/*
* Copyright (C) 2009 eXo Platform SAS.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.jcr.webdav.command;
import org.exoplatform.common.http.HTTPStatus;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import javax.jcr.AccessDeniedException;
import javax.jcr.ItemExistsException;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.Workspace;
import javax.jcr.lock.LockException;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
/**
* Created by The eXo Platform SAS.
* @author Vitaly Guly - gavrikvetal@gmail.com
*
* @version $Id: $
*/
public class CopyCommand
{
/**
* Logger.
*/
private static Log log = ExoLogger.getLogger("exo.jcr.component.webdav.CopyCommand");
/**
* Provides URI information needed for 'location' header in 'CREATED'
* response
*/
private final UriBuilder uriBuilder;
/**
* To trace if an item on destination path existed.
*/
private final boolean itemExisted;
/**
* Empty constructor
*/
public CopyCommand()
{
this.uriBuilder = null;
this.itemExisted = false;
}
/**
* Here we pass URI builder and info about pre-existence of item on the move
* destination path If an item existed, we must respond with NO_CONTENT (204)
* HTTP status.
* If an item did not exist, we must respond with CREATED (201) HTTP status
* More info can be found <a
* href=http://www.webdav.org/specs/rfc2518.html#METHOD_MOVE>here</a>.
*
* @param uriBuilder - provide data used in 'location' header
* @param itemExisted - indicates if an item existed on copy destination
*/
public CopyCommand(UriBuilder uriBuilder, boolean itemExisted)
{
this.uriBuilder = uriBuilder;
this.itemExisted = itemExisted;
}
/**
* Webdav COPY method implementation for the same workspace.
*
* @param destSession destination session
* @param sourcePath source file path
* @param destPath destination file path
* @return the instance of javax.ws.rs.core.Response
*/
public Response copy(Session destSession, String sourcePath, String destPath)
{
try
{
Workspace workspace = destSession.getWorkspace();
workspace.copy(sourcePath, destPath);
// If the source resource was successfully moved
// to a pre-existing destination resource.
if (itemExisted)
{
return Response.noContent().build();
}
// If the source resource was successfully moved,
// and a new resource was created at the destination.
else
{
if (uriBuilder != null)
{
return Response.created(uriBuilder.path(workspace.getName()).path(destPath).build()).build();
}
// to save compatibility if uribuilder is not provided
return Response.status(HTTPStatus.CREATED).build();
}
}
catch (ItemExistsException e)
{
return Response.status(HTTPStatus.METHOD_NOT_ALLOWED).entity(e.getMessage()).build();
}
catch (PathNotFoundException e)
{
return Response.status(HTTPStatus.CONFLICT).entity(e.getMessage()).build();
}
catch (AccessDeniedException e)
{
return Response.status(HTTPStatus.FORBIDDEN).entity(e.getMessage()).build();
}
catch (LockException e)
{
return Response.status(HTTPStatus.LOCKED).entity(e.getMessage()).build();
}
catch (RepositoryException e)
{
log.error(e.getMessage(), e);
return Response.serverError().entity(e.getMessage()).build();
}
}
/**
* Webdav COPY method implementation for the different workspaces.
*
* @param destSession destination session
* @param sourceWorkspace source workspace name
* @param sourcePath source file path
* @param destPath destination file path
* @return the instance of javax.ws.rs.core.Response
*/
public Response copy(Session destSession, String sourceWorkspace, String sourcePath, String destPath)
{
try
{
Workspace destWorkspace = destSession.getWorkspace();
destWorkspace.copy(sourceWorkspace, sourcePath, destPath);
// If the source resource was successfully moved
// to a pre-existing destination resource.
if (itemExisted)
{
return Response.noContent().build();
}
// If the source resource was successfully moved,
// and a new resource was created at the destination.
else
{
if (uriBuilder != null)
{
return Response.created(uriBuilder.path(destWorkspace.getName()).path(destPath).build()).build();
}
// to save compatibility if uriBuilder is not provided
return Response.status(HTTPStatus.CREATED).build();
}
}
catch (ItemExistsException e)
{
return Response.status(HTTPStatus.METHOD_NOT_ALLOWED).entity(e.getMessage()).build();
}
catch (PathNotFoundException e)
{
return Response.status(HTTPStatus.CONFLICT).entity(e.getMessage()).build();
}
catch (AccessDeniedException e)
{
return Response.status(HTTPStatus.FORBIDDEN).entity(e.getMessage()).build();
}
catch (LockException e)
{
return Response.status(HTTPStatus.LOCKED).entity(e.getMessage()).build();
}
catch (RepositoryException e)
{
return Response.serverError().entity(e.getMessage()).build();
}
}
}