/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2012 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* muCommander 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.job;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.mucommander.commons.file.AbstractFile;
import com.mucommander.commons.file.PermissionAccesses;
import com.mucommander.commons.file.PermissionTypes;
import com.mucommander.commons.file.util.FileSet;
import com.mucommander.desktop.DesktopManager;
import com.mucommander.ui.dialog.file.ProgressDialog;
import com.mucommander.ui.main.MainFrame;
import com.mucommander.ui.main.quicklist.RecentExecutedFilesQL;
/**
* This job copies a file or a set of files to a temporary folder, makes the temporary file(s) read-only and
* executes each of them with native file associations. The temporary files are deleted when the JVM terminates.
*
* <p>It is important to understand that when this job operates on a set of files, a process is started for each file
* to execute, so this operation should require confirmation by the user before being attempted.</p>
*
* @author Maxence Bernard
*/
public class TempExecJob extends TempCopyJob {
private static final Logger LOGGER = LoggerFactory.getLogger(TempExecJob.class);
/** Files to execute */
private FileSet filesToExecute;
/**
* Creates a new <code>TempExecJob</code> that operates on a single file.
*
* @param progressDialog the ProgressDialog that monitors this job
* @param mainFrame the MainFrame this job is attached to
* @param fileToExecute the file to copy to a temporary location and execute
*/
public TempExecJob(ProgressDialog progressDialog, MainFrame mainFrame, AbstractFile fileToExecute) {
this(progressDialog, mainFrame, new FileSet(fileToExecute.getParent(), fileToExecute));
}
/**
* Creates a new <code>TempExecJob</code> that operates on a set of files. Only a single command get executed, operating on
* all files.
*
* @param progressDialog the ProgressDialog that monitors this job
* @param mainFrame the MainFrame this job is attached to
* @param filesToExecute the set of files to copy to a temporary location and execute
*/
public TempExecJob(ProgressDialog progressDialog, MainFrame mainFrame, FileSet filesToExecute) {
super(progressDialog, mainFrame, filesToExecute);
this.filesToExecute = filesToExecute;
}
////////////////////////
// Overridden methods //
////////////////////////
@Override
protected boolean processFile(AbstractFile file, Object recurseParams) {
if(!super.processFile(file, recurseParams))
return false;
// TODO: temporary files seem to remain after the JVM quits under Mac OS X, even if the files permissions are unchanged
// Execute the file, only if it is one of the top-level files
if(filesToExecute.indexOf(file)!=-1) {
if(!currentDestFile.isDirectory()) { // Do not change directories' permissions
try {
// Make the temporary file read only
if(currentDestFile.getChangeablePermissions().getBitValue(PermissionAccesses.USER_ACCESS, PermissionTypes.WRITE_PERMISSION))
currentDestFile.changePermission(PermissionAccesses.USER_ACCESS, PermissionTypes.WRITE_PERMISSION, false);
}
catch(IOException e) {
LOGGER.debug("Caught exeception while changing permissions of "+currentDestFile, e);
return false;
}
}
// Try to open the file.
try {
DesktopManager.open(currentDestFile);
RecentExecutedFilesQL.addFile(file);
}
catch(Exception e) {
LOGGER.debug("Caught exeception while opening "+currentDestFile, e);
return false;
}
}
return true;
}
}