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/********************************************************************************
* Copyright (c) 2008 IBM Corporation. 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
*
* Initial Contributors:
* The following IBM employees contributed to the Remote System Explorer
* component that contains this file: David McKnight.
*
* Contributors:
* David McKnight (IBM) - [209593] [api] add support for "file permissions" and "owner" properties for unix files
********************************************************************************/
package org.eclipse.rse.services.files;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
/**
* Service used to get and set the permissions of a file. The
* {@link #getCapabilities(IHostFile)} method must be implemented to tell
* clients what kinds of permission services are actually available on a
* concrete implementation.
*
* @since 3.0
*/
public interface IFilePermissionsService {
public static int FS_CAN_GET_OWNER = 1 << 0;
public static int FS_CAN_GET_GROUP = 1 << 1;
public static int FS_CAN_GET_PERMISSIONS = 1 << 2;
public static int FS_CAN_SET_OWNER = 1 << 3;
public static int FS_CAN_SET_GROUP = 1 << 4;
public static int FS_CAN_SET_PERMISSIONS = 1 << 5;
public static final int FS_CAN_GET_ALL = FS_CAN_GET_OWNER | FS_CAN_GET_GROUP | FS_CAN_GET_PERMISSIONS;
public static final int FS_CAN_SET_ALL = FS_CAN_SET_OWNER | FS_CAN_SET_GROUP | FS_CAN_SET_PERMISSIONS;
/**
* Gets the permissions for a file including the user and group owner
*
* @param file the remote file
* @param monitor the monitor for this potentially long running operation
* @return the host file permissions
* @throws SystemMessageException if an error occurs.
* Typically this would be one of those in the RemoteFileException family.
*/
public IHostFilePermissions getFilePermissions(IHostFile file, IProgressMonitor monitor) throws SystemMessageException;
/**
* Sets the permissions for a file including the user and group owner as specified in the permissions
*
* @param file the remote file
* @param permissions the new permissions for this file
* @param monitor the monitor for this potentially long running operation
* @throws SystemMessageException if an error occurs.
* Typically this would be one of those in the RemoteFileException family.
*/
public void setFilePermissions(IHostFile file, IHostFilePermissions permissions, IProgressMonitor monitor) throws SystemMessageException;
/**
* Returns the capabilities of this file permissions service for the corresponding file. If
* null is specified, this returns the general capabilities of this service.
*
* @param file the remote file
* @return the capabilities of this service against this file
*/
public int getCapabilities(IHostFile file);
}
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