Example usage for javax.naming Context lookup

Introduction

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

Prototype

public Object lookup(String name) throws NamingException;

Source Link

Document

Retrieves the named object.

Usage

From source file:org.globus.examples.services.filebuy.seller.impl.FilesForSaleFactoryService.java

protected ResourceHome getInstanceResourceHome() throws NoResourceHomeException, ResourceContextException {
    ResourceHome home;/*w w w . j a  v a  2 s  .c  om*/
    ResourceContext ctx;
    FilesForSaleConfiguration config;

    // The path for the instance service is contained in the configuration object
    try {
        config = FilesForSaleConfiguration.getConfObject();
    } catch (Exception e) {
        throw new NoResourceHomeException(
                "Unable to access configuration object to retrieve instance service path.");
    }
    String instanceService = config.getInstanceServicePath();

    // Lookup resource home
    String homeLoc = Constants.JNDI_SERVICES_BASE_NAME + instanceService + "/home";
    try {
        Context initialContext = new InitialContext();
        home = (ResourceHome) initialContext.lookup(homeLoc);
    } catch (NameNotFoundException e) {
        throw new NoResourceHomeException();
    } catch (NamingException e) {
        throw new ResourceContextException("", e);
    }

    return home;
}

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From source file:org.apache.wookie.beans.jpa.JPAPersistenceManager.java

/**
 * Initialize implementation with configuration.
 * //from  w  ww . j a  v  a2s  .  c  om
 * @param configuration
 *            configuration properties
 * @param initializeStore
 *            truncate and initialize persistent store
 */
public static void initialize(Configuration configuration, boolean initializeStore) {
    try {
        // configuration
        cacheSize = configuration.getString(PERSISTENCE_MANAGER_CACHE_SIZE_PROPERTY_NAME);
        dbType = configuration.getString(PERSISTENCE_MANAGER_DB_TYPE_PROPERTY_NAME);
        dictionaryType = ((dbType != null) ? DB_TYPE_TO_JPA_DICTIONARY_MAP.get(dbType) : null);
        if ((dbType != null) && (dictionaryType == null)) {
            throw new IllegalArgumentException("Unsupported database type: " + dbType);
        }

        // initialize persistent store
        if (initializeStore && (dbType != null)) {
            // get datasource connection
            Context initialContext = new InitialContext();
            DataSource dataSource = (DataSource) initialContext
                    .lookup(WIDGET_DATABASE_JNDI_DATASOURCE_FULL_NAME);
            Connection connection = dataSource.getConnection();
            connection.setAutoCommit(true);

            // execute initialization scripts
            String sqlScriptResource = dbType + "-wookie-schema.sql";
            InputStream sqlStream = JPAPersistenceManager.class.getResourceAsStream(sqlScriptResource);
            if (sqlStream == null) {
                throw new IllegalArgumentException(
                        "Unsupported persistent store initialization script: " + sqlScriptResource);
            }
            SQLScriptReader reader = new SQLScriptReader(sqlStream);
            int statementCount = 0;
            int statementErrorCount = 0;
            for (;;) {
                String scriptStatement = reader.readSQLStatement();
                if (scriptStatement != null) {
                    Statement statement = connection.createStatement();
                    statementCount++;
                    try {
                        statement.execute(scriptStatement);
                    } catch (SQLException sqle) {
                        statementErrorCount++;
                    }
                } else {
                    break;
                }
            }
            logger.info("Persistent store initialized from " + sqlScriptResource + ", (" + statementCount
                    + " statements, " + statementErrorCount + " errors)");

            // close datasource connection
            connection.close();
        }

        // initialize entity manager factory
        Properties persistenceProperties = new Properties();
        InputStream propertiesStream = JPAPersistenceManager.class
                .getResourceAsStream("persistence.properties");
        if (propertiesStream == null) {
            throw new IllegalArgumentException("Unable to load configuration: persistence.properties");
        }
        persistenceProperties.load(propertiesStream);
        if (cacheSize != null) {
            int dataCacheSize = Integer.parseInt(cacheSize);
            persistenceProperties.setProperty("openjpa.DataCache",
                    "true(CacheSize=" + dataCacheSize + ",SoftReferenceSize=0)");
            int queryCacheSize = Integer.parseInt(cacheSize) / 10;
            persistenceProperties.setProperty("openjpa.QueryCache",
                    "CacheSize=" + queryCacheSize + ",SoftReferenceSize=0");
        }
        if (dictionaryType != null) {
            persistenceProperties.setProperty("openjpa.jdbc.DBDictionary", dictionaryType);
        }
        EntityManagerFactory factory = Persistence.createEntityManagerFactory("wookie", persistenceProperties);
        entityManagerFactory = OpenJPAPersistence.cast(factory);

        logger.info("Initialized");
    } catch (Exception e) {
        throw new RuntimeException("Unable to initialize 1: " + e, e);
    }
}

