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:demo.learn.shiro.util.SqlUtil.java

/**
 * Gets the JNDI {@link DataSource}. Look at
 * %webroot%/META-INF/context.xml./*from www.java  2  s .  c  om*/
 * @return {@link DataSource}.
 */
public static DataSource getJndiDataSource() {
    if (null == _jndiDataSource) {
        try {
            Context context = new InitialContext();
            _jndiDataSource = (DataSource) context.lookup(C.JNDI_DATASOURCE_NAME);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    return _jndiDataSource;
}

From source file:com.codeasylum.stress.api.OuroborosImpl.java

public static Ouroboros getRemoteInterface(String rmiHost) throws NamingException {

    Ouroboros ouroboros;/*from  w w w . j  av a2 s  .c o  m*/
    InitialContext initContext;
    Context rmiContext;

    initContext = new InitialContext();
    rmiContext = (Context) initContext.lookup("rmi://" + rmiHost + ':' + registryPort.get());
    ouroboros = (Ouroboros) PortableRemoteObject.narrow(rmiContext.lookup(Ouroboros.class.getName()),
            Ouroboros.class);
    rmiContext.close();
    initContext.close();

    return ouroboros;
}

From source file:JNDIUtil.java

/**
 * Create a context path recursively.//from  w w  w .  j  av  a 2s. com
 */
public static Context createContext(Context c, String path) throws NamingException {
    Context crtContext = c;
    for (StringTokenizer st = new StringTokenizer(path, "/"); st.hasMoreTokens();) {
        String tok = st.nextToken();

        try {
            Object o = crtContext.lookup(tok);
            if (!(o instanceof Context)) {
                throw new NamingException("Path " + path + " overwrites and already bound object");
            }
            crtContext = (Context) o;
            continue;
        } catch (NameNotFoundException e) {
            // OK
        }
        crtContext = crtContext.createSubcontext(tok);
    }
    return crtContext;
}

From source file:com.wso2telco.mnc.resolver.mncrange.McnRangeDbUtil.java

/**
 * Initialize datasources./*from  w  w w  .  j av  a2s  .  c  o  m*/
 *
 * @throws MobileNtException the mobile nt exception
 */
public static void initializeDatasources() throws MobileNtException {
    if (axiataDatasource != null) {
        return;
    }

    try {
        Context ctx = new InitialContext();
        axiataDatasource = (DataSource) ctx.lookup(AXIATA_DATA_SOURCE);
    } catch (NamingException e) {
        handleException("Error while looking up the data source: " + AXIATA_DATA_SOURCE, e);
    }
}

From source file:ar.com.zauber.commons.spring.configurers.JndiInitialContextHelper.java

/** dado paths jndi retorna archivos de propiedades */
public static Resource[] getJndiLocations(final String[] filePathJndiNames) {

    final ResourceLoader resourceLoader = new DefaultResourceLoader();

    try {/*from w  ww.j ava2s . c o  m*/
        final InitialContext initCtx = new InitialContext();
        final Resource[] locations = new Resource[filePathJndiNames.length];
        boolean found = false;

        try {
            final Context envCtx = (Context) initCtx.lookup("java:comp/env");
            for (int i = 0; i < filePathJndiNames.length; i++) {
                locations[i] = resourceLoader.getResource((String) envCtx.lookup(filePathJndiNames[i]));
            }
            found = true;
        } catch (final NamingException e) {
            LOGGER.warn("Error JNDI looking up 'java:comp/env':" + e.getExplanation());
            // void
        }

        if (!found) {
            // Para Jetty 7 Server
            try {
                for (int i = 0; i < filePathJndiNames.length; i++) {
                    locations[i] = resourceLoader.getResource((String) initCtx.lookup(filePathJndiNames[i]));
                }
            } catch (final NamingException e) {
                LOGGER.warn("Hubo un error en el lookup de JNDI. Se usaran " + "properties del classpath: "
                        + e.getExplanation());
                return null;
            }
        }

        return locations;
    } catch (final NamingException e) {
        LOGGER.warn("Hubo un error en el lookup de JNDI. Se usaran " + "properties del classpath: "
                + e.getExplanation());
        return null;
    }
}

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

/**
 * A Factory method to build a reference to this interface.
 * @return/*from  w w w . j av  a2 s  .c  o m*/
 */
public static ServiceRecordPersistencyRemote getInstance() {
    Log log = LogFactory.getLog(ServiceRecordPersistencyImpl.class);
    try {
        Context jndiContext = new javax.naming.InitialContext();
        ServiceRecordPersistencyRemote dao_r = (ServiceRecordPersistencyRemote) PortableRemoteObject.narrow(
                jndiContext.lookup("testbed/ServiceRecordPersistencyImpl/remote"),
                ServiceRecordPersistencyRemote.class);
        return dao_r;
    } catch (NamingException e) {
        log.error("Failure in getting PortableRemoteObject: " + e.toString());
        return null;
    }
}

From source file:org.jboss.as.quickstarts.secured.ejb.remote.client.RemoteEJBClient.java

