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* fix dnd on mac (and possibly linux)
This commit is contained in:
Reinhard Pointner
parent
d982c0a697
commit
c2bfedd978
@ -19,9 +19,12 @@ public abstract class FileTransferablePolicy extends TransferablePolicy {
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try {
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List<File> files = getFilesFromTransferable(tr);
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if (!containsOnly(files, TEMPORARY)) {
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return accept(getFilesFromTransferable(tr));
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// ignore temporary files (may not work on all platforms since the DnD data may not be accessible during the drag)
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if (files != null && files.size() > 0 && containsOnly(files, TEMPORARY)) {
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return false;
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}
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return accept(files);
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} catch (UnsupportedFlavorException e) {
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// no file list flavor
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}
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@ -29,7 +32,7 @@ public abstract class FileTransferablePolicy extends TransferablePolicy {
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return false;
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}
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@Override
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public void handleTransferable(Transferable tr, TransferAction action) throws Exception {
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List<File> files = getFilesFromTransferable(tr);
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@ -41,16 +44,16 @@ public abstract class FileTransferablePolicy extends TransferablePolicy {
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load(files);
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}
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protected abstract boolean accept(List<File> files);
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protected abstract void load(List<File> files) throws IOException;
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protected abstract void clear();
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public String getFileFilterDescription() {
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return null;
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}
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@ -57,19 +57,19 @@ public final class FileUtilities {
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return destination;
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}
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private static void renameFileNIO2(File source, File destination) throws IOException {
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Files.move(source.toPath(), destination.toPath());
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}
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private static void renameFileIO(File source, File destination) throws IOException {
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if (!source.renameTo(destination)) {
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throw new IOException("Failed to rename file: " + source.getName());
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}
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}
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public static byte[] readFile(File source) throws IOException {
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InputStream in = new FileInputStream(source);
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@ -89,7 +89,7 @@ public final class FileUtilities {
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}
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}
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public static String readAll(Reader source) throws IOException {
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StringBuilder text = new StringBuilder();
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char[] buffer = new char[2048];
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@ -102,7 +102,7 @@ public final class FileUtilities {
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return text.toString();
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}
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public static void writeFile(ByteBuffer data, File destination) throws IOException {
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FileChannel fileChannel = new FileOutputStream(destination).getChannel();
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@ -113,7 +113,7 @@ public final class FileUtilities {
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}
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}
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public static Reader createTextReader(File file) throws IOException {
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CharsetDetector detector = new CharsetDetector();
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detector.setDeclaredEncoding("UTF-8"); // small boost for UTF-8 as default encoding
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@ -127,7 +127,7 @@ public final class FileUtilities {
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return new InputStreamReader(new FileInputStream(file), "UTF-8");
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}
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public static String getText(ByteBuffer data) throws IOException {
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CharsetDetector detector = new CharsetDetector();
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detector.setDeclaredEncoding("UTF-8"); // small boost for UTF-8 as default encoding
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@ -146,7 +146,7 @@ public final class FileUtilities {
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return Charset.forName("UTF-8").decode(data).toString();
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}
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/**
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* Pattern used for matching file extensions.
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*
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@ -154,7 +154,7 @@ public final class FileUtilities {
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*/
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public static final Pattern EXTENSION = Pattern.compile("(?<=.[.])\\p{Alnum}+$");
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public static String getExtension(File file) {
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if (file.isDirectory())
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return null;
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@ -162,7 +162,7 @@ public final class FileUtilities {
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return getExtension(file.getName());
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}
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public static String getExtension(String name) {
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Matcher matcher = EXTENSION.matcher(name);
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@ -175,13 +175,13 @@ public final class FileUtilities {
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return null;
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}
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public static boolean hasExtension(File file, String... extensions) {
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// avoid native call for speed, if possible
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return hasExtension(file.getName(), extensions) && !file.isDirectory();
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}
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public static boolean hasExtension(String filename, String... extensions) {
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String extension = getExtension(filename);
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@ -193,7 +193,7 @@ public final class FileUtilities {
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return false;
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}
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public static String getNameWithoutExtension(String name) {
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Matcher matcher = EXTENSION.matcher(name);
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@ -205,7 +205,7 @@ public final class FileUtilities {
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return name;
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}
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public static String getName(File file) {
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if (file.isDirectory())
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return getFolderName(file);
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@ -213,7 +213,7 @@ public final class FileUtilities {
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return getNameWithoutExtension(file.getName());
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}
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public static String getFolderName(File file) {
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String name = file.getName();
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@ -224,24 +224,24 @@ public final class FileUtilities {
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return file.toString();
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}
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public static boolean isDerived(File derivate, File prime) {
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return isDerived(getName(derivate), prime);
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}
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public static boolean isDerived(String derivate, File prime) {
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String base = getName(prime).trim().toLowerCase();
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derivate = derivate.trim().toLowerCase();
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return derivate.startsWith(base);
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}
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public static boolean isDerivedByExtension(File derivate, File prime) {
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return isDerivedByExtension(getName(derivate), prime);
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}
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public static boolean isDerivedByExtension(String derivate, File prime) {
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String base = getName(prime).trim().toLowerCase();
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derivate = derivate.trim().toLowerCase();
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@ -259,7 +259,7 @@ public final class FileUtilities {
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return false;
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}
