public void testNodeChange() {
System.out.println("***TestEvent");
try {
Preferences userRoot = Preferences.userRoot();
userRoot.addNodeChangeListener(
new NodeChangeListener() {
public void childAdded(NodeChangeEvent evt) {
System.out.println(
"childAdded = " + evt.getParent().name() + " " + evt.getChild().name());
}
public void childRemoved(NodeChangeEvent evt) {
System.out.println(
"childRemoved = " + evt.getParent().name() + " " + evt.getChild().name());
}
});
Preferences node = userRoot.node("testAdd");
node.removeNode();
} catch (Exception e) {
System.out.println(e);
e.printStackTrace();
}
}
public static void main(String[] args) throws Exception {
String osName = System.getProperty("os.name");
if (osName.startsWith("Windows")) return;
Preferences root = Preferences.userRoot();
Preferences node1 = root.node("node1");
Preferences node1A = node1.node("node1A");
Preferences node1B = node1.node("node1B");
node1B.put("mykey", "myvalue");
node1.flush();
String node1BDirName = System.getProperty("user.home") + "/.java/.userPrefs" + "/node1/node1B";
File node1BDir = new File(node1BDirName);
node1BDir.setReadOnly();
try {
node1.removeNode();
} catch (BackingStoreException ex) {
// expected exception
} finally {
Runtime.getRuntime().exec("chmod 755 " + node1BDirName).waitFor();
try {
node1.removeNode();
} catch (Exception e) {
}
}
}
public void testRemoveParentNode() throws BackingStoreException {
assertNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
Preferences subnode = pref.node("subnode");
assertNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
subnode.put("key", "value");
subnode.flush();
assertNotNull(storage.toFolder());
assertNull(storage.toPropertiesFile());
subnode.removeNode();
pref.flush();
assertNull(storage.toPropertiesFile());
assertNull(storage.toFolder());
assertFalse(storage.existsNode());
}
public void testPreferencesEvents2() throws Exception {
pref.addNodeChangeListener(new NodeListener());
pref.addPreferenceChangeListener(new PrefListener());
Preferences child = pref.node("a");
nodeAddedEvent.await();
assertEquals("Missing node added event", 0, nodeAddedEvent.getCount());
pref.put("key", "value");
prefChangedEvent.await();
assertEquals("Missing preference change event", 0, prefChangedEvent.getCount());
pref.remove("key");
prefRemovedEvent.await();
assertEquals("Missing preference removed event", 0, prefRemovedEvent.getCount());
child.removeNode();
nodeRemovedEvent.await();
assertEquals("Missing node removed event", 0, nodeRemovedEvent.getCount());
}