/**
 * Looks up and returns the proxy to remote stateful counter bean
 * //from www .  ja  v a2  s .  c  o m
 * @return
 * @throws NamingException
 */
private static RemoteCounter lookupRemoteStatefulCounter() throws NamingException {
    final Context context = getInitialContext();

    return (RemoteCounter) context.lookup(STR_EJB_PREFFIX + lookupString + STR_SLASH_SEPARATOR + ctrBeanString
            + STR_EXCLAM_SEPARATOR + RemoteCounter.class.getName() + STR_STATEFUL_SUFFIX);
}

From source file:org.jboss.as.quickstarts.secured.ejb.remote.client.RemoteEJBClient.java

/**
 * Looks up and returns the proxy to remote stateless calculator bean
 * /*from  w  ww  .  j  ava  2s.  c  om*/
 * @return
 * @throws NamingException
 */
private static RemoteCalculator lookupRemoteStatelessCalculator() throws NamingException {
    final Context context = getInitialContext();
    return (RemoteCalculator) context.lookup(STR_EJB_PREFFIX + lookupString + STR_SLASH_SEPARATOR
            + calcBeanString + STR_EXCLAM_SEPARATOR + RemoteCalculator.class.getName());
}

From source file:eu.eubrazilcc.lvl.core.conf.ConfigurationFinder.java

/**
 * Finds available configuration files, searching the different sources in the following order:
 * <ol>/*from  w  ww . j a  v a  2  s .  c  o m*/
 *   <li>Application environment;</li>
 *   <li>JNDI context;</li>
 *   <li>Default location in the file-system locally available to the application; and finally</li>
 *   <li>If none of the above works, configuration files are returned from the resources available 
 *       in the application class path.</li>
 * </ol>
 * @return configuration files available to the application
 */
public final static ImmutableList<URL> findConfigurationFiles() {
    ImmutableList<File> configFiles = null;
    // try to read environment variable and retrieve configuration files from the file system
    try {
        final String location = getenv(ENV_HOME_VAR) + "/etc";
        if (isNotBlank(location) && testConfigurationFiles(location, CONFIGURATION_FILENAMES)) {
            configFiles = convertPathListToFiles(location, CONFIGURATION_FILENAMES);
            LOGGER.trace("Environment variable '" + ENV_HOME_VAR + "' found. Configuration files: "
                    + filesToString(configFiles));
        } else {
            LOGGER.trace("Environment variable '" + ENV_HOME_VAR + "' was not found");
        }
    } catch (Exception ignore) {
    }
    // try to read from JNDI context
    if (configFiles == null) {
        try {
            final Context initCtx = new InitialContext();
            final Context envCtx = (Context) initCtx.lookup("java:comp/env");
            final String location = (String) envCtx.lookup(ENV_HOME_VAR) + "/etc";
            if (isNotBlank(location) && testConfigurationFiles(location, CONFIGURATION_FILENAMES)) {
                configFiles = convertPathListToFiles(location, CONFIGURATION_FILENAMES);
                LOGGER.trace("JNDI context variable '" + DEFAULT_LOCATION + "' found. Configuration files: "
                        + filesToString(configFiles));
            } else {
                LOGGER.trace("JNDI context variable '" + DEFAULT_LOCATION + "' was not found");
            }
        } catch (Exception e) {
            LOGGER.trace(
                    "Failed to search for configuration files in JNDI context variable: '" + ENV_HOME_VAR + "'",
                    e);
        }
    }
    // try to retrieve configuration files from the default location
    if (configFiles == null) {
        try {
            final String location = DEFAULT_LOCATION + "/etc";
            if (isNotBlank(location) && testConfigurationFiles(location, CONFIGURATION_FILENAMES)) {
                configFiles = convertPathListToFiles(location, CONFIGURATION_FILENAMES);
                LOGGER.trace("Default location '" + DEFAULT_LOCATION + "' found. Configuration files: "
                        + filesToString(configFiles));
            } else {
                LOGGER.trace("Default location '" + DEFAULT_LOCATION + "' was not found");
            }
        } catch (Exception e) {
            LOGGER.warn("Failed to search for configuration files in default location: " + DEFAULT_LOCATION, e);
        }
    }
    // return default configuration files
    if (configFiles == null) {
        return getDefaultConfiguration();
    } else {
        return from(configFiles).transform(new Function<File, URL>() {
            @Override
            public URL apply(final File file) {
                URL url = null;
                if (file != null) {
                    try {
                        url = file.toURI().toURL();
                    } catch (MalformedURLException e) {
                        LOGGER.warn("Ignoring file: " + file.getName(), e);
                    }
                }
                return url;
            }
        }).filter(notNull()).toList();
    }
}

From source file:com.xpn.xwiki.internal.XWikiCfgConfigurationSource.java

/**
 * @return the location where to find the configuration
 *//*w  ww .  ja  v a2  s  .co m*/
public static String getConfigPath() {
    String configurationLocation;

    try {
        Context envContext = (Context) new InitialContext().lookup("java:comp/env");
        configurationLocation = (String) envContext.lookup(CFG_ENV_NAME);
    } catch (Exception e) {
        configurationLocation = "/etc/xwiki/xwiki.cfg";
        if (!new File(configurationLocation).exists()) {
            configurationLocation = "/WEB-INF/xwiki.cfg";
        }
    }

    return configurationLocation;
}