SAP PI/PO – Adapter – Integration Learn

package com.test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.io.File;
import java.text.SimpleDateFormat;
import javax.ejb.Stateless;
import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import com.sap.aii.af.lib.mp.module.ModuleContext;
import com.sap.aii.af.lib.mp.module.ModuleData;
import com.sap.aii.af.lib.mp.module.ModuleException;
import com.sap.engine.interfaces.messaging.api.Message;
import com.sap.engine.interfaces.messaging.api.MessageKey;
import com.sap.engine.interfaces.messaging.api.MessagePropertyKey;
import com.sap.engine.interfaces.messaging.api.PublicAPIAccessFactory;
import com.sap.engine.interfaces.messaging.api.XMLPayload;
import com.sap.engine.interfaces.messaging.api.auditlog.AuditAccess;
import com.sap.engine.interfaces.messaging.api.auditlog.AuditLogStatus;
import com.sap.engine.interfaces.messaging.api.exception.MessagingException;
import org.apache.commons.lang3.StringUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
@Stateless
public class DynamicFileNameBean implements DynamicFileNameBeanRemote, DynamicFileNameBeanLocal {
 private AuditAccess audit;
 private MessageKey msgkey;
 private Map<String, String> prefixNSmap;
 private Document document;
 public DynamicFileNameBean() {
  try {
   this.audit = PublicAPIAccessFactory.getPublicAPIAccess().getAuditAccess();
  } catch (MessagingException e) {
   this.audit = null;
  }
 }
 @SuppressWarnings("unchecked")
 public ModuleData process(ModuleContext moduleContext, ModuleData inputModuleData)throws ModuleException{
  try
  {
   Message msg = (Message)inputModuleData.getPrincipalData();
   this.prefixNSmap = new HashMap<String, String>();
   this.msgkey = new MessageKey(msg.getMessageId(), msg.getMessageDirection());
   addLog(AuditLogStatus.SUCCESS, "Begin DynamicFileNameBean processing...");
   Enumeration oContextDataKeys;
   //Process setASMA & setVariable
   oContextDataKeys = moduleContext.getContextDataKeys();
   while(oContextDataKeys.hasMoreElements()){
    String cdk = (String)oContextDataKeys.nextElement();
    if(StringUtils.startsWithIgnoreCase(cdk, "setASMA")){
     addLog(AuditLogStatus.SUCCESS, "Process " + cdk);
     String sAttribute = StringUtils.split(cdk, "@")[1];
     String sNamespace = StringUtils.split(cdk, "@")[2];
     String sPattern = moduleContext.getContextData(cdk);
     addLog(AuditLogStatus.SUCCESS, "INPUT: Namespace=" + sNamespace + "; " + "Attribute=" + sAttribute + "; Pattern=" + sPattern);
     String sPatternOutput = processPattern(sPattern, msg, msgkey, inputModuleData);
     MessagePropertyKey mpk = new MessagePropertyKey(sAttribute, sNamespace);
     msg.removeMessageProperty(mpk);
     msg.setMessageProperty(mpk, sPatternOutput);
     addLog(AuditLogStatus.SUCCESS, "OUTPUT: Namespace=" + sNamespace + "; " + "Attribute=" + sAttribute + "; Value=" + sPatternOutput);
    }
   }
   inputModuleData.setPrincipalData(msg);
   addLog(AuditLogStatus.SUCCESS, "End DynamicFileNameBean processing...");
   return inputModuleData;
  }
  catch (Exception e){
    ModuleException me = new ModuleException( e.toString());
    throw me;
  }
 }
 public String processPattern(String sPattern, Message msg, MessageKey msgkey, ModuleData inputModuleData)
 {
  String sOutput = "";
  try{
   ArrayList<String> sTokenList = new ArrayList<String>(Arrays.asList(sPattern.split(" *& *")));
