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/*******************************************************************************
* Copyright (c) 2006, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.internal.preferences.WorkbenchSettingsTransfer;
/**
* The WorkbenchSettings handles the recording and restoring of workbench
* settings.
*
* @since 3.3
*
*/
public class WorkbenchLayoutSettingsTransfer extends WorkbenchSettingsTransfer {
/**
* Create a new instance of the receiver.
*/
public WorkbenchLayoutSettingsTransfer() {
super();
}
@Override
public IStatus transferSettings(IPath newWorkspaceRoot) {
try {
IPath currentLocation = getNewWorkbenchStateLocation(Platform.getLocation());
File workspaceFile = createFileAndDirectories(newWorkspaceRoot);
if (workspaceFile == null)
return new Status(
IStatus.ERROR,
WorkbenchPlugin.PI_WORKBENCH,
WorkbenchMessages.WorkbenchSettings_CouldNotCreateDirectories);
File deltas = new File(currentLocation.toOSString(), "deltas.xml"); //$NON-NLS-1$
if (deltas.exists()) {
byte[] bytes = new byte[8192];
FileInputStream inputStream = new FileInputStream(deltas);
FileOutputStream outputStream = new FileOutputStream(new File(workspaceFile,
"deltas.xml")); //$NON-NLS-1$
int read = inputStream.read(bytes, 0, 8192);
while (read != -1) {
outputStream.write(bytes, 0, read);
read = inputStream.read(bytes, 0, 8192);
}
inputStream.close();
outputStream.close();
}
File workbenchModel = new File(currentLocation.toOSString(), "workbench.xmi"); //$NON-NLS-1$
if (workbenchModel.exists()) {
byte[] bytes = new byte[8192];
FileInputStream inputStream = new FileInputStream(workbenchModel);
FileOutputStream outputStream = new FileOutputStream(new File(workspaceFile,
"workbench.xmi")); //$NON-NLS-1$
int read = inputStream.read(bytes, 0, 8192);
while (read != -1) {
outputStream.write(bytes, 0, read);
read = inputStream.read(bytes, 0, 8192);
}
inputStream.close();
outputStream.close();
}
} catch (IOException e) {
return new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH,
WorkbenchMessages.Workbench_problemsSavingMsg, e);
}
return Status.OK_STATUS;
}
/**
* Create the parent directories for the workbench layout file and then
* return the File.
*
* @param newWorkspaceRoot
* @return File the new layout file. Return <code>null</code> if the file
* cannot be created.
*/
private File createFileAndDirectories(IPath newWorkspaceRoot) {
IPath newWorkspaceLocation = getNewWorkbenchStateLocation(newWorkspaceRoot);
File workspaceFile = new File(newWorkspaceLocation.toOSString());
if (!workspaceFile.exists()) {
if (!workspaceFile.mkdirs())
return null;
}
return workspaceFile;
}
@Override
public String getName() {
return WorkbenchMessages.WorkbenchLayoutSettings_Name;
}
/**
* Return the workbench settings location for the new root
*
* @param newWorkspaceRoot
* @return IPath or <code>null</code> if it can't be determined.
*/
@Override
protected IPath getNewWorkbenchStateLocation(IPath newWorkspaceRoot) {
return newWorkspaceRoot.append(new Path(".metadata/.plugins/org.eclipse.e4.workbench")); //$NON-NLS-1$
}
}
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