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:de.mpg.mpdl.inge.xmltransforming.TestBase.java

/**
 * Helper method to retrieve a EJB service instance. The name to be passed to the method is
 * normally 'ServiceXY.SERVICE_NAME'./*from   w  ww  . j  ava 2 s. co m*/
 * 
 * @param serviceName The name of the service, e.g.
 *        "ejb.de.mpg.mpdl.inge.xmltransforming.XmlTransforming"
 * 
 * @return instance of the EJB service
 * 
 * @throws NamingException Thrown if the service is not found.
 */
protected static Object getService(String serviceName) throws NamingException {
    InitialContext context = new InitialContext();
    Object serviceInstance = context.lookup(serviceName);
    assertNotNull(serviceInstance);
    return serviceInstance;
}

From source file:org.jboss.spring.support.SpringInjectionSupport.java

/**
 * @param jndiName      the JNDI location of the Spring context relative to
 *                      'java:' on JBoss AS5 and JBoss AS6 and 'java:jboss' on JBoss AS7
 * @param expectedClass the expected type of the retrieved object
 * @return//  ww  w .ja va  2  s .  co  m
 */
private <T> T lookup(String jndiName, Class<T> expectedClass) {
    Object instance;
    try {
        InitialContext initialContext = new InitialContext();
        instance = initialContext.lookup(jndiName);
        if (!(expectedClass.isAssignableFrom(instance.getClass()))) {
            throw new IllegalArgumentException("Cannot retrieve an " + expectedClass.getName() + " from "
                    + jndiName + " - a " + instance.getClass().getName() + " found instead");
        }
    } catch (NamingException e) {
        throw new IllegalStateException(e);
    }
    return expectedClass.cast(instance);
}

From source file:com.sun.socialsite.business.DatabaseProvider.java

/**
 * Reads configuraiton, loads driver or locates data-source and attempts
 * to get test connecton so that we can fail early.
 *///from   w  w  w  .  j a v a 2 s.  c  o  m
public DatabaseProvider() throws StartupException {

    String connectionTypeString = Config.getProperty("database.configurationType");
    if ("jdbc".equals(connectionTypeString)) {
        type = ConfigurationType.JDBC_PROPERTIES;
    }
    jndiName = Config.getProperty("database.jndi.name");
    jdbcDriverClass = Config.getProperty("database.jdbc.driverClass");
    jdbcConnectionURL = Config.getProperty("database.jdbc.connectionURL");
    jdbcUsername = Config.getProperty("database.jdbc.username");
    jdbcPassword = Config.getProperty("database.jdbc.password");

    successMessage("SUCCESS: Got parameters. Using configuration type " + type);

    // If we're doing JDBC then attempt to load JDBC driver class
    if (getType() == ConfigurationType.JDBC_PROPERTIES) {
        successMessage("-- Using JDBC driver class: " + jdbcDriverClass);
        successMessage("-- Using JDBC connection URL: " + jdbcConnectionURL);
        successMessage("-- Using JDBC username: " + jdbcUsername);
        successMessage("-- Using JDBC password: [hidden]");
        try {
            Class.forName(getJdbcDriverClass());
        } catch (ClassNotFoundException ex) {
            String errorMsg = "ERROR: cannot load JDBC driver class [" + getJdbcDriverClass() + "]. "
                    + "Likely problem: JDBC driver jar missing from server classpath.";
            errorMessage(errorMsg);
            throw new StartupException(errorMsg, ex, startupLog);
        }
        successMessage("SUCCESS: loaded JDBC driver class [" + getJdbcDriverClass() + "]");

        if (getJdbcUsername() != null || getJdbcPassword() != null) {
            props = new Properties();
            if (getJdbcUsername() != null)
                props.put("user", getJdbcUsername());
            if (getJdbcPassword() != null)
                props.put("password", getJdbcPassword());
        }