   for(int i=0; i<sTokenList.size(); i++){
    String sToken = sTokenList.get(i);
    String sExpResult = "";
    ArrayList<String> sExpression = new ArrayList<String>(Arrays.asList(sToken.split(" *\\Q|\\E *")));
    for(int j=0; j<sExpression.size(); j++){
     String sExp = sExpression.get(j);
     String sExpResultBefore = sExpResult;
     if(StringUtils.startsWithAny(sExp, new String[]{"\"", "\'"}) && StringUtils.endsWithAny(sExp, new String[]{"\"", "\'"})){
      sExpResult = StringUtils.strip(sExp, "\"\'");
     }else if(!sExp.contains("(")){
      sExpResult = sExp;
     }else{
      String sFunction = StringUtils.substringBefore(sExp, "(");
      String sArgument = StringUtils.chop(StringUtils.substringAfter(sExp, "("));
      String sArg[] = sArgument.split("(?x) " +
    ", " + // Split on comma
    "(?= " + // Followed by
    " (?: " + // Start a non-capture group
    " [^\"]* " + // 0 or more non-quote characters
    " \" " + // 1 quote
    " [^\"]* " + // 0 or more non-quote characters
    " \" " + // 1 quote
    " )* " + // 0 or more repetition of non-capture group (multiple of 2 quotes will be even)
    " [^\"]* " + // Finally 0 or more non-quotes
    " $ " + // Till the end (This is necessary, else every comma will satisfy the condition)
    ") " // End look-ahead
    );
      for(int k=0; k<sArg.length; k++){
       sArg[k] = StringUtils.strip(sArg[k], "\"\'");
      }
      sExpResult = executeFunction(sExpResult, inputModuleData, msg, sFunction, sArg);
     }
     if(!sExpResultBefore.isEmpty()){
      sExpResultBefore = sExpResultBefore + "|";
     }
     addLog(AuditLogStatus.SUCCESS, "Input=" + sExpResultBefore + sExp + "; Output=" + sExpResult);
    }
    sOutput = sOutput + sExpResult;
   }
  }catch(Exception ex)
  {
   addLog(AuditLogStatus.ERROR, "Failed at processPattern=" + sPattern);
  }
  return sOutput;
 }
 public void addLog(AuditLogStatus status, String message) {
  if (this.audit != null) {
   this.audit.addAuditLogEntry(this.msgkey, status, message);
  }else {
   System.out.println( "Audit Log: " + message);
  }
 }
 public Document getDocument(Message msg){
  if(this.document == null){
    XMLPayload xmlpayload = msg.getDocument();
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);
    DocumentBuilder builder;
    try {
     builder = factory.newDocumentBuilder();
     this.document = builder.parse(xmlpayload.getInputStream());
    } catch (Exception ex) {
     addLog(AuditLogStatus.SUCCESS, "Failed at getDocument parse xmlpayload.");
    }
   return this.document;
  }else{
   return this.document;
  }
 }
 public void addPrefixNamespaceMap(Node root){
 NamedNodeMap attributes = root.getAttributes();
 if (attributes != null){
 for (int i = 0; i < attributes.getLength(); i++){
 Node node = attributes.item(i);
 if (node.getNodeType() == Node.ATTRIBUTE_NODE){
 String name = node.getNodeName();
 if(StringUtils.startsWithIgnoreCase(name, "xmlns")){
  String sPrefix = StringUtils.substringAfter(name, ":");
      String sNamespace = node.getNodeValue();
      this.prefixNSmap.put(sPrefix, sNamespace);
      addLog(AuditLogStatus.SUCCESS, "Added prefix namespace map; Prefix=" + sPrefix + "; " + "Namespace=" + sNamespace);
 }
 }
 }
 }
 }
 public void addPrefixNamespaceMapRecursive(Node root) {
  addPrefixNamespaceMap(root);
  NodeList childNodes = root.getChildNodes();
