Simple-HTTP

简介

抽取一个简单 HTTP 的通用接口，底层实现根据具体引入依赖指定。

<dependency>
  <groupId>com.xkcoding.http</groupId>
  <artifactId>simple-http</artifactId>
  <version>1.0.5</version>
</dependency>

特点

默认会按照下面的优先级自行寻找底层实现，java 11 HttpClient -> OkHttp3 -> apache HttpClient -> hutool-http
也可以自行实现 com.xkcoding.http.support.Http 接口，通过 HttpUtil.setHttp(new MyHttpImpl()) 设置进来
可以配置超时时间及代理

HttpUtil.setConfig(HttpConfig.builder()
			.timeout(Constants.DEFAULT_TIMEOUT)
			.proxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("127.0.0.1", 10080)))
			.build());
SimpleHttpResponse response = HttpUtil.get("https://www.google.com");
System.out.println("code = " + response.getCode());
System.out.println("body = " + response.getBody());

TODO

~~集成 JDK11 的 HTTPClient~~(感谢@春哥的 PR#1)
~~支持代理~~(感谢@亚东的 PR#7)
~~Response 封装~~(感谢@小海的 PR#11)

com.xkcoding.http.exception.SimpleHttpException: java.net.http.HttpConnectTimeoutException: HTTP connect timed out

在JustAuth中报错timeout。
com.xkcoding.http.HttpUtil 创建的http实现内中都写死timeout为3000导致集成国外第三方网站全部超时，建议提供timeout参数供配置。

错误日志：
2020-04-25 16:57:35 http-nio-8085-exec-2 me.zhyd.oauth.log.Log(error:45) [ERROR] - Failed to login with oauth authorization.
com.xkcoding.http.exception.SimpleHttpException: java.net.http.HttpConnectTimeoutException: HTTP connect timed out
at com.xkcoding.http.support.java11.HttpClientImpl.exec(HttpClientImpl.java:56)
at com.xkcoding.http.support.java11.HttpClientImpl.post(HttpClientImpl.java:169)
at com.xkcoding.http.support.java11.HttpClientImpl.post(HttpClientImpl.java:141)
at com.xkcoding.http.support.java11.HttpClientImpl.post(HttpClientImpl.java:128)
at com.xkcoding.http.HttpUtil.post(HttpUtil.java:120)
at me.zhyd.oauth.request.AuthDefaultRequest.doPostAuthorizationCode(AuthDefaultRequest.java:213)
at me.zhyd.oauth.request.AuthGithubRequest.getAccessToken(AuthGithubRequest.java:34)
at me.zhyd.oauth.request.AuthDefaultRequest.login(AuthDefaultRequest.java:79)
at org.openmall.mall.portal.ums.controller.RestAuthController.login(RestAuthController.java:48)

对应需要修改代码：
com.xkcoding.http.HttpUtil
static {
Http defaultProxy = null;
ClassLoader classLoader = HttpUtil.class.getClassLoader();
if (ClassUtil.isPresent("java.net.http.HttpClient", classLoader)) {
defaultProxy = new HttpClientImpl();
} else if (ClassUtil.isPresent("okhttp3.OkHttpClient", classLoader)) {
defaultProxy = new OkHttp3Impl();
} else if (ClassUtil.isPresent("org.apache.http.impl.client.HttpClients", classLoader)) {
defaultProxy = new com.xkcoding.http.support.httpclient.HttpClientImpl();
} else if (ClassUtil.isPresent("cn.hutool.http.HttpRequest", classLoader)) {
defaultProxy = new HutoolImpl();
}

    proxy = (Http)defaultProxy;
}

HttpClientImpl:
public HttpClientImpl() {
this(HttpClient.newBuilder().connectTimeout(Duration.ofMillis(3000L)).build());
}

OkHttp3Impl:
public OkHttp3Impl() {
this((new OkHttpClient()).newBuilder().connectTimeout(Duration.ofMillis(3000L)).writeTimeout(Duration.ofMillis(3000L)).readTimeout(Duration.ofMillis(3000L)).build());
}

HutoolImpl:
request = request.timeout(3000);

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