/*
* 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.FileOperation;
import com.mucommander.commons.file.util.FileSet;
import com.mucommander.text.Translator;
import com.mucommander.ui.dialog.file.ProgressDialog;
import com.mucommander.ui.main.MainFrame;
/**
* @author Maxence Bernard
*/
public class ChangeFileAttributesJob extends FileJob {
private static final Logger LOGGER = LoggerFactory.getLogger(ChangeFileAttributesJob.class);
private boolean recurseOnDirectories;
private int permissions = -1;
private long date = -1;
public ChangeFileAttributesJob(ProgressDialog progressDialog, MainFrame mainFrame, FileSet files, int permissions, boolean recurseOnDirectories) {
super(progressDialog, mainFrame, files);
this.permissions = permissions;
this.recurseOnDirectories = recurseOnDirectories;
}
public ChangeFileAttributesJob(ProgressDialog progressDialog, MainFrame mainFrame, FileSet files, long date, boolean recurseOnDirectories) {
super(progressDialog, mainFrame, files);
this.date = date;
this.recurseOnDirectories = recurseOnDirectories;
}
////////////////////////////
// FileJob implementation //
////////////////////////////
@Override
protected boolean processFile(AbstractFile file, Object recurseParams) {
// Stop if interrupted
if(getState()==INTERRUPTED)
return false;
if(recurseOnDirectories && file.isDirectory()) {
do { // Loop for retries
try {
AbstractFile children[] = file.ls();
int nbChildren = children.length;
for(int i=0; i<nbChildren && getState()!=INTERRUPTED; i++) {
// Notify job that we're starting to process this file (needed for recursive calls to processFile)
nextFile(children[i]);
processFile(children[i], null);
}
break;
}
catch(IOException e) {
// Unable to open source file
int ret = showErrorDialog("", Translator.get("cannot_read_folder", file.getName()));
// Retry loops
if(ret==RETRY_ACTION)
continue;
// Cancel, skip or close dialog return false
return false;
}
}
while(true);
}
if(permissions!=-1) {
if(!file.isFileOperationSupported(FileOperation.CHANGE_PERMISSION))
return false;
try {
file.changePermissions(permissions);
return true;
}
catch(IOException e) {
return false;
}
}
// if(date!=-1)
if(!file.isFileOperationSupported(FileOperation.CHANGE_DATE))
return false;
try {
file.changeDate(date);
return true;
}
catch (IOException e) {
LOGGER.debug("failed to change the date of "+file, e);
return false;
}
}
// This job modifies the FileSet's base folder and potentially its subfolders
@Override
protected boolean hasFolderChanged(AbstractFile folder) {
return getBaseSourceFolder().isParentOf(folder);
}
}