if (_logger.isDebugEnabled())
{
_logger.debug("Request to declare exchange of type " + body.getType() + " with name " + exchangeName);
}
ExchangeImpl exchange;
if(isDefaultExchange(exchangeName))
{
if(!new AMQShortString(ExchangeDefaults.DIRECT_EXCHANGE_CLASS).equals(body.getType()))
{
throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare default exchange: "
+ " of type "
+ ExchangeDefaults.DIRECT_EXCHANGE_CLASS
+ " to " + body.getType() +".",
body.getClazz(), body.getMethod(),
body.getMajor(), body.getMinor(),null);
}
}
else
{
if (body.getPassive())
{
exchange = virtualHost.getExchange(exchangeName.toString());
if(exchange == null)
{
throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange: " + exchangeName);
}
else if (!(body.getType() == null || body.getType().length() ==0) && !exchange.getType().equals(body.getType().asString()))
{
throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare exchange: " +
exchangeName + " of type " + exchange.getType()
+ " to " + body.getType() +".",body.getClazz(), body.getMethod(),body.getMajor(),body.getMinor(),null);
}
}
else
{
try
{
String name = exchangeName == null ? null : exchangeName.intern().toString();
String type = body.getType() == null ? null : body.getType().intern().toString();
Map<String,Object> attributes = new HashMap<String, Object>();
if(body.getArguments() != null)
{
attributes.putAll(FieldTable.convertToMap(body.getArguments()));
}
attributes.put(org.apache.qpid.server.model.Exchange.ID, null);
attributes.put(org.apache.qpid.server.model.Exchange.NAME,name);
attributes.put(org.apache.qpid.server.model.Exchange.TYPE,type);
attributes.put(org.apache.qpid.server.model.Exchange.DURABLE, body.getDurable());
attributes.put(org.apache.qpid.server.model.Exchange.LIFETIME_POLICY,
body.getAutoDelete() ? LifetimePolicy.DELETE_ON_NO_LINKS : LifetimePolicy.PERMANENT);
if(!attributes.containsKey(org.apache.qpid.server.model.Exchange.ALTERNATE_EXCHANGE))
{
attributes.put(org.apache.qpid.server.model.Exchange.ALTERNATE_EXCHANGE, null);
}
exchange = virtualHost.createExchange(attributes);
}
catch(ReservedExchangeNameException e)
{
throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
"Attempt to declare exchange: " + exchangeName +
" which begins with reserved prefix.");
}
catch(ExchangeExistsException e)
{
exchange = e.getExistingExchange();
if(!new AMQShortString(exchange.getType()).equals(body.getType()))
{
throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare exchange: "
+ exchangeName + " of type "
+ exchange.getType()
+ " to " + body.getType() +".",
body.getClazz(), body.getMethod(),
body.getMajor(), body.getMinor(),null);
}
}