Example usage for javax.naming InitialContext lookup

List of usage examples for javax.naming InitialContext lookup

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Introduction

In this page you can find the example usage for javax.naming InitialContext lookup.

Prototype

public Object lookup(Name name) throws NamingException

Source Link

Usage

From source file:org.nimbustools.ctxbroker.service.ContextBrokerHomeImpl.java

public static BootstrapFactory discoverBootstrapFactory() throws Exception {

    InitialContext ctx = null;
    try {//w  w  w  .j av a  2 s .co m
        ctx = new InitialContext();

        final BootstrapFactory factory = (BootstrapFactory) ctx.lookup(CONTEXTUALIZATION_BOOTSTRAP_FACTORY);

        if (factory == null) {
            throw new Exception("null from JNDI for BootstrapFactory (?)");
        }

        return factory;

    } finally {
        if (ctx != null) {
            ctx.close();
        }
    }
}

From source file:com.flexive.shared.EJBLookup.java

/**
 * Get a reference of the current EJB session context.
 *
 * @return the EJB session context/*from w  ww.j a  v a2 s .c om*/
 */
public static SessionContext getSessionContext() {
    try {
        final InitialContext ctx = new InitialContext();
        return (SessionContext) ctx.lookup("java:comp/EJBContext");
    } catch (NamingException e) {
        throw new FxLookupException("Failed to lookup session context: " + e.getMessage(), e)
                .asRuntimeException();
    }
}

From source file:com.flexive.shared.EJBLookup.java

/**
 * Get a reference of the transaction manager
 *
 * @return TransactionManager/*w w w.  j  a  v a 2s. c o m*/
 */
public static TransactionManager getTransactionManager() {
    for (String path : TM_JNDI_PATHS) {
        try {
            InitialContext ctx = new InitialContext();
            return (TransactionManager) ctx.lookup(path);
        } catch (NamingException e) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("No transaction manager found under JNDI path " + path);
            }
        }
    }
    throw new FxLookupException("Failed to lookup transaction manager").asRuntimeException();
}

From source file:com.cws.esolutions.core.utils.MQUtils.java

/**
 * Puts an MQ message on a specified queue and returns the associated
 * correlation ID for retrieval upon request.
 *
 * @param connName - The connection name to utilize
 * @param authData - The authentication data to utilize, if required
 * @param requestQueue - The request queue name to put the message on
 * @param targetHost - The target host for the message
 * @param value - The data to place on the request. MUST be <code>Serialiable</code>
 * @return <code>String</code> - the JMS correlation ID associated with the message
 * @throws UtilityException {@link com.cws.esolutions.core.utils.exception.UtilityException} if an error occurs processing
 *///w  w  w  .j av a2 s. co  m
public static final synchronized String sendMqMessage(final String connName, final List<String> authData,
        final String requestQueue, final String targetHost, final Serializable value) throws UtilityException {
    final String methodName = MQUtils.CNAME
            + "sendMqMessage(final String connName, final List<String> authData, final String requestQueue, final String targetHost, final Serializable value) throws UtilityException";

    if (DEBUG) {
        DEBUGGER.debug(methodName);
        DEBUGGER.debug("Value: {}", connName);
        DEBUGGER.debug("Value: {}", requestQueue);
        DEBUGGER.debug("Value: {}", targetHost);
        DEBUGGER.debug("Value: {}", value);
    }

    Connection conn = null;
    Session session = null;
    Context envContext = null;
    InitialContext initCtx = null;
    MessageProducer producer = null;
    ConnectionFactory connFactory = null;

    final String correlationId = RandomStringUtils.randomAlphanumeric(64);

    if (DEBUG) {
        DEBUGGER.debug("correlationId: {}", correlationId);
    }

    try {
        try {
            initCtx = new InitialContext();
            envContext = (Context) initCtx.lookup(MQUtils.INIT_CONTEXT);

            connFactory = (ConnectionFactory) envContext.lookup(connName);
        } catch (NamingException nx) {
            // we're probably not in a container
            connFactory = new ActiveMQConnectionFactory(connName);
        }

        if (DEBUG) {
            DEBUGGER.debug("ConnectionFactory: {}", connFactory);
        }

        if (connFactory == null) {
            throw new UtilityException("Unable to create connection factory for provided name");
        }

