import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipFile {
public static boolean zip(File directory) {
boolean result = false;
byte[] buffer = new byte[8192];
try {
LinkedList<String> fileList = getAllFiles(directory);
String outFilename = "C:/Users/54321/Desktop/outfile.zip";
FileOutputStream fos = new FileOutputStream(outFilename);
ZipOutputStream zos = new ZipOutputStream(fos);
for (String fileName : fileList) {
FileInputStream fis = new FileInputStream(fileName);
zos.putNextEntry(new ZipEntry(fileName));
int length;
while ((length = fis.read(buffer)) > 0) {
zos.write(buffer, 0, length);
}
zos.closeEntry();
fis.close();
}
zos.close();
fos.close();
result = true;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return result;
}
/**
* Methode legt alle Datei-Pfade in einer LinkedList ab - mit allen Unterordnern
* @param files
* @return
*/
private static LinkedList<String> getAllFiles(File directory) {
File[] files = directory.listFiles();
LinkedList<String> allFiles = new LinkedList<String>();
for (File file : files) {
if (file.isDirectory()) {
LinkedList<String> moreFiles = getAllFiles(file);
Iterator<String> iterMoreFiles = moreFiles.iterator();
while(iterMoreFiles.hasNext()) {
allFiles.add(iterMoreFiles.next());
}
} else {
allFiles.add(file.getAbsolutePath());
}
}
return allFiles;
}
}
