public static void main(String[] args) {
try {
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
p.put(Context.PROVIDER_URL, "10.10.10.13:1100,10.10.10.14:1100");
// p.put(Context.PROVIDER_URL, "localhost:1100");
p.put(Context.URL_PKG_PREFIXES, "org.jboss.naming:org.jnp.interfaces");
InitialContext ctx = new InitialContext(p);
StatelessSessionHome statelessSessionHome =
(StatelessSessionHome) ctx.lookup("nextgen.StatelessSession");
EnterpriseEntityHome cmpHome = (EnterpriseEntityHome) ctx.lookup("nextgen.EnterpriseEntity");
StatelessSession statelessSession = statelessSessionHome.create();
EnterpriseEntity cmp = null;
try {
cmp = cmpHome.findByPrimaryKey("bill");
} catch (Exception ex) {
cmp = cmpHome.create("bill");
}
int count = 0;
while (true) {
System.out.println(statelessSession.callBusinessMethodB());
try {
cmp.setOtherField(count++);
} catch (Exception ex) {
System.out.println("exception, trying to create it: " + ex);
cmp = cmpHome.create("bill");
cmp.setOtherField(count++);
}
System.out.println("Entity: " + cmp.getOtherField());
Thread.sleep(2000);
}
} catch (NamingException nex) {
if (nex.getRootCause() != null) {
nex.getRootCause().printStackTrace();
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
/**
* 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);
}
}
