/// <summary>
/// Renames a <see cref="FhemObject"/>.
/// </summary>
/// <param name="a_fhemObject">
/// The affected FhemObject.
/// </param>
/// <param name="a_newName">
/// The new name.
/// </param>
/// <exception cref="ArgumentNullException">
/// The FhemObject may not be null.
/// </exception>
public FhemClientResponse RenameFhemObject(FhemObject a_fhemObject, string a_newName)
{
//-- Check that we are really connected to a Fhem server
this.CheckConnection();
if (a_fhemObject == null)
{
throw new ArgumentNullException("The FhemObject may not be null!");
}
if (a_fhemObject.Name != a_newName)
{
//-- Assemble the native command for renaming the Fhem object
var nativeRenameCommand = String.Format("rename {0} {1}", a_fhemObject.Name, a_newName);
//-- Send the renaming command
var response = this.SendNativeCommand(nativeRenameCommand);
if (response != null)
{
//-- Any response will describe an error in this case
return(new FhemClientResponse(response));
}
}
//-- Everything ok
return(new FhemClientResponse());
}
/// <summary>
/// Gets a specific <see cref="FhemObject"/>.
/// </summary>
/// <param name="a_fhemObjectName">
/// The name of the desired Fhem object.
/// </param>
/// <returns>
/// The fitting Fhem object or null when no fitting object was found.
/// </returns>
public FhemObject GetFhemObject(string a_fhemObjectName)
{
//-- Check that we are really connected to a Fhem server
this.CheckConnection();
//-- Use the 'jsonlist2' command for creating the FHEM object list
var jsonlist2Response = this.SendNativeCommand(String.Format("jsonlist2 {0}", a_fhemObjectName));
//-- Parse the response into a JSON object
var jsonObject = JObject.Parse(jsonlist2Response);
//-- Determine the 3 main json tokens
var argJsonToken = jsonObject.First;
var resultsJsonToken = argJsonToken.Next;
var totalResultsJsonToken = (JProperty)resultsJsonToken.Next;
//-- Determine the first json token that represents a fhem object
var fhemObjectAsJsonObject = (JObject)resultsJsonToken.First.First;
//-- Get the number of results
var resultsCount = (int)totalResultsJsonToken.Value;
if (resultsCount > 0)
{
//-- Parse the Fhem object from the JObject
var fhemObject = FhemObject.FromJObject(fhemObjectAsJsonObject);
//-- Return the first found Fhem object
return(fhemObject);
}
//-- Nothing found :(
return(null);
}
/// <summary>
/// Gets all available Fhem objects.
/// </summary>
/// <returns></returns>
public FhemObjectsCollection GetFhemObjects()
{
//-- Check that we are really connected to a Fhem server
this.CheckConnection();
//-- Use the 'jsonlist2' command for creating the FHEM object list
var jsonlist2Response = this.SendNativeCommand("jsonlist2");
//-- Parse the response into a JSON object
var jsonObject = JObject.Parse(jsonlist2Response);
//-- Determine the 3 main json tokens
var argJsonToken = jsonObject.First;
var resultsJsonToken = argJsonToken.Next;
var totalResultsJsonToken = (JProperty)resultsJsonToken.Next;
//-- Determine the first json token that represents a fhem object
var fhemObjectAsJsonObject = (JObject)resultsJsonToken.First.First;
//-- Prepare the list for storing all Fhem objects
var fhemObjectsCollection = new FhemObjectsCollection();
while (fhemObjectAsJsonObject != null)
{
//-- Parse the Fhem object from the JObject
var fhemObject = FhemObject.FromJObject(fhemObjectAsJsonObject);
//-- Add it to the list
fhemObjectsCollection.Add(fhemObject);
//-- Update to the next JObject
fhemObjectAsJsonObject = (JObject)fhemObjectAsJsonObject.Next;
}
return(fhemObjectsCollection);
}
//-- Constructors
#endregion
//---------------------------------------------------------------------
#region Methods
/// <summary>
/// Parses a Fhem object from its json object representation.
/// </summary>
/// <param name="a_jsonObject">
/// The json object that represents the Fhem object.
/// </param>
/// <exception cref="ArgumentNullException">
/// The json object may not be null.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// The json object must have 6 children
/// </exception>
/// <returns>
/// The parses Fhem object.
/// </returns>
public static FhemObject FromJObject(JObject a_jsonObject)
{
//-- Validate argument
if (a_jsonObject == null)
{
throw new ArgumentNullException("The json object may not be null!");
}
if (a_jsonObject.Count != 6)
{
throw new ArgumentOutOfRangeException("The json object must have 6 children!");
}
//-- Create the new fhem object
var me = new FhemObject();
//-- Analyze the children
foreach (var jsonProperty in a_jsonObject.Children <JProperty>())
{
switch (jsonProperty.Name)
{
#region case "Attributes":
case "Attributes":
//-- Get the Json object that contains the attributes
var attributesAsJsonObject = (JObject)jsonProperty.First;
//-- Prepare a dictionary
var attributes = new Dictionary <string, string>(attributesAsJsonObject.Count);
foreach (var jsonAttribute in attributesAsJsonObject.Children <JProperty>())
{
attributes.Add(jsonAttribute.Name, (string)jsonAttribute.Value);
}
//-- Wrap the dictionary with a readonly dictionary
me.Attributes = new ReadOnlyDictionary <string, string>(attributes);
break;
//-- case "Attributes":
#endregion
#region case "Internals":
case "Internals":
//-- Get the Json object that contains the attributes
var internalsAsJsonObject = (JObject)jsonProperty.First;
//-- Prepare a dictionary
var internals = new Dictionary <string, string>(internalsAsJsonObject.Count);
foreach (var jsonInternal in internalsAsJsonObject.Children <JProperty>())
{
internals.Add(jsonInternal.Name, (string)jsonInternal.Value);
}
//-- Wrap the dictionary with a readonly dictionary
me.Internals = new ReadOnlyDictionary <string, string>(internals);
break;
//-- case "Internals":
#endregion
case "Name": me.Name = (string)jsonProperty.Value; break;
case "PossibleAttrs": me.PossibleAttributes = FhemPossibleAttributesCollection.Parse((string)jsonProperty.Value); break;
#region case "PossibleSets":
case "PossibleSets":
//-- Get the string that contains all possible sets
var encodedPossibleSets = (string)jsonProperty.Value;
//-- Just separate the sets
me.PossibleSets = encodedPossibleSets.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
//-- Sort the result
Array.Sort(me.PossibleSets);
break;
//-- case "PossibleSets":
#endregion
case "Readings": me.Readings = FhemReadingItemsCollection.FromJObject((JObject)jsonProperty.First); break;
default: break;
}
}
//-- Initialize properties
me.ID = int.Parse(me.Internals[INTERNALS_ID_TAG]);
//-- Store the 'state' in an own property
if (me.Internals.ContainsKey(INTERNALS_STATE_TAG))
{
me.State = me.Internals[INTERNALS_STATE_TAG];
}
return(me);
}
