scilab/modules/gui/src/java/org/scilab/modules/gui/events/callback/JavaCallBack.java

   1 /*
   2  *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
   3  *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
   4  *
   5  *  This file must be used under the terms of the CeCILL.
   6  *  This source file is licensed as described in the file COPYING, which
   7  *  you should have received as part of this distribution.  The terms
   8  *  are also available at
   9  *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
  10  *
  11  */
  12 package org.scilab.modules.gui.events.callback;
  13
  14 import java.awt.event.ActionEvent;
  15 import java.lang.reflect.Method;
  16
  17 /**
  18  * Generic class to hide callback management
  19  * @author bruno
  20  *
  21  */
  22 public abstract class JavaCallBack extends CallBack {
  23
  24         /**
  25          * @param command : the command to execute.
  26          */
  27         private JavaCallBack(String command) {
  28                 super(command);
  29         }
  30
  31         /**
  32          * Callback Factory to easily create a callback
  33          * just like in scilab.
  34          * @param command : the command to execute.
  35          * @return a usable Java callback
  36          */
  37         public static JavaCallBack create(String command) {
  38                 return (new JavaCallBack(command) {
  39                         public void callBack() {
  40                                 try {
  41                                         int lastPoint = command.lastIndexOf(".");
  42                                         Class invokedClass = Class.forName(command.substring(0, lastPoint));
  43                                         Method runMe = invokedClass.getMethod(command.substring(lastPoint + 1));
  44                                         // Only able to launch method Class.
  45                                         runMe.invoke(invokedClass.getClass(), (Object[]) null);
  46                                 } catch (Exception e) {
  47                                         // TODO Auto-generated catch block
  48                                         e.printStackTrace();
  49                                 }
  50                         }
  51                 });
  52         }
  53
  54         /**
  55          * Callback Factory to easily create a callback
  56          * just like in scilab.
  57          * @param command : the command to execute.
  58          * @return a usable Java callback
  59          */
  60         public static CallBack createOutOfXclickAndXgetmouse(String command) {
  61                 return (new JavaCallBack(command) {
  62                         public void callBack() {
  63                                 try {
  64                                         int lastPoint = command.lastIndexOf(".");
  65                                         Class invokedClass = Class.forName(command.substring(0, lastPoint));
  66                                         Method runMe = invokedClass.getMethod(command.substring(lastPoint + 1));
  67                                         // Only able to launch method Class.
  68                                         runMe.invoke(invokedClass.getClass(), (Object[]) null);
  69                                 } catch (Exception e) {
  70                                         // TODO Auto-generated catch block
  71                                         e.printStackTrace();
  72                                 }
  73                         }
  74
  75                         /**
  76                          * To match the standard Java Action management.
  77                          * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
  78                          * @param e The event that launch the callback.
  79                          */
  80                         public void actionPerformed(ActionEvent e) {
  81                             callBack();
  82                         }
  83                 });
  84         }
  85 }