        // Else attempt to locate JNDI datasource
    } else {
        String name = "java:comp/env/" + getJndiName();
        successMessage("-- Using JNDI datasource name: " + name);
        try {
            InitialContext ic = new InitialContext();
            dataSource = (DataSource) ic.lookup(name);
        } catch (NamingException ex) {
            String errorMsg = "ERROR: cannot locate JNDI DataSource [" + name + "]. "
                    + "Likely problem: no DataSource or datasource is misconfigured.";
            errorMessage(errorMsg);
            throw new StartupException(errorMsg, ex, startupLog);
        }
        successMessage("SUCCESS: located JNDI DataSource [" + name + "]");
    }

    // So far so good. Now, can we get a connection?
    try {
        Connection testcon = getConnection();
        testcon.close();
    } catch (Throwable t) {
        String errorMsg = "ERROR: unable to obtain database connection. "
                + "Likely problem: bad connection parameters or database unavailable.";
        errorMessage(errorMsg);
        throw new StartupException(errorMsg, t, startupLog);
    }
}

From source file:org.apache.roller.planet.business.DatabaseProvider.java

/**
 * Reads configuraiton, loads driver or locates data-source and attempts
 * to get test connecton so that we can fail early.
 *//*from  www . j  a v a2  s  .  c  o m*/
public DatabaseProvider() throws StartupException {

    String connectionTypeString = PlanetConfig.getProperty("database.configurationType");
    if ("jdbc".equals(connectionTypeString)) {
        type = ConfigurationType.JDBC_PROPERTIES;
    }
    jndiName = PlanetConfig.getProperty("database.jndi.name");
    jdbcDriverClass = PlanetConfig.getProperty("database.jdbc.driverClass");
    jdbcConnectionURL = PlanetConfig.getProperty("database.jdbc.connectionURL");
    jdbcUsername = PlanetConfig.getProperty("database.jdbc.username");
    jdbcPassword = PlanetConfig.getProperty("database.jdbc.password");

    successMessage("SUCCESS: Got parameters. Using configuration type " + type);

    // If we're doing JDBC then attempt to load JDBC driver class
    if (getType() == ConfigurationType.JDBC_PROPERTIES) {
        successMessage("-- Using JDBC driver class: " + jdbcDriverClass);
        successMessage("-- Using JDBC connection URL: " + jdbcConnectionURL);
        successMessage("-- Using JDBC username: " + jdbcUsername);
        successMessage("-- Using JDBC password: [hidden]");
        try {
            Class.forName(getJdbcDriverClass());
        } catch (ClassNotFoundException ex) {
            String errorMsg = "ERROR: cannot load JDBC driver class [" + getJdbcDriverClass() + "]. "
                    + "Likely problem: JDBC driver jar missing from server classpath.";
            errorMessage(errorMsg);
            throw new StartupException(errorMsg, ex, startupLog);
        }
        successMessage("SUCCESS: loaded JDBC driver class [" + getJdbcDriverClass() + "]");

        if (getJdbcUsername() != null || getJdbcPassword() != null) {
            props = new Properties();
            if (getJdbcUsername() != null)
                props.put("user", getJdbcUsername());
            if (getJdbcPassword() != null)
                props.put("password", getJdbcPassword());
        }

        // Else attempt to locate JNDI datasource
    } else {
        String name = "java:comp/env/" + getJndiName();
        successMessage("-- Using JNDI datasource name: " + name);
        try {
            InitialContext ic = new InitialContext();
            dataSource = (DataSource) ic.lookup(name);
        } catch (NamingException ex) {
            String errorMsg = "ERROR: cannot locate JNDI DataSource [" + name + "]. "
                    + "Likely problem: no DataSource or datasource is misconfigured.";
            errorMessage(errorMsg);
            throw new StartupException(errorMsg, ex, startupLog);
        }
        successMessage("SUCCESS: located JNDI DataSource [" + name + "]");
    }

