Class: Rhino::IOReader

Inherits:
Java::JavaIo::Reader
  • Object
show all
Defined in:
lib/rhino/context.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(io) ⇒ IOReader

Returns a new instance of IOReader.



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# File 'lib/rhino/context.rb', line 121

def initialize(io)
  @io = io
end

Instance Method Details

#read(charbuffer, offset, length) ⇒ Object 



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# File 'lib/rhino/context.rb', line 125

def read(charbuffer, offset, length)
  begin
    str = @io.read(length)
    if str.nil?
      return -1
    else
      jstring = Java::JavaLang::String.new(str)
      for i in 0 .. jstring.length - 1          
        charbuffer[i + offset] = jstring.charAt(i)
      end
      return jstring.length
    end
  rescue  StandardError => e        
    raise Java::JavaIo::IOException.new, "Failed reading from ruby IO object"
  end
end