Example usage for java.util.prefs Preferences addNodeChangeListener

Introduction

In this page you can find the example usage for java.util.prefs Preferences addNodeChangeListener.

Prototype

public abstract void addNodeChangeListener(NodeChangeListener ncl);

Source Link

Document

Registers the specified listener to receive node change events for this node.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Preferences prefs = Preferences.userNodeForPackage(String.class);

    prefs.addNodeChangeListener(new NodeChangeListener() {
        public void childAdded(NodeChangeEvent evt) {
            Preferences parent = evt.getParent();
            Preferences child = evt.getChild();
        }//  ww w. j  a  v  a  2  s.  co m

        public void childRemoved(NodeChangeEvent evt) {
            Preferences parent = evt.getParent();
            Preferences child = evt.getChild();
        }
    });
    Preferences child = prefs.node("new node");
    child.removeNode();
    prefs.removeNode();
}

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