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Session.pas
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Session.pas
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unit Session;
interface
uses
JsonAttributeSource,
System.Classes;
type
{ Will use attributes later, maybe }
TStatus = class
public
[JsonAttribute('sessionId')]
Guid: String;
[JsonAttribute('args')]
Args: String;
[JsonAttribute('app')]
App: String;
[JsonAttribute('platform')]
Platform: String;
function ToJsonString: String;
end;
type
TSession = class
private
FStatus: TStatus;
FTimeouts: Integer;
function GetUid: String;
procedure SetUid(val: String);
public
function GetSessionDetails: String;
function GetSession: String;
property Uid: String read GetUid write SetUid;
property Timeouts: Integer write FTimeouts;
constructor Create(const request: String);
end;
implementation
uses
ResourceProcessing,
System.JSON,
System.Types,
System.SysUtils,
System.StrUtils,
System.JSON.Types,
System.JSON.Writers,
System.JSON.Builders;
{ TSession }
constructor TSession.Create;
var
jsonObj : TJSONObject;
requestObj : TJSONValue;
guid: TGuid;
value: String;
begin
FStatus:= TStatus.Create;
if CreateGUID(Guid) <> 0 then
raise Exception.Create('Unable to generate GUID')
else
begin
// Decode the incoming JSON and see what we have
jsonObj := TJSONObject.ParseJSONValue(TEncoding.ASCII.GetBytes(request),0) as TJSONObject;
try
requestObj := jsonObj.Get('desiredCapabilities').JsonValue;
(requestObj as TJsonObject).TryGetValue<String>('args', FStatus.Args);
(requestObj as TJsonObject).TryGetValue<String>('app', FStatus.App);
(requestObj as TJsonObject).TryGetValue<String>('platformName', FStatus.Platform);
value := Guid.ToString;
delete(value,length(value),1);
delete(value,1,1);
FStatus.Guid := value;
finally
jsonObj.Free;
end;
end;
end;
function TSession.GetSession: String;
begin
result := GetSessionDetails;
end;
function TSession.GetSessionDetails: String;
begin
result := FStatus.ToJsonString;
end;
function TSession.GetUid: String;
begin
result := FStatus.Guid;
end;
procedure TSession.SetUid(val: String);
begin
FStatus.Guid := val;
end;
function TStatus.ToJsonString: String;
var
Builder: TJSONObjectBuilder;
Writer: TJsonTextWriter;
StringWriter: TStringWriter;
StringBuilder: TStringBuilder;
begin
StringBuilder := TStringBuilder.Create;
StringWriter := TStringWriter.Create(StringBuilder);
Writer := TJsonTextWriter.Create(StringWriter);
Writer.Formatting := TJsonFormatting.Indented;
Builder := TJSONObjectBuilder.Create(Writer);
Builder
.BeginObject()
.Add('sessionId', self.Guid)
.Add('status', 0)
.BeginObject('value')
.Add('app', self.App)
.Add('args', self.Args)
.Add('platformName', self.Platform)
.EndObject
.EndObject;
result := StringBuilder.ToString;
end;
end.