added /availableoutputformats url service which outputs a json format…

…ted list of output plug-ins (GRAPHDB-336)
sones · Jul 31, 2011 · 39dcdc8 · 39dcdc8
1 parent 8d8b77f
commit 39dcdc8
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Showing 3 changed files with 64 additions and 1 deletion.
diff --git a/Plugins/GraphDS/RESTService/Service/GraphDSREST_Output.cs b/Plugins/GraphDS/RESTService/Service/GraphDSREST_Output.cs
@@ -295,6 +295,50 @@ public Stream GetDDate()
 
         #endregion
 
+		#region GetAvailableOutputFormats()
+        public Stream GetAvailableOutputFormats()
+        {
+            if (WebOperationContext.Current != null)
+            {
+                WebOperationContext.Current.OutgoingResponse.ContentType = "application/json";
+            }
+            else if (HttpServer.HttpContext != null)
+            {
+                HttpServer.HttpContext.Response.SetContentType(new ContentType("application/json"));
+            }
+
+			StringBuilder jsonArray = new StringBuilder();
+
+			jsonArray.AppendLine("{");
+			jsonArray.AppendLine("\"GraphDSOutputFormats\":[");
+			jsonArray.AppendLine("		{");			
+			// generate JSON formatted output of available I/O plug-ins and associated content-types
+		    // {
+		    //    "application/xml":"XML_IO",
+			//	  "text/plain":"TEXT_IO"
+			// }				
+
+			Int32 Runthrough = 0;
+
+			foreach (IOInterface _io_plugin in _Plugins.Values)
+			{
+				Runthrough++;
+
+				// we have the name and the content type
+				if (Runthrough == _Plugins.Values.Count)
+						jsonArray.AppendLine("			\""+_io_plugin.ContentType+"\":\""+_io_plugin.PluginName+"\"");
+					else
+						jsonArray.AppendLine("			\""+_io_plugin.ContentType+"\":\""+_io_plugin.PluginName+"\",");
+
+			}
+			jsonArray.AppendLine("		}");
+			jsonArray.AppendLine("	]");
+			jsonArray.AppendLine("}");
+
+            return new MemoryStream(Encoding.UTF8.GetBytes(jsonArray.ToString()));
+        }
+
+        #endregion
     }
 
 }

diff --git a/Plugins/GraphDS/RESTService/Service/GraphDSREST_Service.cs b/Plugins/GraphDS/RESTService/Service/GraphDSREST_Service.cs
@@ -327,7 +327,17 @@ public Stream GetDDate()
 
         #endregion
 
-        #region GetClientAccessPolicy
+        #region GetAvailableOutputFormats()
+
+        public Stream GetAvailableOutputFormats()
+        {
+            return _RESTOutput.GetAvailableOutputFormats();
+        }
+
+        #endregion
+
+
+		#region GetClientAccessPolicy
 
         public void GetClientAccessPolicy()
         {

diff --git a/Plugins/GraphDS/RESTService/Service/IGraphDSREST_Service.cs b/Plugins/GraphDS/RESTService/Service/IGraphDSREST_Service.cs
@@ -188,6 +188,15 @@ public interface IGraphDSREST_Service : ISonesRESTService
         [WebGet(UriTemplate = "/ddate")]
         Stream GetDDate();
 
+
+		/// <summary>
+        /// Returns the available output formats
+        /// </summary>
+        /// <returns>Returns the available output formats</returns>
+        [OperationContract, NoAuthentication]
+        [WebGet(UriTemplate = "/availableoutputformats")]
+        Stream GetAvailableOutputFormats();
+
         #endregion
 
     }