Package ca.uhn.hl7v2.preparser

Class PreParser

java.lang.Object

ca.uhn.hl7v2.preparser.PreParser

public class PreParser
extends Object

Extracts specified fields from unparsed messages. This class is a facade for the ER7 and XML classes. Use it like this:

String message = null; //... your ER7 or XML message string goes here String[] fieldSpecs = {"MSH-9-1", "MSH-9-2", "MSH-12"}; String[] fields = PreParser.getFields(message, fieldSpecs);

Version:

$Revision: 1.1 $ updated on $Date: 2007-02-19 02:24:37 $ by $Author: jamesagnew $

Author:

Bryan Tripp

Constructor Summary

Constructors

Constructor	Description
PreParser()

Method Summary

Modifier and Type	Method	Description
static String[]	getFields(String theMessageText, String... thePathSpecs)	Extracts selected fields from a message.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PreParser

public PreParser()

Method Details

getFields

public static String[] getFields(String theMessageText,
 String... thePathSpecs)
                          throws HL7Exception

Extracts selected fields from a message.

Parameters:

theMessageText - an unparsed message from which to get fields

thePathSpecs - Terser-like paths to fields in the message. See documentation for Terser. These paths are identical except that they start with the segment name (search flags and group names are to be omitted as they are not relevant with unparsed ER7 messages).

Returns:

field values corresponding to the given paths

Throws:

HL7Exception