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Posted to commits@servicecomb.apache.org by GitBox <gi...@apache.org> on 2019/12/30 03:31:56 UTC
[GitHub] [servicecomb-java-chassis] sunjinghan7331 opened a new issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
sunjinghan7331 opened a new issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503
consumer在使用restTemplate调用provider接口时，如何设置request header的信息，如常用的Content-Type，或者自定义的 Authorization等信息？
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569593804
你可以试试 @afan321 的方法，采用HttpEnetity传递header。 但是需要注意，这个限制了底层通信使用REST（即HTTP）. 更通用的方式是采用 [Context](https://docs.servicecomb.io/java-chassis/zh_CN/general-development/context.html)， 可以参考 [fence](https://github.com/apache/servicecomb-fence) 认证鉴权的实现.
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[GitHub] [servicecomb-java-chassis] sunjinghan7331 edited a comment on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
sunjinghan7331 edited a comment on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569602813
> 我写过的一个方法 你可参考下 /**
> * @param url 请求地址
> * @param bodyParam 请求体
> * @param headerParam 头部信息
> * @param rClass 返回体类型
> * @param 请求体类型
> * @param 返回体类型
> * @return 返回结果
> */
> public <T, R> R doPost(String url, T bodyParam, Map<String, String> headerParam, Class rClass) {
>
> ```
> if (null == rClass || StringUtils.isEmpty(url)) {
> throw new ExecuteFailedResponse("url is empty or restTemplate is null.");
> }
> HttpHeaders requestHeaders = new HttpHeaders();
> if (null != headerParam) {
> headerParam.entrySet().forEach(entrySet -> requestHeaders.add(entrySet.getKey(), entrySet.getValue()));
> }
> HttpEntity<T> requestEntity = new HttpEntity<T>(bodyParam, requestHeaders);
> ResponseEntity<Object> response = restTemplate.exchange(url, HttpMethod.POST, requestEntity, Object.class);
>
> return transforObjet(rClass, response.getBody());
> }
> ```
我使用了你的方法，可以得到正确的返回数据，但是我无法获得这些数据。详细说明一下，在我的provider工程中，我以
TenantResponse tenant = new TenantResponse();
tenant.setUsername("username");
tenant.setPassword("password");
return Response.ok().entity(tenant).build();
作为我的接口返回值，Response是javax.ws.rs.core中的类。
在我的consumer中调用此接口，
String token = "Basic tl3JfTTNKkii42th4b/IjA==";
HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.add("Authorization", token);
HttpEntity entity = new HttpEntity(requestHeaders);
ResponseEntity<TenantResponse> response = restTemplate.exchange("cse://user-mgmt-be/v1/users/userId", HttpMethod.GET, entity, TenantResponse.class);
System.out.prinln(response .getBody().getUsername());
由于consumer与provider是两个不同的微服务，所以TenantResponse类是在两个微服务中分别定义的，但是具有同样的字段。不过在response.getBody()时提示ClassCastException，provider的TenantResponse不能转化为consumer的TenantResponse，请问应该如何解决？
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[GitHub] [servicecomb-java-chassis] afan321 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
afan321 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569615702
遇见过这个问题 好像是这个版本的CSE对这参数类型有强校验 所以 ResponseEntity<Object> response = restTemplate.exchange(url, HttpMethod.POST, requestEntity, Object.class) 我用object去接返回值,然后再转化成想要的类型
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[GitHub] [servicecomb-java-chassis] sunjinghan7331 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
sunjinghan7331 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569602813
> 我写过的一个方法 你可参考下 /**
> * @param url 请求地址
> * @param bodyParam 请求体
> * @param headerParam 头部信息
> * @param rClass 返回体类型
> * @param 请求体类型
> * @param 返回体类型
> * @return 返回结果
> */
> public <T, R> R doPost(String url, T bodyParam, Map<String, String> headerParam, Class rClass) {
>
> ```
> if (null == rClass || StringUtils.isEmpty(url)) {
> throw new ExecuteFailedResponse("url is empty or restTemplate is null.");
> }
> HttpHeaders requestHeaders = new HttpHeaders();
> if (null != headerParam) {
