/**
* Copy from the copy method in StructUtil. Did not want to drag that code in. maybe this actually
* should go to struct.
*
* @param from
* @param to
* @param excludes
* @return
* @throws Exception
*/
public static <T extends struct> T xcopy(struct from, T to, String... excludes) throws Exception {
Arrays.sort(excludes);
for (Field f : from.fields()) {
if (Arrays.binarySearch(excludes, f.getName()) >= 0) continue;
Object o = f.get(from);
if (o == null) continue;
Field tof = to.getField(f.getName());
if (tof != null)
try {
tof.set(to, Converter.cnv(tof.getGenericType(), o));
} catch (Exception e) {
System.out.println(
"Failed to convert "
+ f.getName()
+ " from "
+ from.getClass()
+ " to "
+ to.getClass()
+ " value "
+ o
+ " exception "
+ e);
}
}
return to;
}
/**
* Sets the field represented by this {@code field} object on the specified object argument {@code
* target} to the specified new value {@code rsrc}.
*
* @param field Field where resource should be injected.
* @param target Target object.
* @param rsrc Resource object which should be injected in target object field.
* @throws GridException Thrown if unable to inject resource.
*/
@SuppressWarnings({"ErrorNotRethrown"})
static void inject(Field field, Object target, Object rsrc) throws GridException {
if (rsrc != null && !field.getType().isAssignableFrom(rsrc.getClass()))
throw new GridException(
"Resource field is not assignable from the resource: " + rsrc.getClass());
try {
// Override default Java access check.
field.setAccessible(true);
field.set(target, rsrc);
} catch (SecurityException | ExceptionInInitializerError | IllegalAccessException e) {
throw new GridException(
"Failed to inject resource [field="
+ field.getName()
+ ", target="
+ target
+ ", rsrc="
+ rsrc
+ ']',
e);
}
}