public void connect() throws IOException {
if (!connected) {
String path = url.getPath();
Matcher matcher = urlPattern.matcher(path);
if (matcher.matches()) {
path = matcher.group(1);
String subPath = matcher.group(2);
JarURLConnection jarURLConnection =
(JarURLConnection) new URL("jar:" + path).openConnection();
inputStream = jarURLConnection.getInputStream();
if (subPath.isEmpty() == false) {
JarFile jar = retrieve(new URL(path), inputStream);
String[] nodes = nestingSeparatorPattern.split(subPath);
int i;
for (i = 0; i < nodes.length - 1; i++) {
path += "!/" + nodes[i];
jar = retrieve(new URL(path), inputStream);
}
ZipEntry entry = jar.getEntry(nodes[i]);
entrySize = entry.getSize();
inputStream = jar.getInputStream(entry);
}
} else {
throw new MalformedURLException("Invalid JAP URL path: " + path);
}
connected = true;
}
}
/**
* Returns a stream to a pack, depending on the installation kind.
*
* @param n The pack number.
* @return The stream.
* @exception Exception Description of the Exception
*/
private InputStream getPackAsStream(int n) throws Exception {
InputStream in = null;
if (idata.kind.equalsIgnoreCase("standard")
|| idata.kind.equalsIgnoreCase("standard-kunststoff"))
in = getClass().getResourceAsStream("/packs/pack" + n);
else if (idata.kind.equalsIgnoreCase("web") || idata.kind.equalsIgnoreCase("web-kunststoff")) {
URL url = new URL("jar:" + jarLocation + "!/packs/pack" + n);
JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
in = jarConnection.getInputStream();
}
return in;
}