java http请求头设置强制服务端返回不同格式结果

最新推荐文章于 2024-09-10 07:00:00 发布

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最新推荐文章于 2024-09-10 07:00:00 发布

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本文演示了如何利用Apache HttpClient创建预配置支持集成Windows身份验证的客户端。通过具体代码实例，展示了如何发送HTTP GET请求并处理响应。

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/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package org.apache.http.examples.client.win;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.WinHttpClients;

/**
 * This example demonstrates how to create HttpClient pre-configured with
 * support for integrated Windows authentication.
 */
public class ClientWinAuth {

    public final static void main(String[] args) throws Exception {

        if (!WinHttpClients.isWinAuthAvailable()) {
            System.out.println("Integrated Win auth is not supported!!!");
        }

        CloseableHttpClient httpclient = WinHttpClients.createDefault();
        // There is no need to provide user credentials
        // HttpClient will attempt to access current user security context through
        // Windows platform specific methods via JNI.
        try {
//            HttpGet httpget = new HttpGet("http://10.0.1.209:8084/WebServletTest/ServletTest");
            HttpGet httpget = new HttpGet("http://changba.com/s/rXjwse6PBuNQd4fROXSh_Q");
            httpget.addHeader("User-Agent", "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.23 Mobile Safari/537.36");
            System.out.println("Executing request " + httpget.getRequestLine());
            CloseableHttpResponse response = httpclient.execute(httpget);
            try {
//                System.out.println("----------------------------------------");
//                System.out.println(response.getStatusLine());
//                System.out.println(response.getProtocolVersion());
                HttpEntity httpEntity = response.getEntity();
                InputStream is = null;
                if (response.getEntity() != null) {
                    is = httpEntity.getContent();
                }
                String message = ConvertStreamToString(is);
                System.out.println("message=" + message);
//                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }

    public static String ConvertStreamToString(InputStream is) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        StringBuilder sb = new StringBuilder();
        String line = null;
        try {
            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }
        } catch (IOException e) {
            System.out.println("Error=" + e.toString());
        } finally {
            try {
                is.close();
            } catch (IOException e) {
                System.out.println("Error=" + e.toString());
            }
        }
        return sb.toString();
    }

}