修改经过Spring Gateway的Json数据 - ToB企服应用市场:ToB评测及商务社交产业平台

@Component
@Slf4j
public class RequestModifyFilter implements GlobalFilter, Ordered {
@Autowired
private ModifyRequestBodyGatewayFilterFactory modifyRequestBodyFilter;
@Autowired
private JsonRequestBodyRewriteService jsonRequestBodyRewriteService;
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
MediaType mediaType = exchange.getRequest().getHeaders().getContentType();
if (MediaType.APPLICATION_json.isCompatibleWith(mediaType)) {
// 纯json报文处理逻辑
return modifyRequestBodyFilter
.apply(
new ModifyRequestBodyGatewayFilterFactory.Config()
.setRewriteFunction(byte[].class, byte[].class, jsonRequestBodyRewriteService))
.filter(exchange, chain);
} else {
return filter(exchange, chain);
}
}
@Override
public int getOrder() {
return OrderConstant.REQUEST_MODIFY_FILTER.getOrder();
}
}

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@Service
@Slf4j
public class JsonRequestBodyRewriteService implements RewriteFunction<byte[], byte[]> {
@Override
public Publisher<byte[]> apply(ServerWebExchange exchange, byte[] body) {
jsonObject request = jsonUtil.parseObj(body);
log.info("原始报文:{}", request.toString());
try {
request.set("empId", "2345");
request.set("department", "Engineering");
log.info("修改后报文:{}", request);
return Mono.just(request.toString().getBytes());
} catch (Exception e) {
log.error("修改报文时出错",e);
throw e;
}
}
}

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