Message::Message(const string& xml)
{
XmlParser parser("Parser");
Document doc;
parser.parse(xml, doc);
const Element& message = doc.getRootElement();
if(message.getTagName()!="message")
{
throw InvalidMessageException("No message Tag\n");
}
else if(message.getChildElements().size()!=2)
{
throw InvalidMessageException("Every message should have a headers and body tag\n");
}
Element* headers = message.getChildElements().at(0);
Element* body = message.getChildElements().at(1);
if(headers->getTagName()!="headers")
{
throw InvalidMessageException("No headers Tag\n");
}
else if(body->getTagName()!="body")
{
throw InvalidMessageException("No body Tag\n");
}
Element* destination = headers->getElementByName("destination");
Element* encoding = headers->getElementByName("encoding");
Element* timestamp = headers->getElementByName("timestamp");
Element* priority = headers->getElementByName("priority");
Element* type = headers->getElementByName("type");
Element* userid = headers->getElementByName("userid");
if(destination->getTagName()!="destination")
{
throw InvalidMessageException("Destination Header is mandatory\n");
}
else if (destination->getAttributes().size()!=2)
{
throw InvalidMessageException("Type and Name Attributes should be speciifes for a Destination\n");
}
else if (destination->getAttribute("name")=="" || destination->getAttribute("type")=="")
{
throw InvalidMessageException("Type and Name Attributes cannot be blank for a Destination\n");
}
else if(type->getTagName()!="type")
{
throw InvalidMessageException("Type Header is mandatory\n");
}
Destination des;
des.setName(destination->getAttribute("name"));
des.setType(destination->getAttribute("type"));
this->destination = des;
this->body = body->getText();
this->timestamp = timestamp->getText();
this->type = type->getText();
this->priority = priority->getText();
this->userId = userid->getText();
this->encoding = encoding->getText();
}
Destination *UdpDestination::duplicate()
{
Destination *d = new UdpDestination(ip_addr, port, ignorePort);
if (d && name) d->setName(name);
return d;
}