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.wso2.carbon.uuf.core.API.java

/**
 * Returns the result of the method invocation of the best matched OSGi service.
 *
 * @param serviceClassName  service class name
 * @param serviceMethodName method name/*ww w.j av a  2  s  .  c  om*/
 * @param args              method arguments
 * @return
 */
public static Object callOSGiService(String serviceClassName, String serviceMethodName, Object... args) {
    Object serviceInstance;
    InitialContext initialContext;
    try {
        initialContext = new InitialContext();
    } catch (NamingException e) {
        throw new UUFException(
                "Cannot create the JNDI initial context when calling OSGi service '" + serviceClassName + "'.");
    }

    try {
        serviceInstance = initialContext.lookup("osgi:service/" + serviceClassName);
    } catch (NamingException e) {
        throw new UUFException(
                "Cannot find any OSGi service registered with the name '" + serviceClassName + "'.");
    }

    try {
        return MethodUtils.invokeMethod(serviceInstance, serviceMethodName, args);
    } catch (NoSuchMethodException e) {
        throw new IllegalArgumentException("Cannot find any method with the signature '" + serviceMethodName
                + "(" + joinClassNames(args) + ")' in OSGi service '" + serviceInstance.getClass().getName()
                + "' with service class '" + serviceClassName + "'.");
    } catch (Exception e) {
        throw new UUFException("Invoking method '" + serviceMethodName + "(" + joinClassNames(args)
                + ")' on OSGi service '" + serviceInstance.getClass().getName() + "' with service class '"
                + serviceClassName + "' failed.", e);
    }
}

From source file:org.pepstock.jem.jppf.ExecuteManager.java

/**
 * Merges the output results of all task, only if all tasks ended correctly
 *  // www . ja v  a 2  s.c  om
 * @param results list of tasks ended
 * @throws NamingException 
 * @throws IOException 
 * @throws Exception if any exception occurs
 */
private static void mergeExecutionResults(final List<JPPFTask> results)
        throws JPPFMessageException, NamingException, IOException {
    // sorts to be sure
    // task are ordered by position
    Collections.sort(results, new Comparator<JPPFTask>() {
        @Override
        public int compare(JPPFTask o1, JPPFTask o2) {
            return o1.getPosition() - o2.getPosition();
        }
    });
    // process the results. If there is any exception, throws it
    for (JPPFTask task : results) {
        // if the task execution resulted in an exception
        if (task.getException() != null) {
            LogAppl.getInstance().emit(JPPFMessage.JEMJ005E, task.getId(), task.getException().getMessage());
            throw new JPPFMessageException(JPPFMessage.JEMJ005E, task.getException(), task.getId(),
                    task.getException().getMessage());
        }
    }

    LogAppl.getInstance().emit(JPPFMessage.JEMJ024I);

    // gets merge data description
    String mergedDataDescription = JPPFConfiguration.getProperties()
            .getProperty(Keys.JEM_MERGED_DATA_DESCRIPTION);
    InitialContext ic = ContextUtils.getContext();
    // gets outputstream by JNDI
    Object object = ic.lookup(mergedDataDescription);
    OutputStream os = (OutputStream) object;
    BufferedOutputStream bos = new BufferedOutputStream(os);
    try {
        // scans for merging
        for (JPPFTask task : results) {
            // gets temporary file written by task
            File file = TEMPORARY_FILES.get(task.getPosition());
            // reads and writes data
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            FileUtils.copyFile(file, baos);
            bos.write(baos.toByteArray());

            LogAppl.getInstance().emit(JPPFMessage.JEMJ025I, file.getAbsolutePath(), baos.size());
            baos.close();
        }
        LogAppl.getInstance().emit(JPPFMessage.JEMJ026I);
    } finally {
        // close
        if (bos != null) {
            try {
                bos.close();
            } catch (IOException e) {
                LogAppl.getInstance().ignore(e.getMessage(), e);
            }
        }
    }
}

From source file:org.jbpm.bpel.integration.jms.IntegrationControl.java

private static Context getJmsContext(InitialContext initialContext) {
    Context jmsContext;//from  ww w .ja v a2s . co m
    try {
        jmsContext = (Context) initialContext.lookup(JMS_CONTEXT);
        log.debug("retrieved jms context: " + JMS_CONTEXT);
    } catch (NamingException e) {
        log.debug("jms context not found: " + JMS_CONTEXT);
        jmsContext = initialContext;
        log.debug("fell back on initial context");
    }
    return jmsContext;
}

