Example usage for javax.naming Context lookup

List of usage examples for javax.naming Context lookup

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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:BeanServlet.java

public void init() throws ServletException {

    Context env = null;

    try {//from w w w  .  j ava2 s  . c  om
        // Compile error since there is no StockPriceBean.class
        // change the name according to your requirements
        env = (Context) new InitialContext().lookup("java:comp/env");
        spbean = (StockPriceBean) env.lookup("bean/pricebean");

        //close the InitialContext
        env.close();

        if (spbean == null)
            throw new ServletException("bean/pricebean is an unknown JNDI object");

    } catch (NamingException ne) {

        try {
            env.close();
        } catch (NamingException nex) {
        }

        throw new ServletException(ne);

    }

}

From source file:de.zib.gndms.dspace.service.globus.resource.DSpaceResourceBase.java

public DSpaceResourceConfiguration getConfiguration() {
    if (this.configuration != null) {
        return this.configuration;
    }//  www  .java 2  s. com
    MessageContext ctx = MessageContext.getCurrentContext();

    String servicePath = ctx.getTargetService();
    servicePath = servicePath.substring(0, servicePath.lastIndexOf("/"));
    servicePath += "/DSpace";

    String jndiName = Constants.JNDI_SERVICES_BASE_NAME + servicePath + "/configuration";
    logger.debug("Will read configuration from jndi name: " + jndiName);
    try {
        Context initialContext = new InitialContext();
        this.configuration = (DSpaceResourceConfiguration) initialContext.lookup(jndiName);
    } catch (Exception e) {
        logger.error("when performing JNDI lookup for " + jndiName + ": " + e, e);
    }

    return this.configuration;
}

From source file:de.zib.gndms.GORFX.service.globus.resource.GORFXResourceBase.java

public GORFXResourceConfiguration getConfiguration() {
    if (this.configuration != null) {
        return this.configuration;
    }/*from w  w  w . j a  va  2  s.c o  m*/
    MessageContext ctx = MessageContext.getCurrentContext();

    String servicePath = ctx.getTargetService();
    servicePath = servicePath.substring(0, servicePath.lastIndexOf("/"));
    servicePath += "/GORFX";

    String jndiName = Constants.JNDI_SERVICES_BASE_NAME + servicePath + "/configuration";
    logger.debug("Will read configuration from jndi name: " + jndiName);
    try {
        Context initialContext = new InitialContext();
        this.configuration = (GORFXResourceConfiguration) initialContext.lookup(jndiName);
    } catch (Exception e) {
        logger.error("when performing JNDI lookup for " + jndiName + ": " + e, e);
    }

    return this.configuration;
}

From source file:org.apache.ojb.ejb.odmg.StressTest.java

/**
 * Setting up the test fixture./*ww w  .j a  v  a  2 s. co m*/
 */
private void init() throws Exception {
    Context ctx = ContextHelper.getContext();
    times = new long[4];
    try {
        Object object = PortableRemoteObject.narrow(ctx.lookup(ODMGSessionHome.JNDI_NAME), EJBHome.class);
        bean = ((ODMGSessionHome) object).create();
    } catch (Exception e) {
        e.printStackTrace(System.err);
        throw e;
    }
}

From source file:org.apache.ojb.ejb.pb.StressTest.java

/**
 * Setting up the test fixture.//w ww.ja  v  a  2s  .c o m
 */
private void init() throws Exception {
    Context ctx = ContextHelper.getContext();
    times = new long[4];
    try {
        Object object = PortableRemoteObject.narrow(ctx.lookup(PBSessionHome.JNDI_NAME), EJBHome.class);
        bean = ((PBSessionHome) object).create();
    } catch (Exception e) {
        e.printStackTrace(System.err);
        throw e;
    }
}

