public static void main(String[] args) throws Exception {
System.setProperty(
"java.security.policy", System.getProperty("user.home") + "/jini/policy.all");
if (System.getSecurityManager() == null) {
System.setSecurityManager(new SecurityManager());
System.out.println("DynamicDownloadRmiClient.main() setting custom security manager");
}
LookupLocator lookup = new LookupLocator("jini://localhost:4160");
ServiceRegistrar registrar = lookup.getRegistrar();
// give the poor guys some time to lookup
Thread.sleep(10);
UserService userService =
(UserService)
registrar.lookup(
new ServiceTemplate(
null,
new Class[] {UserService.class},
new Entry[] {new Name(UserService.class.getSimpleName())}));
System.out.println("Getting current users from remote: " + userService.getCurrentUsers());
BankAccountService bankAccountService =
(BankAccountService)
registrar.lookup(
new ServiceTemplate(
null,
new Class[] {BankAccountService.class},
new Entry[] {new Name(BankAccountService.class.getSimpleName())}));
System.out.println(
"Creating bank account from remote, id: " + bankAccountService.createBankAccount("aaa"));
}
/**
* Get a pointer to the Jini Lookup Service. (See Jini documentation for more info).
*
* <p>The Jini Lookup Service URL is determined as follows:
*
* <p>If the System property <code>"jini.lookup.url"</code> is provided, its value is the Jini
* Lookup Service URL.
*
* <p>Otherwise, the default URL is assumed to be <code>"jini://localhost"</code>
*
* @return a pointer to the Jini Lookup Service.
*/
public static ServiceRegistrar getRegistrar()
throws IOException, ClassNotFoundException, MalformedURLException {
final String jurl = System.getProperty("jini.lookup.url", "jini://localhost");
final LookupLocator lookup = new LookupLocator(jurl);
final ServiceRegistrar registrar = lookup.getRegistrar();
if (registrar instanceof Administrable) debug("Registry is administrable.");
return registrar;
}
public ClienteOlaMundo() {
LookupLocator lookupLocator = null;
ServiceRegistrar serviceRegistrar = null;
System.setProperty("java.rmi.server.codebase", "http://localhost:8080/classes/");
System.out.println("Mensagem = " + msg);
// Procura LookupService e obtem Registrar
try {
lookupLocator = new LookupLocator("jini://localhost");
} catch (MalformedURLException e) {
e.printStackTrace();
}
System.out.println("LUS port = " + lookupLocator.getPort());
try {
serviceRegistrar = lookupLocator.getRegistrar();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
Name name = new Name("Exemplo simples OlaMundo...");
Entry[] entries = new Entry[] {name};
Class<?>[] classes = {OlaMundo.class};
ServiceTemplate serviceTemplate = new ServiceTemplate(null, classes, entries);
ServiceMatches serviceMatches = null;
try {
serviceMatches = serviceRegistrar.lookup(serviceTemplate, 10);
} catch (RemoteException e) {
e.printStackTrace();
}
System.out.println("serviceMatches = " + serviceMatches.toString());
ServiceItem[] items = serviceMatches.items;
for (ServiceItem item : items) {
System.out.println("item.service = " + item.service.toString());
System.out.println(
"item.service.getClass().getName() = " + item.service.getClass().getName());
System.out.println("item.service.toString() = " + item.service.toString());
OlaMundo olaMundo = (OlaMundo) item.service;
System.out.println("Retornou: " + olaMundo.dizOla(msg));
}
}
public TransactionManagerAccessor(String propFileName) {
LookupLocator locator = null;
ServiceRegistrar registrar = null;
// Security manager
try {
System.setSecurityManager(new RMISecurityManager());
} catch (Exception e) {
e.printStackTrace();
}
// Get properties from property file
initProperties(propFileName);
try {
// Get lookup service locator at "jini://hostname"
// use default port and register of the locator
locator = new LookupLocator(jiniURL);
registrar = locator.getRegistrar();
// Space name provided in property file
ServiceTemplate template;
// Specify the service requirement, array (length 1) of
// instances of Class
Class[] types = new Class[] {TransactionManager.class};
template = new ServiceTemplate(null, types, null);
// Get manager, 10 attempts!
for (int i = 0; i < 10; i++) {
Object obj = registrar.lookup(template);
if (obj instanceof TransactionManager) {
manager = (TransactionManager) obj;
break;
}
System.out.println("BasicService. TransactionManager not " + "available. Trying again...");
Thread.sleep(MAX_LOOKUP_WAIT);
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static String discoveryInfo(final ServiceElement element) {
StringBuilder builder = new StringBuilder();
builder.append("[groups: ");
int i = 0;
for (String group : element.getServiceBeanConfig().getGroups()) {
if (i > 0) builder.append(", ");
builder.append(group);
i++;
}
if (element.getServiceBeanConfig().getLocators() != null
&& element.getServiceBeanConfig().getLocators().length > 0) {
builder.append(", locators: ");
i = 0;
for (LookupLocator locator : element.getServiceBeanConfig().getLocators()) {
if (i > 0) builder.append(", ");
builder.append(locator.toString());
i++;
}
}
builder.append("]");
return builder.toString();
}
