260 lines
7.1 KiB
Java
260 lines
7.1 KiB
Java
/*
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* Copyright (C) 2010-2014 Laurent CLOUET
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* Author Laurent CLOUET <laurent.clouet@nopnop.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; version 2
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* of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package com.sheepit.client;
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import com.sheepit.client.Error.ServerCode;
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import net.lingala.zip4j.ZipFile;
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import net.lingala.zip4j.exception.ZipException;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.NodeList;
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import javax.xml.bind.DatatypeConverter;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.net.URLConnection;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.security.DigestInputStream;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.TimeZone;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class Utils {
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public static int unzipFileIntoDirectory(String zipFileName_, String destinationDirectory, char[] password, Log log) {
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try {
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ZipFile zipFile = new ZipFile(zipFileName_);
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// unzipParameters.setIgnoreDateTimeAttributes(true);
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if (password != null && zipFile.isEncrypted()) {
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zipFile.setPassword(password);
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}
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// zipFile.extractAll(destinationDirectory, unzipParameters);
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zipFile.extractAll(destinationDirectory);
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}
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catch (ZipException e) {
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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e.printStackTrace(pw);
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log.debug("Utils::unzipFileIntoDirectory(" + zipFileName_ + "," + destinationDirectory + ") exception " + e + " stacktrace: " + sw.toString());
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return -1;
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}
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return 0;
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}
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public static String md5(String path_of_file_) {
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try {
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MessageDigest md = MessageDigest.getInstance("MD5");
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InputStream is = Files.newInputStream(Paths.get(path_of_file_));
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DigestInputStream dis = new DigestInputStream(is, md);
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byte[] buffer = new byte[8192];
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while (dis.read(buffer) > 0)
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; // process the entire file
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String data = DatatypeConverter.printHexBinary(md.digest()).toLowerCase();
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dis.close();
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is.close();
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return data;
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}
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catch (NoSuchAlgorithmException | IOException e) {
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return "";
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}
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}
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public static double lastModificationTime(File directory_) {
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double max = 0.0;
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if (directory_.isDirectory()) {
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File[] list = directory_.listFiles();
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if (list != null) {
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for (File aFile : list) {
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double max1 = lastModificationTime(aFile);
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if (max1 > max) {
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max = max1;
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}
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}
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}
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}
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else if (directory_.isFile()) {
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return directory_.lastModified();
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}
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return max;
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}
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public static ServerCode statusIsOK(Document document_, String rootname_) {
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if (document_ == null) {
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return Error.ServerCode.UNKNOWN;
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}
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NodeList ns = document_.getElementsByTagName(rootname_);
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if (ns.getLength() == 0) {
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return Error.ServerCode.ERROR_NO_ROOT;
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}
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Element a_node = (Element) ns.item(0);
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if (a_node.hasAttribute("status")) {
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return Error.ServerCode.fromInt(Integer.parseInt(a_node.getAttribute("status")));
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}
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return Error.ServerCode.UNKNOWN;
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}
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/**
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* Will recursively delete a directory
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*/
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public static void delete(File file) {
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if (file == null) {
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return;
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}
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if (file.isDirectory()) {
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String[] files = file.list();
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if (files != null) {
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if (files.length != 0) {
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for (String temp : files) {
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File fileDelete = new File(file, temp);
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delete(fileDelete);
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}
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}
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}
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}
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file.delete();
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}
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/**
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* Parse a number string to a number.
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* Input can be as "32", "10k", "100K", "100G", "1.3G", "0.4T"
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*/
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public static long parseNumber(String in) {
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in = in.trim();
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in = in.replaceAll(",", ".");
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try {
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return Long.parseLong(in);
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}
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catch (NumberFormatException e) {
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}
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final Matcher m = Pattern.compile("([\\d.,]+)\\s*(\\w)").matcher(in);
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m.find();
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int scale = 1;
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switch (m.group(2).charAt(0)) {
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case 'T':
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case 't':
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scale = 1000 * 1000 * 1000 * 1000;
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break;
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case 'G':
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case 'g':
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scale = 1000 * 1000 * 1000;
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break;
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case 'M':
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case 'm':
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scale = 1000 * 1000;
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break;
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case 'K':
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case 'k':
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scale = 1000;
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break;
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}
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return Math.round(Double.parseDouble(m.group(1)) * scale);
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}
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public static String humanDuration(Date date) {
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Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
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calendar.setTime(date);
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int hours = (calendar.get(Calendar.DAY_OF_MONTH) - 1) * 24 + calendar.get(Calendar.HOUR_OF_DAY);
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int minutes = calendar.get(Calendar.MINUTE);
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int seconds = calendar.get(Calendar.SECOND);
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String output = "";
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if (hours > 0) {
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output += hours + "h ";
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}
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if (minutes > 0) {
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output += minutes + "min ";
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}
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if (seconds > 0) {
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output += seconds + "s";
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}
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return output;
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}
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public static boolean noFreeSpaceOnDisk(String destination_, Log log) {
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try {
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File file = new File(destination_);
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for (int i = 0; i < 3; i++) { //We poll repeatedly because getUsableSpace() might just return 0 on busy disk IO
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long space = file.getUsableSpace();
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if (space > 512 * 1024) { // at least the same amount as Server.HTTPGetFile
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return false; // If we are not "full", we are done, no need for additional polling
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} else if (i < 2) {
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long time = (long) (Math.random() * (100 - 40 + 1) + 40); //Wait between 40 and 100 milliseconds
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log.debug("Utils::Not enough free disk space(" + space + ") encountered on try " + i + ", waiting " + time + "ms");
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Thread.sleep(time);
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}
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}
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return true;
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}
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catch (SecurityException | InterruptedException e) {
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}
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return false;
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}
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public static String findMimeType(String file) throws IOException {
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String mimeType = Files.probeContentType(Paths.get(file));
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if (mimeType == null) {
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InputStream stream = new BufferedInputStream(new FileInputStream(file));
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mimeType = URLConnection.guessContentTypeFromStream(stream);
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}
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if (mimeType == null) {
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mimeType = URLConnection.guessContentTypeFromName(file);
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}
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if (mimeType == null && file.endsWith(".tga")) { // fallback for TGA
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mimeType = "image/tga";
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}
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return mimeType;
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}
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public static String formatDataConsumption(long bytes) {
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float divider = 0;
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String suffix = "";
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if (bytes > 1099511627776f) { // 1TB
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divider = 1099511627776f;
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suffix = "TB";
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}
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else if (bytes > 1073741824) { // 1GB
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divider = 1073741824;
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suffix = "GB";
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}
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else { // 1MB
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divider = 1048576;
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suffix = "MB";
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}
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return String.format("%.2f%s", (bytes / divider), suffix);
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}
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}
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