RestUtil.java
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package com.huaheng.common.utils.restful;
import com.alibaba.fastjson.JSONObject;
import com.huaheng.framework.aspectj.ApiLogAspect;
import com.huaheng.pc.monitor.apilog.domain.ApiLog;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.http.*;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;
import java.nio.charset.StandardCharsets;
import java.util.Iterator;
import java.util.Map;
/**
* 调用 Restful 接口 Util
*
* @author sunjianlei
*/
@Slf4j
public class RestUtil {
private static String domain = null;
public static String path = null;
public static String getPath() {
if (path == null) {
path = SpringContextUtils.getApplicationContext().getEnvironment().getProperty("server.servlet.context-path");
}
return oConvertUtils.getString(path);
}
/**
* RestAPI 调用器
*/
private final static RestTemplate RT;
static {
SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
requestFactory.setConnectTimeout(10 * 1000);
// 设置连接超时时间
requestFactory.setReadTimeout(10 * 1000);
// 设置读取超时时间
RT = new RestTemplate(requestFactory);
// 解决乱码问题
RT.getMessageConverters().set(1, new StringHttpMessageConverter(StandardCharsets.UTF_8));
}
public static RestTemplate getRestTemplate() {
return RT;
}
/**
* 发送 get 请求
*/
public static JSONObject get(String url) {
return getNative(url, null, null).getBody();
}
/**
* 发送 get 请求
*/
public static JSONObject get(String url, JSONObject variables) {
return getNative(url, variables, null).getBody();
}
/**
* 发送 get 请求
*/
public static JSONObject get(String url, JSONObject variables, JSONObject params) {
return getNative(url, variables, params).getBody();
}
/**
* 发送 get 请求，返回原生 ResponseEntity 对象
*/
public static ResponseEntity<JSONObject> getNative(String url, JSONObject variables, JSONObject params) {
return request(url, HttpMethod.GET, variables, params);
}
/**
* 发送 Post 请求
*/
public static JSONObject post(String url) {
return postNative(url, null, null).getBody();
}
/**
* 发送 Post 请求
*/
public static JSONObject post(String url, JSONObject params) {
return postNative(url, null, params).getBody();
}
/**
* 发送 Post 请求
*/
public static JSONObject post(String url, JSONObject variables, JSONObject params) {
return postNative(url, variables, params).getBody();
}
/**
* 发送 POST 请求，返回原生 ResponseEntity 对象
*/
public static ResponseEntity<JSONObject> postNative(String url, JSONObject variables, JSONObject params) {
return request(url, HttpMethod.POST, variables, params);
}
/**
* 发送 put 请求
*/
public static JSONObject put(String url) {
return putNative(url, null, null).getBody();
}
/**
* 发送 put 请求
*/
public static JSONObject put(String url, JSONObject params) {
return putNative(url, null, params).getBody();
}
/**
* 发送 put 请求
*/
public static JSONObject put(String url, JSONObject variables, JSONObject params) {
return putNative(url, variables, params).getBody();
}
/**
* 发送 put 请求，返回原生 ResponseEntity 对象
*/
public static ResponseEntity<JSONObject> putNative(String url, JSONObject variables, JSONObject params) {
return request(url, HttpMethod.PUT, variables, params);
}
/**
* 发送 delete 请求
*/
public static JSONObject delete(String url) {
return deleteNative(url, null, null).getBody();
}
/**
* 发送 delete 请求
*/
public static JSONObject delete(String url, JSONObject variables, JSONObject params) {
return deleteNative(url, variables, params).getBody();
}
/**
* 发送 delete 请求，返回原生 ResponseEntity 对象
*/
public static ResponseEntity<JSONObject> deleteNative(String url, JSONObject variables, JSONObject params) {
return request(url, HttpMethod.DELETE, null, variables, params, JSONObject.class, null);
}
/**
* 发送请求
*/
public static ResponseEntity<JSONObject> request(String url, HttpMethod method, JSONObject variables, JSONObject params) {
return request(url, method, getHeaderApplicationJson(), variables, params, JSONObject.class, null);
}
/**
* 发送POST请求(json,po)
*/
public static ResponseEntity<JSONObject> request_post(String url, String warehouseCode, Object JsonParam) {
HttpMethod method = HttpMethod.POST;
HttpHeaders Research = new HttpHeaders();
Research.setContentType(MediaType.valueOf("application/json;charset=UTF-8"));
return request(url, method, Research, null, JsonParam, JSONObject.class, warehouseCode);
}
/**
* 发送请求
*
* @param url 请求地址
* @param method 请求方式
* @param headers 请求头 可空
* @param variables 请求url参数 可空
* @param params 请求body参数 可空
* @param responseType 返回类型
* @return ResponseEntity<responseType>
*/
public static <T> ResponseEntity<T> request(String url, HttpMethod method, HttpHeaders headers, JSONObject variables, Object params, Class<T> responseType, String warehouseCode) {
log.info("sendSSLPost - {}", url);
String msg = "WMS请求发送成功，接收返回内容是空的";
ResponseEntity<T> exchange = null;
ApiLog log = null;
try {
if (StringUtils.isEmpty(url)) {
throw new RuntimeException("url 不能为空");
}
if (method == null) {
throw new RuntimeException("method 不能为空");
}
if (headers == null) {
headers = new HttpHeaders();
}
// 请求体
String body = "";
if (params != null) {
if (params instanceof JSONObject) {
body = ((JSONObject) params).toJSONString();
} else {
body = params.toString();
}
}
// 拼接 url 参数
if (variables != null) {
url += ("?" + asUrlVariables(variables));
}
// 发送请求
HttpEntity<String> request = new HttpEntity<>(body, headers);
String param = params + "";
//先初始化
log = ApiLogAspect.initApiLog(method.name(), url, param, headers, warehouseCode);
exchange = RT.exchange(url, method, request, responseType);
if (exchange != null) {
msg = String.valueOf(exchange.getBody());
}
} catch (Exception e) {
//错误信息写到日志
ApiLogAspect.setApiLogException(log, e);
e.printStackTrace();
} finally {
//写入数据库
ApiLogAspect.finishApiLog(log, headers, msg);
}
return exchange;
}
/**
* 获取JSON请求头
*/
public static HttpHeaders getHeaderApplicationJson() {
return getHeader(MediaType.APPLICATION_JSON_UTF8_VALUE);
}
/**
* 获取请求头
*/
public static HttpHeaders getHeader(String mediaType) {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.parseMediaType(mediaType));
headers.add("Accept", mediaType);
return headers;
}
/**
* 将 JSONObject 转为 a=1&b=2&c=3...&n=n 的形式
*/
public static String asUrlVariables(JSONObject variables) {
Map<String, Object> source = variables.getInnerMap();
Iterator<String> it = source.keySet().iterator();
StringBuilder urlVariables = new StringBuilder();
while (it.hasNext()) {
String key = it.next();
String value = "";
Object object = source.get(key);
if (object != null) {
if (!StringUtils.isEmpty(object.toString())) {
value = object.toString();
}
}
urlVariables.append("&").append(key).append("=").append(value);
}
// 去掉第一个&
return urlVariables.substring(1);
}
}