RETRIEVE A ZIP FILE OF DOCUMENTS

package com.oss.java.springdemo;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;

import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

public class restTemplate_save_zip_file {
	public static void main(String[] args) throws IOException {
		String url = "https://sandbox.esignlive.com/api/packages/HHyaOMtEKih9Tw4Cmk2txwZv-4w=/documents/zip";

		RestTemplate restTemplate = new RestTemplate();
		HttpHeaders headers = new HttpHeaders();
		headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
		headers.add("Authorization", "Basic your_api_key");
		HttpEntity> request = new HttpEntity>(null,
				headers);
		ResponseEntity response = restTemplate.exchange(url, HttpMethod.GET, request, byte[].class);

		if (response.getStatusCode() == HttpStatus.OK) {
			Files.write(Paths.get("HHyaOMtEKih9Tw4Cmk2txwZv-4w=.zip"), response.getBody());
		}
	}
}