protected String indent(String s,int nSpaces){
  String indent=indentString(nSpaces);
  StringBuilder buf=new StringBuilder();
  String nl="";
  for (  String line : s.split("\n")) {
    buf.append(nl);
    buf.append(indent + line);
    nl="\n";
  }
  return buf.toString();
}

protected String indent ( String s , int nSpaces ) { String indent = indentString ( nSpaces ) ; StringBuilder buf = new StringBuilder ( ) ; String nl = "" ; for ( String line : s . split ( "\n" ) ) { buf . append ( nl ) ; buf . append ( indent + line ) ; nl = "\n" ; } return buf . toString ( ) ; }
indent a string by prepending a given amount of empty spaces to each line of the string .
