Class: Log4r::FileOutputter

Inherits:
IOOutputter show all
Defined in:
lib/log4r/outputter/fileoutputter.rb

Overview

Convenience wrapper for File. Additional hash arguments are:

:filename

Name of the file to log to.

:trunc

Truncate the file?

Direct Known Subclasses

DateFileOutputter, RollingFileOutputter

Instance Attribute Summary collapse

Attributes inherited from Outputter

#formatter, #level, #name

Instance Method Summary collapse

Methods inherited from IOOutputter

#close, #closed?

Methods inherited from Outputter

[], []=, each, each_outputter, #flush, #only_at, stderr, stdout

Constructor Details

#initialize(_name, hash = {}) ⇒ FileOutputter

Returns a new instance of FileOutputter.



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# File 'lib/log4r/outputter/fileoutputter.rb', line 16

def initialize(_name, hash={})
  super(_name, nil, hash)

  @trunc = Log4rTools.decode_bool(hash, :trunc, false)
  _filename = (hash[:filename] or hash['filename'])
  @create = Log4rTools.decode_bool(hash, :create, true)

  if _filename.class != String
    raise TypeError, "Argument 'filename' must be a String", caller
  end

  # file validation
  if FileTest.exist?( _filename )
    if not FileTest.file?( _filename )
      raise StandardError, "'#{_filename}' is not a regular file", caller
    elsif not FileTest.writable?( _filename )
      raise StandardError, "'#{_filename}' is not writable!", caller
    end
  else # ensure directory is writable
    dir = File.dirname( _filename )
    if not FileTest.writable?( dir )
      raise StandardError, "'#{dir}' is not writable!"
    end
  end

  @filename = _filename
  if ( @create == true ) then
	@out = File.new(@filename, (@trunc ? "w" : "a")) 
	Logger.log_internal {
	  "FileOutputter '#{@name}' writing to #{@filename}"
	}
  else
	Logger.log_internal {
	  "FileOutputter '#{@name}' called with :create == false, #{@filename}"
	}
  end
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/log4r/outputter/fileoutputter.rb', line 14

def filename
  @filename
end

#trunc ⇒ Object (readonly)

Returns the value of attribute trunc.



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# File 'lib/log4r/outputter/fileoutputter.rb', line 14

def trunc
  @trunc
end