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/*******************************************************************************
* Copyright (c) 2000, 2003 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.team.internal.ccvs.ui.actions;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.*;
import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption;
import org.eclipse.team.internal.ccvs.core.client.Command.QuietOption;
import org.eclipse.team.internal.ccvs.core.connection.CVSRepositoryLocation;
import org.eclipse.team.internal.ccvs.core.connection.CVSServerException;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.syncinfo.FolderSyncInfo;
import org.eclipse.team.internal.ccvs.core.util.KnownRepositories;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.team.internal.ccvs.ui.ResizableWizardDialog;
import org.eclipse.team.internal.ccvs.ui.wizards.RestoreFromRepositoryWizard;
/**
* @author Administrator
*
* To change this generated comment edit the template variable "typecomment":
* Window>Preferences>Java>Templates.
* To enable and disable the creation of type comments go to
* Window>Preferences>Java>Code Generation.
*/
public class RestoreFromRepositoryAction extends CVSAction {
/*
* This class handles the output from "cvs log -R ..." where -R
* indicates that only the RCS file name is to be returned. Files
* that have been deleted will be in the Attic. The Attic may also
* contains files that exist on a branch but not in HEAD
*/
class AtticLogListener extends CommandOutputListener {
private static final String ATTIC = "Attic"; //$NON-NLS-1$
private static final String RCS_FILE_POSTFIX = ",v"; //$NON-NLS-1$
private static final String LOGGING_PREFIX = "Logging "; //$NON-NLS-1$
ICVSFolder currentFolder;
List atticFiles = new ArrayList();
public IStatus messageLine(
String line,
ICVSRepositoryLocation location,
ICVSFolder commandRoot,
IProgressMonitor monitor) {
// Find all RCS file names that contain "Attic"
int index = line.indexOf(ATTIC);
if (index == -1) return OK;
// Extract the file name and path from the RCS path
String filePath = line.substring(index);
int start = line.indexOf(Session.SERVER_SEPARATOR, index);
String fileName = line.substring(start + 1);
if (fileName.endsWith(RCS_FILE_POSTFIX)) {
fileName = fileName.substring(0, fileName.length() - RCS_FILE_POSTFIX.length());
}
try {
atticFiles.add(currentFolder.getFile(fileName));
} catch (CVSException e) {
return e.getStatus();
}
return OK;
}
public IStatus errorLine(
String line,
ICVSRepositoryLocation location,
ICVSFolder commandRoot,
IProgressMonitor monitor) {
CVSRepositoryLocation repo = (CVSRepositoryLocation)location;
String folderPath = repo.getServerMessageWithoutPrefix(line, SERVER_PREFIX);
if (folderPath != null) {
if (folderPath.startsWith(LOGGING_PREFIX)) {
folderPath = folderPath.substring(LOGGING_PREFIX.length());
try {
currentFolder = commandRoot.getFolder(folderPath);
} catch (CVSException e) {
return e.getStatus();
}
return OK;
}
}
return super.errorLine(line, location, commandRoot, monitor);
}
public ICVSFile[] getAtticFilePaths() {
return (ICVSFile[]) atticFiles.toArray(new ICVSFile[atticFiles.size()]);
}
}
/**
* @see org.eclipse.team.internal.ccvs.ui.actions.CVSAction#execute(org.eclipse.jface.action.IAction)
*/
protected void execute(IAction action) throws InvocationTargetException, InterruptedException {
IContainer resource = (IContainer)getSelectedResources()[0];
ICVSFile[] files = fetchDeletedFiles(resource);
if (files == null) return;
if (files.length == 0) {
MessageDialog.openInformation(getShell(), Policy.bind("RestoreFromRepositoryAction.noFilesTitle"), Policy.bind("RestoreFromRepositoryAction.noFilesMessage", resource.getName())); //$NON-NLS-1$ //$NON-NLS-2$
return;
}
RestoreFromRepositoryWizard wizard = new RestoreFromRepositoryWizard(resource, files);
WizardDialog dialog = new ResizableWizardDialog(shell, wizard);
dialog.setMinimumPageSize(350, 250);
dialog.open();
}
/**
* @see org.eclipse.team.internal.ui.actions.TeamAction#isEnabled()
*/
protected boolean isEnabled() throws TeamException {
IResource[] resources = getSelectedResources();
if (resources.length != 1) return false;
if (resources[0].getType() == IResource.FILE) return false;
ICVSFolder folder = CVSWorkspaceRoot.getCVSFolderFor((IContainer)resources[0]);
if (!folder.isCVSFolder()) return false;
return true;
}
private ICVSFile[] fetchDeletedFiles(final IContainer parent) {
final ICVSFile[][] files = new ICVSFile[1][0];
files[0] = null;
try {
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
ICVSFolder folder = CVSWorkspaceRoot.getCVSFolderFor(parent);
FolderSyncInfo info = folder.getFolderSyncInfo();
ICVSRepositoryLocation location = KnownRepositories.getInstance().getRepository(info.getRoot());
files[0] = fetchFilesInAttic(location, folder, monitor);
} catch (CVSException e) {
throw new InvocationTargetException(e);
}
}
}, true, PROGRESS_DIALOG);
} catch (InvocationTargetException e) {
handle(e);
} catch (InterruptedException e) {
return null;
}
return files[0];
}
/*
* Fetch the RCS paths (minus the Attic segment) of all files in the Attic.
* This path includes the repository root path.
*/
private ICVSFile[] fetchFilesInAttic(ICVSRepositoryLocation location, ICVSFolder parent, IProgressMonitor monitor) throws CVSException {
monitor = Policy.monitorFor(monitor);
monitor.beginTask(null, 100);
AtticLogListener listener = new AtticLogListener();
Session session = new Session(location, parent, true /* output to console */);
session.open(Policy.subMonitorFor(monitor, 10), false /* read-only */);
try {
QuietOption quietness = CVSProviderPlugin.getPlugin().getQuietness();
try {
CVSProviderPlugin.getPlugin().setQuietness(Command.VERBOSE);
IStatus status = Command.LOG.execute(
session,
Command.NO_GLOBAL_OPTIONS,
new LocalOption[] { Log.RCS_FILE_NAMES_ONLY },
new ICVSResource[] { parent }, listener,
Policy.subMonitorFor(monitor, 90));
if (status.getCode() == CVSStatus.SERVER_ERROR) {
throw new CVSServerException(status);
}
} finally {
CVSProviderPlugin.getPlugin().setQuietness(quietness);
monitor.done();
}
} finally {
session.close();
}
return listener.getAtticFilePaths();
}
}
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