IF Q1 - Morse (Frank Version)

public class Morse {

    public String dekodieren(String code) {
        BinaryTree h = new BinaryTree("h");
        BinaryTree v = new BinaryTree("v");
        BinaryTree f = new BinaryTree("f");
        BinaryTree ü = new BinaryTree ("ü");
        BinaryTree l = new BinaryTree ("l");
        BinaryTree ä = new BinaryTree ("ä");
        BinaryTree p = new BinaryTree ("p");
        BinaryTree j = new BinaryTree ("j");
        BinaryTree b = new BinaryTree ("b");
        BinaryTree x = new BinaryTree ("x");
        BinaryTree c = new BinaryTree ("c");
        BinaryTree y = new BinaryTree ("y");
        BinaryTree z = new BinaryTree ("z");
        BinaryTree q = new BinaryTree ("q");
        BinaryTree ö = new BinaryTree ("ö");
        BinaryTree ch = new BinaryTree ("ch");
        BinaryTree s = new BinaryTree ("s", h, v);
        BinaryTree u = new BinaryTree ("u", f, ü);
        BinaryTree r = new BinaryTree ("r", l, ä);
        BinaryTree w = new BinaryTree ("w", p, j);
        BinaryTree d = new BinaryTree ("d", b, x);
        BinaryTree k = new BinaryTree ("k", c, y);
        BinaryTree g = new BinaryTree ("g", z, q);
        BinaryTree o = new BinaryTree ("o", ö, ch);
        BinaryTree i = new BinaryTree ("i", s, u);
        BinaryTree a = new BinaryTree ("a", r, w);
        BinaryTree n = new BinaryTree ("n", d, k);
        BinaryTree m = new BinaryTree ("m", g, o);
        BinaryTree e = new BinaryTree ("e", i, a);
        BinaryTree t = new BinaryTree ("t", n, m);
        BinaryTree baum = new BinaryTree(" ", e, t);

        String dekodiert = "";
        for(int i = 0; i < code.length() - 1; i++) {
            char c = code.charAt(i);
            if(c == ' ') {
                dekodiert = dekodiert + c;
                continue;
            }
            BinaryTree unterbaum = null;
            if(c == '-')
                unterbaum = baum.getRightTree();
            else if(c == '.')
                unterbaum = baum.getLeftTree();
            if(child != null)
                baum = unterbaum;
            else
                break;
            if(baum.getObject() != null)
                dekodiert = dekodiert + node.getObject();
        }
        return dekodiert;
    }

}