From source file:org.datacleaner.connection.JdbcDatastore.java

@Override
protected UsageAwareDatastoreConnection<UpdateableDataContext> createDatastoreConnection() {
    if (StringUtils.isNullOrEmpty(_datasourceJndiUrl)) {
        if (isMultipleConnections()) {
            final DataSource dataSource = createDataSource();
            return new DataSourceDatastoreConnection(dataSource, getTableTypes(), _catalogName, this);
        } else {//from www  .  j a va 2 s.  c  o m
            final Connection connection = createConnection();
            final UpdateableDataContext dataContext = new JdbcDataContext(connection, getTableTypes(),
                    _catalogName);
            return new UpdateableDatastoreConnectionImpl<UpdateableDataContext>(dataContext, this);
        }
    } else {
        try {
            Context initialContext = getJndiNamingContext();
            DataSource dataSource = (DataSource) initialContext.lookup(_datasourceJndiUrl);
            return new DataSourceDatastoreConnection(dataSource, getTableTypes(), _catalogName, this);
        } catch (Exception e) {
            logger.error("Could not retrieve DataSource '{}'", _datasourceJndiUrl);
            throw new IllegalStateException(e);
        }
    }
}

From source file:binky.reportrunner.service.impl.DatasourceServiceImpl.java

private DataSource getDs(RunnerDataSource runnerDs)
        throws SecurityException, InstantiationException, IllegalAccessException, ClassNotFoundException,
        PropertyVetoException, NamingException, EncryptionException {

    final String jndiDataSource = runnerDs.getJndiName();

    if (StringUtils.isBlank(jndiDataSource)) {
        EncryptionUtil enc = new EncryptionUtil();
        logger.info("using dbcp pooled connection for: " + runnerDs.getDataSourceName());

        String jdbcUser = runnerDs.getUsername();
        if (StringUtils.isBlank(runnerDs.getPassword()))
            throw new SecurityException("password is empty");
        String jdbcPassword = enc.decrpyt(secureKey, runnerDs.getPassword());

        String jdbcUrl = runnerDs.getJdbcUrl();
        String databaseDriver = runnerDs.getJdbcClass();

        Class.forName(databaseDriver).newInstance();

        BasicDataSource ds1 = new BasicDataSource();
        ds1.setDriverClassName(databaseDriver);
        ds1.setUrl(jdbcUrl);/* ww  w .j a  v a  2 s  . c om*/
        ds1.setUsername(jdbcUser);
        ds1.setPassword(jdbcPassword);
        ds1.setInitialSize(runnerDs.getInitialPoolSize());
        ds1.setMaxActive(runnerDs.getMaxPoolSize());

        ds1.setRemoveAbandoned(true);
        ds1.setRemoveAbandonedTimeout(600);

        // do not want anything updating anything
        ds1.setDefaultReadOnly(true);

        ds1.setLogAbandoned(true);
        ds1.setTestOnBorrow(true);
        ds1.setTestOnReturn(true);
        ds1.setTestWhileIdle(true);

        // does this work across all RBMS? - no it doesn't
        //ds1.setValidationQuery("select 1");
        //ds1.setValidationQueryTimeout(300);

        return ds1;
    } else {
        logger.info(
                "getting datasource from JNDI url: " + jndiDataSource + " for " + runnerDs.getDataSourceName());
        Context initContext = new InitialContext();
        DataSource ds = (DataSource) initContext.lookup("java:/comp/env/" + jndiDataSource);
        return ds;
    }
}

From source file:it.cnr.icar.eric.server.repository.hibernate.RepositoryHibernateUtil.java

@SuppressWarnings("unused")
protected Configuration getConfiguration() {
    if (configuration == null) {
        synchronized (RepositoryHibernateUtil.class) {
            if (configuration == null) {
                try {
                    String cfgResource;
                    DataSource ds = null;

                    boolean useConnectionPool = Boolean
                            .valueOf(RegistryProperties.getInstance()
                                    .getProperty("eric.persistence.rdb.useConnectionPooling", "true"))
                            .booleanValue();
                    boolean debugConnectionPool = Boolean.valueOf(RegistryProperties.getInstance()
                            .getProperty("eric.persistence.rdb.pool.debug", "false")).booleanValue();

