使用简单的Java代码在SAP C4C里创建销售订单

package odata;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
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;
public class SimpleOrderCreator {
  private final String SERVICEURL = "https://my5000jerry.c4c.saphybriscloud.cn/sap/c4c/odata/cust/v1/zjerrysalesorder/CustomerQuoteCollection";
  HttpClient m_httpClient;
  private HttpClient getHttpClient() {
    if (this.m_httpClient == null) {
      this.m_httpClient = HttpClientBuilder.create().build();
    }
    return this.m_httpClient;
  }
  private String getCSRFToken(){
    final HttpGet get = new HttpGet(SERVICEURL);
    get.setHeader("Authorization", "Basic 0FOR0pFUlJZMTpTYXB0ZXN0MQ==");
    get.setHeader("x-csrf-token", "fetch");
    HttpHost proxy = new HttpHost("proxy.sha.jerry", 8080, "http");
    RequestConfig config = RequestConfig.custom().setProxy(proxy).build();
    get.setConfig(config);
    HttpResponse response;
    String token = null;
    try {
      response = getHttpClient().execute(get);
      /*Header[] header = response.getAllHeaders();
      for( int i =0; i < header.length; i++){
        System.out.println("Header: " + header[i].getValue());
      }*/
      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;
  }
  private void createSO(String token,String body) {
    final HttpPost post = new HttpPost(
        URI.create(SERVICEURL));
    post.setHeader("Authorization",
        "Basic 0FOR0pFUlJZMTpTYXB0ZXN0MQ==");
    post.setHeader("Content-Type", "application/json");
    post.setHeader("X-CSRF-Token", token);
    HttpEntity entity = null;
    try {
      entity = new StringEntity(body);
    } catch (UnsupportedEncodingException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    post.setEntity(entity);
    HttpResponse response = null;
    try {
      response = getHttpClient().execute(post);
    } catch (ClientProtocolException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    System.out.println("Response statusCode for Batch => "
        + response.getStatusLine().getStatusCode());
  }
  public static void main(String[] args) {
    SimpleOrderCreator tool = new SimpleOrderCreator();
    String token = tool.getCSRFToken();
    String body = "{" + 
    "\"Name\": \"Jerry Test 2019-1-23 16:05PM\"," + 
    "\"TypeCode\": \"2059\"," + 
    "\"BuyerID\":\"ee\"," + 
    "\"PartyID\":\"60102\", " + 
    "\"CustomerQuoteText\":[{" + 
      "\"Text\": \"test comment by Jerry Wang\", " + 
      "\"TypeCode\": \"10024\"" + 
    "}]," + 
    "\"CustomerQuoteItem\":[{ " + 
      "\"ProductID\": \"1042416\"" + 
    "}]," + 
    "\"CustomerQuoteItemProposal\":[{" + 
      "\"ProductUUID\": \"00163E72-09C6-1EE8-BBDC-AC5F0CB0D795\"," + 
      "\"Quantity\": \"1\"," + 
      "\"unitCode\": \"EA\"" + 
    "}]" + 
"}";
    tool.createSO(token, body);
  }
}