| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.preferences; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences; |
| import org.eclipse.core.runtime.preferences.IExportedPreferences; |
| import org.osgi.service.prefs.BackingStoreException; |
| |
| /** |
| * @since 3.0 |
| */ |
| public class ExportedPreferences extends EclipsePreferences implements IExportedPreferences { |
| |
| private boolean isExportRoot = false; |
| |
| ExportedPreferences(IEclipsePreferences parent, String name) { |
| super(parent, name); |
| } |
| |
| /* |
| * @see org.eclipse.core.runtime.preferences.IExportedPreferences#isExportRoot() |
| */ |
| public boolean isExportRoot() { |
| return isExportRoot; |
| } |
| |
| /* |
| * Internal method called only by the import/export mechanism. |
| */ |
| public void setExportRoot() { |
| isExportRoot = true; |
| } |
| |
| /* |
| * @see org.eclipse.core.runtime.preferences.IScope#create(org.eclipse.core.runtime.preferences.IEclipsePreferences, java.lang.String) |
| */ |
| public IEclipsePreferences create(IEclipsePreferences nodeParent, String nodeName) { |
| return new ExportedPreferences(nodeParent, nodeName); |
| } |
| |
| /* |
| * @see org.osgi.service.prefs.Preferences#remove(java.lang.String) |
| */ |
| public void remove(String key) { |
| super.remove(key); |
| if (properties == null) |
| try { |
| removeNode(); |
| } catch (BackingStoreException e) { |
| String message = "Exception trying to remove node from exported prefs: " + absolutePath(); |
| IStatus status = new Status(IStatus.ERROR, Platform.PI_RUNTIME, IStatus.ERROR, message, e); |
| log(status); |
| } |
| } |
| |
| /* |
| * Return a string representation of this object. To be used for |
| * debugging purposes only. |
| */ |
| public String toString() { |
| StringBuffer buffer = new StringBuffer(); |
| if (isExportRoot) |
| buffer.append("* "); //$NON-NLS-1$ |
| buffer.append(absolutePath()); |
| return buffer.toString(); |
| } |
| } |