Module: Deltacloud::Exceptions

Included in:
BaseDriver
Defined in:
lib/deltacloud/drivers/exceptions.rb

Defined Under Namespace

Modules: DSL Classes: AcceptedButNotCompletedError, AuthenticationFailure, BackendError, Conflict, DeltacloudException, ExceptionDef, Exceptions, ForbiddenError, MethodNotAllowed, NotImplemented, NotSupported, ObjectNotFound, ProviderError, ProviderTimeout, UnknownMediaTypeError, ValidationFailure

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.exception_from_status(code, message) ⇒ Object 



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# File 'lib/deltacloud/drivers/exceptions.rb', line 177

def self.exception_from_status(code, message)
  ExceptionDef.new(nil) { status code}.handler(StandardError.new(message))
end

.exceptions(&block) ⇒ Object 



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# File 'lib/deltacloud/drivers/exceptions.rb', line 195

def self.exceptions(&block)
  @definitions ||= []
  @definitions = Exceptions.new(&block).exception_definitions if block_given?
  @definitions
end

.included(klass) ⇒ Object 



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# File 'lib/deltacloud/drivers/exceptions.rb', line 214

def self.included(klass)
  klass.extend(DSL)
end

.logger(logger = nil) ⇒ Object 



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# File 'lib/deltacloud/drivers/exceptions.rb', line 209

def self.logger(logger=nil)
  @logger = logger
  @logger ||= ::Logger.new($stderr)
end

Instance Method Details

#safely(&block) ⇒ Object 



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# File 'lib/deltacloud/drivers/exceptions.rb', line 218

def safely(&block)
  begin
    block.call
  rescue => e
    self.class.exceptions.each do |definitions|
      next unless definitions.any? e
      if (new_exception = definitions.handler(e)) and new_exception.message
        message = new_exception.message
      end
      message ||= e.message
      raise definitions.handler(e) unless new_exception.nil?
    end
    raise BackendError.new(e, "Unhandled exception or status code (#{e.message})")
  end
end