Apache HttpComponents 如何在正常结束前中止一个HTTP请求

怼烎@ 2022-03-27 01:28 160阅读 0赞

package org.apache.http.examples.client;
    
    import org.apache.http.HttpEntity;
    import org.apache.http.HttpResponse;
    import org.apache.http.client.HttpClient;
    import org.apache.http.client.methods.HttpGet;
    import org.apache.http.impl.client.DefaultHttpClient;
    
    /**
     * This example demonstrates how to abort an HTTP method before its normal completion.
     */
    public class ClientAbortMethod {
    
        public final static void main(String[] args) throws Exception {
            HttpClient httpclient = new DefaultHttpClient();
            try {
                HttpGet httpget = new HttpGet("http://www.apache.org/");
    
                System.out.println("executing request " + httpget.getURI());
                HttpResponse response = httpclient.execute(httpget);
                HttpEntity entity = response.getEntity();
    
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                if (entity != null) {
                    System.out.println("Response content length: " + entity.getContentLength());
                }
                System.out.println("----------------------------------------");
    
                // Do not feel like reading the response body
                // Call abort on the request object
                httpget.abort();
            } finally {
                // When HttpClient instance is no longer needed,
                // shut down the connection manager to ensure
                // immediate deallocation of all system resources
                httpclient.getConnectionManager().shutdown();
            }
        }
    
    }