如何用Java代码在SAP Marketing Cloud里创建contact数据

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import sun.misc.BASE64Encoder;

public class SimpleContactCreator {

	private ConfigUtil mConfigUtil = new ConfigUtil();
	
	HttpClient m_httpClient;

	private String getBasicAuth(){
		final String text = mConfigUtil.getConfig("user") + ":" + mConfigUtil.getConfig("password");		
		BASE64Encoder encoder = new BASE64Encoder();
		String credentials = "basic " + encoder.encode(text.getBytes());
		return credentials;
	}
	
	private HttpClient getHttpClient() {
		if (this.m_httpClient == null) {
			this.m_httpClient = HttpClientBuilder.create().build();
		}
		return this.m_httpClient;
	}
	
	private String getCSRFToken(){
		
		String url = mConfigUtil.getConfig("tokenurl");
		System.out.println("fetch CSRF token via url: " + url);
		final HttpGet get = new HttpGet(url);
		get.setHeader("Authorization", getBasicAuth());
		get.setHeader("Cache-Control", "no-cache");
		get.setHeader("content-type", "application/json");
		get.setHeader("Accept", "application/json");
		get.setHeader("x-csrf-token", "fetch");

		HttpResponse response;
		String token = null;
		try {
			response = getHttpClient().execute(get);
			StatusLine statusLine = response.getStatusLine();
			int code = statusLine.getStatusCode();
			System.out.println("Status code: " + code);
			System.out.println("reason: " + statusLine.getReasonPhrase());
			
			token = response.getFirstHeader("x-csrf-token").getValue();
			System.out.println("token: " + token);
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException | UnsupportedOperationException e) {
			e.printStackTrace();
		}
		return token;
	}
	
	public void run(String body){
		String token = getCSRFToken();
		createContact(token, body);
	}
	private void createContact(String token, String body){
		final HttpPost post = new HttpPost(
			URI.create(mConfigUtil.getConfig("contactcreateurl")));
		post.setHeader("Authorization", getBasicAuth());
		post.setHeader("Content-Type", "application/json");
		post.setHeader("X-CSRF-Token", token);
		HttpEntity entity = null;
		try {
			entity = new StringEntity(body);
		} catch (UnsupportedEncodingException e) {
		e.printStackTrace();
		}
		post.setEntity(entity);

		HttpResponse response = null;
		try {
			response = getHttpClient().execute(post);
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

		System.out.println("Response statusCode for Batch => "
			+ response.getStatusLine().getStatusCode());
	}

	public static void main(String[] args) {
		SimpleContactCreator tool = new SimpleContactCreator();
		String body = "{\"IsConsumer\":true," + 
                      "\"Filter\":{\"MarketingArea\":\"CXXGLOBAL\"}," + 
                      "\"__metadata\":{\"type\":\"CUAN_CONTACT_SRV.InteractionContact\"}," + 
                      "\"FirstName\":\"SAP Diablo\",\"LastName\":\"SAP Wang\",\"Country\":\"CN\"," + 
                      "\"EMailAddress\":\"seya@sap.com\",\"YY1_WECHATID_MPS\":\"i042416\"," + 
                      "\"YY1_FACEID_MPS\":\"d042416\"}";
		tool.run(body);
	}
}