Examples of org.apache.qpid.protocol.AMQConstant

org.apache.qpid.protocol.AMQConstant
Defines constants for AMQP codes and also acts as a factory for creating such constants from the raw codes. Each constant also defines a short human readable description of the constant. @todo Why would a constant be defined that is not in the map? Seems more natural that getConstant should raise anexception for an unknown constant. Or else provide an explanation of why this is so. Also, there is no way for callers to determine the unknown status of a code except by comparing its name to "unknown code", which would seem to render this scheme a little bit pointless? @todo Java has a nice enum construct for doing this sort of thing. Maybe this is done in the old style for Java 1.4backward compatability? Now that is handled through retrotranslater it may be time to use enum.
CRC Card Responsibilities Collaborations Define the set of AMQP status codes. Provide a factory to lookup constants by their code.

    public void methodReceived(AMQProtocolSession session,  ChannelCloseBody method, int channelId)
        throws AMQException
    {
        _logger.debug("ChannelClose method received");


        AMQConstant errorCode = AMQConstant.getConstant(method.getReplyCode());
        AMQShortString reason = method.getReplyText();
        if (_logger.isDebugEnabled())
        {
            _logger.debug("Channel close reply code: " + errorCode + ", reason: " + reason);
        }

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        {
            je = (JMSException) cause;
        }
        else
        {
            AMQConstant code = null;


            if (cause instanceof AMQException)
            {
                code = ((AMQException) cause).getErrorCode();
            }


            if (code != null)
            {
                je = new JMSException("Exception thrown against " + toString() + ": " + cause, Integer.toString(code.getCode()));
            }
            else
            {
                //Should never get here as all AMQEs are required to have an ErrorCode!
                // Other than AMQDisconnectedEx!

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        _logger.info("ConnectionClose frame received");


        // does it matter
        // stateManager.changeState(AMQState.CONNECTION_CLOSING);


        AMQConstant errorCode = AMQConstant.getConstant(method.getReplyCode());
        AMQShortString reason = method.getReplyText();


        AMQException error = null;


        try

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    public void methodReceived(AMQProtocolSession session,  ChannelCloseBody method, int channelId)
        throws AMQException
    {
        _logger.debug("ChannelClose method received");


        AMQConstant errorCode = AMQConstant.getConstant(method.getReplyCode());
        AMQShortString reason = method.getReplyText();
        if (_logger.isDebugEnabled())
        {
            _logger.debug("Channel close reply code: " + errorCode + ", reason: " + reason);
        }

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            Exception linkedException = e.getLinkedException();
            assertNotNull("There was no linked exception", linkedException);
            Throwable cause = linkedException.getCause();
            assertNotNull("Cause was null", cause);
            assertTrue("Wrong linked exception type", cause instanceof AMQException);
            AMQConstant errorCode = isBroker010() ? AMQConstant.CONTEXT_IN_USE : AMQConstant.ACCESS_REFUSED;
            assertEquals("Incorrect error code received", errorCode, ((AMQException) cause).getErrorCode());
        }
    }

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                {
                    // Bounced message is processed here, away from the mina thread
                    AbstractJMSMessage bouncedMessage =
                            _messageFactoryRegistry.createMessage(0, false, msg.getExchange(),
                                                                  msg.getRoutingKey(), msg.getContentHeader(), msg.getBodies());
                    AMQConstant errorCode = AMQConstant.getConstant(msg.getReplyCode());
                    AMQShortString reason = msg.getReplyText();
                    _logger.debug("Message returned with error code " + errorCode + " (" + reason + ")");


                    // @TODO should this be moved to an exception handler of sorts. Somewhere errors are converted to correct execeptions.
                    if (errorCode == AMQConstant.NO_CONSUMERS)

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        {
            je = (JMSException) cause;
        }
        else
        {
            AMQConstant code = null;


            if (cause instanceof AMQException)
            {
                code = ((AMQException) cause).getErrorCode();
            }


            if (code != null)
            {
                je = new JMSException(Integer.toString(code.getCode()), "Exception thrown against " + toString() + ": " + cause);
            }
            else
            {
                //Should never get here as all AMQEs are required to have an ErrorCode!
                // Other than AMQDisconnectedEx!

View Full Code Here

        {
            je = (JMSException) cause;
        }
        else
        {
            AMQConstant code = null;


            if (cause instanceof AMQException)
            {
                code = ((AMQException) cause).getErrorCode();
            }


            if (code != null)
            {
                je = new JMSException("Exception thrown against " + toString() + ": " + cause, Integer.toString(code.getCode()));
            }
            else
            {
                //Should never get here as all AMQEs are required to have an ErrorCode!
                // Other than AMQDisconnectedEx!

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    JMSException toJMSException(String message, AMQException e)
    {
        JMSException ex;


        AMQConstant errorCode = e.getErrorCode();
        if (errorCode == AMQConstant.ACCESS_REFUSED)
        {
            ex = new JMSSecurityException(message, String.valueOf(errorCode.getCode()));
        }
        else
        {
            ex = new JMSException(message, errorCode == null ? null : String.valueOf(errorCode.getCode()));
        }
        ex.initCause(e);


        ex.setLinkedException(e);
        return ex;

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        Exception linkedException = e.getLinkedException();
        assertNotNull("There was no linked exception", linkedException);
        Throwable cause = linkedException.getCause();
        assertNotNull("Cause was null", cause);
        assertTrue("Wrong linked exception type", cause instanceof AMQException);
        AMQConstant errorCode = isBroker010() ? AMQConstant.CONNECTION_FORCED : AMQConstant.ACCESS_REFUSED;
        assertEquals("Incorrect error code received", errorCode, ((AMQException) cause).getErrorCode());
    }

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