private static Object getRealValue(
Object bean, ExtendedPropertyDescriptor epd, String parameter) {
if (epd.getPropertyType() == String.class) return parameter;
else if (epd.getPropertyType() == Boolean.class || epd.getPropertyType() == Boolean.TYPE)
return Boolean.valueOf(parameter);
else if (epd.getPropertyType() == Integer.class || epd.getPropertyType() == Integer.TYPE)
return Integer.valueOf(parameter);
else
throw new IllegalArgumentException(
"NYI: property: "
+ epd.getName()
+ " of "
+ bean.getClass()
+ ", type: "
+ epd.getPropertyType());
}
private static void saveBean(Object bean, int beanKey, HttpServletRequest req)
throws IllegalAccessException, InvocationTargetException, IntrospectionException {
log.info("Saving bean: " + bean.getClass().getName());
ExtendedBeanInfo beanInfo = getExtendedBeanInfo(bean);
Map<String, ExtendedPropertyDescriptor> epds = beanInfo.getExtendedPropertyDescriptorsByName();
Enumeration<?> parameterNames = req.getParameterNames();
String valueParameterPrefix = "beanedit." + beanKey + ".value.";
while (parameterNames.hasMoreElements()) {
String name = (String) parameterNames.nextElement();
if (name.startsWith(valueParameterPrefix)) {
String propertyName = name.substring(valueParameterPrefix.length());
int bracketOpenIndex = propertyName.indexOf('[');
String mapEntryKey = null;
if (bracketOpenIndex >= 0) {
// we're dealing with a map => extract the key
if (!propertyName.endsWith("]"))
throw new IllegalStateException(
"propertyName contains '[' but does not end on ']': " + propertyName);
mapEntryKey = propertyName.substring(bracketOpenIndex + 1, propertyName.length() - 1);
propertyName = propertyName.substring(0, bracketOpenIndex);
}
ExtendedPropertyDescriptor epd = epds.get(propertyName);
if (mapEntryKey != null && !epd.isMap())
throw new IllegalStateException(
"propertyName encodes a map key, but ExtendedPropertyDescriptor says it's not a map! "
+ name);
if (mapEntryKey == null) {
Object realValue = getRealValue(bean, epd, req.getParameter(name));
epd.setValue(bean, realValue);
} else {
if (epd.getMapKeyType() == String.class && epd.getMapValueType() == String.class) {
String realValue = req.getParameter(name);
@SuppressWarnings("unchecked")
Map<String, String> map = (Map<String, String>) epd.getValue(bean);
map.put(mapEntryKey, realValue);
}
}
}
}
}