From source file:org.xsystem.sql2.http.PageServlet2.java

public static <T> T getJndiResource(String path, Class<T> type) {
    try {/*from w  ww .  j a  v  a  2s .  com*/
        InitialContext cxt = new InitialContext();

        Object ret = cxt.lookup(path);

        return (T) ret;
    } catch (NamingException ex) {
        throw new Error(ex);
    }
}

From source file:org.hyperic.hq.plugin.tomcat.JBossUtil.java

public static MBeanServerConnection getMBeanServerConnection(Properties config)
        throws NamingException, RemoteException {
    MBeanServerConnection adaptor;

    Properties props = new Properties();

    for (int i = 0; i < NAMING_PROPS.length; i++) {
        props.setProperty(NAMING_PROPS[i][0], NAMING_PROPS[i][1]);
    }//from   w w w.j a v  a2s.  c o  m

    props.putAll(config);
    props.put("java.naming.provider.url", config.get("jmx.url"));

    if (props.getProperty(Context.SECURITY_PRINCIPAL) != null) {
        props.setProperty(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
    }

    InitialContext ctx = new InitialContext(props);

    try {
        Object o = ctx.lookup(props.getProperty(PROP_NAMING_CONNECTOR));
        log.debug("=> " + Arrays.asList(o.getClass().getInterfaces()));
        adaptor = (MBeanServerConnection) o;
    } finally {
        ctx.close();
    }

    return adaptor;
}

From source file:org.kie.server.integrationtests.shared.KieServerBaseIntegrationTest.java

protected static KieServicesConfiguration createKieServicesJmsConfiguration() {
    try {/*  w  w w. j  a  v a 2 s .  c o  m*/
        InitialContext context = TestConfig.getInitialRemoteContext();

        Queue requestQueue = (Queue) context.lookup(TestConfig.getRequestQueueJndi());
        Queue responseQueue = (Queue) context.lookup(TestConfig.getResponseQueueJndi());
        ConnectionFactory connectionFactory = (ConnectionFactory) context
                .lookup(TestConfig.getConnectionFactory());

        KieServicesConfiguration jmsConfiguration = KieServicesFactory.newJMSConfiguration(connectionFactory,
                requestQueue, responseQueue, TestConfig.getUsername(), TestConfig.getPassword());

        return jmsConfiguration;
    } catch (Exception e) {
        throw new RuntimeException("Failed to create JMS client configuration!", e);
    }
}

From source file:com.jaspersoft.jasperserver.war.common.JasperServerUtil.java

public static Connection getJSDatabaseConnection()
        throws ClassNotFoundException, SQLException, NamingException {
    boolean sqlExcpn = false;
    Connection con = null;// w  w  w  . ja v a2  s. co  m
    try {
        InitialContext cxt = new InitialContext();
        DataSource ds = (DataSource) cxt.lookup(JasperServerConstImpl.getJSDataSrc());
        con = ds.getConnection();
        if (log.isDebugEnabled()) {
            log.debug(
                    "getConnection successful at com.jaspersoft.jasperserver.war.common.JasperServerUtil.getJSDatabaseConnection");
        }
        return con;
    } catch (Exception _ex) {
        if (log.isDebugEnabled()) {
            log.debug(
                    "getConnection FAILED at com.jaspersoft.jasperserver.war.common.JasperServerUtil.getJSDatabaseConnection: "
                            + _ex.getMessage());
        }
        if (log.isErrorEnabled())
            log.error(_ex, _ex);
        sqlExcpn = true;
    } finally {
        if (sqlExcpn) {
            Class.forName(JasperServerConstImpl.getJSConnector());
            con = DriverManager.getConnection(JasperServerConstImpl.getJSUrl(),
                    JasperServerConstImpl.getJSDbUser(), JasperServerConstImpl.getJSDbPasswd());
            return con;
        }
    }
    return con;
}

