Class: Panoramix::Plugin::Wget

Inherits:
Base
  • Object
show all
Defined in:
lib/panoramix/plugin/wget.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#shell

Constructor Details

#initialize(dst, src, flags) ⇒ Wget

Returns a new instance of Wget.



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# File 'lib/panoramix/plugin/wget.rb', line 12

def initialize(dst, src, flags)
	@dst = dst
	@src = src
	@flags = flags
end

Instance Attribute Details

#dst ⇒ Object (readonly)

Returns the value of attribute dst.



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# File 'lib/panoramix/plugin/wget.rb', line 8

def dst
  @dst
end

#flags ⇒ Object (readonly)

Returns the value of attribute flags.



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# File 'lib/panoramix/plugin/wget.rb', line 10

def flags
  @flags
end

#src ⇒ Object (readonly)

Returns the value of attribute src.



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# File 'lib/panoramix/plugin/wget.rb', line 9

def src
  @src
end

Instance Method Details

#clean ⇒ Object

Action clean fot this task



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# File 'lib/panoramix/plugin/wget.rb', line 38

def clean
	shell "rm -f #{@dst}"
end

#created? ⇒ Boolean

Has this instance already been created

Returns:

  • (Boolean) 


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# File 'lib/panoramix/plugin/wget.rb', line 33

def created?
	File.exists?(@dst)
end

#needed?(timestamps) ⇒ Boolean

When this instance needs to be executed

Returns:

  • (Boolean) 


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# File 'lib/panoramix/plugin/wget.rb', line 27

def needed? timestamps
	return true if !created?
	File.mtime(@dst) < timestamp
end

#run_default ⇒ Object

Default action for this task



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# File 'lib/panoramix/plugin/wget.rb', line 43

def run_default
	shell "wget -nv #{@flags} #{@src} -O #{@dst}"
end

#timestamp ⇒ Object

Return current timestamp



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# File 'lib/panoramix/plugin/wget.rb', line 19

def timestamp
	return Time.at 0 unless created?
	remote_time = shell("wget #{@flags} --spider -S #{@src} 2>&1 | grep Last-Modified", true)[:out]
    remote_time = remote_time.split("Last-Modified: ").last
    remote_time = Time.parse(remote_time)
end