Hello Edgard,
If your application should only convert XMLHL7 messages into classic HL7
messages you do not need an explicit cast to a special kind or version
of message.
Just use the ca.uhn.hl7v2.model.Message interface
ca.uhn.hl7v2.model.Message msg = xmlParser.parse(xmlMessage);
String hl7Message = classicParser.encode(msg);
But the real question is: what do you want to do ?
bye,
Marco Montel
Edgar Magaña Perdomo ha scritto:
Hello Marco,
What I discovered (probably I am wrong) is that when you are
converting from XML to HL7 messages you need to specify the "import
classes" corresponding to the version of the HL7 messages in the XML
file. I have also found that you need to specify the "type" of message
that is going to be converted (e.g. ADT_A01 or QRY_R02). In the
following example you can convert just a QRY_R02 XML file to the HL7
2.2 version. If the XML file indicates a different version or type
of message this code will not work.
Do you know if it is the only way to parsing or there is one more
generic. Because, I will have to implement five classes (one per HL7
version) and define all the type of messages and they are so many..
:-(
import ca.uhn.hl7v2.model.v22.message.*;
import ca.uhn.hl7v2.parser.*;
public class TransformingXMLtoHL7Msg {
/**
* A simple example of parsing a message
*/
public String changeEncoding(String inXMLMessage)
{
DefaultXMLParser XParser = new DefaultXMLParser();
PipeParser classicParser = new PipeParser();
String classicMessage = null;
QRY_R02 msg = null;
try{
msg = (QRY_R02)XParser.parse(inXMLMessage);
classicMessage = classicParser.encode(msg);
}
catch (Exception e) {
e.printStackTrace();
}
return classicMessage;
}
}
Kind Regards,
Edgar Magana
On 2/19/08, Marco Montel <[EMAIL PROTECTED]> wrote:
Hello Edgar,
You can try using the MyXMLParser implementation of XMLParser.
ca.uhn.hl7v2.parser.XMLParser xmlParser = new
ca.uhn.hl7v2.parser.MyXMLParser();
ca.uhn.hl7v2.model.Message msg = xmlParser.parse(xmlMessage);
bye,
Marco Montel
Edgar Magaña Perdomo ha scritto:
Hello Folks,
I am new working on HAPI and I would like to know if it has
implemented the parser from XML to HL7 messages. I know that is
implemented the one from HL7 to XML but I am not sure for the other
way.
Thanks in advance,
Edgar
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