> headerParam.entrySet().forEach(entrySet -> requestHeaders.add(entrySet.getKey(), entrySet.getValue()));
> }
> HttpEntity<T> requestEntity = new HttpEntity<T>(bodyParam, requestHeaders);
> ResponseEntity<Object> response = restTemplate.exchange(url, HttpMethod.POST, requestEntity, Object.class);
>
> return transforObjet(rClass, response.getBody());
> }
> ```
我使用了你的方法，可以得到正确的返回数据，但是我无法获得这些数据。详细说明一下，在我的provider工程中，我以
`TenantResponse tenant = new TenantResponse();
tenant.setUsername("username");
tenant.setPassword("password");
return Response.ok().entity(tenant).build();`
作为我的接口返回值，Response是javax.ws.rs.core中的类。
在我的consumer中调用此接口，
`String token = "Basic tl3JfTTNKkii42th4b/IjA==";
HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.add("Authorization", token);
HttpEntity entity = new HttpEntity(requestHeaders);
ResponseEntity<TenantResponse> response = restTemplate.exchange("cse://user-mgmt-be/v1/users/userId", HttpMethod.GET, entity, TenantResponse.class);
System.out.prinln(response .getBody().getUsername());`
由于consumer与provider是两个不同的微服务，所以TenantResponse类是在两个微服务中分别定义的，但是具有同样的字段。不过在response.getBody()时提示ClassCastException，provider的TenantResponse不能转化为consumer的TenantResponse，请问应该如何解决？
----------------------------------------------------------------
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[GitHub] [servicecomb-java-chassis] yhs0092 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
yhs0092 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569617251
>
>
> 遇见过这个问题 好像是这个版本的CSE对这参数类型有强校验 所以 ResponseEntity response = restTemplate.exchange(url, HttpMethod.POST, requestEntity, Object.class) 我用object去接返回值,然后再转化成想要的类型
强类型版本的Java-Chassis（1.x版本）会对RestTemplate的返回值类型有严格校验。要求返回值类型的包名和类名跟provider端服务契约声明的返回值类型完全一致（类型信息记录在契约的`x-java-class`属性里）。
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[GitHub] [servicecomb-java-chassis] afan321 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
afan321 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569589358
我写过的一个方法 你可参考下 /**
* @param url 请求地址
* @param bodyParam 请求体
* @param headerParam 头部信息
* @param rClass 返回体类型
* @param <T> 请求体类型
* @param <R> 返回体类型
* @return 返回结果
*/
public <T, R> R doPost(String url, T bodyParam, Map<String, String> headerParam, Class<R> rClass) {
if (null == rClass || StringUtils.isEmpty(url)) {
throw new ExecuteFailedResponse("url is empty or restTemplate is null.");
}
HttpHeaders requestHeaders = new HttpHeaders();
if (null != headerParam) {
headerParam.entrySet().forEach(entrySet -> requestHeaders.add(entrySet.getKey(), entrySet.getValue()));
}
HttpEntity<T> requestEntity = new HttpEntity<T>(bodyParam, requestHeaders);
ResponseEntity<Object> response = restTemplate.exchange(url, HttpMethod.POST, requestEntity, Object.class);
return transforObjet(rClass, response.getBody());
}
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[GitHub] [servicecomb-java-chassis] sunjinghan7331 closed issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
sunjinghan7331 closed issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503
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[GitHub] [servicecomb-java-chassis] sunjinghan7331 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
sunjinghan7331 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569600857
> 你可以试试 @afan321 的方法，采用HttpEnetity传递header。 但是需要注意，这个限制了底层通信使用REST（即HTTP）. 更通用的方式是采用 [Context](https://docs.servicecomb.io/java-chassis/zh_CN/general-development/context.html)， 可以参考 [fence](https://github.com/apache/servicecomb-fence) 认证鉴权的实现.
好的，谢谢
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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #1503: 使用restTemplate调用provider接口时如何设置请求头信息
URL: https://github.com/apache/servicecomb-java-chassis/issues/1503#issuecomment-569841100
2.0版本会支持这种使用方式。
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