Initial commit

Lts/Common/LtsWebSocket/client_message_factory.cpp

@@ -0,0 +1,75 @@
+/**
+  * @RDE_HEADER@
+  * LTS web socket server - Abstract Client Message Factory
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Philipp Dassow, SLST, 2017-11-28
+  */
+
+#include "client_message_factory.h"
+
+#include "client_connection.h"
+#include "json_keys.h"
+
+#include <QJsonDocument>
+
+namespace LtsWebSocket
+{
+
+// ######## AbstractClientMessageFactory begin ########
+QJsonParseError AbstractClientMessageFactory::parseMessage(const QString &message)
+{
+  QJsonParseError error;
+  QJsonDocument doc = QJsonDocument::fromJson(message.toUtf8(), &error);
+
+  if (error.error != QJsonParseError::NoError)
+    return error;
+
+  QJsonObject obj = doc.object();
+
+  m_data   = obj.value(JsonKeys::DATA());
+  m_type   = obj.value(JsonKeys::TYPE()).toString();
+  m_typeId = obj.value(JsonKeys::TYPEID()).toInt();
+  m_uuid   = obj.value(JsonKeys::UUID_()).toString();
+
+  return error;
+}
+
+AbstractClientMessage *AbstractClientMessageFactory::checkAttributes(ReplyHandler *client,
+                                                                     const QString &message) const
+{
+  if (!m_uuid.isEmpty() && !m_type.isEmpty())
+    return nullptr;
+  if (m_uuid.isEmpty())
+  {
+    WARNING_LOG(m_logger) << "Got message without uuid: " << message << "'";
+    return new LtsWebSocket::InvalidMessage(client, QString(), QStringLiteral("Got message without uuid"));
+  }
+  WARNING_LOG(m_logger) << "Got message no type: " << message << "'";
+  return new LtsWebSocket::InvalidMessage(client, m_uuid, QStringLiteral("Message has no type"));
+}
+
+AbstractClientMessage *AbstractClientMessageFactory::checkResult(ReplyHandler *client,
+                                                                 const QString &message,
+                                                                 AbstractClientMessage *result) const
+{
+  if (result == nullptr)
+  {
+    WARNING_LOG(m_logger) << "Could not parse message: " << message;
+    result = new LtsWebSocket::InvalidMessage(client, m_uuid, QStringLiteral("Invalid type"));
+  }
+
+  if (!result->hasValidData())
+  {
+    WARNING_LOG(m_logger) << "Resulting JSon message has invalid data... " << message;
+    delete result;
+    result = new LtsWebSocket::InvalidMessage(client, m_uuid, QStringLiteral("Has invalid data part"));
+  }
+
+  return result;
+}
+
+// ######## AbstractClientMessageFactory end ########
+
+} // namespace LtsWebSocketServer