class WmiLite::WmiException
Public Class Methods
new(exception, wmi_method_context, namespace, query = nil, class_name = nil)
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Calls superclass method
# File lib/wmi-lite/wmi_exception.rb, line 21 def initialize(exception, wmi_method_context, namespace, query = nil, class_name = nil) error_message = exception.message error_code = translate_error_code(error_message) case wmi_method_context when :ConnectServer error_message = translate_wmi_connect_error_message(error_message, error_code, namespace) when :ExecQuery error_message = translate_query_error_message(error_message, error_code, namespace, query, class_name) end super(error_message) end
Private Instance Methods
translate_error_code(error_message)
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# File lib/wmi-lite/wmi_exception.rb, line 37 def translate_error_code(error_message) error_code = nil # Parse the error to get the error status code error_code_match = error_message.match(/[^\:]+\:\s*([0-9A-Fa-f]{1,8}).*/) error_code = error_code_match.captures.first if error_code_match error_code ? error_code : '' end
translate_query_error_message(native_message, error_code, namespace, query, class_name)
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# File lib/wmi-lite/wmi_exception.rb, line 56 def translate_query_error_message(native_message, error_code, namespace, query, class_name) error_message = "An error occurred when querying namespace \'#{namespace}\' with query \'#{query}\'.\n#{native_message}" error_code = translate_error_code(error_message) # Use the status code to generate a more friendly message case error_code when /80041010/i if class_name error_message = "The specified class \'#{class_name}\' is not valid in the namespace \'#{namespace}\'.\n#{native_message}." else error_message = "The specified query \'#{query}\' referenced a class that is not valid in the namespace \'#{namespace}\'\n#{native_message}." end when /80041017/i error_message = "The specified query \'#{query}\' in namespace \'#{namespace}\' is not a syntactically valid query.\n#{native_message}" end error_message end
translate_wmi_connect_error_message(native_message, error_code, namespace)
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# File lib/wmi-lite/wmi_exception.rb, line 46 def translate_wmi_connect_error_message(native_message, error_code, namespace) error_message = "An error occurred connecting to the WMI service for namespace \'#{namespace}\'. The namespace may not be valid, access may not be allowed to the WMI service, or the WMI service may not be available.\n#{native_message}" if error_code =~ /8004100E/i error_message = "The specified namespace name \'#{namespace}\' is not a valid namespace name or does not exist.\n#{native_message}" end error_message end