week02/bwie-gateway/src/main/java/com/bwie/gateway/utils/GatewayUtils.java

66 lines
3.0 KiB
Java

package com.bwie.gateway.utils;
import com.alibaba.fastjson.JSONObject;
import com.bwie.common.result.Result;
import com.bwie.common.utils.StringUtils;
import lombok.extern.log4j.Log4j2;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;
@Log4j2
public class GatewayUtils {
public static void addHeader(ServerHttpRequest.Builder mutate, String key, Object value) {
if (StringUtils.isEmpty(key)){
log.warn("添加请求头参数键不可以为空");
return;
}
if (value == null) {
log.warn("添加请求头参数:[{}]值为空",key);
return;
}
String valueStr = value.toString();
mutate.header(key, valueStr);
log.info("添加请求头参数成功 - 键:[{}] , 值:[{}]", key , value);
}
public static void removeHeader(ServerHttpRequest.Builder mutate, String key) {
if (StringUtils.isEmpty(key)){
log.warn("删除请求头参数键不可以为空");
return;
}
mutate.headers(httpHeaders -> httpHeaders.remove(key)).build();
log.info("删除请求头参数 - 键:[{}]",key);
}
public static Mono<Void> errorResponse(ServerWebExchange exchange, String msg, HttpStatus httpStatus) {
ServerHttpResponse response = exchange.getResponse();
//设置HTTP响应头状态
response.setStatusCode(httpStatus);
//设置HTTP响应头文本格式
response.getHeaders().add(HttpHeaders.CONTENT_TYPE, "application/json");
//定义响应内容
Result<?> result = Result.error(msg);
String resultJson = JSONObject.toJSONString(result);
log.error("[鉴权异常处理]请求路径:[{}],异常信息:[{}],响应结果:[{}]", exchange.getRequest().getPath(), msg, resultJson);
DataBuffer dataBuffer = response.bufferFactory().wrap(resultJson.getBytes());
//进行响应
return response.writeWith(Mono.just(dataBuffer));
}
public static Mono<Void> errorResponse(ServerWebExchange exchange, String msg) {
ServerHttpResponse response = exchange.getResponse();
response.setStatusCode(HttpStatus.OK);
response.getHeaders().add(HttpHeaders.CONTENT_TYPE, "application/json");
Result<?> result = Result.error(msg);
String resultJson = JSONObject.toJSONString(result);
log.error("[鉴权异常处理]请求路径:[{}],异常信息:[{}],响应结果:[{}]", exchange.getRequest().getPath(), msg, resultJson);
DataBuffer dataBuffer = response.bufferFactory().wrap(resultJson.getBytes());
//进行响应
return response.writeWith(Mono.just(dataBuffer));
}
}