javax.naming.Context Java Examples

public static Context getURLContext(
        String scheme, Hashtable<?,?> environment)
        throws NamingException {
    return new DnsContext("", null, new Hashtable<String,String>()) {
        public Attributes getAttributes(String name, String[] attrIds)
                throws NamingException {
            return new BasicAttributes() {
                public Attribute get(String attrID) {
                    BasicAttribute ba  = new BasicAttribute(attrID);
                    ba.add("1 1 99 b.com.");
                    ba.add("0 0 88 a.com.");    // 2nd has higher priority
                    return ba;
                }
            };
        }
    };
}
 

@Test
public void testBug53465() throws Exception {
    Tomcat tomcat = getTomcatInstance();
    tomcat.enableNaming();

    File appDir =
        new File("test/webapp-3.0");
    // app dir is relative to server home
    org.apache.catalina.Context ctxt =
            tomcat.addWebapp(null, "/test", appDir.getAbsolutePath());

    tomcat.start();

    ByteChunk bc = new ByteChunk();
    int rc = getUrl("http://localhost:" + getPort() +
            "/test/bug5nnnn/bug53465.jsp", bc, null);

    Assert.assertEquals(HttpServletResponse.SC_OK, rc);
    Assert.assertTrue(bc.toString().contains("<p>10</p>"));

    ContextEnvironment ce =
            ctxt.getNamingResources().findEnvironment("bug53465");
    Assert.assertEquals("Bug53465MappedName", ce.getProperty("mappedName"));
}
 

private Object loadFromDatabase(Object ob)
{
  Object obj =  null;
  try{
	Context ctx = CacheFactory.getAnyInstance().getJNDIContext();
	DataSource ds = (DataSource)ctx.lookup("java:/XAPooledDataSource");
	Connection conn = ds.getConnection();
	Statement stm = conn.createStatement();
	String str = "update "+ tableName +" set name ='newname' where id = ("+(new Integer(ob.toString())).intValue()+")";
	stm.executeUpdate(str);
	ResultSet rs = stm.executeQuery("select name from "+ tableName +" where id = ("+(new Integer(ob.toString())).intValue()+")");
	rs.next();
	obj = rs.getString(1);
	stm.close();
	conn.close();
	return obj;
  }catch(Exception e){
	e.printStackTrace();
  }
  return obj;
}
 

@Override
public InitialContextFactory createInitialContextFactory(Hashtable<?, ?> environment) throws NamingException {
    final String className = (String) environment.get(Context.INITIAL_CONTEXT_FACTORY);
    try {
        final ClassLoader cl = Thread.currentThread().getContextClassLoader();
        return (InitialContextFactory) Class.forName(className, true, cl).newInstance();
    } catch (Exception e) {
        NoInitialContextException ne = new NoInitialContextException(
                "Cannot instantiate class: " + className);
        ne.setRootCause(e);
        throw ne;
    }
}
 

public void testConnectionPoolFunctions() {
  try {
    Context ctx = cache.getJNDIContext();
    ds = (GemFireConnPooledDataSource) ctx.lookup("java:/PooledDataSource");
    PoolClient_1 clientA = new PoolClient_1();
    ThreadA = new Thread(clientA, "ThreadA");
    PoolClient_2 clientB = new PoolClient_2();
    ThreadB = new Thread(clientB, "ThreadB");
    // ThreadA.setDaemon(true);
    //ThreadB.setDaemon(true);
    ThreadA.start();
  }
  catch (Exception e) {
    fail("Exception occured in testConnectionPoolFunctions due to " + e);
    e.printStackTrace();
  }
}
 

/**
 * Tests if LDAP connection correctly initialized.
 */
public void test() {
    Map<String, String> params = new HashMap<String, String>();
    String dn = "dc=scriptella";
    params.put(LdapConnection.SEARCH_BASEDN_KEY, dn);
    params.put(LdapConnection.SEARCH_SCOPE_KEY, "subtree");
    params.put(LdapConnection.FILE_MAXLENGTH_KEY, "100");
    final String url = "ldap://127.0.0.1:389/";
    ConnectionParameters cp = new MockConnectionParameters(params, url);
    ctxInitialized = false;
    LdapConnection con = new LdapConnection(cp) {
        @Override
        protected void initializeContext(Hashtable<String, Object> env) {
            ctxInitialized = true;
            //Simple checks if environment has been correctly set up
            assertEquals(url, env.get(Context.PROVIDER_URL));
            assertNotNull(env.get(Context.INITIAL_CONTEXT_FACTORY));

