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.fon.documentmanagementsystem.config.AppConfig.java

@Bean
public DataSource dataSource() throws NamingException {
    Context initCtx = new InitialContext();
    Context envCtx = (Context) initCtx.lookup("java:comp/env");
    DataSource ds = (DataSource) envCtx.lookup("jdbc/nst");
    return ds;/*from   w  w w . ja v  a2 s. co  m*/
}

From source file:org.gss_project.gss.server.BaseServlet.java

/**
 * A helper method that retrieves a reference to the ExternalAPI bean and
 * stores it for future use.//from www .  j  a  v  a  2 s . com
 *
 * @return an ExternalAPI instance
 * @throws RpcException in case an error occurs
 */
protected ExternalAPI getService() throws RpcException {
    try {
        final Context ctx = new InitialContext();
        final Object ref = ctx.lookup(getConfiguration().getString("externalApiPath"));
        return (ExternalAPI) PortableRemoteObject.narrow(ref, ExternalAPI.class);
    } catch (final NamingException e) {
        logger.error("Unable to retrieve the ExternalAPI EJB", e);
        throw new RpcException("An error occurred while contacting the naming service");
    }
}

From source file:wtw.ui.GetChartAction.java

private ProjectManager lookupProjectManagerBean() {
    try {/*  w ww . j  a  v  a2  s .c  o  m*/
        Context c = new InitialContext();
        return (ProjectManager) c.lookup("java:global/WorkToWorker/ProjectManager!wtw.biz.ProjectManager");
    } catch (NamingException ne) {
        Logger.getLogger(getClass().getName()).log(Level.SEVERE, "exception caught", ne);
        throw new RuntimeException(ne);
    }
}

From source file:com.janrain.utils.BackplaneSystemProps.java

private void load(String paramName, boolean required) {
    String result = System.getProperty(paramName);
    if (StringUtils.isBlank(result)) {
        try {//w  w  w.ja  v  a2 s.  c  o m
            javax.naming.Context initCtx = new InitialContext();
            result = (String) initCtx.lookup("java:comp/env/" + paramName);
            System.setProperty(paramName, result);
            System.out.println(
                    "Parameter " + paramName + " fetched from context and inserted as system property");
        } catch (Exception e) {
            //continue
            if (required) {
                System.out.println("An error occurred trying to locate required parameter " + paramName + " => "
                        + e.getMessage());
            }
        }
    } else {
        System.out.println("Parameter " + paramName + " exists as a system property");
    }
}

From source file:com.alliander.osgp.webdevicesimulator.application.config.WebDeviceSimulatorInitializer.java

@Override
public void onStartup(final ServletContext servletContext) throws ServletException {
    try {/*  w  w  w . ja va2s.c o m*/
        // Force the timezone of application to UTC (required for
        // Hibernate/JDBC)
        TimeZone.setDefault(TimeZone.getTimeZone("UTC"));

        final Context initialContext = new InitialContext();

        final String logLocation = (String) initialContext
                .lookup("java:comp/env/osp/webDeviceSimulator/log-config");
        LogbackConfigurer.initLogging(logLocation);
        InternalLoggerFactory.setDefaultFactory(new Slf4JLoggerFactory());

        final AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(ApplicationContext.class);

        final ServletRegistration.Dynamic dispatcher = servletContext.addServlet(DISPATCHER_SERVLET_NAME,
                new DispatcherServlet(rootContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping(DISPATCHER_SERVLET_MAPPING);

        servletContext.addListener(new ContextLoaderListener(rootContext));
    } catch (final NamingException e) {
        throw new ServletException("naming exception", e);
    } catch (final FileNotFoundException e) {
        throw new ServletException("Logging file not found", e);
    } catch (final JoranException e) {
        throw new ServletException("Logback exception", e);
    }
}

