Nifi-API-JAVA PUT请求

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class NifiApiJavaPutRequest {
    public static void main(String[] args) {
        try {
            // 设置PUT请求的URL
            URL url = new URL("https://api.example.com/nifi/resource");

            // 创建HttpURLConnection对象并设置请求方法为PUT
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("PUT");

            // 设置请求头
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("Authorization", "Bearer your_token");

            // 启用输出流并写入请求体数据
            connection.setDoOutput(true);
            OutputStream outputStream = connection.getOutputStream();
            String requestBody = "{\"key\": \"value\"}";
            outputStream.write(requestBody.getBytes());
            outputStream.flush();
            outputStream.close();

            // 获取响应结果
            int responseCode = connection.getResponseCode();
            BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            StringBuilder response = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                response.append(line);
            }
            reader.close();

            // 打印响应结果
            System.out.println("Response Code: " + responseCode);
            System.out.println("Response Body: " + response.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}