Class: ConfModifier

Inherits:
Object
  • Object
show all
Defined in:
lib/common/socket/conf_modifier.rb,
lib/common/socket/rlib/conf_modifier.rb

Overview

This class supply conf modification related service e.g. modify single/batch conf items

Author

chenjie

Data

2009-4-30

Instance Method Summary collapse

Constructor Details

#initialize(confPath) ⇒ ConfModifier

Returns a new instance of ConfModifier.



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# File 'lib/common/socket/conf_modifier.rb', line 13

def initialize(confPath)
  	@confPath = confPath
	#lineNum : key
  	@dic= Hash.new
	#key : value
  	@conf = Hash.new
  
  file = File.open(@confPath)
  cnt = 0
 
  file.each{ |line|
    #print line
    cnt+=1
    
    if line.strip[0, 1] == '#' or line.strip.length == 0
      @dic[ cnt ] = line.strip
    else
      list = line.strip.split(":")
      key = list[0].strip
if list[1] != nil then
      	list.delete_at(0)
	value = list.join(":").strip
else
	#只有key没有value的情况
	value = ''
end

      @dic[ cnt ] = key
      @conf[key] = value
    end
    }
  
  @lines = cnt
    
  file.close
end

Instance Method Details

#get_conf(key) ⇒ Object

获取某个配置项的值



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# File 'lib/common/socket/conf_modifier.rb', line 112

def get_conf(key)
	return @conf[key]
end

#modify(key, newValue) ⇒ Object

修改单个配置项



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# File 'lib/common/socket/conf_modifier.rb', line 55

def modify(key, newValue)
  if @conf.has_key?(key)
puts "modify from [" + key + "=>"  + @conf[key] + "] to [" + key + "=>" + newValue + " ]"
   @conf[key] = newValue
  else
 puts "add new conf " + key + "=>" + newValue
    @lines += 1
    @dic[@lines] = key
    @conf[key] = newValue
  end
end

#modifyall(hash) ⇒ Object

批量修改配置项



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# File 'lib/common/socket/conf_modifier.rb', line 73

def modifyall(hash)
	if hash != nil then
hash.each{|key,value|
	modify(key, value)
}
	end
end

#writeconf ⇒ Object

按顺序回写配置文件



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# File 'lib/common/socket/conf_modifier.rb', line 88

def writeconf
  file = File.open(@confPath, 'w')
  @dic.sort_by { |key, value| key }
  @dic.each_key { |ki|
    if @dic[ki].strip.length != 0
	#key, value
      if @conf.has_key?(@dic[ki])
        file.print(@dic[ki] ,  " : ",@conf[@dic[ki]] , "\n")
      else
        file.print( @dic[ki] , "\n")
      end
    else
      file.print( "\n")
    end
    }

  file.close
end