public class Parsatron3000 {
    public static Object parse(String input) {
        List<Object> results = ...;
        List<Exception> exceptions = ...;

        for (Type type : setOfTypes) {
            Result result = type.parse(input);
            if (result.exception == null) {
                results.add(result.success);
            } else {
                exceptions.add(result.exception);
            }
        }

        if (result.isEmpty()) {
            // throw "could not parse"-exception
            // possibly print/log exceptions from exceptions list
        }
        if (result.size() > 1) {
            // throw "ambiguous input"-exception
        }
        return result.get(0);
    }

    public static class Result {
        public final Object success;
        public final Exception exception;

        public Result(Object o) {
            success = o;
            exception = null;
        }

        public Result(Exception e) {
            success = null;
            exception = e;
        }
    }
}