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Avoid endless loops when loading paths from text files

This commit is contained in:
Reinhard Pointner 2016-03-24 08:58:20 +00:00
parent 0304a12b76
commit 7843cab138
1 changed files with 33 additions and 33 deletions
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66
source/net/filebot/ui/rename/FilesListTransferablePolicy.java
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@ -1,16 +1,17 @@
package net.filebot.ui.rename;
import static java.nio.charset.StandardCharsets.*;
import static java.util.stream.Collectors.*;
import static net.filebot.Logging.*;
import static net.filebot.MediaTypes.*;
import static net.filebot.util.FileUtilities.*;
import java.awt.datatransfer.Transferable;
import java.io.File;
import java.util.ArrayList;
import java.nio.file.Files;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
import java.util.logging.Level;
@ -49,49 +50,48 @@ class FilesListTransferablePolicy extends BackgroundFileTransferablePolicy<File>
@Override
protected void load(List<File> files, TransferAction action) {
load(files, action != TransferAction.LINK);
Set<File> fileset = new LinkedHashSet<File>();
// load files recursively by default
load(files, action != TransferAction.LINK, fileset);
publish(FastFile.create(fileset));
}
protected void load(List<File> files, boolean recursive) {
Set<File> entries = new LinkedHashSet<File>();
LinkedList<File> queue = new LinkedList<File>(files);
while (queue.size() > 0) {
File f = queue.removeFirst();
if (f.isHidden())
private void load(List<File> files, boolean recursive, Collection<File> sink) {
for (File f : files) {
// ignore hidden files
if (f.isHidden()) {
continue;
}
// load file paths from text files
if (recursive && LIST_FILES.accept(f)) {
// don't use new Scanner(File) because of BUG 6368019 (http://bugs.sun.com/view_bug.do?bug_id=6368019)
try (Scanner scanner = new Scanner(createTextReader(f))) {
List<File> paths = new ArrayList<File>();
while (scanner.hasNextLine()) {
String line = scanner.nextLine().trim();
if (line.length() > 0) {
File path = new File(line);
if (path.isAbsolute() && path.exists()) {
paths.add(path);
}
}
}
try {
List<File> list = Files.lines(f.toPath(), UTF_8).map(File::new).filter(it -> {
return it.isAbsolute() && it.exists();
}).collect(toList());
if (paths.isEmpty()) {
entries.add(f); // treat as simple text file
if (list.isEmpty()) {
sink.add(f); // treat as simple text file
} else {
queue.addAll(0, paths); // add paths from text file
load(list, false, sink); // add paths from text file
}
} catch (Exception e) {
debug.log(Level.WARNING, e.getMessage(), e);
}
} else if (!recursive || f.isFile() || MediaDetection.isDiskFolder(f)) {
entries.add(f);
} else if (f.isDirectory()) {
queue.addAll(0, sortByUniquePath(getChildren(f))); // FORCE NATURAL FILE ORDER
}
}
publish(FastFile.create(entries));
// load normal files
else if (!recursive || f.isFile() || MediaDetection.isDiskFolder(f)) {
sink.add(f);
}
// load folders recursively
else if (f.isDirectory()) {
load(sortByUniquePath(getChildren(f)), true, sink); // FORCE NATURAL FILE ORDER
}
}
}
@Override