Example usage for javax.naming Context getEnvironment

Introduction

In this page you can find the example usage for javax.naming Context getEnvironment.

Prototype

public Hashtable<?, ?> getEnvironment() throws NamingException;

Source Link

Document

Retrieves the environment in effect for this context.

Usage

From source file:org.wso2.carbon.deployment.notifier.internal.JMSUtils.java

/**
 * Return the JMS destination with the given destination name looked up from the context
 * Borrowed generiously from axis2 jms transport implementation
 *
 * @param context the Context to lookup//from  ww w .  j  a  va2  s .c om
 * @param destinationName name of the destination to be looked up
 * @param destinationType type of the destination to be looked up
 * @return the JMS destination, or null if it does not exist
 */
public static Destination lookupDestination(Context context, String destinationName, String destinationType)
        throws NamingException {
    try {
        return lookup(context, Destination.class, destinationName);
    } catch (NameNotFoundException e) {
        Properties initialContextProperties = new Properties();
        if (context.getEnvironment() != null) {
            if (context.getEnvironment().get(Context.INITIAL_CONTEXT_FACTORY) != null) {
                initialContextProperties.put(Context.INITIAL_CONTEXT_FACTORY,
                        context.getEnvironment().get(Context.INITIAL_CONTEXT_FACTORY));
            }
            if (context.getEnvironment().get(Context.PROVIDER_URL) != null) {
                initialContextProperties.put(Context.PROVIDER_URL,
                        context.getEnvironment().get(Context.PROVIDER_URL));
            }
        }
        if (Constants.DESTINATION_TYPE_TOPIC.equalsIgnoreCase(destinationType)) {
            initialContextProperties.put(Constants.TOPIC_PREFIX + destinationName, destinationName);
        } else {
            initialContextProperties.put(Constants.QUEUE_PREFIX + destinationName, destinationName);
        }
        InitialContext initialContext = new InitialContext(initialContextProperties);
        try {
            return lookup(initialContext, Destination.class, destinationName);
        } catch (NamingException e1) {
            return lookup(context, Destination.class,
                    (Constants.DESTINATION_TYPE_TOPIC.equalsIgnoreCase(destinationType) ? "dynamicTopics/"
                            : "dynamicQueues/") + destinationName);
        }
    }
}

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From source file:org.wso2.carbon.inbound.endpoint.protocol.jms.JMSUtils.java

/**
 * Return the JMS destination with the given destination name looked up from the context
 *
 * @param context         the Context to lookup
 * @param destinationName name of the destination to be looked up
 * @param destinationType type of the destination to be looked up
 * @return the JMS destination, or null if it does not exist
 *//*w  w  w.  ja v  a  2  s  . c  om*/
public static Destination lookupDestination(Context context, String destinationName, String destinationType)
        throws NamingException {
    if (destinationName == null) {
        return null;
    }

    try {
        return JMSUtils.lookup(context, Destination.class, destinationName);
    } catch (NameNotFoundException e) {
        try {
            Properties initialContextProperties = new Properties();
            if (context.getEnvironment() != null) {
                if (context.getEnvironment().get(JMSConstants.NAMING_FACTORY_INITIAL) != null) {
                    initialContextProperties.put(JMSConstants.NAMING_FACTORY_INITIAL,
                            context.getEnvironment().get(JMSConstants.NAMING_FACTORY_INITIAL));
                }
                if (context.getEnvironment().get(JMSConstants.CONNECTION_STRING) != null) {
                    initialContextProperties.put(JMSConstants.CONNECTION_STRING,
                            context.getEnvironment().get(JMSConstants.CONNECTION_STRING));
                }
                if (context.getEnvironment().get(JMSConstants.PROVIDER_URL) != null) {
                    initialContextProperties.put(JMSConstants.PROVIDER_URL,
                            context.getEnvironment().get(JMSConstants.PROVIDER_URL));
                }
            }
            if (JMSConstants.DESTINATION_TYPE_TOPIC.equalsIgnoreCase(destinationType)) {
                initialContextProperties.put(JMSConstants.TOPIC_PREFIX + destinationName, destinationName);
            } else if (JMSConstants.DESTINATION_TYPE_QUEUE.equalsIgnoreCase(destinationType)
                    || JMSConstants.DESTINATION_TYPE_GENERIC.equalsIgnoreCase(destinationType)) {
                initialContextProperties.put(JMSConstants.QUEUE_PREFIX + destinationName, destinationName);
            }
            InitialContext initialContext = new InitialContext(initialContextProperties);
            try {
                return JMSUtils.lookup(initialContext, Destination.class, destinationName);
            } catch (NamingException e1) {
                return JMSUtils.lookup(context, Destination.class,
                        (JMSConstants.DESTINATION_TYPE_TOPIC.equalsIgnoreCase(destinationType)
                                ? "dynamicTopics/"
                                : "dynamicQueues/") + destinationName);
            }

        } catch (NamingException x) {
            log.warn("Cannot locate destination : " + destinationName);
            throw x;
        }
    } catch (NamingException e) {
        log.warn("Cannot locate destination : " + destinationName, e);
        throw e;
    }
}

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From source file:org.wso2.intcloud.tierapi.util.DataSourceJDBC.java

public static Connection getConnection() {
    Connection conn = null;/*from  ww  w. j a v  a2s .  c  om*/
    try {
        Context initCtx = new InitialContext();
        SelectorContext selectorContext = new SelectorContext(
                (Hashtable<String, Object>) initCtx.getEnvironment(), false);
        Context envCtx = (Context) selectorContext.lookup("java:comp/env");

        DataSource ds = (DataSource) envCtx.lookup("jdbc/WSO2IntCloud");

        conn = ds.getConnection();

    } catch (NamingException e) {
        String msg = "Error while connecting to Data Source ";
        log.error(msg, e);
    } catch (SQLException e) {
        String msg = "Error while getting connection to Data Base ";
        log.error(msg, e);
    }
    return conn;
}

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