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/*******************************************************************************
* Copyright (c) 2007, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.core.internal.net;
import org.eclipse.core.runtime.preferences.ConfigurationScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
public class PreferenceModifyListener extends
org.eclipse.core.runtime.preferences.PreferenceModifyListener {
public PreferenceModifyListener() {
// Nothing to do
}
public IEclipsePreferences preApply(IEclipsePreferences node) {
// the node does not need to be the root of the hierarchy
Preferences root = node.node("/"); //$NON-NLS-1$
try {
// we must not create empty preference nodes, so first check if the node exists
if (root.nodeExists(InstanceScope.SCOPE)) {
Preferences instance = root.node(InstanceScope.SCOPE);
// we must not create empty preference nodes, so first check if the node exists
if (instance.nodeExists(Activator.ID)) {
((ProxyManager) ProxyManager.getProxyManager())
.migrateInstanceScopePreferences(
instance.node(Activator.ID),
root.node(ConfigurationScope.SCOPE).node(
Activator.ID), false);
}
}
} catch (BackingStoreException e) {
Activator.logError("Could not access instance preferences", e); //$NON-NLS-1$
}
return super.preApply(node);
}
}
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