mirror of
https://github.com/mitb-archive/filebot
synced 2024-11-14 05:15:03 -05:00
675 lines
16 KiB
Java
675 lines
16 KiB
Java
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package net.sourceforge.tuned;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileFilter;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.io.StringWriter;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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import java.nio.charset.Charset;
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import java.nio.file.StandardCopyOption;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.SortedMap;
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import java.util.TreeMap;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import javax.xml.transform.OutputKeys;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMSource;
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import javax.xml.transform.stream.StreamResult;
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import org.w3c.dom.Document;
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import com.ibm.icu.text.CharsetDetector;
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import com.ibm.icu.text.CharsetMatch;
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public final class FileUtilities {
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public static File moveRename(File source, File destination) throws IOException {
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// resolve destination
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destination = resolveDestination(source, destination, true);
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if (source.isDirectory()) {
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// move folder
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org.apache.commons.io.FileUtils.moveDirectory(source, destination);
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} else {
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// move file
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try {
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java.nio.file.Files.move(source.toPath(), destination.toPath(), StandardCopyOption.REPLACE_EXISTING);
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} catch (LinkageError e) {
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org.apache.commons.io.FileUtils.moveFile(source, destination); // use "copy and delete" as fallback if standard rename fails
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}
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}
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return destination;
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}
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public static File copyAs(File source, File destination) throws IOException {
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// resolve destination
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destination = resolveDestination(source, destination, true);
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if (source.isDirectory()) {
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// copy folder
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org.apache.commons.io.FileUtils.copyDirectory(source, destination);
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} else {
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// copy file
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try {
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java.nio.file.Files.copy(source.toPath(), destination.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES);
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} catch (LinkageError e) {
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org.apache.commons.io.FileUtils.copyFile(source, destination);
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}
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}
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return destination;
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}
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public static File resolveDestination(File source, File destination, boolean mkdirs) throws IOException {
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// resolve destination
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if (!destination.isAbsolute()) {
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// same folder, different name
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destination = new File(source.getParentFile(), destination.getPath());
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}
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// make sure we that we can create the destination folder structure
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File destinationFolder = destination.getParentFile();
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// create parent folder if necessary
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if (mkdirs && !destinationFolder.isDirectory() && !destinationFolder.mkdirs()) {
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throw new IOException("Failed to create folder: " + destinationFolder);
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}
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return destination;
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}
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public static boolean delete(File file) {
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// delete files or files
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return org.apache.commons.io.FileUtils.deleteQuietly(file);
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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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try {
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long size = source.length();
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if (size < 0 || size > Integer.MAX_VALUE) {
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throw new IllegalArgumentException("Unable to read file: " + source);
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}
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byte[] data = new byte[(int) size];
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int position = 0;
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int read = 0;
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while (position < data.length && (read = in.read(data, position, data.length - position)) >= 0) {
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position += read;
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}
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return data;
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} finally {
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in.close();
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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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int read = 0;
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while ((read = source.read(buffer)) >= 0) {
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text.append(buffer, 0, read);
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}
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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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try {
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fileChannel.write(data);
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} finally {
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fileChannel.close();
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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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detector.setText(new BufferedInputStream(new FileInputStream(file)));
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CharsetMatch charset = detector.detect();
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if (charset != null)
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return charset.getReader();
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// assume UTF-8 by default
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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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detector.setText(new ByteBufferInputStream(data));
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CharsetMatch charset = detector.detect();
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if (charset != null) {
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try {
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return charset.getString();
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} catch (RuntimeException e) {
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throw new IOException("Failed to read text", e);
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}
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}
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// assume UTF-8 by default
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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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* e.g. "file.txt" -> match "txt", ".hidden" -> no match
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*/
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public static final Pattern EXTENSION = Pattern.compile("(?<=.[.])\\p{Alnum}+$");
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public static final String UNC_PREFIX = "\\\\";
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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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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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if (matcher.find()) {
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// extension without leading '.'