From source file:com.flexive.core.Database.java

private static DataSource getDataSource(String dataSourceName, boolean useDefaultDataSource)
        throws NamingException, SQLException {
    if (dataSourcesByName.containsKey(dataSourceName)) {
        return dataSourcesByName.get(dataSourceName);
    }//  w  w w  . j  a va 2 s.  com
    final Context c = EJBLookup.getInitialContext();
    DataSource dataSource = null;
    for (String path : getPossibleJndiNames(dataSourceName)) {
        try {
            dataSource = (DataSource) c.lookup(path);
            break;
        } catch (NamingException e) {
            // pass
        }
    }
    if (dataSource == null) {
        // Geronimo
        String name = dataSourceName;
        if (name.startsWith("jdbc/")) {
            name = name.substring(5);
        }
        Object o = null;
        try {
            o = c.lookup("jca:/console.dbpool/" + name + "/JCAManagedConnectionFactory/" + name);
            dataSource = (DataSource) o.getClass().getMethod("$getResource").invoke(o);
        } catch (NamingException e) {
            // pass
        } catch (NoSuchMethodException e) {
            if (o instanceof DataSource) {
                return (DataSource) o;
            }
            String sErr = "Unable to retrieve Connection to [" + dataSourceName
                    + "]: JNDI resource is no DataSource and method $getResource not found!";
            LOG.error(sErr);
            throw new SQLException(sErr);
        } catch (Exception ex) {
            String sErr = "Unable to retrieve Connection to [" + dataSourceName + "]: " + ex.getMessage();
            LOG.error(sErr);
            throw new SQLException(sErr);
        }
    }
    if (dataSource == null && useDefaultDataSource && !dataSourceName.contains("/flexiveTest")) {
        dataSource = tryGetDefaultDataSource(c,
                GlobalConfigurationEngineBean.DEFAULT_DS
                        + (dataSourceName.endsWith(NO_TX_SUFFIX) ? NO_TX_SUFFIX : ""),
                new DefaultDivisionDataSourceInitializer());
    }
    if (dataSource == null) {
        // throw exception with the base datasource name, not the last looked-up path
        throw new NamingException("JNDI data source not found: " + dataSourceName);
    }
    dataSourcesByName.put(dataSourceName, dataSource);
    return dataSource;
}

From source file:de.highbyte_le.weberknecht.db.DefaultWebDbConnectionProvider2.java

public DefaultWebDbConnectionProvider2(String jdbcContextName) throws NamingException {
    //JNDI-Context
    Context ctx = new InitialContext();
    Context envCtx = (Context) ctx.lookup("java:comp/env");

    //JNDI-Lookup for jdbc connection
    this.datasource = (DataSource) envCtx.lookup(jdbcContextName);

    this.type = DbType.MYSQL; //FIXME implement some property handling for db type
}

From source file:minor.eft.ETFQuote.java

private ETFDetailsFacadeLocal lookupETFDetailsFacadeLocal() {
    try {/* ww  w . java  2s .  c om*/
        Context c = new InitialContext();
        return (ETFDetailsFacadeLocal) c
                .lookup("java:global/MinorTest/ETFDetailsFacade!minor.session.ETFDetailsFacadeLocal");
    } catch (NamingException ne) {
        Logger.getLogger(getClass().getName()).log(Level.SEVERE, "exception caught", ne);
        throw new RuntimeException(ne);
    }
}

From source file:net.sf.jasperreports.data.jndi.JndiDataAdapterService.java

@Override
public void contributeParameters(Map<String, Object> parameters) throws JRException {
    JndiDataAdapter jndiDataAdapter = getJndiDataAdapter();
    if (jndiDataAdapter != null) {

        try {//from w w  w.  ja  va  2s. c o m
            Context ctx = new InitialContext();
            DataSource dataSource = (DataSource) ctx
                    .lookup("java:comp/env/" + jndiDataAdapter.getDataSourceName());
            connection = dataSource.getConnection();
        } catch (Exception ex) {
            throw new JRException(ex);
        }

        parameters.put(JRParameter.REPORT_CONNECTION, connection);
    }
}

From source file:nu.kelvin.jfileshare.servlets.FileDownloadServlet.java

@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    try {//from w  w w .java2 s.co m
        Context env = (Context) new InitialContext().lookup("java:comp/env");
        ds = (DataSource) env.lookup("jdbc/jfileshare");
    } catch (NamingException e) {
        throw new ServletException(e);
    }
}