Class: ApacheCrunch::FormatDefinitionFinder

Inherits:
Object
  • Object
show all
Defined in:
lib/config.rb

Overview

Finds a named log format string in the configuration file(s)

Constant Summary collapse

@@FILE_NAME = 
"log_formats.rb"
@@DEFAULT_FORMATS = 
{
    :ncsa => %q!%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-agent}i\"!,
    :ubuntu => %q!%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"!
}

Instance Method Summary collapse

Constructor Details

#initialize(file_cls = File, env = ENV) ⇒ FormatDefinitionFinder

Initializes the FormatStringFinder.



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# File 'lib/config.rb', line 11

def initialize(file_cls=File, env=ENV)
    @_file_cls=file_cls
    @_env=env
end

Instance Method Details

#_search_path ⇒ Object 



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# File 'lib/config.rb', line 38

def _search_path
    [".", "./etc",
     @_file_cls.join(@_env["HOME"], ".apachecrunch"),
     "/etc/apachecrunch"]
end

#find(format_name) ⇒ Object

Finds the given format string in the configuration file(s)

If none exists, returns nil.



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# File 'lib/config.rb', line 19

def find(format_name)
    name_as_symbol = format_name.to_sym

    formats = @@DEFAULT_FORMATS.clone
    _search_path.each do |dir|
        config_path = @_file_cls.join(dir, @@FILE_NAME)
        if @_file_cls.readable?(config_path)
            config_file = @_file_cls.open(@_file_cls.join(dir, @@FILE_NAME))
            eval config_file.read
        end

        if formats.key?(format_name.to_sym)
            return formats[format_name.to_sym].gsub(/\\"/, '"')
        end
    end

    raise "Failed to find the format '#{format_name}' in the search path: #{_search_path.inspect}"
end