/**
* Bind an object to a context ensuring all subcontexts are created if necessary
*
* @param ctx the context into which to bind
* @param name the name relative to context to bind
* @param obj the object to be bound
* @exception NamingException if an error occurs
*/
public static Context bind(Context ctx, String nameStr, Object obj) throws NamingException {
Name name = ctx.getNameParser("").parse(nameStr);
// no name, nothing to do
if (name.size() == 0) return null;
Context subCtx = ctx;
// last component of the name will be the name to bind
for (int i = 0; i < name.size() - 1; i++) {
try {
subCtx = (Context) subCtx.lookup(name.get(i));
if (Log.isDebugEnabled()) Log.debug("Subcontext " + name.get(i) + " already exists");
} catch (NameNotFoundException e) {
subCtx = subCtx.createSubcontext(name.get(i));
if (Log.isDebugEnabled()) Log.debug("Subcontext " + name.get(i) + " created");
}
}
subCtx.rebind(name.get(name.size() - 1), obj);
if (Log.isDebugEnabled()) Log.debug("Bound object to " + name.get(name.size() - 1));
return subCtx;
}
@Override
public void bind(InetSocketAddress addr, int backlog) throws IOException {
if (_started) throw new BindException("Already started");
// check if there is already a connector listening
Connector[] connectors = _server.getConnectors();
if (connectors != null) throw new BindException("Server already bound");
this._addr = addr;
if (_executor != null && _server.getThreadPool() == null) {
if (Log.isDebugEnabled()) Log.debug("using given Executor for server thread pool");
_server.setThreadPool(new ThreadPoolExecutorAdapter(_executor));
}
SelectChannelConnector connector = new SelectChannelConnector();
connector.setAcceptors(1);
connector.setAcceptQueueSize(backlog);
connector.setPort(addr.getPort());
connector.setHost(addr.getHostName());
_server.addConnector(connector);
}
/* ------------------------------------------------------------ */
public static void extract(Resource resource, File directory, boolean deleteOnExit)
throws IOException {
if (Log.isDebugEnabled()) Log.debug("Extract " + resource + " to " + directory);
String urlString = resource.getURL().toExternalForm().trim();
int endOfJarUrl = urlString.indexOf("!/");
int startOfJarUrl = (endOfJarUrl >= 0 ? 4 : 0);
if (endOfJarUrl < 0) throw new IOException("Not a valid jar url: " + urlString);
URL jarFileURL = new URL(urlString.substring(startOfJarUrl, endOfJarUrl));
String subEntryName =
(endOfJarUrl + 2 < urlString.length() ? urlString.substring(endOfJarUrl + 2) : null);
boolean subEntryIsDir = (subEntryName != null && subEntryName.endsWith("/") ? true : false);
if (Log.isDebugEnabled())
Log.debug("Extracting entry = " + subEntryName + " from jar " + jarFileURL);
InputStream is = jarFileURL.openConnection().getInputStream();
JarInputStream jin = new JarInputStream(is);
JarEntry entry = null;
boolean shouldExtract = true;
while ((entry = jin.getNextJarEntry()) != null) {
String entryName = entry.getName();
if ((subEntryName != null) && (entryName.startsWith(subEntryName))) {
// if there is a particular subEntry that we are looking for, only
// extract it.
if (subEntryIsDir) {
// if it is a subdirectory we are looking for, then we
// are looking to extract its contents into the target
// directory. Remove the name of the subdirectory so
// that we don't wind up creating it too.
entryName = entryName.substring(subEntryName.length());
if (!entryName.equals("")) {
// the entry is
shouldExtract = true;
} else shouldExtract = false;
} else shouldExtract = true;
} else if ((subEntryName != null) && (!entryName.startsWith(subEntryName))) {
// there is a particular entry we are looking for, and this one
// isn't it
shouldExtract = false;
} else {
// we are extracting everything
shouldExtract = true;
}
if (!shouldExtract) {
if (Log.isDebugEnabled()) Log.debug("Skipping entry: " + entryName);
continue;
}
File file = new File(directory, entryName);
if (entry.isDirectory()) {
// Make directory
if (!file.exists()) file.mkdirs();
} else {
// make directory (some jars don't list dirs)
File dir = new File(file.getParent());
if (!dir.exists()) dir.mkdirs();
// Make file
FileOutputStream fout = null;
try {
fout = new FileOutputStream(file);
IO.copy(jin, fout);
} finally {
IO.close(fout);
}
// touch the file.
if (entry.getTime() >= 0) file.setLastModified(entry.getTime());
}
if (deleteOnExit) file.deleteOnExit();
}
}
