Comment #49 on issue 62 by ericaro: Lifecycle support
http://code.google.com/p/google-guice/issues/detail?id=62
for the one expecting the feature, here is a "snipper" of mine:
//annotatedMethods is a simple method that return a list of any methods
(and super ones, that has the given annotation)
public static <T extends Annotation> List<Method> annotatedMethods(Class<?>
target, Class<T> annotationClass) {
List<Method> methods = new ArrayList<Method>();
while (target != null) {
for (Method m : target.getDeclaredMethods()) {
T annotated = m.getAnnotation(annotationClass);
if (annotated != null) {
methods.add(m);
}
}
target = target.getSuperclass();
}
return methods;
}
// the type listener itself
public class JFormDesignerTypeListener implements TypeListener {
public <T> void hear(TypeLiteral<T> typeLiteral, TypeEncounter<T>
typeEncounter) {
Class<? super T> raw = typeLiteral.getRawType();
List<Method> methods = annotatedMethods(raw,
PostConstruct.class);
typeEncounter.register(new JFormDesignerInjector<T>(methods));
}
}
//and the JFormDesignerInjector :
class JFormDesignerInjector<T> implements MembersInjector<T> {
private List<Method> methods;
public JFormDesignerInjector(List<Method> methods) {
super();
this.methods = methods;
}
/**
* @param t
*/
public void injectMembers(final T t) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
for (Method m : methods) {
try {
m.setAccessible(true);
m.invoke(t, null);
} catch
(InvocationTargetException ite) {
assert false : "Static
Exception Occurred. @PostConstructor Method raises an exception:" +
t.getClass() + ":" + m.getName() + " raises :" +
ite.getTargetException() + " : " + ite.getTargetException().getMessage();
} catch (Throwable e) {
assert false : "Static Exception Occurred. @See logs for more details
in: " + JFormDesignerInjector.this.getClass().getName() + " " +
e.getMessage();
}
}
}
});
}
I've tried to simplified my actual code ( in fact I've mixed bean
injections from JFormDesigner and @PostConstructor ).
The main idea here is to use the swing invokelater to handle the
PostConstructor. this is quite nice for "swing" requirements ( as I had ).
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