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public static boolean containsOnly(Iterable<File> files, FileFilter filter) {
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for (File file : files) {
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if (!filter.accept(file))
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@ -269,7 +269,7 @@ public final class FileUtilities {
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return true;
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}
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public static List<File> filter(Iterable<File> files, FileFilter... filters) {
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List<File> accepted = new ArrayList<File>();
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@ -285,7 +285,7 @@ public final class FileUtilities {
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return accepted;
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}
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public static List<File> flatten(Iterable<File> roots, int maxDepth, boolean listHiddenFiles) {
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List<File> files = new ArrayList<File>();
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@ -301,7 +301,7 @@ public final class FileUtilities {
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return files;
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}
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public static List<File> listPath(File file) {
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LinkedList<File> nodes = new LinkedList<File>();
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@ -312,7 +312,7 @@ public final class FileUtilities {
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return nodes;
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}
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public static List<File> listFiles(Iterable<File> folders, int maxDepth, boolean listHiddenFiles) {
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List<File> files = new ArrayList<File>();
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@ -324,7 +324,7 @@ public final class FileUtilities {
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return files;
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}
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private static void listFiles(File folder, int depth, List<File> files, int maxDepth, boolean listHiddenFiles) {
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if (depth > maxDepth)
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return;
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@ -341,7 +341,7 @@ public final class FileUtilities {
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}
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}
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public static SortedMap<File, List<File>> mapByFolder(Iterable<File> files) {
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SortedMap<File, List<File>> map = new TreeMap<File, List<File>>();
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@ -363,7 +363,7 @@ public final class FileUtilities {
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return map;
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}
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public static Map<String, List<File>> mapByExtension(Iterable<File> files) {
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Map<String, List<File>> map = new HashMap<String, List<File>>();
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@ -385,13 +385,13 @@ public final class FileUtilities {
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return map;
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}
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/**
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* Invalid file name characters: \, /, :, *, ?, ", <, >, |, \r and \n
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*/
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public static final Pattern ILLEGAL_CHARACTERS = Pattern.compile("[\\\\/:*?\"<>|\\r\\n]");
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/**
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* Strip file name of invalid characters
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*
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@ -403,13 +403,13 @@ public final class FileUtilities {
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return ILLEGAL_CHARACTERS.matcher(filename).replaceAll("");
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}
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public static boolean isInvalidFileName(CharSequence filename) {
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// check if file name contains any illegal characters
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return ILLEGAL_CHARACTERS.matcher(filename).find();
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}
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public static File validateFileName(File file) {
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// windows drives (e.g. c:, d:, etc.) are never invalid because name will be an empty string
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if (!isInvalidFileName(file.getName()))
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@ -419,7 +419,7 @@ public final class FileUtilities {
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return new File(file.getParentFile(), validateFileName(file.getName()));
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}
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public static File validateFilePath(File path) {
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Iterator<File> nodes = listPath(path).iterator();
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@ -434,7 +434,7 @@ public final class FileUtilities {
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return validatedPath;
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}
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public static boolean isInvalidFilePath(File path) {
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// check if file name contains any illegal characters
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for (File node = path; node != null; node = node.getParentFile()) {
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@ -445,22 +445,22 @@ public final class FileUtilities {
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return false;
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}
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public static String normalizePathSeparators(String path) {
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return path.replace('\\', '/');
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}
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public static String replacePathSeparators(CharSequence path) {
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return Pattern.compile("\\s*[\\\\/]+\\s*").matcher(path).replaceAll(" ");
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}
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public static final long KILO = 1024;
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public static final long MEGA = KILO * 1024;
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public static final long GIGA = MEGA * 1024;
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public static String formatSize(long size) {
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if (size >= MEGA)
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return String.format("%,d MB", size / MEGA);
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@ -470,7 +470,7 @@ public final class FileUtilities {
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return String.format("%,d Byte", size);
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}
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public static final FileFilter FOLDERS = new FileFilter() {
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@Override
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@ -489,42 +489,42 @@ public final class FileUtilities {
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public static final FileFilter TEMPORARY = new FileFilter() {
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private final File TEMP_DIR = new File(System.getProperty("java.io.tmpdir"));
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private final String tmpdir = System.getProperty("java.io.tmpdir");
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@Override
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public boolean accept(File file) {
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return file.getAbsolutePath().startsWith(TEMP_DIR.getAbsolutePath());
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return file.getAbsolutePath().startsWith(tmpdir);
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}
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};
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public static class ExtensionFileFilter implements FileFilter {
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private final String[] extensions;
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public ExtensionFileFilter(String... extensions) {
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this.extensions = extensions;
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}
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public ExtensionFileFilter(Collection<String> extensions) {
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this.extensions = extensions.toArray(new String[0]);
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}
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@Override
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public boolean accept(File file) {
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return hasExtension(file, extensions);
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}
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public boolean accept(String name) {
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return hasExtension(name, extensions);
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}
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public boolean acceptExtension(String extension) {
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for (String other : extensions) {
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if (other.equalsIgnoreCase(extension))
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@ -534,18 +534,18 @@ public final class FileUtilities {
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return false;
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}
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public String extension() {
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return extensions[0];
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}
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public String[] extensions() {
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return extensions.clone();
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}
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}
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/**
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* Dummy constructor to prevent instantiation.
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*/
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