Appendix A

[23 April 2009]

Revision:
$Rev: 245 $

Abstract

This Appendix defines common parts of the set of API specifications that provide scripted access to device capabilities.

Status of this document

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Table of contents

A.1 DeviceException interface


  exception DeviceException { 

     DOMString name;

     DOMString message;

     int       code;

  };

     // Non-recoverable programmatic error codes:

     const unsigned short      MISSING_ARG_ERR                 = 1;

     const unsigned short      INVALID_ARG_ERR                 = 2;

     const unsigned short      NOT_SUPPORTED_ERR               = 3;



     // Recoverable or non-programmatic error codes:

     const unsigned short      TIMEOUT_ERR                    = 100;

     const unsigned short      DATA_NOT_FOUND_ERR             = 101;

     const unsigned short      DATA_ALREADY_EXISTS_ERR        = 102;

     const unsigned short      SERVICE_BUSY_ERR               = 103;

     const unsigned short      SERVICE_IN_USE_ERR             = 104;

     const unsigned short      DATA_OUT_OF_RANGE_ERR          = 105;

     const unsigned short      NOT_ALLOWED_ERR                = 106;

     const unsigned short      SIZE_EXCEEDED_ERR              = 107;

     const unsigned short      INVALID_URI_ERR                = 108;

     const unsigned short      URI_NOT_FOUND_ERR              = 109;

     const unsigned short      URI_ALREADY_EXISTS_ERR         = 110;

The name name represents an exception type and contains a value DeviceException.

The message contains a human-readable error message.

The code contains exception code number as specified. Error codes from 1 to 99 represent non-recoverable or programmatic errors. Error codes greater than 99 represent recoverable or non-programmatic errors.

A.2 Device Exception Code Constants

MISSING_ARG_ERR
A mandatory argument of a method is missing.
INVALID_ARG_ERR
The argument passed is of invalid type.
NOT_SUPPORTED_ERR
An attribute is optional and is not supported by the implementation.
TIMEOUT_ERR
The implementation can not give a response within the given time.
DATA_NOT_FOUND_ERR
Referred data entry was not found.
DATA_ALREADY_EXISTS_ERR
Referred data entry already exists.
SERVICE_BUSY_ERR
The service is busy. Implementation is unable to process the request now, try again later.
SERVICE_IN_USE_ERR
Registering for notifications is supported only once.
DATA_OUT_OF_RANGE_ERR
An out of range value was passed.
NOT_ALLOWED_ERR
No permission to access the specified content.
SIZE_EXCEEDED_ERR
Data size exceeded the allowed limits set by the platform or by the configuration. A data overflow error occurred.
INVALID_URI_ERR
The specified URI is invalid.
URI_NOT_FOUND_ERR
The specified URI refers to a non-existing resource.
URI_ALREADY_EXISTS_ERR
The specified URI refers to a existing resource and the resource can not be overwritten.