        // Create a Connection
        conn = connFactory.createConnection(authData.get(0),
                PasswordUtils.decryptText(authData.get(1), authData.get(2), authData.get(3),
                        Integer.parseInt(authData.get(4)), Integer.parseInt(authData.get(5)), authData.get(6),
                        authData.get(7), authData.get(8)));
        conn.start();

        if (DEBUG) {
            DEBUGGER.debug("Connection: {}", conn);
        }

        // Create a Session
        session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);

        if (DEBUG) {
            DEBUGGER.debug("Session: {}", session);
        }

        // Create a MessageProducer from the Session to the Topic or Queue
        if (envContext != null) {
            try {
                producer = session.createProducer((Destination) envContext.lookup(requestQueue));
            } catch (NamingException nx) {
                throw new UtilityException(nx.getMessage(), nx);
            }
        } else {
            Destination destination = session.createTopic(requestQueue);

            if (DEBUG) {
                DEBUGGER.debug("Destination: {}", destination);
            }

            producer = session.createProducer(destination);
        }

        if (producer == null) {
            throw new JMSException("Failed to create a producer object");
        }

        producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

        if (DEBUG) {
            DEBUGGER.debug("MessageProducer: {}", producer);
        }

        ObjectMessage message = session.createObjectMessage(true);
        message.setJMSCorrelationID(correlationId);
        message.setStringProperty("targetHost", targetHost);

        if (DEBUG) {
            DEBUGGER.debug("correlationId: {}", correlationId);
        }

        message.setObject(value);

        if (DEBUG) {
            DEBUGGER.debug("ObjectMessage: {}", message);
        }

        producer.send(message);
    } catch (JMSException jx) {
        throw new UtilityException(jx.getMessage(), jx);
    } finally {
        try {
            // Clean up
            if (!(session == null)) {
                session.close();
            }

            if (!(conn == null)) {
                conn.close();
                conn.stop();
            }
        } catch (JMSException jx) {
            ERROR_RECORDER.error(jx.getMessage(), jx);
        }
    }

    return correlationId;
}

From source file:com.webbfontaine.valuewebb.model.util.Utils.java

public static EntityManagerFactory getEntityManagerFactory() {
    InitialContext context = getInitialContext();
    try {/*from   w w  w  . j  a v  a 2 s. c om*/
        return (EntityManagerFactory) context.lookup("java:/ValueWebbEntityManagerFactory");
    } catch (NamingException e) {
        throw Throwables.propagate(e);
    }
}

From source file:org.eclipse.ecr.core.storage.sql.reload.RepositoryReloader.java

public static List<Repository> getRepositories() throws NamingException {
    List<Repository> list = new LinkedList<Repository>();
    InitialContext context = new InitialContext();
    // we search both JBoss-like and Glassfish-like prefixes
    // @see NXCore#getRepository
    for (String prefix : new String[] { "java:NXRepository", "NXRepository" }) {
        NamingEnumeration<Binding> bindings;
        try {/*from ww w.  j  a  v  a  2  s  .  c  o  m*/
            bindings = context.listBindings(prefix);
        } catch (NamingException e) {
            continue;
        }
        for (NamingEnumeration<Binding> e = bindings; e.hasMore();) {
            Binding binding = e.nextElement();
            String name = binding.getName();
            if (binding.isRelative()) {
                name = prefix + '/' + name;
            }
            Object object = context.lookup(name);
            if (!(object instanceof Repository)) {
                continue;
            }
            list.add((Repository) object);
        }
    }
    return list;
}

From source file:com.webbfontaine.valuewebb.model.util.Utils.java

public static Connection getSQLConnection(String name) {
    InitialContext initContext;
    try {/*from   w  w w .  jav  a 2  s.co  m*/
        initContext = new InitialContext();
        DataSource dataSource = (DataSource) initContext.lookup(name);
        return dataSource.getConnection();
    } catch (NamingException e) {
        LOGGER.error("", e);
    } catch (SQLException e) {
        LOGGER.error("", e);
    }
    return null;
}

From source file:org.apache.stratos.adc.topology.mgt.subscriber.TopologySubscriber.java

public static void subscribe(String topicName) {
    Properties initialContextProperties = new Properties();
    TopicSubscriber topicSubscriber = null;
    TopicSession topicSession = null;/* ww  w  .  j av a  2 s. c  o  m*/
    TopicConnection topicConnection = null;
    InitialContext initialContext = null;

    initialContextProperties.put("java.naming.factory.initial",
            "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");

