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:org.bibsonomy.rest.RestProperties.java

private static String getByJndi(final String name, final Context ctx) {
    if (ctx == null) {
        return null;
    }/*w ww  . ja  v a2s  .c  o m*/
    try {
        return (String) ctx.lookup(name);
    } catch (final NamingException ex) {
        if (log.isDebugEnabled()) {
            log.debug("cannot retrieve java:/comp/env/" + name);
        }
        return null;
    }
}

From source file:org.apache.stratos.adc.mgt.utils.StratosDBUtils.java

/**
 * Initializes the data source//from w  w  w .  java  2  s.c o  m
 * 
 * @throws RuntimeException
 *             if an error occurs while loading DB configuration
 */
public static void initialize() throws Exception {
    if (dataSource != null) {
        return;
    }

    synchronized (StratosDBUtils.class) {
        if (dataSource == null) {

            String datasourceName = System.getProperty(CartridgeConstants.DB_DATASOURCE);

            if (datasourceName != null && datasourceName.trim().length() > 0) {
                if (log.isInfoEnabled()) {
                    log.info("Initializing data source: " + datasourceName);
                }
                try {
                    Context ctx = new InitialContext();
                    dataSource = (DataSource) ctx.lookup(datasourceName);
                    if (dataSource != null && log.isInfoEnabled()) {
                        log.info("Found data source: " + datasourceName + ", "
                                + dataSource.getClass().getName());
                    }
                } catch (NamingException e) {
                    throw new RuntimeException("Error while looking up the data source: " + datasourceName, e);
                }
            } else {
                // FIXME Should we use system properties to get database
                // details?
                String dbUrl = System.getProperty(CartridgeConstants.DB_URL);
                String driver = System.getProperty(CartridgeConstants.DB_DRIVER);
                String username = System.getProperty(CartridgeConstants.DB_USERNAME);
                String password = System.getProperty(CartridgeConstants.DB_PASSWORD);

                if (dbUrl == null || driver == null || username == null || password == null) {
                    String msg = "Required DB configuration parameters are not specified.";
                    log.warn(msg);
                    throw new RuntimeException(msg);
                }

                if (log.isInfoEnabled()) {
                    log.info("Initializing data source for JDBC URL: " + dbUrl);
                }

                PoolProperties p = new PoolProperties();
                p.setUrl(dbUrl);
                p.setDriverClassName(driver);
                p.setUsername(username);
                p.setPassword(password);
                p.setJmxEnabled(true);
                p.setTestWhileIdle(false);
                p.setTestOnBorrow(true);
                p.setValidationQuery("SELECT 1");
                p.setTestOnReturn(false);
                p.setValidationInterval(30000);
                p.setTimeBetweenEvictionRunsMillis(30000);
                p.setMaxActive(100);
                p.setInitialSize(10);
                p.setMaxWait(10000);
                p.setRemoveAbandonedTimeout(60);
                p.setMinEvictableIdleTimeMillis(30000);
                p.setMinIdle(10);
                p.setLogAbandoned(true);
                p.setRemoveAbandoned(true);
                p.setDefaultAutoCommit(false);
                p.setJdbcInterceptors("org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;"
                        + "org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer");
                DataSource tomcatDatasource = new DataSource();
                tomcatDatasource.setPoolProperties(p);

                dataSource = tomcatDatasource;
            }

        }
    }
}

From source file:br.gov.jfrj.siga.persistencia.oracle.JDBCUtilOracle.java

public static Connection getConnectionPool(final String dataSource) {

    Context initContext = null;
    Context envContext = null;//from ww w .j  a v  a  2 s.c o  m
    Connection conn = null;

    try {
        JDBCUtilOracle.log.debug("Criando variavel de contexto");
        initContext = new InitialContext();

        envContext = (Context) initContext.lookup("java:/comp/env");
        JDBCUtilOracle.log.debug("Criando datasource ");
        final DataSource ds = (DataSource) envContext.lookup(dataSource);
        conn = ds.getConnection();

    } catch (final NamingException e) {
        JDBCUtilOracle.log.error(Messages.getString("Oracle.LookUpErro"));
        System.err.print(Messages.getString("Oracle.LookUpErro") + e.getMessage());

    } catch (final SQLException ex) {
        System.err.print(Messages.getString("Oracle.SQLErro") + ex.getMessage());
    }
    return conn;
}

