Spring Library中的REST（RestTemplate）是否支持HTTPS协议？ [英] Does REST (RestTemplate) in Spring Library support HTTPS protocol?

问题描述

我正在尝试通过 HTTPS 协议连接到网络服务器，但是 response.getBody（）返回 null 并且必须返回JSON数组。 statusCode 是200且标题包含正确的信息，只有正文 null 。为此，我使用标准的Spring RestTemplate API（ postForEntity（））。也许为了做到这一点，我必须使用一些特殊的Sping API？

很遗憾我在Spring REST中找不到有关 HTTPS 支持和 SSL /'TLS'证书的任何信息文档（非常有限）。

I'm trying to connect to the web server via HTTPS protocol, but response.getBody() returns null and have to return a JSON array. statusCode is 200 and headers contain correct information, only body is null. I use standard Spring RestTemplate API for this purpose (postForEntity()). Maybe in order to do this I have to use some special Sping API?

Unfortunately I couldn't find any information about HTTPS support and SSL/'TLS' certificates in Spring REST documentation (it is quite limited).

推荐答案

您可以配置 RestTemplate 使用 HttpComponentsClientHttpRequestFactory ，例如：

You can configure the RestTemplate with the HttpComponentsClientHttpRequestFactory, for example:

<bean id="httpComponentsClientHttpRequestFactory" class="org.springframework.http.client.HttpComponentsClientHttpRequestFactory"/>

<bean id="restTemplate" class="org.springframework.web.client.RestTemplate">
    <constructor-arg ref="httpComponentsClientHttpRequestFactory"/>
</bean>

这允许 RestTemplate 使用< a href =http://hc.apache.org/httpcomponents-client-ga/httpclient/ =noreferrer>引擎盖下的Apache HttpComponents HttpClient ，它绝对支持SSL。

That allows the RestTemplate to use the Apache HttpComponents HttpClient under the hood, which definitely supports SSL.

看起来像提供的 HttpClient HttpComponentsClientHttpRequestFactory 支持开箱即用的SSL ，因此您可能几乎不需要配置。

It looks like the HttpClient provided by HttpComponentsClientHttpRequestFactory supports SSL out of the box, so there may be almost no configuration required on your side.

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