package javaapplication31;

import org.jdesktop.beansbinding.Converter;

public abstract class TestConverter {
    final static StringToSafeStringConverter StringToSafeString = new StringToSafeStringConverter();
    final static MoodToFaceStringConverter MoodToFaceString = new MoodToFaceStringConverter();
    
    private final static class StringToSafeStringConverter extends Converter {

        @Override
        public Object convertForward(Object value) {
            String str = ((String) value).toLowerCase().trim().replaceAll(" ", "_");
            return str;
        }

        @Override
        public Object convertReverse(Object value) {
            return value;
        }
    }

    private final static class MoodToFaceStringConverter extends Converter {
        private static String HAPPY_FACE = ":-)";
        private static String UNHAPPY_FACE = ":-(";
        private static String HAPPY_MOOD = "happy";
        private static String UNHAPPY_MOOD = "sad";

        @Override
        public Object convertForward(Object value) {
            String strValue = (String) value;
            return strValue.equals(HAPPY_MOOD) ? HAPPY_FACE : UNHAPPY_FACE;
        }

        @Override
        public Object convertReverse(Object value) {
            String strValue = (String) value;
            return strValue.equals(HAPPY_FACE) ? HAPPY_MOOD : UNHAPPY_MOOD;
        }
    }

}