        }
    };
    assertEquals(dn, con.getBaseDn());
    assertEquals(SearchControls.SUBTREE_SCOPE, con.getSearchControls().getSearchScope());
    assertEquals(100, (long) con.getMaxFileLength());
    assertTrue(ctxInitialized);
}
 

private static boolean undeploy(final StandardContext standardContext, final Container host) {
    final Container child = host.findChild(standardContext.getName());

    // skip undeployment if redeploying (StandardContext.redeploy())
    if (child instanceof org.apache.catalina.Context && org.apache.catalina.Context.class.cast(child).getPaused()) {
        return true;
    }

    // skip undeployment if restarting
    final TomEEWebappClassLoader tomEEWebappClassLoader = lazyClassLoader(
        org.apache.catalina.Context.class.isInstance(child) ? org.apache.catalina.Context.class.cast(child) : null);
    if (tomEEWebappClassLoader != null && tomEEWebappClassLoader.isRestarting()) {
        return true;
    }

    if (child != null) {
        host.removeChild(standardContext);
        return true;
    }
    return false;
}
 

@Before
public void setUp() throws OpenEJBException, NamingException, IOException {
    final ConfigurationFactory config = new ConfigurationFactory();
    final Assembler assembler = new Assembler();

    assembler.createTransactionManager(config.configureService(TransactionServiceInfo.class));
    assembler.createSecurityService(config.configureService(SecurityServiceInfo.class));

    final AppModule app = new AppModule(OpenEJBXmlByModuleTest.class.getClassLoader(), OpenEJBXmlByModuleTest.class.getSimpleName());

    final EjbJar ejbJar = new EjbJar();
    ejbJar.addEnterpriseBean(new SingletonBean(UselessBean.class));
    app.getEjbModules().add(new EjbModule(ejbJar));
    app.getEjbModules().iterator().next().getAltDDs().put("resources.xml", getClass().getClassLoader().getResource("META-INF/resource/appresource.openejb.xml"));

    assembler.createApplication(config.configureApplication(app));

    final Properties properties = new Properties();
    properties.setProperty(javax.naming.Context.INITIAL_CONTEXT_FACTORY, LocalInitialContextFactory.class.getName());
    properties.setProperty("openejb.embedded.initialcontext.close", "destroy");

    // some hack to be sure to call destroy()
    context = new InitialContext(properties);

    bean = (UselessBean) context.lookup("UselessBeanLocalBean");
}
 

public static void listTableData(String tableName) throws NamingException, SQLException {
  Context ctx = CacheHelper.getCache().getJNDIContext();
  DataSource ds = (DataSource) ctx.lookup("java:/SimpleDataSource");
  
  String sql = "select * from " + tableName;
  Log.getLogWriter().info("listTableData: " + sql);
  
  Connection conn = ds.getConnection();
  Statement sm = conn.createStatement();
  ResultSet rs = sm.executeQuery(sql);
  while (rs.next()) {
    Log.getLogWriter().info("id " + rs.getString(1) + " name " + rs.getString(2));
  }
  rs.close();
  conn.close();
}
 

private Hashtable<String, String> createEnv(final String user, final String password)
{
  // Set up the environment for creating the initial context
  final Hashtable<String, String> env = new Hashtable<String, String>();
  env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
  env.put(Context.PROVIDER_URL, ldapConfig.getCompleteServerUrl());
  final String authentication = ldapConfig.getAuthentication();
  if (StringUtils.isNotBlank(authentication) == true) {
    env.put(Context.SECURITY_AUTHENTICATION, ldapConfig.getAuthentication());
    if ("none".equals(authentication) == false || user != null || password != null) {
      env.put(Context.SECURITY_PRINCIPAL, user);
      env.put(Context.SECURITY_CREDENTIALS, password);
    }
  }
  if (ldapConfig != null && StringUtils.isNotBlank(ldapConfig.getSslCertificateFile()) == true) {
    env.put("java.naming.ldap.factory.socket", "org.projectforge.ldap.MySSLSocketFactory");
  }
  log.info("Trying to connect the LDAP server: url=["
      + ldapConfig.getCompleteServerUrl()
      + "], authentication=["
      + ldapConfig.getAuthentication()
      + "], principal=["
      + user
      + "]");
  return env;
}
 

