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Is there a better way to have a listener on a java collection than wrap it in a class imple开发者_如何学编程menting the observer pattern ?You should check out Glazed Lists
I\'m writing an application and need some help with consistently storing and loading preferences related to certain resources. Let me give an example.
I am working on a Widget which will get the Current GPS location and pass this value to remote PHP page to get the Information and display it in the Widget. This is what I am trying to do.
My listener is filling Cache (Terracota) and if something goes wrong at application start, ExceptionInInitializerError is thrown. I would like to get server name (like on HttpServletRequest - getServe
I\'ve got a window and I would like to get notified when the position or the size has changed. Which type of listener is the best to take?
In jboss-web.deployer/conf/web.xml there is a listener defined called SecurityFlustSessionListener. This listener searches for the component java:comp/env/security/securityMgr and if not found prints
I want the active window (i.e JFrame ot JDialog) to receive specific keyEvent so that whereever the focusing this keyevent is handling by the window such as ALT+F4 if you press
I have two webapps, that are built together and respectively provide a client and admin access to a database.
I have a class with an event: public event MyEventHandler MyEvent; Is there any way of getting a handle to the collection of objects (by reflection or otherwise) that are listening to this event?
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