private static ZipFile getZipFile(final ZLFile file) throws IOException {
synchronized (ourZipFileMap) {
ZipFile zf = file.isCached() ? ourZipFileMap.get(file) : null;
if (zf == null) {
zf =
new ZipFile(
new ZipFile.InputStreamHolder() {
public InputStream getInputStream() throws IOException {
return file.getInputStream();
}
});
if (file.isCached()) {
ourZipFileMap.put(file, zf);
}
}
return zf;
}
}
static void removeFromCache(ZLFile file) {
ourZipFileMap.remove(file);
}