Class: Processor::Properties

Inherits:
Object
  • Object
show all
Defined in:
lib/depengine/processor/properties.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Properties

Returns a new instance of Properties.



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# File 'lib/depengine/processor/properties.rb', line 7

def initialize()
  properties_hash = {}
  assigner        = "="
end

Instance Attribute Details

#assigner ⇒ Object

Returns the value of attribute assigner.



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# File 'lib/depengine/processor/properties.rb', line 5

def assigner
  @assigner
end

#properties_hash ⇒ Object

Returns the value of attribute properties_hash.



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# File 'lib/depengine/processor/properties.rb', line 4

def properties_hash
  @properties_hash
end

Instance Method Details

#add(source, target) ⇒ Object

append strings



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# File 'lib/depengine/processor/properties.rb', line 151

def add(source, target)

  if not File.file? source
    $log.writer.error "File #{source} does not exists"
    exit 1
  end   
   
  if source.strip != target.strip
     FileUtils.copy_file(source, target)
  end
   
  target_file = File.open(target, "a")
 
  properties_hash.each_value { |value|
    target_file.puts value
  }

  target_file.close

end

#patch(source, target) ⇒ Object

patch properties (key/value)



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# File 'lib/depengine/processor/properties.rb', line 13

def patch(source, target)

  if not File.file? source
    $log.writer.error "File #{source} does not exists"
    exit 1
  end
  
  if target.nil?
    $log.writer.error "Parameter target not set"
    exit 1
  end
  
  if target.length == 0
    $log.writer.error "Parameter target not set"
    exit 1
  end
  
   
  ### read source file in array
  if RUBY_VERSION < '1.9'
    read_mode = 'r'
  else
    read_mode = 'rb'
  end

  data = File.open(source, read_mode).readlines

  target_file = File.open(target, "w")
  
  data.each { |entry|
    if entry.include? assigner
      keyvalue = entry.split(assigner,2)

      # convert all inputs to String
      if keyvalue[0].class != String
        keyvalue[0] = keyvalue[0].to_s
      end
      if keyvalue[1].class != String
        keyvalue[1] = keyvalue[1].to_s
      end
      if properties_hash[keyvalue[0].strip].class != String
        properties_hash[keyvalue[0].strip] = properties_hash[keyvalue[0].strip].to_s
      end

      if not properties_hash[keyvalue[0].strip].nil? and
         not properties_hash[keyvalue[0].strip].empty?
        if keyvalue[1].strip.empty?
          entry = entry.chomp + properties_hash[keyvalue[0].strip]
        else
          entry = entry.sub(keyvalue[1].strip, \
                            properties_hash[keyvalue[0].strip])
          ### patch global variable
          if not entry.nil? and entry.include?('<t:db_endpoint_1/>')
            entry = entry.sub(/<t\:db_endpoint_1\/>/, properties_hash['db_endpoint_1'])
          end
          if not entry.nil? and entry.include?('<t:db_endpoint_2/>')
            entry = entry.sub(/<t\:db_endpoint_2\/>/, properties_hash['db_endpoint_2'])
          end
        end
      end
    end
    target_file.puts entry
  }

  target_file.close

end

#substitute(source, target) ⇒ Object

patch strings



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# File 'lib/depengine/processor/properties.rb', line 82

def substitute(source, target)

  if not File.file? source
    $log.writer.error "File #{source} does not exists"
    exit 1
  end   
   
  ### read source file in array
  if RUBY_VERSION < '1.9'
    read_mode = 'r'
  else
    read_mode = 'rb'
  end

  data        = File.open(source, read_mode).readlines
  target_file = File.open(target, "w")

  data.each { |entry|
    properties_hash.keys.each { |hashkey|
      hashkey = hashkey.to_s
      entry = entry.sub(hashkey, properties_hash[hashkey].to_s)
      ### patch global variable
      if not entry.nil? and entry.include?('<t:db_endpoint_1/>')
        entry = entry.sub(/<t\:db_endpoint_1\/>/, properties_hash['db_endpoint_1'])
      end
      if not entry.nil? and entry.include?('<t:db_endpoint_2/>')
        entry = entry.sub(/<t\:db_endpoint_2\/>/, properties_hash['db_endpoint_2'])
      end
      
    }
    target_file.puts entry
  }

  target_file.close

end

#substitute_r(source, target) ⇒ Object

patch all recursive directory



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# File 'lib/depengine/processor/properties.rb', line 120

def substitute_r(source, target)

  if not File.directory? source
    $log.writer.error "Directory #{source} does not exists"
    exit 1
  end

  basepath_array = source.split('/')

  Dir.glob( source + "/**/*" ) do |file|
    keep_path = File.join(file.split('/') - basepath_array)
    if File.file? file
      target_path = File.join( target, keep_path)
      target_basepath = File.join( File.split(target_path).first )

      if not File.directory?(target_basepath)
        begin
          FileUtils.mkdir_p target_basepath
        rescue Exception => e
          $log.writer.error "Can not create directory #{target_basepath}"
          $log.writer.error e.message
          exit 1
        end
      end
      substitute(file, target_path)
    end
  end

end