Class: GetTypeHandler

Inherits:
AbstractCommandHandler show all
Defined in:
lib/javonet-ruby-sdk/core/handler/get_type_handler.rb,
lib/javonet-ruby-sdk/Binaries/Ruby/Linux/X64/core/handler/get_type_handler.rb,
lib/javonet-ruby-sdk/Binaries/Ruby/MacOs/X64/core/handler/get_type_handler.rb,
lib/javonet-ruby-sdk/Binaries/Ruby/Windows/X64/core/handler/get_type_handler.rb

Instance Method Summary collapse

Methods inherited from AbstractCommandHandler

#handle_command, #iterate

Constructor Details

#initialize ⇒ GetTypeHandler

Returns a new instance of GetTypeHandler.



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# File 'lib/javonet-ruby-sdk/core/handler/get_type_handler.rb', line 6

def initialize
  @required_parameters_count = 1
  @namespace_cache = NamespaceCache.instance
  @type_cache = TypeCache.instance
end

Instance Method Details

#process(command) ⇒ Object 



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# File 'lib/javonet-ruby-sdk/core/handler/get_type_handler.rb', line 12

def process(command)
  begin
    if command.payload.length < @required_parameters_count
      raise "#{self.class.name} parameters mismatch!"
    end

    type_to_return = _get_type_from_payload(command)

    if type_to_return.nil?
      raise "Type #{command.payload[0]} not found.\n"
    end

    if (@namespace_cache.is_namespace_cache_empty? && @type_cache.is_type_cache_empty?) || # both caches are empty
      @namespace_cache.is_type_allowed(type_to_return) || # namespace is allowed
      @type_cache.is_type_allowed(type_to_return)
      # continue - type is allowed
    else
      allowed_namespaces = @namespace_cache.get_cached_namespaces.join(", ")
      allowed_types = @type_cache.get_cached_types.join(", ")
      raise "Type #{type_to_return.name} not allowed. \nAllowed namespaces: #{allowed_namespaces}\nAllowed types: #{allowed_types}"
    end

    type_to_return
  rescue Exception => e
    begin
      message = e.message
      message += "\nLoaded libraries:\n"
      loaded_libraries = LoadLibraryHandler.get_loaded_libraries
      # find types in loaded libraries
      loaded_libraries.each do |library|
        message += "#{library}\n"
      end
      raise ArgumentError, message
    rescue Exception => e
      return e
    end
  end
end