/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.filesys.repo.desk;
import java.io.IOException;
import java.io.Serializable;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.filesys.alfresco.DesktopAction;
import org.alfresco.filesys.alfresco.DesktopParams;
import org.alfresco.filesys.alfresco.DesktopResponse;
import org.alfresco.filesys.alfresco.DesktopTarget;
import org.alfresco.filesys.alfresco.AlfrescoDiskDriver.CallableIO;
import org.alfresco.jlan.server.filesys.FileName;
import org.alfresco.jlan.server.filesys.FileStatus;
import org.alfresco.jlan.server.filesys.NotifyChange;
import org.alfresco.jlan.server.filesys.cache.FileState;
import org.alfresco.jlan.server.filesys.cache.FileStateCache;
import org.alfresco.jlan.smb.server.notify.NotifyChangeHandler;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.coci.CheckOutCheckInService;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.util.Pair;
/**
* Check In/Out Desktop Action Class
*
*
Provides check in/out functionality via CIFS using the desktop action interface.
*
* @author gkspencer
*/
public class CheckInOutDesktopAction extends DesktopAction {
/**
* Class constructor
*/
public CheckInOutDesktopAction()
{
super( DesktopAction.AttrAnyFiles, DesktopAction.PreConfirmAction + DesktopAction.PreCopyToTarget + DesktopAction.PreLocalToWorkingCopy);
}
/**
* Return the confirmation string to be displayed by the client
*
* @return String
*/
@Override
public String getConfirmationString() {
return "Run check in/out action";
}
/**
* Run the desktop action
*
* @param params DesktopParams
* @return DesktopResponse
*/
@Override
public DesktopResponse runAction(final DesktopParams params) {
// Check if there are any files/folders to process
if ( params.numberOfTargetNodes() == 0)
return new DesktopResponse(StsSuccess);
class WriteTxn implements CallableIO
{
private List> fileChanges;
/* (non-Javadoc)
* @see java.util.concurrent.Callable#call()
*/
public DesktopResponse call() throws IOException
{
// Initialize / reset the list of file changes
fileChanges = new LinkedList>();
// Get required services
ServiceRegistry serviceRegistry = getServiceRegistry();
NodeService nodeService = serviceRegistry.getNodeService();
CheckOutCheckInService checkOutCheckInService = serviceRegistry.getCheckOutCheckInService();
// Process the list of target nodes
DesktopResponse response = new DesktopResponse(StsSuccess);
for ( int idx = 0; idx < params.numberOfTargetNodes(); idx++)
{
// Get the current target node
DesktopTarget target = params.getTarget(idx);
// Check if the node is a working copy
if ( nodeService.hasAspect( target.getNode(), ContentModel.ASPECT_WORKING_COPY))
{
try
{
// Check in the file, pass an empty version properties so that veriosnable nodes create a new version
Map versionProperties = new HashMap();
checkOutCheckInService.checkin( target.getNode(), versionProperties, null, false);
// Check if there are any file/directory change notify requests active
if ( getContext().hasFileServerNotifications()) {
// Build the relative path to the checked in file
String fileName = null;
if ( target.getTarget().startsWith(FileName.DOS_SEPERATOR_STR))
{
// Path is already relative to filesystem root
fileName = target.getTarget();
}
else
{
// Build a root relative path for the file
fileName = FileName.buildPath( params.getFolder().getFullName(), null, target.getTarget(), FileName.DOS_SEPERATOR);
}
// Queue a file deleted change notification
fileChanges.add(new Pair(NotifyChange.ActionRemoved, fileName));
}
}
catch (Exception ex)
{
// Propagate retryable errors. Log the rest.
if (RetryingTransactionHelper.extractRetryCause(ex) != null)
{
if (ex instanceof RuntimeException)
{
throw (RuntimeException)ex;
}
else
{
throw new AlfrescoRuntimeException("Desktop action error", ex);
}
}
// Dump the error
if ( logger.isErrorEnabled())
logger.error("Desktop action error", ex);
// Return an error status and message
response.setStatus(StsError, "Checkin failed for " + target.getTarget() + ", " + ex.getMessage());
}
}
else
{
try
{
// Check if the file is locked
if ( nodeService.hasAspect( target.getNode(), ContentModel.ASPECT_LOCKABLE)) {
// Get the lock type
String lockTypeStr = (String) nodeService.getProperty( target.getNode(), ContentModel.PROP_LOCK_TYPE);
if ( lockTypeStr != null) {
response.setStatus(StsError, "Checkout failed, file is locked");
return response;
}
}
// Check out the file
NodeRef workingCopyNode = checkOutCheckInService.checkout( target.getNode());
// Get the working copy file name
String workingCopyName = (String) nodeService.getProperty( workingCopyNode, ContentModel.PROP_NAME);
// Check out was successful, pack the working copy name
response.setStatus(StsSuccess, "Checked out working copy " + workingCopyName);
// Build the relative path to the checked out file
String fileName = FileName.buildPath( params.getFolder().getFullName(), null, workingCopyName, FileName.DOS_SEPERATOR);
// Update cached state for the working copy to indicate the file exists
FileStateCache stateCache = getContext().getStateCache();
if ( stateCache != null) {
// Update any cached state for the working copy file
FileState fstate = stateCache.findFileState( fileName);
if ( fstate != null)
fstate.setFileStatus( FileStatus.FileExists);
}
// Check if there are any file/directory change notify requests active
if ( getContext().hasChangeHandler()) {
// Build the relative path to the checked in file
// Queue a file added change notification
fileChanges.add(new Pair(NotifyChange.ActionAdded, fileName));
}
}
catch (Exception ex)
{
// Propagate retryable errors. Log the rest.
if (RetryingTransactionHelper.extractRetryCause(ex) != null)
{
if (ex instanceof RuntimeException)
{
throw (RuntimeException)ex;
}
else
{
throw new AlfrescoRuntimeException("Desktop action error", ex);
}
}
// Dump the error
if ( logger.isErrorEnabled())
logger.error("Desktop action error", ex);
// Return an error status and message
response.setStatus(StsError, "Failed to checkout " + target.getTarget() + ", " + ex.getMessage());
}
}
}
// Return a success status for now
return response;
}
/**
* Queue the file change notifications resulting from this successfully processed transaction.
*/
public void notifyChanges()
{
NotifyChangeHandler notifyChangeHandler = getContext().getChangeHandler();
for (Pair fileChange : fileChanges)
{
notifyChangeHandler.notifyFileChanged(fileChange.getFirst(), fileChange.getSecond());
}
}
}
// Process the transaction
WriteTxn callback = new WriteTxn();
DesktopResponse response;
try
{
response = params.getDriver().doInWriteTransaction(params.getSession(), callback);
}
catch (IOException e)
{
// Should not happen
throw new AlfrescoRuntimeException("Desktop action error", e);
}
// Queue file change notifications
callback.notifyChanges();
return response;
}
}