public boolean hasChildren(Object node) {
NameClassPair ncp = (NameClassPair) node;
String nm = ncp.getName();
if (nm.equals("")) // root node
return true;
return ncp.getClassName().equals(CLASS_WITH_CHILDREN);
}
void exploreNext(int depth, DirContext ctx, String path) throws NamingException {
NamingEnumeration<NameClassPair> names = ctx.list(path);
while (names.hasMore()) {
Object obj = names.next();
NameClassPair ncp = (NameClassPair) obj;
if (ncp.getClassName().equals("weblogic.jndi.internal.ServerNamingNode")) {
System.out.println(createBlanks(depth) + ncp.getName());
exploreNext(depth + 1, ctx, path + "/" + ncp.getName());
} else {
System.out.print(createBlanks(depth) + "[" + ncp.getName());
System.out.print("] - ");
try {
// System.out.println(ctx.lookup(path+"/"+ncp.getName()));
System.out.println(ncp.getClassName());
} catch (Exception ex) {
System.out.println("");
}
}
}
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
String infoString = "";
String listString = "";
logger.info("zzzzzzzzzzzzzzzzzzzzzzzzzzz beginning run");
try {
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
Object oo = envCtx.lookup("jms/ConnectionFactory");
if (oo != null) {
infoString += "<h4>Sample lookup: " + oo.getClass().getName() + "</h4>";
}
NamingEnumeration<NameClassPair> nameInfo = envCtx.list("jms");
while (nameInfo.hasMore()) {
NameClassPair n = nameInfo.next();
listString += "<li>" + n.getClassName() + " -- " + n.getName() + "</li>";
}
Queue tomcatQueue = (Queue) envCtx.lookup("jms/TomcatQueue");
infoString += "<h4>Tomcat queue: " + tomcatQueue.getQueueName() + "</h4>";
ActiveMQQueue aQueue = (ActiveMQQueue) tomcatQueue;
infoString += "<h4>Apache queue: " + aQueue.getDestinationTypeAsString() + "</h4>";
} catch (Exception ex) {
String exI = "Error: " + ex.getClass().getName() + "-- " + ex.getMessage();
logger.error(exI);
infoString += "Error: <b>" + exI + "</b>";
}
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet JmsTestServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>List of items at java:comp/env/jms</h1>");
out.println("<p>" + infoString + "</p>");
out.println("<ol>" + listString + "</ol>");
out.println("</body>");
out.println("</html>");
}
/**
* Recursively display the naming context information into the buffer.
*
* @param ctx
* @param indent
* @param buffer
* @param verbose
*/
public static void list(Context ctx, String indent, StringBuffer buffer, boolean verbose) {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try {
NamingEnumeration ne = ctx.list("");
while (ne.hasMore()) {
NameClassPair pair = (NameClassPair) ne.next();
String name = pair.getName();
String className = pair.getClassName();
boolean recursive = false;
boolean isLinkRef = false;
boolean isProxy = false;
Class c = null;
try {
c = loader.loadClass(className);
if (Context.class.isAssignableFrom(c)) recursive = true;
if (LinkRef.class.isAssignableFrom(c)) isLinkRef = true;
isProxy = Proxy.isProxyClass(c);
} catch (ClassNotFoundException cnfe) {
// If this is a $Proxy* class its a proxy
if (className.startsWith("$Proxy")) {
isProxy = true;
// We have to get the class from the binding
try {
Object p = ctx.lookup(name);
c = p.getClass();
} catch (NamingException e) {
Throwable t = e.getRootCause();
if (t instanceof ClassNotFoundException) {
// Get the class name from the exception msg
String msg = t.getMessage();
if (msg != null) {
// Reset the class name to the CNFE class
className = msg;
}
}
}
}
}
buffer.append(indent + " +- " + name);
// Display reference targets
if (isLinkRef) {
// Get the
try {
Object obj = ctx.lookupLink(name);
LinkRef link = (LinkRef) obj;
buffer.append("[link -> ");
buffer.append(link.getLinkName());
buffer.append(']');
} catch (Throwable t) {
buffer.append("invalid]");
}
}
// Display proxy interfaces
if (isProxy) {
buffer.append(" (proxy: " + pair.getClassName());
if (c != null) {
Class[] ifaces = c.getInterfaces();
buffer.append(" implements ");
for (int i = 0; i < ifaces.length; i++) {
buffer.append(ifaces[i]);
buffer.append(',');
}
buffer.setCharAt(buffer.length() - 1, ')');
} else {
buffer.append(" implements " + className + ")");
}
} else if (verbose) {
buffer.append(" (class: " + pair.getClassName() + ")");
}
buffer.append('\n');
if (recursive) {
try {
Object value = ctx.lookup(name);
if (value instanceof Context) {
Context subctx = (Context) value;
list(subctx, indent + " | ", buffer, verbose);
} else {
buffer.append(indent + " | NonContext: " + value);
buffer.append('\n');
}
} catch (Throwable t) {
buffer.append("Failed to lookup: " + name + ", errmsg=" + t.getMessage());
buffer.append('\n');
}
}
}
ne.close();
} catch (NamingException ne) {
buffer.append("error while listing context " + ctx.toString() + ": " + ne.toString(true));
formatException(buffer, ne);
}
}