com.buession.web.reactive.aop.handler.ReactiveResponseHeadersAnnotationHandler Maven / Gradle / Ivy

Go to download
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information regarding copyright ownership.
 * The ASF 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.
 *
 * =========================================================================================================
 *
 * This software consists of voluntary contributions made by many individuals on behalf of the
 * Apache Software Foundation. For more information on the Apache Software Foundation, please see
 * .
 *
 * +-------------------------------------------------------------------------------------------------------+
 * | License: http://www.apache.org/licenses/LICENSE-2.0.txt 										       |
 * | Author: Yong.Teng  													       |
 * | Copyright @ 2013-2023 Buession.com Inc.														       |
 * +-------------------------------------------------------------------------------------------------------+
 */
package com.buession.web.reactive.aop.handler;

import com.buession.aop.MethodInvocation;
import com.buession.core.validator.Validate;
import com.buession.web.aop.handler.AbstractResponseHeadersAnnotationHandler;
import com.buession.web.http.HttpHeader;
import com.buession.web.http.response.annotation.ResponseHeader;
import com.buession.web.http.response.annotation.ResponseHeaders;
import com.buession.web.reactive.http.request.RequestUtils;
import com.buession.web.reactive.http.response.ResponseUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.server.reactive.ServerHttpResponse;

/**
 * @author Yong.Teng
 */
public class ReactiveResponseHeadersAnnotationHandler extends AbstractResponseHeadersAnnotationHandler {

	private final static Logger logger = LoggerFactory.getLogger(ReactiveResponseHeadersAnnotationHandler.class);

	public ReactiveResponseHeadersAnnotationHandler() {
		super();
	}

	@Override
	public void execute(MethodInvocation mi, ResponseHeaders responseHeaders) {
		ServerHttpResponse response = RequestUtils.getResponse();
		if(response == null){
			logger.warn("ServerHttpResponse is null");
			return;
		}

		ResponseHeader[] headers = responseHeaders.value();

		if(Validate.isNotEmpty(headers)){
			HttpHeaders httpHeaders = response.getHeaders();

			for(ResponseHeader header : headers){
				final boolean isExpires = HttpHeader.EXPIRES.getValue().equalsIgnoreCase(header.name());

				for(String value : header.value()){
					if(isExpires){
						if(Validate.isNumeric(value)){
							ResponseUtils.httpCache(response, Integer.parseInt(value));
						}else{
							ResponseUtils.httpCache(response, value);
						}
					}else{
						httpHeaders.set(header.name(), value);
					}
				}
			}
		}
	}

}