public static boolean download(
URL url, String file, int prefix, int totalFilesize, IProgressUpdater updater) {
File fFile = new File(new File(file).getParentFile().getPath());
if (!fFile.exists()) fFile.mkdirs();
boolean downloaded = true;
BufferedInputStream in = null;
FileOutputStream out = null;
BufferedOutputStream bout = null;
try {
int count;
int totalCount = 0;
byte data[] = new byte[BUFFER];
in = new BufferedInputStream(url.openStream());
out = new FileOutputStream(file);
bout = new BufferedOutputStream(out);
while ((count = in.read(data, 0, BUFFER)) != -1) {
bout.write(data, 0, count);
totalCount += count;
if (updater != null) updater.update(prefix + totalCount, totalFilesize);
}
} catch (Exception e) {
e.printStackTrace();
Utils.logger.log(Level.SEVERE, "Download error!");
downloaded = false;
} finally {
try {
close(in);
close(bout);
close(out);
} catch (Exception e) {
e.printStackTrace();
}
}
return downloaded;
}
public static void extract(String zipFile, String newPath, boolean overwrite)
throws ZipException, IOException {
File file = new File(zipFile);
ZipFile zip = new ZipFile(file);
new File(newPath).mkdir();
Enumeration<? extends ZipEntry> zipFileEntries = zip.entries();
// Process each entry
while (zipFileEntries.hasMoreElements()) {
// grab a zip file entry
ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
String currentEntry = entry.getName();
File destFile = new File(newPath, currentEntry);
// destFile = new File(newPath, destFile.getName());
File destinationParent = destFile.getParentFile();
// create the parent directory structure if needed
destinationParent.mkdirs();
if (!entry.isDirectory()) {
if (!overwrite && destFile.exists()) continue;
BufferedInputStream is = new BufferedInputStream(zip.getInputStream(entry));
int currentByte;
// establish buffer for writing file
byte data[] = new byte[BUFFER];
// write the current file to disk
FileOutputStream fos = new FileOutputStream(destFile);
BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);
// read and write until last byte is encountered
while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
dest.write(data, 0, currentByte);
}
close(dest);
close(is);
}
}
}