Module: Try

^Module Try

In:	util/try.rb

Helpers to execute a block and either handle or ignore exceptions.

Methods

try trycall

Public Instance methods

try() {|| ...}

Execute a block, catching any raised exceptions and returning nil, otherwise returns results of block.

handler: proc object to call with error string (defaults to nil)

# File util/try.rb, line 78
  def try()
    begin
      yield
    rescue Exception => e
      if !$tryHandler.current_handler.nil?
	$tryHandler.current_handler.call(e.message)
      end
      nil
    end
  end

trycall() {|| ...}

Execute a block, catching any raised exceptions and returning nil, otherwise returns results of block. XMLRPC Fault is handled specially.

handler: proc object to call with error string (defaults to nil)

# File util/try.rb, line 93
  def trycall()
    begin
      yield
    rescue XMLRPC::Exception => e
      if !$tryHandler.current_handler.nil?
	arr = ["XMLRPC"]
	arr.push("code=#{e.faultCode}")
	arr.push("text=\"#{e.faultString}\".")
	$tryHandler.current_handler.call(arr.join(":"))
      end
      nil
    rescue Exception => e
      if !$tryHandler.current_handler.nil?
	$tryHandler.current_handler.call(e.message)
      end
      nil
    end
  end