    // So far so good. Now, can we get a connection?
    try {
        Connection testcon = getConnection();
        testcon.close();
    } catch (Throwable t) {
        String errorMsg = "ERROR: unable to obtain database connection. "
                + "Likely problem: bad connection parameters or database unavailable.";
        errorMessage(errorMsg);
        throw new StartupException(errorMsg, t, startupLog);
    }
}

From source file:org.apache.roller.weblogger.business.DatabaseProvider.java

/**
 * Reads configuraiton, loads driver or locates data-source and attempts
 * to get test connecton so that we can fail early.
 *///  ww  w. j av  a  2 s  .c o m
public DatabaseProvider() throws StartupException {

    String connectionTypeString = WebloggerConfig.getProperty("database.configurationType");
    if ("jdbc".equals(connectionTypeString)) {
        type = ConfigurationType.JDBC_PROPERTIES;
    }
    jndiName = WebloggerConfig.getProperty("database.jndi.name");
    jdbcDriverClass = WebloggerConfig.getProperty("database.jdbc.driverClass");
    jdbcConnectionURL = WebloggerConfig.getProperty("database.jdbc.connectionURL");
    jdbcUsername = WebloggerConfig.getProperty("database.jdbc.username");
    jdbcPassword = WebloggerConfig.getProperty("database.jdbc.password");

    successMessage("SUCCESS: Got parameters. Using configuration type " + type);

    // If we're doing JDBC then attempt to load JDBC driver class
    if (getType() == ConfigurationType.JDBC_PROPERTIES) {
        successMessage("-- Using JDBC driver class: " + jdbcDriverClass);
        successMessage("-- Using JDBC connection URL: " + jdbcConnectionURL);
        successMessage("-- Using JDBC username: " + jdbcUsername);
        successMessage("-- Using JDBC password: [hidden]");
        try {
            Class.forName(getJdbcDriverClass());
        } catch (ClassNotFoundException ex) {
            String errorMsg = "ERROR: cannot load JDBC driver class [" + getJdbcDriverClass() + "]. "
                    + "Likely problem: JDBC driver jar missing from server classpath.";
            errorMessage(errorMsg);
            throw new StartupException(errorMsg, ex, startupLog);
        }
        successMessage("SUCCESS: loaded JDBC driver class [" + getJdbcDriverClass() + "]");

        if (getJdbcUsername() != null || getJdbcPassword() != null) {
            props = new Properties();
            if (getJdbcUsername() != null)
                props.put("user", getJdbcUsername());
            if (getJdbcPassword() != null)
                props.put("password", getJdbcPassword());
        }

        // Else attempt to locate JNDI datasource
    } else {
        String name = (getJndiName().indexOf(":") == -1 ? "java:comp/env/" + getJndiName() : getJndiName());
        successMessage("-- Using JNDI datasource name: " + name);
        try {
            InitialContext ic = new InitialContext();
            dataSource = (DataSource) ic.lookup(name);
        } catch (NamingException ex) {
            String errorMsg = "ERROR: cannot locate JNDI DataSource [" + name + "]. "
                    + "Likely problem: no DataSource or datasource is misconfigured.";
            errorMessage(errorMsg);
            throw new StartupException(errorMsg, ex, startupLog);
        }
        successMessage("SUCCESS: located JNDI DataSource [" + name + "]");
    }

    // So far so good. Now, can we get a connection?
    try {
        Connection testcon = getConnection();
        testcon.close();
    } catch (Throwable t) {
        String errorMsg = "ERROR: unable to obtain database connection. "
                + "Likely problem: bad connection parameters or database unavailable.";
        errorMessage(errorMsg);
        throw new StartupException(errorMsg, t, startupLog);
    }
}