From source file:com.openkm.jcr.JCRUtils.java

/**
 * Get JCR Session// w  w w .  ja  v  a 2 s.c  o  m
 */
public static Session getSession()
        throws javax.jcr.LoginException, javax.jcr.RepositoryException, DatabaseException {
    Object obj = null;

    try {
        InitialContext ctx = new InitialContext();
        Subject subject = (Subject) ctx.lookup("java:comp/env/security/subject");
        obj = Subject.doAs(subject, new PrivilegedAction<Object>() {
            public Object run() {
                Session s = null;

                try {
                    s = DirectRepositoryModule.getRepository().login();
                } catch (javax.jcr.LoginException e) {
                    return e;
                } catch (javax.jcr.RepositoryException e) {
                    return e;
                }

                return s;
            }
        });
    } catch (NamingException e) {
        throw new javax.jcr.LoginException(e.getMessage());
    }

    if (obj instanceof javax.jcr.LoginException) {
        throw (javax.jcr.LoginException) obj;
    } else if (obj instanceof javax.jcr.RepositoryException) {
        throw (javax.jcr.LoginException) obj;
    } else if (obj instanceof javax.jcr.Session) {
        Session session = (javax.jcr.Session) obj;
        log.debug("#{} - {} Create session {} from {}", new Object[] { ++sessionCreationCount, ++activeSessions,
                session, StackTraceUtils.whoCalledMe() });
        DirectAuthModule.loadUserData(session);
        return session;
    } else {
        return null;
    }
}

From source file:com.ikon.module.jcr.stuff.JCRUtils.java

/**
 * Get JCR Session/*from  www  .  j a  va2  s  . c  o  m*/
 */
public static Session getSession()
        throws javax.jcr.LoginException, javax.jcr.RepositoryException, DatabaseException {
    Subject subject = null;
    Object obj = null;

    // Resolve subject
    // Subject userSubject=(Subject)PolicyContext.getContext("javax.security.auth.Subject.container");
    if (EnvironmentDetector.isServerJBoss()) {
        try {
            InitialContext ctx = new InitialContext();
            subject = (Subject) ctx.lookup("java:/comp/env/security/subject");
            ctx.close();
        } catch (NamingException e) {
            throw new javax.jcr.LoginException(e.getMessage());
        }
    } else if (EnvironmentDetector.isServerTomcat()) {
        subject = Subject.getSubject(AccessController.getContext());
    }

    // Obtain JCR session
    if (subject != null) {
        obj = Subject.doAs(subject, new PrivilegedAction<Object>() {
            public Object run() {
                Session s = null;

                try {
                    s = JcrRepositoryModule.getRepository().login();
                } catch (javax.jcr.LoginException e) {
                    return e;
                } catch (javax.jcr.RepositoryException e) {
                    return e;
                }

                return s;
            }
        });
    }

    // Validate JCR session
    if (obj instanceof javax.jcr.LoginException) {
        throw (javax.jcr.LoginException) obj;
    } else if (obj instanceof javax.jcr.RepositoryException) {
        throw (javax.jcr.RepositoryException) obj;
    } else if (obj instanceof javax.jcr.Session) {
        Session session = (javax.jcr.Session) obj;
        log.debug("#{} - {} Create session {} from {}", new Object[] { ++sessionCreationCount, ++activeSessions,
                session, StackTraceUtils.whoCalledMe() });
        JcrAuthModule.loadUserData(session);
        return session;
    } else {
        return null;
    }
}

From source file:org.firstopen.singularity.util.JMSUtil.java

public static void deliverMessageToTopic(String host, String topicName, String xml) {
    log.debug("IntegrationMod.deliverMessageToQueue queueName = " + topicName + " and doc = " + xml);

    char test = topicName.charAt(0);

    if (test == '/')
        topicName = topicName.substring(1);

    try {/* ww  w. ja  v  a  2s . c  o  m*/

        InitialContext context = JNDIUtil.getInitialContext(host);

        Connection connection = null;
        Session session = null;
        MessageProducer publisher = null;
        ConnectionFactory tcf = (ConnectionFactory) context.lookup("ConnectionFactory");

        Topic topic = (Topic) context.lookup(topicName);

        connection = tcf.createConnection();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        publisher = session.createProducer(topic);

        TextMessage message = session.createTextMessage();

        log.debug("message value is -> " + xml);

        message.setText(xml);

        publisher.send(message);

    } catch (Exception e) {
        log.error("unable to send message on topic", e);
    } finally {

    }
}