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return matcher.group();
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}
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// no extension
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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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for (String value : extensions) {
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if ((extension == null && value == null) || (extension != null && extension.equalsIgnoreCase(value)))
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return true;
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}
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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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if (matcher.find()) {
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return name.substring(0, matcher.start() - 1);
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}
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// no extension, return given name
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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.getName().isEmpty() || UNC_PREFIX.equals(file.getParent()))
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return getFolderName(file);
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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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if (UNC_PREFIX.equals(file.getParent()))
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return file.toString();
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if (file.getName().length() > 0)
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return file.getName();
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// file might be a drive (only has a path, but no name)
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return replacePathSeparators(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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if (derivate.equals(base))
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return true;
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while (derivate.length() > base.length() && getExtension(derivate) != null) {
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derivate = getNameWithoutExtension(derivate);
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if (derivate.equals(base))
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return true;
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}
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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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return false;
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}
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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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for (File file : files) {
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for (FileFilter filter : filters) {
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if (filter.accept(file)) {
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accepted.add(file);
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break;
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}
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}
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}
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return accepted;
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}
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public static FileFilter not(FileFilter filter) {
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return new NotFileFilter(filter);
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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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// unfold/flatten file tree
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for (File root : roots) {
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if (root.isDirectory()) {
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listFiles(root, 0, files, maxDepth, listHiddenFiles);
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} else {
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files.add(root);
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}
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}
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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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return listPathTail(file, Integer.MAX_VALUE);
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}
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public static List<File> listPathTail(File file, int tailSize) {
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LinkedList<File> nodes = new LinkedList<File>();
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File node = file;
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for (int i = 0; node != null && i < tailSize && !UNC_PREFIX.equals(node.toString()); i++, node = node.getParentFile()) {
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nodes.addFirst(node);
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}
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return nodes;
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}
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public static File getRelativePathTail(File file, int tailSize) {
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File f = null;
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for (File it : listPathTail(file, tailSize)) {
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if (it.getParentFile() != null) {
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f = new File(f, it.getName());
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}
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}
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return f;
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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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// collect files from directory tree
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for (File folder : folders) {
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listFiles(folder, 0, files, maxDepth, listHiddenFiles);
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}
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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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for (File file : folder.listFiles()) {
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if (!listHiddenFiles && file.isHidden()) // ignore hidden files
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continue;
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if (file.isDirectory()) {
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listFiles(file, depth + 1, files, maxDepth, listHiddenFiles);
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} else {
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files.add(file);
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}
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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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for (File file : files) {
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File key = file.getParentFile();
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if (key == null) {
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throw new IllegalArgumentException("Parent is null: " + file);
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}
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List<File> valueList = map.get(key);
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if (valueList == null) {
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valueList = new ArrayList<File>();
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map.put(key, valueList);
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}
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valueList.add(file);
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}
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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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for (File file : files) {
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String key = getExtension(file);
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if (key != null) {
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key = key.toLowerCase();
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}
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List<File> valueList = map.get(key);
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if (valueList == null) {
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valueList = new ArrayList<File>();
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map.put(key, valueList);
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}
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valueList.add(file);
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}
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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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* @param filename original filename
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* @return valid file name stripped of invalid characters
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*/
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public static String validateFileName(CharSequence filename) {
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// strip invalid characters from file name
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return ILLEGAL_CHARACTERS.matcher(filename).replaceAll("").trim();
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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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return file;
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// validate file name only
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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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// initialize with root node, keep original root object if possible (so we don't loose the drive on windows)
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File validatedPath = validateFileName(nodes.next());
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// validate the rest of the path
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while (nodes.hasNext()) {
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validatedPath = new File(validatedPath, validateFileName(nodes.next().getName()));
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}
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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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if (isInvalidFileName(node.getName()))
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return true;
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}
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return false;
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}
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public static String normalizePathSeparators(String path) {
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// special handling for UNC paths
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if (path.startsWith(UNC_PREFIX) && path.length() > 2) {
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return UNC_PREFIX + path.substring(2).replace('\\', '/');
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}
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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 replacePathSeparators(path, " ");
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}
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public static String replacePathSeparators(CharSequence path, String replacement) {
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return Pattern.compile("\\s*[\\\\/]+\\s*").matcher(path).replaceAll(replacement);
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}
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public static String getXmlString(Document dom) throws TransformerException {
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Transformer tr = TransformerFactory.newInstance().newTransformer();
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tr.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
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tr.setOutputProperty(OutputKeys.INDENT, "yes");
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// create string from dom
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StringWriter buffer = new StringWriter();
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tr.transform(new DOMSource(dom), new StreamResult(buffer));
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return buffer.toString();
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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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else if (size >= KILO)
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return String.format("%,d KB", size / KILO);
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else
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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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public boolean accept(File file) {
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return file.isDirectory();
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}
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};
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public static final FileFilter FILES = new FileFilter() {
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@Override
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public boolean accept(File file) {
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return file.isFile();
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}
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};
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public static final FileFilter TEMPORARY = new FileFilter() {
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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(tmpdir);
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}
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};
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public static class ParentFilter implements FileFilter {
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private final File folder;
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public ParentFilter(File folder) {
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this.folder = folder;
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}
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@Override
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public boolean accept(File file) {
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return listPath(file).contains(folder);
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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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return true;
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}
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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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public static class NotFileFilter implements FileFilter {
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public FileFilter filter;
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public NotFileFilter(FileFilter filter) {
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this.filter = filter;
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}
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@Override
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public boolean accept(File file) {
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return !filter.accept(file);
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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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private FileUtilities() {
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throw new UnsupportedOperationException();
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}
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}
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