Class: Saklient::Util

Inherits:
Object
  • Object
show all
Defined in:
lib/saklient/util.rb

Class Method Summary collapse

Class Method Details

.are_same(a, b) ⇒ Object 



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# File 'lib/saklient/util.rb', line 158

def self.are_same(a, b)
  return a.equal?(b)
end

.auto_rename(name, candidates) ⇒ Object 



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# File 'lib/saklient/util.rb', line 162

def self.auto_rename(name, candidates)
  m = /^(.*?)(\d+)(\W*)$/.match(name)
  if m then
    max = 0
    len = 0
    for c in candidates
      n = /^(.*?)(\d+)(\W*)$/.match(c)
      next unless n
      next unless m[1]==n[1] and m[3]==n[3]
      max = [max, n[2].to_i].max
      len = [len, n[2].length].max
    end
    if 0 < len
      return sprintf("%s%0" + len.to_s + "d%s", m[1], max+1, m[3])
    end
  end
  return name + "-2"
end

.create_class_instance(classPath, args) ⇒ any

Parameters:

  • classPath (String)
  • args (Array)

Returns:

  • (any)

Raises:

  • (Exception) 


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# File 'lib/saklient/util.rb', line 72

def self.create_class_instance(classPath, args)
  ret = nil
  if !(classPath).nil?
    apath = classPath.split('.')
    ret = apath.inject(Object) { |obj, name| obj.const_get(name[0].upcase + name[1..-1]) }.new(*args)
  end
  raise Exception.new('Could not create class instance of ' + classPath) if (ret).nil?
  return ret
end

.date2str(d) ⇒ String

Parameters:

  • d (NativeDate)

Returns:

  • (String) 


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# File 'lib/saklient/util.rb', line 91

def self.date2str(d)
  return nil if (d).nil?
  return d.to_s
end

.exists_path(obj, path) ⇒ any

Parameters:

  • obj (any)
  • path (String)

Returns:

  • (any) 


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# File 'lib/saklient/util.rb', line 14

def self.exists_path(obj, path)
  aPath = path.split('.')
  for seg in aPath
    return false if (obj).nil?
    return false if !obj.is_a?(Hash)
    next if seg == ''
    return false if !(!obj.nil? && obj.key?(seg.to_sym))
    obj = obj[seg.to_sym]
  end
  return true
end

.get_by_path(obj, path) ⇒ any

Parameters:

  • obj (any)
  • path (String)

Returns:

  • (any) 


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# File 'lib/saklient/util.rb', line 29

def self.get_by_path(obj, path)
  aPath = path.split('.')
  for seg in aPath
    return nil if (obj).nil?
    return nil if !obj.is_a?(Hash)
    next if seg == ''
    return nil if !(!obj.nil? && obj.key?(seg.to_sym))
    obj = obj[seg.to_sym]
  end
  return obj
end

.get_by_path_any(objects, pathes) ⇒ Object 



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# File 'lib/saklient/util.rb', line 41

def self.get_by_path_any(objects, pathes)
  for obj in objects
    for path in pathes
      ret = get_by_path(obj, path)
      return ret if !ret.nil?
    end
  end
  return nil
end

.ip2long(s) ⇒ Integer

Parameters:

  • ip (String)

Returns:

  • (Integer) 


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# File 'lib/saklient/util.rb', line 98

def self.ip2long(s)
  return nil unless s.is_a? String
  return nil unless /^\d+\.\d+\.\d+\.\d+$/.match(s)
  ret = 0
  s.split(/\./).each{|o|
    v = o.to_i
    ret = nil unless 0<=v && v<=255
    ret = ret<<8 | v if !ret.nil?
  }
  return ret
end

.long2ip(v) ⇒ String

Parameters:

  • long (Integer)

Returns:

  • (String) 


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# File 'lib/saklient/util.rb', line 112

def self.long2ip(v)
  v = v.to_i if v.is_a? String
  return nil unless v.is_a? Integer
  ret = []
  v += (1<<32) if v<0
  4.times{||
    ret.unshift(v & 255)
    v >>= 8
  }
  return nil if v != 0
  return ret.join(".")
end

.set_by_path(obj, path, value) ⇒ void

TODO:

array support

TODO:

overwriting

TODO:

writing into children of non-object

This method returns an undefined value.

Parameters:

  • obj (any)
  • value (any)
  • path (String) 


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# File 'lib/saklient/util.rb', line 58

def self.set_by_path(obj, path, value)
  aPath = path.split('.')
  key = aPath.pop
  for seg in aPath
    next if seg == ''
    obj[seg.to_sym] = {} if !(!obj.nil? && obj.key?(seg.to_sym))
    obj = obj[seg.to_sym]
  end
  obj[key.to_sym] = value
end

.sleep(sec) ⇒ void

This method returns an undefined value.

Parameters:

  • sec (Integer) 


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# File 'lib/saklient/util.rb', line 133

def self.sleep(sec)
  super self
end

.str2date(s) ⇒ NativeDate

Parameters:

  • s (String)

Returns:

  • (NativeDate) 


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# File 'lib/saklient/util.rb', line 84

def self.str2date(s)
  return nil if (s).nil?
  return DateTime.parse(s)
end

.url_encode(s) ⇒ String

Parameters:

  • s (String)

Returns:

  • (String) 


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# File 'lib/saklient/util.rb', line 127

def self.url_encode(s)
  return URI.encode(s.to_s)
end

.validate_type(value, typeName, force = false) ⇒ void

This method returns an undefined value.

Parameters:

  • value (any)
  • typeName (String)

Raises:



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# File 'lib/saklient/util.rb', line 140

def self.validate_type(value, typeName, force=false)
  isOk = false
  if !force then
    return if typeName=="any" || typeName=="void" || value.nil?
    clazz = value.class.to_s
    if typeName=="bool"
      isOk = clazz=="TrueClass" || clazz=="FalseClass"
    elsif typeName=="Float"
      isOk = clazz=="Fixnum" || clazz=="Float"
    elsif typeName=="String"
      isOk = clazz=="Fixnum" || clazz=="Float" || clazz=="String"
    else
      isOk = value.is_a?(Object.const_get(typeName))
    end
  end
  raise Saklient::Errors::SaklientException.new('argument_type_mismatch', 'Argument type mismatch (expected '+typeName+' but got '+clazz+')') unless isOk
end