Class: Fetcher::Runner

Inherits:
Object
  • Object
show all
Includes:
LogUtils::Logging
Defined in:
lib/fetcher/cli/runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/fetcher/cli/runner.rb', line 21

def initialize
  @opts = Opts.new
end

Instance Attribute Details

#opts ⇒ Object (readonly)

Returns the value of attribute opts.



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# File 'lib/fetcher/cli/runner.rb', line 19

def opts
  @opts
end

Instance Method Details

#run(args) ⇒ Object 



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# File 'lib/fetcher/cli/runner.rb', line 25

def run( args )
  opt=OptionParser.new do |cmd|

    cmd.banner = "Usage: fetch [options] URI"

    cmd.on( '-o', '--output PATH', "Output Path (default is '#{opts.output_path}')" ) { |s| opts.output_path = s }

    # todo: find different letter for debug trace switch (use v for version?)
    cmd.on( '-v', '--verbose', 'Show debug trace' )  do
       LogUtils::Logger.root.level = :debug
    end

  usage =" \nfetch \#{VERSION} - Lets you fetch text documents or binary blobs via HTTP, HTTPS.\n\n\#{cmd.help}\n\nExamples:\n  fetch https://raw.github.com/openfootball/at-austria/master/2013_14/bl.txt\n  fetch -o downloads https://raw.github.com/openfootball/at-austria/master/2013_14/bl.txt\n\nFurther information:\n  https://github.com/geraldb/fetcher\n\n"

    ## todo: also add -?  if possible as alternative
    cmd.on_tail( '-h', '--help', 'Show this message' ) do
       puts usage
       exit
    end
  end

  opt.parse!( args )
  
  puts Fetcher.banner
      
  args.each do |arg|
    
    src = arg
    uri = URI.parse( src )
    
    logger.debug "uri.host=<#{uri.host}>, uri.path=<#{uri.path}>"
    
    if uri.path == '/' || uri.path == ''
      dest = "#{opts.output_path}/#{uri.host}"
    else
      dest = "#{opts.output_path}/#{uri.host}@#{uri.path.gsub( /[ \-]/, '_').gsub( /[\/\\]/, '-')}"
    end

    Worker.new.copy( src, dest )

  end # each arg

  puts 'Done.'
  
end