/**
* Do a general post request with binary data .
*
* @param url
* @param params
* @param body
* @return
* @throws IOException any network exception happen
*/
public HttpStatus doPost(String url, Map<String, String> params, byte[] body) throws IOException {
return doPost(url, null, params, HttpClientUtils.createEntity(body));
}
public HttpStatus doPost(
String url, Map<String, String> headers, Map<String, String> formParameters)
throws IOException {
return doPost(url, headers, null, HttpClientUtils.createEntity(formParameters));
}