在用Eclipse开发的时候引用下面三个包

• com.sap.aii.af.ms.ifc_api.jar
• com.sap.xi.mapping.tool.lib_api.jar
• com.sap.xpi.ib.mapping.lib.jar

按照下面的代码就可以写Audit Log了

import com.sap.aii.mapping.api.*;
import java.util.*;
import java.io.*;
import com.sap.engine.interfaces.messaging.api.MessageDirection;
import com.sap.engine.interfaces.messaging.api.MessageKey;
import com.sap.engine.interfaces.messaging.api.PublicAPIAccessFactory;
import com.sap.engine.interfaces.messaging.api.auditlog.*;
import com.sap.engine.interfaces.messaging.api.exception.MessagingException;
    
public class <JavaMapName> extends AbstractTransformation {

    private Map map = null;

    public void setParameter(Map param) {
        map = param;
        if (map == null) {
            this.map = new HashMap();
        }
    }

    @Override
    public void transform(TransformationInput arg0, TransformationOutput arg1) throws StreamTransformationException {
        
        //Get message ID and change the format 
        String msgID = arg0.getInputHeader().getMessageId();
        final String DASH = "-";
        String uuidTimeLow = msgID.substring(0, 8);
        String uuidTimeMid = msgID.substring(8, 12);
        String uuidTimeHighAndVersion = msgID.substring(12, 16);
        String uuidClockSeqAndReserved = msgID.substring(16, 18);
        String uuidClockSeqLow = msgID.substring(18, 20);
        String uuidNode = msgID.substring(20, 32);
        String msgUUID = uuidTimeLow + DASH + uuidTimeMid + DASH + uuidTimeHighAndVersion + DASH
                + uuidClockSeqAndReserved + uuidClockSeqLow + DASH + uuidNode;
        MessageKey msgKey = new MessageKey(msgUUID, MessageDirection.OUTBOUND);
        //Get the audit object  
        AuditAccess audit = PublicAPIAccessFactory.getPublicAPIAccess().getAuditAccess();
        
        audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS, "Java map started");
        
        //main processing logic

        audit.addAuditLogEntry(msgKey, AuditLogStatus.SUCCESS, "Java map completed");
        
    }