private Object convertPrimitive()

in plugins/json/src/main/java/org/apache/struts2/json/JSONPopulator.java [312:425]
111 lines of code
57 McCabe index (conditional complexity)

    private Object convertPrimitive(Class clazz, Object value, Method method) throws JSONException {
        if (value == null) {
            if (Short.TYPE.equals(clazz) || Short.class.equals(clazz))
                return (short) 0;
            else if (Byte.TYPE.equals(clazz) || Byte.class.equals(clazz))
                return (byte) 0;
            else if (Integer.TYPE.equals(clazz) || Integer.class.equals(clazz))
                return 0;
            else if (Long.TYPE.equals(clazz) || Long.class.equals(clazz))
                return 0L;
            else if (Float.TYPE.equals(clazz) || Float.class.equals(clazz))
                return 0f;
            else if (Double.TYPE.equals(clazz) || Double.class.equals(clazz))
                return 0d;
            else if (Boolean.TYPE.equals(clazz) || Boolean.class.equals(clazz))
                return Boolean.FALSE;
            else
                return null;
        } else if (value instanceof Number) {
            Number number = (Number) value;

            if (Short.TYPE.equals(clazz))
                return number.shortValue();
            else if (Short.class.equals(clazz))
                return number.shortValue();
            else if (Byte.TYPE.equals(clazz))
                return number.byteValue();
            else if (Byte.class.equals(clazz))
                return number.byteValue();
            else if (Integer.TYPE.equals(clazz))
                return number.intValue();
            else if (Integer.class.equals(clazz))
                return number.intValue();
            else if (Long.TYPE.equals(clazz))
                return number.longValue();
            else if (Long.class.equals(clazz))
                return number.longValue();
            else if (Float.TYPE.equals(clazz))
                return number.floatValue();
            else if (Float.class.equals(clazz))
                return number.floatValue();
            else if (Double.TYPE.equals(clazz))
                return number.doubleValue();
            else if (Double.class.equals(clazz))
                return number.doubleValue();
            else if (String.class.equals(clazz))
                return value.toString();
        } else if (clazz.equals(Date.class)) {
            try {
                JSON json = method.getAnnotation(JSON.class);

                DateFormat formatter = new SimpleDateFormat(
                        (json != null) && (json.format().length() > 0) ? json.format() : this.dateFormat);
                return formatter.parse((String) value);
            } catch (ParseException e) {
                LOG.error("Unable to parse date from: {}", value, e);
                throw new JSONException("Unable to parse date from: " + value);
            }
        } else if (clazz.isEnum()) {
            String sValue = (String) value;
            return Enum.valueOf(clazz, sValue);
        } else if (value instanceof String) {
            String sValue = (String) value;
            if (Boolean.TYPE.equals(clazz))
                return Boolean.parseBoolean(sValue);
            else if (Boolean.class.equals(clazz))
                return Boolean.valueOf(sValue);
            else if (Short.TYPE.equals(clazz))
                return Short.parseShort(sValue);
            else if (Short.class.equals(clazz))
                return Short.valueOf(sValue);
            else if (Byte.TYPE.equals(clazz))
                return Byte.parseByte(sValue);
            else if (Byte.class.equals(clazz))
                return Byte.valueOf(sValue);
            else if (Integer.TYPE.equals(clazz))
                return Integer.parseInt(sValue);
            else if (Integer.class.equals(clazz))
                return Integer.valueOf(sValue);
            else if (Long.TYPE.equals(clazz))
                return Long.parseLong(sValue);
            else if (Long.class.equals(clazz))
                return Long.valueOf(sValue);
            else if (Float.TYPE.equals(clazz))
                return Float.parseFloat(sValue);
            else if (Float.class.equals(clazz))
                return Float.valueOf(sValue);
            else if (Double.TYPE.equals(clazz))
                return Double.parseDouble(sValue);
            else if (Double.class.equals(clazz))
                return Double.valueOf(sValue);
            else if (Character.TYPE.equals(clazz) || Character.class.equals(clazz)) {
                char charValue = 0;
                if (sValue.length() > 0) {
                    charValue = sValue.charAt(0);
                }
                if (Character.TYPE.equals(clazz))
                    return charValue;
                else
                    return charValue;
            } else if (clazz.equals(Locale.class)) {
                String[] components = sValue.split("_", 2);
                if (components.length == 2) {
                    return new Locale(components[0], components[1]);
                } else {
                    return new Locale(sValue);
                }
            } else if (Enum.class.isAssignableFrom(clazz)) {
                return Enum.valueOf(clazz, sValue);
            }
        }

        return value;
    }