebSocketHandlerDecorator 代码
文件路径：/spring-websocket/src/main/java/org/springframework/web/socket/handler/LoggingWebSocketHandlerDecorator.java
/*
* Copyright 2002-2014 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
*
* https://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.springframework.web.socket.handler;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.WebSocketMessage;
import org.springframework.web.socket.WebSocketSession;
/**
* A {@link WebSocketHandlerDecorator} that adds logging to WebSocket lifecycle events.
*
* @author Rossen Stoyanchev
* @since 4.0
*/
public class LoggingWebSocketHandlerDecorator extends WebSocketHandlerDecorator {
private static final Log logger = LogFactory.getLog(LoggingWebSocketHandlerDecorator.class);
public LoggingWebSocketHandlerDecorator(WebSocketHandler delegate) {
super(delegate);
}
@Override
public void afterConnectionEstablished(WebSocketSession session) throws Exception {
if (logger.isDebugEnabled()) {
logger.debug("New " + session);
}
super.afterConnectionEstablished(session);
}
@Override
public void handleMessage(WebSocketSession session, WebSocketMessage<?> message) throws Exception {
if (logger.isTraceEnabled()) {
logger.trace("Handling " + message + " in " + session);
}
super.handleMessage(session, message);
}
@Override
public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
if (logger.isDebugEnabled()) {
logger.debug("Transport error in " + session, exception);
}
super.handleTransportError(session, exception);
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus closeStatus) throws Exception {
if (logger.isDebugEnabled()) {
logger.debug(session + " closed with " + closeStatus);
}
super.afterConnectionClosed(session, closeStatus);
}
}
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