public static synchronized void registerConnections(IJdbcResourceFactoryProvider provider) throws ResourceFactoriesException {
    // Look at the local providers
    String[] names = provider.getConnectionNames();
    if(names!=null) {
        for(int j=0; j<names.length; j++) {
            String name = names[j];
            Integer n = connections.get(name);
            if(n==null) {
                n = 1;
                //Register the dataSourceName in JNDI
                try {
                    Context ctx = new InitialContext();
                    String jndiName = JndiRegistry.getJNDIBindName(name);
                    ctx.bind( jndiName, new JndiDataSourceProxy(name) );
                } catch(NamingException ex) {
                    throw new ResourceFactoriesException(ex,StringUtil.format("Error while binding JNDI name {0}",name)); // $NLX-JndiRegistry.Errorwhilebinding0name1-1$ $NON-NLS-2$
                }
            } else {
                n = n+1;
            }
            connections.put(name,n);
        }
    }
}
 

@Test
public void testLookupFailsWithTypeMismatch() throws Exception {
	Object o = new Object();
	String name = "foo";
	final Context context = mock(Context.class);
	given(context.lookup(name)).willReturn(o);

	JndiTemplate jt = new JndiTemplate() {
		@Override
		protected Context createInitialContext() {
			return context;
		}
	};

	try {
		jt.lookup(name, String.class);
		fail("Should have thrown TypeMismatchNamingException");
	}
	catch (TypeMismatchNamingException ex) {
		// Ok
	}
	verify(context).close();
}
 

protected void setUp() throws Exception {
  // InitialContextFactoryImpl impl = new InitialContextFactoryImpl();
  //	impl.setAsInitial();
  Hashtable table = new Hashtable();
  table
  .put(
      Context.INITIAL_CONTEXT_FACTORY,
  "com.gemstone.gemfire.internal.jndi.InitialContextFactoryImpl");
  //	table.put(Context.URL_PKG_PREFIXES,
  // "com.gemstone.gemfire.internal.jndi");
  initialCtx = new InitialContext(table);
  initialCtx.bind("java:gf/env/datasource/oracle", "a");
  gfCtx = (Context) initialCtx.lookup("java:gf");
  envCtx = (Context) gfCtx.lookup("env");
  datasourceCtx = (Context) envCtx.lookup("datasource");
}
 

public DefaultInstanceManager(Context context, Map<String, Map<String, String>> injectionMap, org.apache.catalina.Context catalinaContext, ClassLoader containerClassLoader) {
    classLoader = catalinaContext.getLoader().getClassLoader();
    privileged = catalinaContext.getPrivileged();
    this.containerClassLoader = containerClassLoader;
    ignoreAnnotations = catalinaContext.getIgnoreAnnotations();
    StringManager sm = StringManager.getManager(Constants.Package);
    restrictedServlets = loadProperties(
            "org/apache/catalina/core/RestrictedServlets.properties",
            sm.getString("defaultInstanceManager.restrictedServletsResource"),
            catalinaContext.getLogger());
    restrictedListeners = loadProperties(
            "org/apache/catalina/core/RestrictedListeners.properties",
            "defaultInstanceManager.restrictedListenersResources",
            catalinaContext.getLogger());
    restrictedFilters = loadProperties(
            "org/apache/catalina/core/RestrictedFilters.properties",
            "defaultInstanceManager.restrictedFiltersResource",
            catalinaContext.getLogger());
    this.context = context;
    this.injectionMap = injectionMap;
    this.postConstructMethods = catalinaContext.findPostConstructMethods();
    this.preDestroyMethods = catalinaContext.findPreDestroyMethods();
}
 

public void run() {
	while (shouldKeepBinding()) {
	  try {
		Context objectContext = configuration.getObjectContext();
		objectContext.rebind(name, server.getServant());
		objectContext.close();
	  } catch (Exception ex) {
		System.err.println("Exception binding at " + new Date() + "; will keep trying...");
		ex.printStackTrace();
	  } finally {
		try {
		  Thread.sleep(REBIND_PERIOD);
		} catch (InterruptedException ignore) {
		}
	  }
	}
}
 

@Test
public void createJndiProperties() {
    // given
    Properties props = createConnectionProperties(jndiName);

    // when
    Properties jndiProps = PluginServiceFactory.createJndiProperties(props);

    // then
    assertEquals(props.get(Context.PROVIDER_URL),
            jndiProps.get(Context.PROVIDER_URL));
    assertEquals(props.get(Context.INITIAL_CONTEXT_FACTORY),
            jndiProps.get(Context.INITIAL_CONTEXT_FACTORY));
    assertEquals(props.get(ORBINITIALHOST), jndiProps.get(ORBINITIALHOST));
    assertEquals(props.get(ORBINITIALPORT), jndiProps.get(ORBINITIALPORT));
    assertEquals(4, jndiProps.size());
    assertNull(props.get(PluginServiceFactory.JNDI_NAME));