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From source file:org.apache.juddi.v3.auth.jboss.JBossAuthenticator.java

private void init() throws NamingException, ConfigurationException {
    String securityDomain = AppConfig.getConfiguration().getString(Property.JUDDI_SECURITY_DOMAIN,
            Property.DEFAULT_SECURITY_DOMAIN);

    // lookup the authentication manager.
    Context ctx = new InitialContext();
    authManager = (AuthenticationManager) ctx.lookup(securityDomain);
    ctx.close();//from w w w .ja  va  2 s. co  m
}

---

From source file:Controllers.myAppointmentController.java

public Appointment[] fetchAppointments(java.sql.Date date) {

    Appointment[] Appoint = null;//from   ww  w  . ja v  a  2  s . c  om

    try {
        Context ctx = new InitialContext();
        DataSource ds = (DataSource) ctx.lookup("jdbc/medicalCareDataSource");
        connection = ds.getConnection();

        PreparedStatement pstmt = connection
                .prepareStatement("SELECT appointments.message," + "FROM appointments JOIN accounts\n"
                        + "WHERE appointments.date = ? and email=${sessionScope.user};");

        pstmt.setDate(1, date);

        ResultSet resultSet = pstmt.executeQuery();

        List<Appointment> appointmentsList = new ArrayList<Appointment>();
        while (resultSet.next()) {
            Appointment appoint = new Appointment();
            appoint.setAppointmentId(resultSet.getInt("appointmentId"));
            appoint.setMessage(resultSet.getString("message"));
            appoint.setDepartmentId(resultSet.getInt("depoartmentId"));

            appointmentsList.add(appoint);
        }

        Appoint = new Appointment[appointmentsList.size()];
        Appoint = appointmentsList.toArray(Appoint);

        pstmt.close();

    } catch (NamingException ex) {
        Logger.getLogger(AppointmentController.class.getName()).log(Level.SEVERE, null, ex);
    } catch (SQLException ex) {
        Logger.getLogger(AppointmentController.class.getName()).log(Level.SEVERE, null, ex);
    }

    return Appoint;
}

---

From source file:com.sktelecom.cep.notebook.repo.JDBCNotebookRepo.java

public JDBCNotebookRepo(ZeppelinConfiguration conf) throws IOException, NamingException {
    this.conf = conf;

    Context ctx = new InitialContext();
    dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/cepDS");
    this.jdbcTemplate = new JdbcTemplate(dataSource);
}

---

From source file:it.infn.ct.futuregateway.apiserver.APIContextListener.java

@Override
public final void contextInitialized(final ServletContextEvent sce) {
    log.info("Creation of the Hibernate SessionFactory for the context");
    try {//from  w ww  .  j a  v a2  s  . co  m
        entityManagerFactory = Persistence
                .createEntityManagerFactory("it.infn.ct.futuregateway.apiserver.container");
    } catch (Exception ex) {
        log.warn("Resource 'jdbc/FutureGatewayDB' not accessuible or"
                + " not properly configured for the application. An"
                + " alternative resource is created on the fly.");
        entityManagerFactory = Persistence.createEntityManagerFactory("it.infn.ct.futuregateway.apiserver.app");
    }
    sce.getServletContext().setAttribute(Constants.SESSIONFACTORY, entityManagerFactory);
    String path = sce.getServletContext().getInitParameter("CacheDir");
    if (path == null || path.isEmpty()) {
        path = sce.getServletContext().getRealPath("/") + ".." + FileSystems.getDefault().getSeparator() + ".."
                + FileSystems.getDefault().getSeparator() + "FutureGatewayData";
    }
    log.info("Created the cache directory: " + path);
    sce.getServletContext().setAttribute(Constants.CACHEDIR, path);
    try {
        Files.createDirectories(Paths.get(path));
        log.info("Cache dir enabled");
    } catch (FileAlreadyExistsException faee) {
        log.debug("Message for '" + path + "':" + faee.getMessage());
        log.info("Cache dir enabled");
    } catch (Exception e) {
        log.error("Impossible to initialise the temporary store");
    }
    ExecutorService tpe;
    try {
        Context ctx = new InitialContext();
        tpe = (ExecutorService) ctx.lookup("java:comp/env/threads/Submitter");
    } catch (NamingException ex) {
        log.warn("Submitter thread not defined in the container. A thread "
                + "pool is created using provided configuration parameters " + "and defaults values");
        int threadPoolSize = Constants.DEFAULTTHREADPOOLSIZE;
        try {
            threadPoolSize = Integer
                    .parseInt(sce.getServletContext().getInitParameter("SubmissioneThreadPoolSize"));
        } catch (NumberFormatException nfe) {
            log.info("Parameter 'SubmissioneThreadPoolSize' has a wrong"
                    + " value or it is not present. Default value " + "10 is used");
        }
        tpe = ThreadPoolFactory.getThreadPool(threadPoolSize, Constants.MAXTHREADPOOLSIZETIMES * threadPoolSize,
                Constants.MAXTHREADIDLELIFE);
    }
    sce.getServletContext().setAttribute(Constants.SUBMISSIONPOOL, tpe);
}

