How to create Java Mapping in SAP PI / PO

This blog will complement other blogs on ‘Java Mapping’ in SCN.

Direct link: How to create Java Mapping in SAP PI PO – YouTube

Sample Java Mapping used in the video: –

 package com.map; import java.io.*; import com.sap.aii.mapping.api.*; public class Test_JavaMapping extends AbstractTransformation {     @Override     public void transform(TransformationInput transformationInput, TransformationOutput transformationOutput) throws StreamTransformationException {         try {             InputStream inputstream = transformationInput.getInputPayload().getInputStream();             OutputStream outputstream = transformationOutput.getOutputPayload().getOutputStream();             // Copy Input content to Output content             byte[] b = new byte[inputstream.available()];             inputstream.read(b);                     outputstream.write("Prefixing this line to input. Test_JavaMapping.   ".getBytes());             outputstream.write(b);         } catch (Exception exception) {             getTrace().addDebugMessage(exception.getMessage());             throw new StreamTransformationException(exception.toString());         }     } } 

Sample text file used in the video:-

 Name,ID,Phone AAAA,11,123456789 世界,22,987654321 BBBB,33,777777777 

Helpful links: –

NWDS Download Links – Java Development – SCN Wiki

SAP Support Portal S user id is required to download NWDS.

Not well-formed XML – & issue

JAVA Mapping – Managing Services in the Enterprise Services Repository – SAP Library

PI Mapping and Lookup API – SAP Javadocs

Trail: Java API for XML Processing (JAXP) (The Java Tutorials)

Dynamic file name for pass-through scenario – Process Integration – SCN Wiki

Multi-Mapping using Java Mapping – Process Integration – SCN Wiki

Reading Binary File Using ICO

Java Mapping in Exchange Infrastructure (download the mwv file).