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package tim.prune.function.filesleuth;
import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitOption;
import java.nio.file.Files;
import java.nio.file.Path;
import tim.prune.function.filesleuth.data.FileTypeBlacklist;
import tim.prune.function.filesleuth.data.TrackFileList;
/**
* Responsible for searching the file tree and building up a TrackFileList
*/
public class TrackFileFinder
{
private final TrackFileList _tracks;
private final File _startDir;
private final boolean _subdirectories;
public TrackFileFinder(TrackFileList inList, File inStartDir, boolean inSubdirectories)
{
_tracks = inList;
_startDir = inStartDir;
_subdirectories = inSubdirectories;
}
public void begin() {
new Thread(this::run).start();
}
/** Perform recursive file search in separate thread */
private void run()
{
final int depth = _subdirectories ? Integer.MAX_VALUE : 1;
try {
Files.walk(Path.of(_startDir.getAbsolutePath()), depth, FileVisitOption.FOLLOW_LINKS)
.filter(Files::isRegularFile)
.filter(FileTypeBlacklist::isAllowed)
.forEach(_tracks::foundFile);
}
catch (IOException | java.io.UncheckedIOException ioe) {
System.err.println("Error: " + ioe.getMessage());
}
_tracks.setListComplete();
}
}
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