| /******************************************************************************* |
| * Copyright (c) 2007, 2017 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 |
| } |
| |
| @Override |
| 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); |
| } |
| } |