---

From source file:org.accada.epcis.repository.query.QueryInitServlet.java

/**
 * Loads the data source from the application context via JNDI.
 * /*from   w w w .ja v a 2 s.c  om*/
 * @param jndiName
 *            The name of the JNDI data source holding the connection to the
 *            database.
 * @return The application DataSource instance.
 */
private DataSource loadDataSource(String jndiName) {
    DataSource dataSource = null;
    try {
        Context ctx = new InitialContext();
        dataSource = (DataSource) ctx.lookup(jndiName);
        LOG.info("Loaded data source via JNDI from " + jndiName);
    } catch (NamingException e) {
        LOG.error("Unable to load data source via JNDI from " + jndiName, e);
    }
    return dataSource;
}

---

From source file:org.spring.data.gemfire.app.dao.provider.DatabaseGemstoneDao.java

@PostConstruct
public void init() {
    try {/*  w  w  w.ja v  a  2  s  .  c  o  m*/
        Context jndiContext = getCache().getJNDIContext();
        Object dataSourceObject = jndiContext.lookup(GEMFIREDB_JNDI_LOCATION);

        Assert.isTrue(dataSourceObject instanceof DataSource,
                String.format("Expected a javax.sql.DataSource object; but was %1$s%n",
                        ObjectUtils.nullSafeClassName(dataSourceObject)));

        databaseTemplate = new JdbcTemplate((DataSource) dataSourceObject);

        System.out.printf("%1$s initialized!%n", getClass().getSimpleName());
    } catch (NamingException e) {
        throw new InitializationException(
                String.format("Failed to initialize %1$s!", getClass().getSimpleName()), e);
    }
}

---

From source file:com.mycompany.FacebookManager.java

public FacebookManager() {
    byteStream = new ByteArrayOutputStream();

    try {/*from  www. java  2 s  . c  om*/
        javax.naming.Context con = new InitialContext();
        facade = (EmpeopleFacadeRemote) con.lookup("com.mycompany.EmpeopleFacadeRemote");
        faceManager = (FaceManagerRemote) con.lookup("com.mycompany.FaceManagerRemote");
    } catch (NamingException ex) {
        Logger.getLogger(FacebookManager.class.getName()).log(Level.SEVERE, null, ex);
    }

    this.peopleList = facade.findAll();
}

---

From source file:com.commoncoupon.mail.EmailProcessor.java

/**
 * Retrieves a Mail session from Tomcat's Resource Factory (JNDI)
 *//* ww  w .ja v a  2 s .  c  o m*/
protected Session getSession() {
    Session session = null;
    try {
        Context envCtx = (Context) (new InitialContext()).lookup("java:comp/env/");
        session = (Session) envCtx.lookup("mail/Session");
        /*If you get exception here remove activation.jar and mail.jar from web-inf lib
        *It should be present in only tomcat/lib
        */
        log.info("Returning session");
    } catch (NamingException ex) {
        log.error("cannot locate resource named 'mail/Session'.", ex);
        Properties props = new Properties();
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.starttls.enable", "true");
        props.put("mail.smtp.host", "smtp.gmail.com");
        props.put("mail.smtp.port", "587");
        // Get the Session object.
        session = Session.getInstance(props, new javax.mail.Authenticator() {
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication("search2let@gmail.com", "Tol3t@dm!n321");
            }
        });
    }
    return session;
}

---

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