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/*
* FindBugs - Find Bugs in Java programs
* Copyright (C) 2006, University of Maryland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.gui2;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import javax.annotation.CheckForNull;
import javax.swing.tree.TreePath;
/**
* @author pugh
*/
public class FilterActivity {
private static final HashSet listeners = new HashSet();
public static boolean addFilterListener(FilterListener newListener) {
return listeners.add(newListener);
}
public static void removeFilterListener(FilterListener toRemove) {
listeners.remove(toRemove);
}
public static void notifyListeners(FilterListener.Action whatsGoingOnCode, @CheckForNull TreePath optionalPath) {
Collection currentListeners = new ArrayList(FilterActivity.listeners);
switch (whatsGoingOnCode) {
case FILTERING:
case UNFILTERING:
for (FilterListener i : currentListeners) {
i.clearCache();
}
break;
}
MainFrame.getInstance().updateStatusBar();
}
public static class FilterActivityNotifier {
public void notifyListeners(FilterListener.Action whatsGoingOnCode, TreePath optionalPath) {
FilterActivity.notifyListeners(whatsGoingOnCode, optionalPath);
}
}
}