                    // Try DataSource first, if configured
                    if (useConnectionPool && !debugConnectionPool) {
                        cfgResource = "/repository.datasource.cfg.xml";
                        configuration = new Configuration().configure(cfgResource);

                        String dataSourceName = configuration.getProperty("connection.datasource");
                        if (dataSourceName != null && !"".equals(dataSourceName)) {
                            try {
                                Context ctx = new InitialContext();
                                if (ctx != null) {
                                    ds = (DataSource) ctx.lookup(dataSourceName);
                                    if (ds != null) {
                                        // create a test connection to
                                        // make sure all is well with
                                        // DataSource
                                        Connection connection = null;
                                        try {
                                            connection = ds.getConnection();
                                        } catch (Exception e) {
                                            ds = null;
                                            log.info(ServerResourceBundle.getInstance().getString(
                                                    "message.UnableToCreateTestConnectionForDataSource",
                                                    new Object[] { dataSourceName }), e);
                                        } finally {
                                            if (connection != null) {
                                                try {
                                                    connection.close();
                                                } catch (Exception e1) {
                                                    //Do nothing.
                                                    connection = null;
                                                }
                                            }
                                        }
                                    }/*from  ww w .jav  a 2s  . c om*/
                                } else {
                                    log.info(ServerResourceBundle.getInstance()
                                            .getString("message.UnableToGetInitialContext"));
                                }
                            } catch (NamingException e) {
                                log.info(ServerResourceBundle.getInstance().getString(
                                        "message.UnableToGetJNDIContextForDataSource",
                                        new Object[] { dataSourceName }));
                            }
                        }
                    }

                    if (ds == null) {
                        // fall back to jdbc
                        cfgResource = "/repository.jdbc.cfg.xml";
                        configuration = new Configuration().configure(cfgResource);
                    }

                    // support $user.home and $eric.home in eric repository cfg
                    String connUrl = configuration.getProperty("hibernate.connection.url");
                    if (connUrl != null && !"".equals(connUrl)) {
                        connUrl = substituteVariable(connUrl, "$user.home", System.getProperty("user.home"));
                        connUrl = substituteVariable(connUrl, "$eric.home",
                                RegistryProperties.getInstance().getProperty("eric.home"));
                        configuration.setProperty("hibernate.connection.url", connUrl);
                    }

                    sessionFactory = configuration.buildSessionFactory();
                } catch (HibernateException ex) {
                    throw new RuntimeException(ServerResourceBundle.getInstance()
                            .getString("message.buildingSessionFactory", new Object[] { ex.getMessage() }), ex);
                }
            }
        }
    }
    return configuration;
}

From source file:com.autentia.intra.util.ConfigurationUtil.java

/**
 * Constructor//from ww  w .  ja va2 s .c o  m
 *
 * @param jndiPathVar JNDI variable in which configuration directory is stored
 * @param file        path to configuration file
 */
public ConfigurationUtil(String jndiPathVar, String file) throws ConfigurationException, NamingException {
    Context ctx = new InitialContext();
    configDir = (String) ctx.lookup(jndiPathVar);
    if (!configDir.endsWith("/") && !configDir.endsWith("\\")) {
        configDir += "/";
    }
    config = new PropertiesConfiguration(configDir + file);
}

From source file:hnu.helper.DataBaseConnection.java

/** Fetches new DataBaseConnection from Pool */
public Connection getDBConnection() {
    Connection conn = null;//from ww w.java  2 s.  c om

    try {
        Context ctx = new InitialContext();
        DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/hnuDB");

        conn = ds.getConnection();
    } catch (Exception sqle) {
        log.error("Couln't get connection from DataSource", sqle);
        //sqle.printStackTrace();
    }

    return conn;
}