public Response executeFeed(final String url, final String methodType,
final Map<String, String> params,
final Map<String, String> headerParams, final String body)
throws Exception {
if (accessGrant == null) {
throw new SocialAuthException(
"Please call verifyResponse function first to get Access Token");
}
String reqURL = url;
String bodyStr = body;
StringBuffer sb = new StringBuffer();