public Class getPropertyType(String name) {
if (ReflectionUtil.hasProperty(type, name))
return ReflectionUtil.getPropertyDescriptor(type, name).getPropertyType();
else {
try {
Field field = type.getDeclaredField(name);
if (ReflectionUtil.isMemberField(field)) {
field.setAccessible(true);
return field.getType();
}
} catch (Exception e) {
}
return null;
}
}
public Collection keys() {
Object prototype = createPrototype();
Set<String> set = new HashSet<String>();
for (PropertyDescriptor prop : ReflectionUtil.getProperties(getType())) {
if (config.isPropertyAccessibleForEncoding(prop))
try {
if (!Utilities.same(
getProperty(getObject(), prop.getName()), getProperty(prototype, prop.getName())))
set.add(prop.getName());
} catch (Exception e) {
}
}
for (Field field : getType().getDeclaredFields())
if (config.isFieldAccessibleForEncoding(field)) {
field.setAccessible(true);
try {
if (!Utilities.same(field.get(prototype), field.get(getObject())))
set.add(field.getName());
} catch (Exception e) {
}
}
// sort the keys alphabetically
List<String> ret = new ArrayList<String>(set);
Collections.sort(
ret,
new Comparator<String>() {
public int compare(String o1, String o2) {
return o1.compareTo(o2);
}
});
return ret;
}
public Object getProperty(Object obj, String name) {
try {
PropertyDescriptor prop = ReflectionUtil.getPropertyDescriptor(type, name);
if (config.isPropertyAccessibleForEncoding(prop)) {
Method rm = prop.getReadMethod();
rm.setAccessible(true);
return rm.invoke(obj, null);
}
} catch (Exception e) {
}
try {
Field field = type.getDeclaredField(name);
if (config.isFieldAccessibleForEncoding(field)) {
field.setAccessible(true);
return field.get(obj);
}
} catch (Exception e) {
}
throw new PropertyAccessException("Can't get " + name + " property on type " + type + ".");
}
public void setProperty(String name, Object value) throws PropertyAccessException {
try {
PropertyDescriptor prop = ReflectionUtil.getPropertyDescriptor(type, name);
if (config.isPropertyAccessibleForEncoding(prop)) {
Method wm = prop.getWriteMethod();
wm.setAccessible(true);
wm.invoke(getObject(), new Object[] {value});
return;
}
} catch (Exception e) {
}
try {
Field field = type.getDeclaredField(name);
if (config.isFieldAccessibleForDecoding(field)) {
field.setAccessible(true);
field.set(getObject(), value);
}
return;
} catch (Exception e) {
}
// ignore this
}
public boolean hasProperty(String name) {
PropertyDescriptor prop = ReflectionUtil.getPropertyDescriptor(type, name);
return config.isPropertyAccessibleForEncoding(prop);
}