    String mbServerIp = System.getProperty(TopologyConstants.MB_SERVER_IP) == null
            ? TopologyConstants.DEFAULT_MB_SERVER_IP
            : System.getProperty(TopologyConstants.MB_SERVER_IP);

    String connectionString = "amqp://admin:admin@clientID/carbon?brokerlist='tcp://" + mbServerIp
            + "'&reconnect='true'";
    initialContextProperties.put("connectionfactory.qpidConnectionfactory", connectionString);

    try {
        initialContext = new InitialContext(initialContextProperties);
        TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory) initialContext
                .lookup("qpidConnectionfactory");
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        Topic topic = topicSession.createTopic(topicName);
        topicSubscriber = topicSession.createSubscriber(topic);

        topicSubscriber.setMessageListener(new TopologyListener());

    } catch (Exception e) {
        log.error(e.getMessage(), e);

        try {
            if (topicSubscriber != null) {
                topicSubscriber.close();
            }

            if (topicSession != null) {
                topicSession.close();
            }

            if (topicConnection != null) {
                topicConnection.close();
            }
        } catch (JMSException e1) {
            // ignore
        }

    } finally {
        // start the health checker
        Thread healthChecker = new Thread(new TopicHealthChecker(topicName, topicSubscriber));
        healthChecker.start();
    }
}

From source file:org.nuxeo.ecm.core.storage.sql.reload.RepositoryReloader.java

public static List<Repository> getRepositories() throws NamingException {
    List<Repository> list = new LinkedList<Repository>();
    InitialContext context = new InitialContext();
    // we search both JBoss-like and Glassfish-like prefixes
    // @see NXCore#getRepository
    for (String prefix : new String[] { "java:NXRepository", "NXRepository" }) {
        NamingEnumeration<Binding> bindings;
        try {//from  w  w  w.jav  a 2  s .c o  m
            bindings = context.listBindings(prefix);
        } catch (NamingException e) {
            continue;
        }
        NamingEnumeration<Binding> e = null;
        try {
            for (e = bindings; e.hasMore();) {
                Binding binding = e.nextElement();
                String name = binding.getName();
                if (binding.isRelative()) {
                    name = prefix + '/' + name;
                }
                Object object = context.lookup(name);
                if (!(object instanceof Repository)) {
                    continue;
                }
                list.add((Repository) object);
            }
        } finally {
            if (e != null) {
                e.close();
            }
        }
    }
    return list;
}

From source file:org.apache.stratos.lb.endpoint.subscriber.TopologySubscriber.java

public static void subscribe(String topicName) {
    Properties initialContextProperties = new Properties();
    TopicSubscriber topicSubscriber = null;
    TopicSession topicSession = null;//  ww w.  jav  a 2s. c o m
    TopicConnection topicConnection = null;
    InitialContext initialContext = null;

    initialContextProperties.put("java.naming.factory.initial",
            "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");

    String mbServerUrl = null;
    if (ConfigHolder.getInstance().getLbConfig() != null) {
        mbServerUrl = ConfigHolder.getInstance().getLbConfig().getLoadBalancerConfig().getMbServerUrl();
    }
    String connectionString = "amqp://admin:admin@clientID/carbon?brokerlist='tcp://"
            + (mbServerUrl == null ? TopologyConstants.DEFAULT_MB_SERVER_URL : mbServerUrl)
            + "'&reconnect='true'";
    initialContextProperties.put("connectionfactory.qpidConnectionfactory", connectionString);

    try {
        initialContext = new InitialContext(initialContextProperties);
        TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory) initialContext
                .lookup("qpidConnectionfactory");
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        Topic topic = topicSession.createTopic(topicName);
        topicSubscriber = topicSession.createSubscriber(topic);

        topicSubscriber.setMessageListener(new TopologyListener());

    } catch (Exception e) {
        log.error(e.getMessage(), e);

        try {
            if (topicSubscriber != null) {
                topicSubscriber.close();
            }

            if (topicSession != null) {
                topicSession.close();
            }

            if (topicConnection != null) {
                topicConnection.close();
            }
        } catch (JMSException e1) {
            // ignore
        }

    } finally {
        // start the health checker
        Thread healthChecker = new Thread(new TopicHealthChecker(topicName, topicSubscriber));
        healthChecker.start();
    }
}