}
 

public void testIndexOnCommitForDestroy() throws Exception {
  AttributesFactory af = new AttributesFactory();
  af.setDataPolicy(DataPolicy.REPLICATE);
  Region region = cache.createRegion("sample", af.create());
  qs.createIndex("foo", IndexType.FUNCTIONAL, "age", "/sample");
  Context ctx = cache.getJNDIContext();
  UserTransaction utx = (UserTransaction)ctx.lookup("java:/UserTransaction");
  Integer x = new Integer(0);
  utx.begin();
  region.create(x, new Person("xyz", 45));
  utx.commit();
  Query q = qs.newQuery("select * from /sample where age < 50");
  assertEquals(1, ((SelectResults)q.execute()).size());
  Person dsample = (Person)CopyHelper.copy(region.get(x));
  dsample.setAge(55);
  utx.begin();
  region.destroy(x);
  utx.commit();
  System.out.println((region.get(x)));
  assertEquals(0, ((SelectResults) q.execute()).size());
}
 

private static Object createObjectFromFactories(Object obj, Name name,
        Context nameCtx, Hashtable<?,?> environment, Attributes attrs)
    throws Exception {

    FactoryEnumeration factories = ResourceManager.getFactories(
        Context.OBJECT_FACTORIES, environment, nameCtx);

    if (factories == null)
        return null;

    ObjectFactory factory;
    Object answer = null;
    // Try each factory until one succeeds
    while (answer == null && factories.hasMore()) {
        factory = (ObjectFactory)factories.next();
        if (factory instanceof DirObjectFactory) {
            answer = ((DirObjectFactory)factory).
                getObjectInstance(obj, name, nameCtx, environment, attrs);
        } else {
            answer =
                factory.getObjectInstance(obj, name, nameCtx, environment);
        }
    }
    return answer;
}
 

@Override
public Object getObjectInstance(final Object object, final Name name, final Context context, final Hashtable environment) throws Exception {
    // get the transaction manager
    final TransactionManager transactionManager = SystemInstance.get().getComponent(TransactionManager.class);
    if (transactionManager == null) {
        throw new NamingException("transaction manager not found");
    }

    // if transaction manager implements user transaction we are done
    if (transactionManager instanceof UserTransaction) {
        return transactionManager;
    }

    // wrap transaction manager with user transaction
    return new CoreUserTransaction(transactionManager);
}
 

protected String getData(String query) {
  String returnValue = "";
  Connection conn = null;
  Statement stm = null;
  try {
    Context ctx = CacheFactory.getAnyInstance().getJNDIContext();
    DataSource ds = (DataSource) ctx.lookup("java:/SimpleDataSource");
    conn = ds.getConnection();
    stm = conn.createStatement();
    ResultSet rs = stm.executeQuery(query);
    rs.next();
    returnValue = rs.getString(1);
  }
  catch (Exception e) {
    e.printStackTrace();
  }
  finally {
    try {
      if (stm != null) {
        stm.close();
        stm = null;
      }
      if (conn != null) {
        conn.close();
        conn = null;
      }
    }
    catch (SQLException sq) {
      sq.printStackTrace();
    }
  }
  return returnValue;
}
 

public static void createPool() throws Exception {
  Context ctx = cache.getJNDIContext();
  GemFireConnPooledDataSource ds = (GemFireConnPooledDataSource) ctx
      .lookup("java:/PooledDataSource");
  provider = (GemFireConnectionPoolManager) ds.getConnectionProvider();
  poolCache = (ConnectionPoolCacheImpl) provider.getConnectionPoolCache();
  maxPoolSize = poolCache.getMaxLimit();
}
 

/**
 * Create a new EJB instance using OpenEJB.
 * 
 * @param obj The reference object describing the DataSource
 */
@Override
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                                Hashtable<?,?> environment)
    throws Exception {

    Object beanObj = null;

    if (obj instanceof EjbRef) {

        Reference ref = (Reference) obj;

        String factory = DEFAULT_OPENEJB_FACTORY;
        RefAddr factoryRefAddr = ref.get("openejb.factory");
        if (factoryRefAddr != null) {
            // Retrieving the OpenEJB factory
            factory = factoryRefAddr.getContent().toString();
        }

        Properties env = new Properties();
        env.put(Context.INITIAL_CONTEXT_FACTORY, factory);

