Java 类org.openide.util.actions.CallableSystemAction 实例源码

/**
 * Generic method to invoke commands available from the menu bar. The actionName passed in is usually
 * the concatentaion of the words making the menu items:
 * e.g. performAction("FileOpen") is equivalent to picking the cascade menu File->Open Model
 * 
 * @param actionName
 */
static public void performAction(String actionName) {
    FileObject myActionsFolder = FileUtil.getConfigFile("Actions/Edit");
    FileObject[] myActionsFolderKids = myActionsFolder.getChildren();
    for (FileObject fileObject : myActionsFolderKids) {
        //Probably want to make this more robust,
        //but the point is that here we find a particular Action:
        if (fileObject.getName().contains(actionName)) {
            try {
                DataObject dob = DataObject.find(fileObject);
                InstanceCookie ic = dob.getLookup().lookup(InstanceCookie.class);
                if (ic != null) {
                    Object instance = ic.instanceCreate();
                    if (instance instanceof CallableSystemAction) {
                        CallableSystemAction a = (CallableSystemAction) instance;
                        a.performAction();
                    }
                }
                break;
            } catch (Exception e) {
                ErrorManager.getDefault().notify(ErrorManager.WARNING, e);
             }
        }
    }

}

private boolean isMethodOverridden(NodeAction d, String name) {
    try {
        Method m = d.getClass().getMethod(name, new Class[0]);

        return m.getDeclaringClass() != CallableSystemAction.class;
    } catch (java.lang.NoSuchMethodException ex) {
        ex.printStackTrace();
        throw new IllegalStateException("Error searching for method " + name + " in " + d); // NOI18N
    }
}

private boolean isMethodOverridden(NodeAction d, String name) {
    try {
        Method m = d.getClass().getMethod(name, new Class[0]);

        return m.getDeclaringClass() != CallableSystemAction.class;
    } catch (java.lang.NoSuchMethodException ex) {
        ex.printStackTrace();
        throw new IllegalStateException("Error searching for method " + name + " in " + d); // NOI18N
    }
}

private boolean isMethodOverridden(NodeAction d, String name) {
    try {
        Method m = d.getClass().getMethod(name, new Class[0]);

        return m.getDeclaringClass() != CallableSystemAction.class;
    } catch (java.lang.NoSuchMethodException ex) {
        ex.printStackTrace();
        throw new IllegalStateException("Error searching for method " + name + " in " + d); // NOI18N
    }
}

private static JPopupMenu createPopupMenu(MergePanel panel) {
    JPopupMenu popup = new JPopupMenuPlus();
    SystemAction[] actions = panel.getSystemActions();
    for (int i = 0; i < actions.length; i++) {
        if (actions[i] == null) {
            popup.addSeparator();
        } else if (actions[i] instanceof CallableSystemAction) {
            popup.add(((CallableSystemAction)actions[i]).getPopupPresenter());
            //add FileSystemAction to pop-up menu
        } else if (actions[i] instanceof FileSystemAction) {
            popup.add(((FileSystemAction)actions[i]).getPopupPresenter());
        }
    }
    return popup;
}

private boolean isMethodOverridden(NodeAction d, String name) {
    try {
        Method m = d.getClass().getMethod(name, new Class[0]);

        return m.getDeclaringClass() != CallableSystemAction.class;
    } catch (java.lang.NoSuchMethodException ex) {
        ex.printStackTrace();
        throw new IllegalStateException("Error searching for method " + name + " in " + d); // NOI18N
    }
}