From source file:com.ocpsoft.pretty.faces.el.resolver.CDIBeanNameResolver.java

/**
 * Tries to get the BeanManager from JNDI
 * //from   w w w  .  ja va 2  s  .  c  o  m
 * @param jndiName
 *           The JNDI name used for lookup
 * @return BeanManager instance or <code>null</code>
 */
private Object getBeanManagerFromJNDI(String jndiName) {

    try {
        // perform lookup
        InitialContext initialContext = new InitialContext();
        Object obj = initialContext.lookup(jndiName);

        if (log.isTraceEnabled()) {
            log.trace("Found BeanManager in: " + jndiName);
        }

        return obj;

    } catch (NamingException e) {
        if (log.isDebugEnabled()) {
            log.debug("Unable to get BeanManager from '" + jndiName + "': " + e.getMessage());
        }
    }

    return null;
}

From source file:org.overlord.sramp.governance.services.NotificationResource.java

/**
 * Constructor.//from  w w  w . j  a  v a  2s  . c om
 * @throws NamingException
 */
public NotificationResource() {
    InitialContext context;
    try {
        String jndiEmailRef = governance.getJNDIEmailName();
        context = new InitialContext();
        mailSession = (Session) context.lookup(jndiEmailRef);
        if (mailSession == null) {
            logger.error(Messages.i18n.format("NotificationResource.JndiLookupFailed", jndiEmailRef)); //$NON-NLS-1$
        }
    } catch (NamingException e) {
        logger.error(e.getMessage(), e);
    }

}

From source file:org.wso2.carbon.custom.connector.EJBFactory.java

public Object getEJBObject(MessageContext ctx, String jndiName) {
    EJB2Init ejb2Init = new EJB2Init();
    InitialContext context;
    Object obj = null;/*from   w  ww . jav  a2  s . c o  m*/
    try {
        context = ejb2Init.getInitialContext();
        obj = context.lookup(getParameter(ctx, jndiName).toString());
    } catch (NoClassDefFoundError e) {
        handleException("Failed lookup because of ", ctx);
    } catch (NamingException e) {
        handleException("Failed lookup because of ", e, ctx);
    }
    EJBHome beanHome = (EJBHome) javax.rmi.PortableRemoteObject.narrow(obj, EJBHome.class);
    Method m = null;
    try {
        m = beanHome.getClass().getDeclaredMethod(EJBConstance.CREATE);
    } catch (NoSuchMethodException e) {
        handleException("There is no create method ", ctx);
    }
    Object ejbObj = null;
    try {
        if (m != null) {
            ejbObj = m.invoke(beanHome);
        } else {
            handleException("ejb home is missing", ctx);
        }
    } catch (IllegalAccessException e) {
        handleException("", e, ctx);
    } catch (InvocationTargetException e) {
        handleException("", e, ctx);
    }
    return ejbObj;
}

From source file:org.nimbustools.messaging.gt4_0.common.NimbusMasterContext.java

/**
 * @return TimerManager, never null//w w  w .j  av  a2s . co  m
 * @throws Exception could not locate
 */
public TimerManager discoverTimerManager() throws Exception {

    InitialContext ctx = null;
    try {
        ctx = new InitialContext();

        final TimerManager timerManager = (TimerManager) ctx.lookup(Constants.DEFAULT_TIMER);

        if (timerManager == null) {
            // should be NameNotFoundException if missing
            throw new Exception("null from JNDI for TimerManager (?)");
        }

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

From source file:org.eclipse.ecr.automation.core.mail.Mailer.java

public Session getSession() {
    if (session == null) {
        synchronized (this) {
            if (session == null) {
                if (sessionName != null) {
                    try {
                        InitialContext ic = new InitialContext();
                        session = (Session) ic.lookup(sessionName);
                    } catch (NamingException e) {
                        log.warn("Failed to lookup mail session using JNDI name " + sessionName
                                + ". Falling back on local configuration.");
                        session = Session.getInstance(config, auth);
                    }//  w w  w.  j a v  a2  s  .  c  o m
                } else {
                    session = Session.getInstance(config, auth);
                }
            }
        }
    }
    return session;
}