public Handouts() {
arguments.add(new FileArgument(this, "srcfile", "The file you want to convert", false, new PdfFilter()));
arguments.add(new FileArgument(this, "destfile", "The file to which the Handout has to be written", true, new PdfFilter()));
OptionArgument oa = new OptionArgument(this, "pages", "The number of pages you want on one handout page");
oa.addOption("2 pages on 1", "2");
oa.addOption("3 pages on 1", "3");
oa.addOption("4 pages on 1", "4");
oa.addOption("5 pages on 1", "5");
oa.addOption("6 pages on 1", "6");
oa.addOption("7 pages on 1", "7");
oa.addOption("8 pages on 1", "8");