/*
|
neon-fm - File management extensions to Neon
|
Copyright (C) 2024 Ulrich Hilger
|
|
This program is free software: you can redistribute it and/or modify
|
it under the terms of the GNU Affero General Public License as
|
published by the Free Software Foundation, either version 3 of the
|
License, or (at your option) any later version.
|
|
This program 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 Affero General Public License for more details.
|
|
You should have received a copy of the GNU Affero General Public License
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
*/
|
package de.uhilger.fm;
|
|
import java.io.File;
|
import java.io.IOException;
|
import java.nio.file.FileVisitResult;
|
import java.nio.file.FileVisitor;
|
import java.nio.file.Files;
|
import java.nio.file.Path;
|
import java.nio.file.attribute.BasicFileAttributes;
|
|
/**
|
* Ein FileVisitor zum Verschieben oder Kopieren ganzer Ordnerstrukturen mit
|
* Hilfe der Methode Files.walkFileTree von java.nio.
|
*
|
* @author Ulrich Hilger
|
* @version 1, 14. Mai 2021
|
*/
|
public class OrdnerBearbeiter extends FileHelper implements FileVisitor {
|
|
private Path targetDir;
|
private int operation;
|
|
public void setTargetDir(Path targetDir) {
|
this.targetDir = targetDir;
|
//logger.fine("targetDir: " + targetDir.toString());
|
}
|
|
/**
|
* OP_COPY oder OP_MOVE
|
*
|
* @param op
|
*/
|
public void setOperation(int op) {
|
this.operation = op;
|
}
|
|
@Override
|
public FileVisitResult preVisitDirectory(Object dir, BasicFileAttributes attrs) throws IOException {
|
if (operation != Const.OP_DELETE) {
|
if (dir instanceof Path) {
|
Path sourceDir = (Path) dir;
|
File destFile = targetDir.resolve(sourceDir.getFileName()).toFile();
|
//logger.fine("sourceDir: " + sourceDir + ", destFile: " + destFile);
|
if (destFile.exists()) {
|
File newDir = getNewFileName(destFile);
|
destFile.renameTo(newDir);
|
}
|
destFile.mkdir();
|
this.targetDir = destFile.toPath();
|
//logger.fine("targetDir now: " + targetDir.toString());
|
}
|
}
|
return FileVisitResult.CONTINUE;
|
}
|
|
@Override
|
public FileVisitResult visitFile(Object file, BasicFileAttributes attrs) throws IOException {
|
if(operation != Const.OP_DELETE) {
|
if (file instanceof Path) {
|
Path source = (Path) file;
|
File destFile = targetDir.resolve(source.getFileName()).toFile();
|
if (destFile.exists()) {
|
destFile = getNewFileName(destFile);
|
}
|
if (operation == Const.OP_MOVE) {
|
//logger.fine("move source: " + source.toString() + ", destFile: " + destFile.getAbsolutePath());
|
Files.move(source, destFile.toPath());
|
} else if (operation == Const.OP_COPY) {
|
//logger.fine("copy source: " + source.toString() + ", destFile: " + destFile.getAbsolutePath());
|
Files.copy(source, destFile.toPath());
|
}
|
}
|
} else {
|
Files.delete((Path) file);
|
}
|
return FileVisitResult.CONTINUE;
|
}
|
|
@Override
|
public FileVisitResult visitFileFailed(Object file, IOException exc) throws IOException {
|
return FileVisitResult.CONTINUE;
|
}
|
|
@Override
|
public FileVisitResult postVisitDirectory(Object dir, IOException exc) throws IOException {
|
if (operation != Const.OP_DELETE) {
|
if (dir instanceof Path) {
|
Path finishedDir = (Path) dir;
|
targetDir = targetDir.getParent();
|
if(operation == Const.OP_MOVE) {
|
//logger.fine("delete " + finishedDir.toString());
|
Files.delete(finishedDir);
|
}
|
}
|
//logger.fine("targetDir now: " + targetDir.toString());
|
} else {
|
Files.delete((Path) dir);
|
}
|
return FileVisitResult.CONTINUE;
|
}
|
|
}
|