From source file:gov.nih.nci.logging.api.util.HibernateUtil.java

private static DataSource getDataSource(String jndiName) throws Exception {
    Context ctx = new InitialContext();
    if (ctx == null) {
        throw new Exception("No Context available");
    }/*  w ww . j av a  2  s  .  c om*/
    return (DataSource) ctx.lookup(jndiName);
}

From source file:ca.nrc.cadc.db.DBUtil.java

/**
 * Find a JNDI DataSource in the specified context.
 * /*w w w  .  j  a  v a  2  s  .  c om*/
 * @param dataSource
 * @param envContextName
 * @return
 * @throws NamingException 
 */
public static DataSource findJNDIDataSource(String dataSource, String envContextName) throws NamingException {
    log.debug("getDataSource: " + dataSource);
    Context initContext = new InitialContext();
    Context envContext = (Context) initContext.lookup(envContextName);
    DataSource ds = (DataSource) envContext.lookup(dataSource);

    return ds;
}

From source file:dsd.dao.DAOProvider.java

/**
 * //w ww  .ja  v a2  s. c om
 * @return
 */
public static DataSource getDataSource() {
    try {
        if (dataSource == null) {
            Context ctx = new InitialContext();
            dataSource = (DataSource) ctx.lookup("java:comp/env/jdbc/RTBMconnection");
        }
    } catch (NamingException e) {
        e.printStackTrace();
    }
    return dataSource;
}

From source file:eu.planets_project.tb.gui.UserBean.java

/**
 * Create a user manager:// w  w w. j a  v  a  2 s  . c om
 * @return
 */
public static UserManager getUserManager() {
    try {
        Context jndiContext = getInitialContext();
        UserManager um = (UserManager) PortableRemoteObject
                .narrow(jndiContext.lookup("planets-project.eu/UserManager/remote"), UserManager.class);
        return um;
    } catch (NamingException e) {
        log.error("Failure in getting PortableRemoteObject: " + e.toString());
        return null;
    }
}

From source file:ca.nrc.cadc.db.DBUtil.java

/**
 * Create a JNDI DataSOurce resource with the specified name and environment context.
 * //w  ww  .j av a 2 s. c o m
 * @param dataSourceName
 * @param envContextName
 * @param config
 * @throws NamingException 
 */
public static void createJNDIDataSource(String dataSourceName, String envContextName, ConnectionConfig config)
        throws NamingException {
    log.debug("createDataSource: " + dataSourceName + " START");
    StandaloneContextFactory.initJNDI();

    Context initContext = new InitialContext();
    Context envContext = (Context) initContext.lookup(envContextName);
    if (envContext == null) {
        envContext = initContext.createSubcontext(envContextName);
    }
    log.debug("env: " + envContext);

    DataSource ds = getDataSource(config);
    envContext.bind(dataSourceName, ds);
    log.debug("createDataSource: " + dataSourceName + " DONE");
}

From source file:eu.planets_project.tb.impl.persistency.TestbedServiceTemplatePersistencyImpl.java

/**
 * A Factory method to build a reference to this interface.
 * @return/*w  ww.  j  a  v a  2 s  .  c o m*/
 */
public static TestbedServiceTemplatePersistencyRemote getInstance() {
    Log log = LogFactory.getLog(TestbedServiceTemplatePersistencyImpl.class);
    try {
        Context jndiContext = new javax.naming.InitialContext();
        TestbedServiceTemplatePersistencyRemote dao_r = (TestbedServiceTemplatePersistencyRemote) PortableRemoteObject
                .narrow(jndiContext.lookup("testbed/TestbedServiceTemplatePersistencyImpl/remote"),
                        TestbedServiceTemplatePersistencyRemote.class);
        return dao_r;
    } catch (NamingException e) {
        log.error("Failure in getting PortableRemoteObject: " + e.toString());
        return null;
    }
}

From source file:org.jboss.processFlow.knowledgeService.QuartzSchedulerService.java

public static void start() throws Exception {
    Context jndiContext;
    jndiContext = new InitialContext();
    kSessionProxy = (IBaseKnowledgeSession) jndiContext.lookup(IBaseKnowledgeSession.BASE_JNDI);
    scheduler = StdSchedulerFactory.getDefaultScheduler();
    scheduler.start();//ww  w.j a v a 2s. com
}