| /******************************************************************************* |
| * Copyright (c) 2006 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.ui.internal.preferences; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.preferences.SettingsTransfer; |
| |
| /** |
| * The WorkbenchSettingsTransfer is the abstract superclass of settings |
| * transfers in the workbench. |
| * |
| * @since 3.3 |
| * |
| */ |
| public abstract class WorkbenchSettingsTransfer extends SettingsTransfer { |
| |
| /** |
| * Return a status message for missing workspace settings. |
| * @return IStatus |
| */ |
| protected IStatus noWorkingSettingsStatus() { |
| return new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH, |
| WorkbenchMessages.WorkbenchSettings_CouldNotFindLocation); |
| } |
| |
| /** |
| * Return the workbench settings location for the new root |
| * @param newWorkspaceRoot |
| * @return IPath or <code>null</code> if it can't be determined. |
| */ |
| protected IPath getNewWorkbenchStateLocation(IPath newWorkspaceRoot) { |
| IPath currentWorkspaceRoot = Platform.getLocation(); |
| |
| IPath dataLocation = WorkbenchPlugin.getDefault().getDataLocation(); |
| |
| if (dataLocation == null) |
| return null; |
| int segmentsToRemove = dataLocation |
| .matchingFirstSegments(currentWorkspaceRoot); |
| |
| // Strip it down to the extension |
| dataLocation = dataLocation.removeFirstSegments(segmentsToRemove); |
| // Now add in the |
| dataLocation = newWorkspaceRoot.append(dataLocation); |
| return dataLocation; |
| } |
| |
| } |