Review

class PdfTransition {
    public PdfDictionary getTransitionDictionary() {
        PdfDictionary trans = new PdfDictionary(PdfName.TRANS);
        switch (type) {
            case SPLITVOUT:
                trans.put(PdfName.S,PdfName.SPLIT);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DM,PdfName.V);
                trans.put(PdfName.M,PdfName.O);
                break;
            case SPLITHOUT:
                trans.put(PdfName.S,PdfName.SPLIT);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DM,PdfName.H);
                trans.put(PdfName.M,PdfName.O);
                break;
            case SPLITVIN:
                trans.put(PdfName.S,PdfName.SPLIT);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DM,PdfName.V);
                trans.put(PdfName.M,PdfName.I);
                break;
            case SPLITHIN:
                trans.put(PdfName.S,PdfName.SPLIT);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DM,PdfName.H);
                trans.put(PdfName.M,PdfName.I);
                break;
            case BLINDV:
                trans.put(PdfName.S,PdfName.BLINDS);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DM,PdfName.V);
                break;
            case BLINDH:
                trans.put(PdfName.S,PdfName.BLINDS);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DM,PdfName.H);
                break;
            case INBOX:
                trans.put(PdfName.S,PdfName.BOX);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.M,PdfName.I);
                break;
            case OUTBOX:
                trans.put(PdfName.S,PdfName.BOX);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.M,PdfName.O);
                break;
            case LRWIPE:
                trans.put(PdfName.S,PdfName.WIPE);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(0));
                break;
            case RLWIPE:
                trans.put(PdfName.S,PdfName.WIPE);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(180));
                break;
            case BTWIPE:
                trans.put(PdfName.S,PdfName.WIPE);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(90));
                break;
            case TBWIPE:
                trans.put(PdfName.S,PdfName.WIPE);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(270));
                break;
            case DISSOLVE:
                trans.put(PdfName.S,PdfName.DISSOLVE);
                trans.put(PdfName.D,new PdfNumber(duration));
                break;
            case LRGLITTER:
                trans.put(PdfName.S,PdfName.GLITTER);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(0));
                break;
            case TBGLITTER:
                trans.put(PdfName.S,PdfName.GLITTER);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(270));
                break;
            case DGLITTER:
                trans.put(PdfName.S,PdfName.GLITTER);
                trans.put(PdfName.D,new PdfNumber(duration));
                trans.put(PdfName.DI,new PdfNumber(315));
                break;
        }
        return trans;
    }

}