/*
* Copyright (C) 2010-2014 Laurent CLOUET
* Author Laurent CLOUET <laurent.clouet@nopnop.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package com.sheepit.client;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.DigestInputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.xml.bind.DatatypeConverter;
import net.lingala.zip4j.core.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import com.sheepit.client.Error.ServerCode;
import com.sheepit.client.exception.FermeExceptionNoSpaceLeftOnDevice;
public class Utils {
public static int unzipFileIntoDirectory(String zipFileName_, String destinationDirectory, String password) throws FermeExceptionNoSpaceLeftOnDevice {
try {
ZipFile zipFile = new ZipFile(zipFileName_);
if (password != null && zipFile.isEncrypted()) {
zipFile.setPassword(password);
}
zipFile.extractAll(destinationDirectory);
}
catch (ZipException e) {
e.printStackTrace();
return -1;
}
return 0;
}
public static String md5(String path_of_file_) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
InputStream is = Files.newInputStream(Paths.get(path_of_file_));
DigestInputStream dis = new DigestInputStream(is, md);
byte[] buffer = new byte[8192];
while (dis.read(buffer) > 0)
; // process the entire file
String data = DatatypeConverter.printHexBinary(md.digest()).toLowerCase();
dis.close();
is.close();
return data;
}
catch (NoSuchAlgorithmException | IOException e) {
return "";
}
}
public static double lastModificationTime(File directory_) {
double max = 0.0;
if (directory_.isDirectory()) {
File[] list = directory_.listFiles();
if (list != null) {
for (File aFile : list) {
double max1 = lastModificationTime(aFile);
if (max1 > max) {
max = max1;
}
}
}
}
else if (directory_.isFile()) {
return directory_.lastModified();
}
return max;
}
public static ServerCode statusIsOK(Document document_, String rootname_) {
if (document_ == null) {
return Error.ServerCode.UNKNOWN;
}
NodeList ns = document_.getElementsByTagName(rootname_);
if (ns.getLength() == 0) {
return Error.ServerCode.ERROR_NO_ROOT;
}
Element a_node = (Element) ns.item(0);
if (a_node.hasAttribute("status")) {
return Error.ServerCode.fromInt(Integer.parseInt(a_node.getAttribute("status")));
}
return Error.ServerCode.UNKNOWN;
}
/**
* Will recursively delete a directory
*/
public static void delete(File file) {
if (file == null) {
return;
}
if (file.isDirectory()) {
String files[] = file.list();
if (files != null) {
if (files.length != 0) {
for (String temp : files) {
File fileDelete = new File(file, temp);
delete(fileDelete);
}
}
}
}
file.delete();
}
public static long parseNumber(String in) {
in = in.trim();
in = in.replaceAll(",", ".");
try {
return Long.parseLong(in);
}
catch (NumberFormatException e) {
}
final Matcher m = Pattern.compile("([\\d.,]+)\\s*(\\w)").matcher(in);
m.find();
int scale = 1;
switch (m.group(2).charAt(0)) {
case 'G':
scale *= 1000;
case 'g':
scale *= 1000;
case 'M':
scale *= 1000;
case 'm':
scale *= 1000;
case 'K':
break;
default:
return 0;
}
return Math.round(Double.parseDouble(m.group(1)) * scale);
}
public static String humanDuration(Date date) {
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
calendar.setTime(date);
int hours = (calendar.get(Calendar.DAY_OF_MONTH) - 1) * 24 + calendar.get(Calendar.HOUR_OF_DAY);
int minutes = calendar.get(Calendar.MINUTE);
int seconds = calendar.get(Calendar.SECOND);
String output = "";
if (hours > 0) {
output += hours + "h";
}
if (minutes > 0) {
output += minutes + "min";
}
if (seconds > 0) {
output += seconds + "s";
}
return output;
}
public static boolean noFreeSpaceOnDisk(String destination_) {
try {
File file = new File(destination_);
return (file.getUsableSpace() < 512 * 1024); // at least the same amount as Server.HTTPGetFile
}
catch (SecurityException e) {
}
return false;
}
}