        RefAddr linkRefAddr = ref.get("openejb.link");
        if (linkRefAddr != null) {
            String ejbLink = linkRefAddr.getContent().toString();
            beanObj = (new InitialContext(env)).lookup(ejbLink);
        }

    }

    return beanObj;

}
 

/**
 * Closes the specified {@code Context}, ignoring any exceptions thrown by the close operation.
 *
 * @param context the JNDI Context to close, may be {@code null}
 */
public static boolean closeSilently(final Context context) {
    try {
        close(context);
        return true;
    } catch (final NamingException ignored) {
        // ignored
        return false;
    }
}
 

protected ConnectionFactory getConnectionFactory(Context context, String id, boolean createDestination, boolean useJms102) throws IbisException {
	try {
		return createConnectionFactory(context, id, createDestination, useJms102);
	} catch (Throwable t) {
		throw new IbisException("could not obtain connectionFactory ["+id+"]", t);
	}
}
 

private static DataSource getDataSource() throws ServletException {
	try {
		Context envCtx = (Context)new InitialContext().lookup("java:comp/env");
		return (DataSource)envCtx.lookup("jdbc/regDB");
	} catch(NamingException e) {
		throw new ServletException(e);
	}
}
 

@Instrumentation.TraceEntry(message = "create ldap context", timer = "ldap")
private static LdapContext createLdapContext(String username, String password,
        LdapConfig ldapConfig) throws NamingException {
    Hashtable<String, Object> env = new Hashtable<String, Object>();
    env.put(Context.SECURITY_AUTHENTICATION, "simple");
    env.put(Context.SECURITY_PRINCIPAL, username);
    env.put(Context.SECURITY_CREDENTIALS, password);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, ldapConfig.url());
    return new InitialLdapContext(env, null);
}
 

/**
 * Create a context
 * @return The context
 * @exception NamingException Thrown if an error occurs
 */
protected Context createContext() throws NamingException
{
   Properties properties = new Properties();
   properties.setProperty("java.naming.factory.initial", "org.jnp.interfaces.LocalOnlyContextFactory");
   properties.setProperty("java.naming.factory.url.pkgs", "org.jboss.naming:org.jnp.interfaces");
   properties.setProperty(Context.PROVIDER_URL, jndiProtocol + "://" + jndiHost + ":" + jndiPort);
   return new InitialContext(properties);
}
 

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    log.trace("Servlet BookServlet doGet begin");

    BookEJBRemote bookEJBRemote;

    try {
        Context context = new InitialContext();
        bookEJBRemote = (BookEJBRemote) context.lookup("java:global/ear-ejb/war-ejb-1.0-SNAPSHOT/BookEJB!edu.javacourse.BookEJBRemote");
    } catch (NamingException e) {
        log.error("Error while creating JNDI context: {}", e.getMessage());
        throw new ServletException("Error while creating JNDI context");
    }

    log.debug("BookEJBLocal class: {}", bookEJBRemote == null ? "EJB not initialized" : bookEJBRemote.getClass().getCanonicalName());

    List<Book> books = bookEJBRemote.getBooks();

    log.debug("Books returned by EJB: {}", books);

    request.setAttribute("bookClass", books.get(0).getClass().getCanonicalName());
    request.setAttribute("beanClass", bookEJBRemote.getClass().getCanonicalName());
    request.setAttribute("interface", "remote");
    request.setAttribute("books", books);

    getServletContext().getRequestDispatcher("/index.jsp").forward(request, response);
    log.trace("Servlet BookServlet doGet end");
}
 

@Override
public Object getObjectInstance(final Object ref,
                                final Name name,
                                final Context ctx,
                                final Hashtable<?, ?> props) throws Exception {
   Reference r = (Reference) ref;

   byte[] bytes = (byte[]) r.get("ActiveMQ-CF").getContent();

   // Deserialize
   return SerializableObjectRefAddr.deserialize(bytes);
}
 

@Test
public void testQueueCF() throws NamingException, JMSException {
   Hashtable<String, String> props = new Hashtable<>();
   props.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.activemq.artemis.jndi.ActiveMQInitialContextFactory");
   props.put("connectionFactory.myConnectionFactory", "vm://0?type=QUEUE_CF");
   Context ctx = new InitialContext(props);

   ActiveMQConnectionFactory connectionFactory = (ActiveMQConnectionFactory) ctx.lookup("myConnectionFactory");

   Assert.assertEquals(JMSFactoryType.QUEUE_CF.intValue(), connectionFactory.getFactoryType());
}