/**
* Extracts zip file to the target directory. If patterns are provided only matched paths are
* extracted.
*
* @param zipFile zip file
* @param destDir destination directory
* @param patterns optional wildcard patterns of files to extract, may be <code>null</code>
*/
public static void unzip(File zipFile, File destDir, String... patterns) throws IOException {
ZipFile zip = new ZipFile(zipFile);
Enumeration zipEntries = zip.entries();
while (zipEntries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) zipEntries.nextElement();
String entryName = entry.getName();
if (patterns != null && patterns.length > 0) {
if (Wildcard.matchPathOne(entryName, patterns) == -1) {
continue;
}
}
File file = (destDir != null) ? new File(destDir, entryName) : new File(entryName);
if (entry.isDirectory()) {
if (!file.mkdirs()) {
if (file.isDirectory() == false) {
throw new IOException("Failed to create directory: " + file);
}
}
} else {
File parent = file.getParentFile();
if (parent != null && !parent.exists()) {
if (!parent.mkdirs()) {
if (file.isDirectory() == false) {
throw new IOException("Failed to create directory: " + parent);
}
}
}
InputStream in = zip.getInputStream(entry);
OutputStream out = null;
try {
out = new FileOutputStream(file);
StreamUtil.copy(in, out);
} finally {
StreamUtil.close(out);
StreamUtil.close(in);
}
}
}
close(zip);
}
@Override
protected boolean acceptFile(File file) {
String path = getMatchingFilePath(file);
return Wildcard.matchPath(path, pattern);
}
public static boolean validate(Object value, String pattern) {
if (value == null) {
return true;
}
return Wildcard.matchPath(value.toString(), pattern);
}