[英]java- require basic examples showing use of new HTTP Client (v4.x)
[英]Java- apache http client- usage examples showing use of cookies and extracting response from HTTPResponse object
我在java web应用程序中使用apache http client(v4),我遇到以下情况,我需要简单的用法示例 -
(1)如何将Cookie与Apache HTTP客户端一起使用,可以使用不同的cookie选项
(2)当HTTPResponse对象中的响应可用时,提取字符集,mimetype,响应头(作为KeyValuePair)和budy(作为byte [])。
1)用于cookie的AS,请参阅exapmle:
httpcomponents-客户4.1.3 \\例子\\组织\\阿帕奇\\ HTTP \\例子\\客户\\ ClientCustomContext.java
主要代码:
HttpClient httpclient = new DefaultHttpClient();
try {
// Create a local instance of cookie store
CookieStore cookieStore = new BasicCookieStore();
// Create local HTTP context
HttpContext localContext = new BasicHttpContext();
// Bind custom cookie store to the local context
localContext.setAttribute(ClientContext.COOKIE_STORE, cookieStore);
HttpGet httpget = new HttpGet("http://www.google.com/");
System.out.println("executing request " + httpget.getURI());
// Pass local context as a parameter
HttpResponse response = httpclient.execute(httpget, localContext);
} finally {
// When HttpClient instance is no longer needed,
// shut down the connection manager to ensure
// immediate deallocation of all system resources
httpclient.getConnectionManager().shutdown();
}
2)您可以从响应中获得所需的一切:
HttpEntity entity = response.getEntity();
entity.getContent()
只需阅读httpcomponents-client-4.1.3-bin.zip的httpcomponents-client-4.1.3 \\ examples \\ org \\ apache \\ http \\ examples \\ client中的示例,该文件从其网站下载。
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