update feed & group http client calls

Author: toddtreece

src/AdafruitIO_Feed.cpp

@@ -105,11 +105,14 @@ bool AdafruitIO_Feed::save(double value, double lat, double lon, double ele, int
 
 bool AdafruitIO_Feed::exists()
 {
-  _io->_http->startRequest(_feed_url, HTTP_METHOD_GET);
+  _io->_http->beginRequest();
+  _io->_http->get(_feed_url);
   _io->_http->sendHeader("X-AIO-Key", _io->_key);
   _io->_http->endRequest();
+
   int status = _io->_http->responseStatusCode();
   _io->_http->responseBody(); // needs to be read even if not used
+
   return status == 200;
 }
 
@@ -118,15 +121,25 @@ bool AdafruitIO_Feed::create()
   String body = "name=";
   body += name;
 
-  _io->_http->startRequest(_create_url, HTTP_METHOD_POST);
-  _io->_http->sendHeader(HTTP_HEADER_CONTENT_TYPE, "application/x-www-form-urlencoded");
-  _io->_http->sendHeader(HTTP_HEADER_CONTENT_LENGTH, body.length());
+  _io->_http->beginRequest();
+  _io->_http->post(_create_url);
+
+  _io->_http->sendHeader("Content-Type", "application/x-www-form-urlencoded");
+  _io->_http->sendHeader("Content-Length", body.length());
   _io->_http->sendHeader("X-AIO-Key", _io->_key);
+
+  // the following call to endRequest
+  // should be replaced by beginBody once the
+  // Arduino HTTP Client Library is updated
+  // _io->_http->beginBody();
+  _io->_http->endRequest();
+
+  _io->_http->print(body);
   _io->_http->endRequest();
-  _io->_http->write((const byte*)body.c_str(), body.length());
 
   int status = _io->_http->responseStatusCode();
   _io->_http->responseBody(); // needs to be read even if not used
+
   return status == 201;
 }
 

src/AdafruitIO_Group.cpp

@@ -283,9 +283,11 @@ void AdafruitIO_Group::setLocation(double lat, double lon, double ele)
 
 bool AdafruitIO_Group::exists()
 {
-  _io->_http->startRequest(_group_url, HTTP_METHOD_GET);
+  _io->_http->beginRequest();
+  _io->_http->get(_group_url);
   _io->_http->sendHeader("X-AIO-Key", _io->_key);
   _io->_http->endRequest();
+
   int status = _io->_http->responseStatusCode();
   _io->_http->responseBody(); // needs to be read even if not used
   return status == 200;
@@ -296,19 +298,27 @@ bool AdafruitIO_Group::create()
   String body = "name=";
   body += name;
 
-  _io->_http->startRequest(_create_url, HTTP_METHOD_POST);
-  _io->_http->sendHeader(HTTP_HEADER_CONTENT_TYPE, "application/x-www-form-urlencoded");
-  _io->_http->sendHeader(HTTP_HEADER_CONTENT_LENGTH, body.length());
+  _io->_http->beginRequest();
+  _io->_http->post(_create_url);
+
+  _io->_http->sendHeader("Content-Type", "application/x-www-form-urlencoded");
+  _io->_http->sendHeader("Content-Length", body.length());
   _io->_http->sendHeader("X-AIO-Key", _io->_key);
+
+  // the following call to endRequest
+  // should be replaced by beginBody once the
+  // Arduino HTTP Client Library is updated
+  // _io->_http->beginBody();
+  _io->_http->endRequest();
+
+  _io->_http->print(body);
   _io->_http->endRequest();
-  _io->_http->write((const byte*)body.c_str(), body.length());
 
   int status = _io->_http->responseStatusCode();
   _io->_http->responseBody(); // needs to be read even if not used
   return status == 201;
 }
 
-
 void AdafruitIO_Group::_init()
 {