--- /dev/null
+/* NSNull+Utilities.h - this file is part of SOGo
+ *
+ * Copyright (C) 2007 Inverse groupe conseil
+ *
+ * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef NSNUMBER_URL_H
+#define NSNUMBER_URL_H
+
+#import <Foundation/NSNull.h>
+
+@class NSString;
+
+@interface NSNull (SOGoURLExtension)
+
+- (NSString *) jsonRepresentation;
+
+@end
+
+#endif /* NSNUMBER_URL_H */
--- /dev/null
+/* NSNull+Utilities.m - this file is part of SOGo
+ *
+ * Copyright (C) 2007 Inverse group conseil
+ *
+ * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#import <Foundation/NSString.h>
+
+#import "NSNull+Utilities.h"
+
+@implementation NSNull (SOGoURLExtension)
+
+- (NSString *) jsonRepresentation
+{
+ return @"null";
+}
+
+@end
--- /dev/null
+/* NSNumber+Utilities.h - this file is part of SOGo
+ *
+ * Copyright (C) 2007 Inverse groupe conseil
+ *
+ * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef NSNUMBER_URL_H
+#define NSNUMBER_URL_H
+
+#import <Foundation/NSValue.h>
+
+@class NSString;
+
+@interface NSNumber (SOGoURLExtension)
+
+- (NSString *) jsonRepresentation;
+
+@end
+
+#endif /* NSNUMBER_URL_H */
--- /dev/null
+/* NSNumber+Utilities.m - this file is part of SOGo
+ *
+ * Copyright (C) 2007 Inverse group conseil
+ *
+ * Author: Wolfgang Sourdeau <wsourdeau@inverse.ca>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#import <Foundation/NSString.h>
+
+#import "NSNumber+Utilities.h"
+
+@implementation NSNumber (SOGoURLExtension)
+
+- (NSString *) jsonRepresentation
+{
+
+ return [NSString stringWithFormat: @"%@", self];
+}
+
+@end