Merge "New APIs : hasAttribute, numberOfAttributes, erase in OCRepresentation."

diff --combined include/OCApi.h
index d603a12,a34d064..87c13d5
--- 1/include/OCApi.h
--- 2/include/OCApi.h
+++ b/include/OCApi.h
@@@ -36,7 -36,6 +36,7 @@@
  
  namespace OC
  {
 +    class OCPlatform;
      class OCResource;
      class OCResourceRequest;
      class OCResourceResponse;
@@@ -142,6 -141,11 +142,11 @@@ namespace O
          public:
          OCRepresentation() {}
  
+         bool erase(const std::string& str)
+         {
+             return m_attributeMap.erase(str) != 0;
+         }
+ 
          std::string getUri(void) const
          {
              return m_uri;
@@@ -153,6 -157,19 +158,19 @@@
          template <typename T>
          bool getValue(const std::string& str, T& val) const;
  
+         template <typename T>
+         T getValue(const std::string& str) const;
+ 
+         bool hasAttribute(const std::string& str) const
+         {
+             return m_attributeMap.find(str) != m_attributeMap.end();
+         }
+ 
+         int numberOfAttributes() const
+         {
+             return m_attributeMap.size();
+         }
+ 
          void setUri(std::string uri)
          {
              m_uri = uri;
@@@ -526,6 -543,22 +544,22 @@@
          m_attributeMap[str] = getJSON(val);
      }
  
+     template <typename T>
+     T OCRepresentation::getValue(const std::string& str) const
+     {
+         T val;
+ 
+         auto x = m_attributeMap.find(str);
+ 
+         if(m_attributeMap.end() != x)
+         {
+             AttributeValue v = val;
+             parseJSON(v, x->second);
+             val = boost::get<T>(v);
+         }
+ 
+         return val;
+     }
  
      template <typename T>
      bool OCRepresentation::getValue(const std::string& str, T& val) const