122 lines
4.2 KiB
Java
122 lines
4.2 KiB
Java
package org.dclermonte.siba.model;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.time.LocalDateTime;
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import java.util.LinkedList;
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import java.util.List;
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import org.apache.commons.compress.archivers.ArchiveException;
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import org.apache.commons.compress.archivers.ArchiveOutputStream;
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import org.apache.commons.compress.archivers.ArchiveStreamFactory;
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import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
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import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
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import org.apache.commons.compress.utils.IOUtils;
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import org.dclermonte.siba.gui.BackupPanel;
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public class SibaManager
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{
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public static File backup(File toto,String destination) throws ArchiveException, IOException{
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String outputFileNameWithoutExtension = toto.getName()+"-"+ LocalDateTime.now();
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String outputFileName = outputFileNameWithoutExtension + ".tgz";
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File output = new File(destination+"/"+outputFileName);
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final OutputStream out = new FileOutputStream(destination+"/"+outputFileName);
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ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream(ArchiveStreamFactory.TAR, out);
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directoryToSave(toto,os);
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os.close();
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md5(output,destination+"/"+outputFileNameWithoutExtension+".md5");
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return output;
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}
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public static void directoryToSave(File directory,ArchiveOutputStream outputStream) throws IOException{
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for(File file:directory.listFiles()){
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if (file.isDirectory()){
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directoryToSave(file,outputStream);
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}else{
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outputStream.putArchiveEntry(new TarArchiveEntry(file));
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IOUtils.copy(new FileInputStream(file), outputStream);
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outputStream.closeArchiveEntry();
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}
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}
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}
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public static File md5(File directoryToSave,String destination) throws IOException{
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File saved = new File(destination);
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try
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{ byte[] bytedirectoryToSave = directoryToSave.toString().getBytes() ;
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byte[] hash = null;
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MessageDigest messageDigest = MessageDigest.getInstance("MD5");
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hash = messageDigest.digest(bytedirectoryToSave);
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StringBuilder hashString = new StringBuilder();
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for (int index = 0; index < hash.length; index++)
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{
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String hex = Integer.toHexString(hash[index]);
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if (hex.length() == 1)
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{
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hashString.append('0');
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hashString.append(hex.charAt(hex.length() - 1));
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}
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else
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hashString.append(hex.substring(hex.length() - 2));
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}
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FileWriter fileWriter = new FileWriter(saved);
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fileWriter.write(hashString.toString());
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fileWriter.close();
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}
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catch (NoSuchAlgorithmException e)
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{
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return saved;
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}
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public static void extract(File directoryToUntar, File destination) throws IOException, ArchiveException{
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File file = destination;
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final List<File> untaredFiles = new LinkedList<File>();
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InputStream inputStream;
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try
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{
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inputStream = new FileInputStream(directoryToUntar);
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final TarArchiveInputStream debInputStream = (TarArchiveInputStream) new ArchiveStreamFactory().createArchiveInputStream("tar", inputStream);
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TarArchiveEntry entry = null;
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while ((entry = (TarArchiveEntry)debInputStream.getNextEntry()) != null) {
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final File outputFile = new File(file, entry.getName());
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if (entry.isDirectory()) {
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if (!outputFile.exists()) {
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if (!outputFile.mkdirs()) {
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throw new IllegalStateException(String.format("Couldn't create directory %s.", outputFile.getAbsolutePath()));
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}
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}
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} else {
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final OutputStream outputFileStream = new FileOutputStream(outputFile);
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IOUtils.copy(debInputStream, outputFileStream);
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outputFileStream.close();
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}
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untaredFiles.add(outputFile);
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}
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debInputStream.close(); }
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catch (FileNotFoundException e)
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{
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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