Class: Perennial::Logger

Inherits:
Object show all
Defined in:
lib/perennial/logger.rb

Constant Summary collapse

LEVELS = 
{
  :fatal => 7,
  :error => 6,
  :warn  => 4,
  :info  => 3,
  :debug => 0
}
PREFIXES = 
{}
COLOURS = 
{
  :fatal => 31, # red
  :error => 33, # yellow
  :warn  => 35, # magenta
  :info  => 32, # green
  :debug => 34  # white
}
@@log_name = 
"perennial.log"
@@setup = 
false
@@default_logger_path = 
nil

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, level = :info, verbose = Settings.verbose?) ⇒ Logger

Returns a new instance of Logger.



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# File 'lib/perennial/logger.rb', line 72

def initialize(path, level = :info, verbose = Settings.verbose?)
  @level   = level.to_sym
  @verbose = verbose
  FileUtils.mkdir_p(File.dirname(path))
  @file    = File.open(path, "a+")
end

Instance Attribute Details

#file ⇒ Object

Returns the value of attribute file.



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# File 'lib/perennial/logger.rb', line 70

def file
  @file
end

#level ⇒ Object

Returns the value of attribute level.



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# File 'lib/perennial/logger.rb', line 70

def level
  @level
end

#verbose ⇒ Object

Returns the value of attribute verbose.



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# File 'lib/perennial/logger.rb', line 70

def verbose
  @verbose
end

Class Method Details

.default_logger_path ⇒ Object 



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# File 'lib/perennial/logger.rb', line 29

def default_logger_path
  @@default_logger_path || (Settings.root / "log" / @@log_name.to_str)
end

.default_logger_path=(value) ⇒ Object 



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# File 'lib/perennial/logger.rb', line 23

def default_logger_path=(value)
  @@default_logger_path = value
  # Rereun setup if setup is already done.
  setup! if setup?
end

.method_missing(name, *args, &blk) ⇒ Object 



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# File 'lib/perennial/logger.rb', line 38

def method_missing(name, *args, &blk)
 self.setup # Ensure the logger is setup
 @@logger.send(name, *args, &blk)
end

.respond_to?(symbol, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/perennial/logger.rb', line 43

def respond_to?(symbol, include_private = false)
  self.setup
  super(symbol, include_private) || @@logger.respond_to?(symbol, include_private)
end

.setup ⇒ Object 



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# File 'lib/perennial/logger.rb', line 18

def setup
  return if setup?
  setup!
end

.setup! ⇒ Object 



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# File 'lib/perennial/logger.rb', line 33

def setup!
  @@logger = new(self.default_logger_path, Settings.log_level, Settings.verbose?)
  @@setup = true
end

.setup? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/perennial/logger.rb', line 14

def setup?
  !!@@setup
end

Instance Method Details

#close! ⇒ Object 



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# File 'lib/perennial/logger.rb', line 79

def close!
  @file.close
end

#log_exception(exception) ⇒ Object 



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# File 'lib/perennial/logger.rb', line 94

def log_exception(exception)
  error "Exception: #{exception}"
  exception.backtrace.each do |l|
    error ">> #{l}"
  end
end

#verbose? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/perennial/logger.rb', line 101

def verbose?
  !!@verbose
end