 for (int i = 0; i < childNodes.getLength(); i++){
   addPrefixNamespaceMapRecursive(childNodes.item(i));
  }
 }
 public String executeFunction(String sIn, ModuleData inputModuleData, Message msg, String sFunction, String[] sArg){
  String sOut = sIn;
  if(sFunction.equalsIgnoreCase("getASMA")){
   MessagePropertyKey mpk = new MessagePropertyKey(sArg[0],sArg[1]);
   sOut = msg.getMessageProperty(mpk);
  }
  else if(sFunction.equalsIgnoreCase("XPath")){
   Element root = getDocument(msg).getDocumentElement();
   if(prefixNSmap.size() == 0){
    addPrefixNamespaceMapRecursive((Node) root);
   }
   try {
    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(new NamespaceContext() {
     public String getNamespaceURI(String prefix) {
     return prefixNSmap.get(prefix);
     }
     public Iterator<String> getPrefixes(String val) {
     return null;
     }
     public String getPrefix(String uri) {
     return null;
     }
    });
    XPathExpression expr;
    expr = xpath.compile(sArg[0]);
    Object result = expr.evaluate(root, XPathConstants.NODESET);
    NodeList nodes = (NodeList)result;
    if ((nodes != null) && (nodes.getLength() > 0)){
     sOut = nodes.item(0).getChildNodes().item(0).getNodeValue();
    }
   } catch (XPathExpressionException e) {
    addLog(AuditLogStatus.SUCCESS, "Failed at XPath function.");
   }
  }
  else if(sFunction.equalsIgnoreCase("getSAPSYSTEMNAME")){
   sOut = System.getProperty("SAPSYSTEMNAME", "");
  }
  else if(sFunction.equalsIgnoreCase("getSAPSYSTEM")){
   sOut = System.getProperty("SAPSYSTEM", "");
  }
  else if(sFunction.equalsIgnoreCase("getCorrelationId")){
   sOut = msg.getCorrelationId();
  }
  else if(sFunction.equalsIgnoreCase("getMessageId")){
   sOut = msg.getMessageId();
  }
  else if(sFunction.equalsIgnoreCase("getProtocol")){
   sOut = msg.getProtocol();
  }
  else if(sFunction.equalsIgnoreCase("getRefToMessageId")){
   sOut = msg.getRefToMessageId();
  }
  else if(sFunction.equalsIgnoreCase("getDeliverySemantics")){
   sOut = msg.getDeliverySemantics().toString();
  }
  else if(sFunction.equalsIgnoreCase("getFromParty")){
   sOut = msg.getFromParty().getName();
  }
  else if(sFunction.equalsIgnoreCase("getSequenceId")){
   sOut = msg.getSequenceId();
  }
  else if(sFunction.equalsIgnoreCase("getFromService")){
   sOut = msg.getFromService().getName();
  }
  else if(sFunction.equalsIgnoreCase("getMessageClass")){
   sOut = msg.getMessageClass().toString();
  }
  else if(sFunction.equalsIgnoreCase("getMessageDirection")){
   sOut = msg.getMessageDirection().toString();
  }
  else if(sFunction.equalsIgnoreCase("getToParty")){
   sOut = msg.getToParty().getName();
  }
  else if(sFunction.equalsIgnoreCase("getToService")){
   sOut = msg.getToService().getName();
  }
  else if(sFunction.equalsIgnoreCase("appendIfMissing")){
   sOut = StringUtils.appendIfMissing(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("appendIfMissingIgnoreCase")){
   sOut = StringUtils.appendIfMissingIgnoreCase(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("capitalize")){
   sOut = StringUtils.capitalize(sIn);
  }
  else if(sFunction.equalsIgnoreCase("center")){
   if(sArg.length == 1){
    sOut = StringUtils.center(sIn, Integer.parseInt(sArg[0]));
   }
   else if(sArg.length == 2){
    sOut = StringUtils.center(sIn, Integer.parseInt(sArg[0]), sArg[1]);
   }
  }
  else if(sFunction.equalsIgnoreCase("chop")){
   sOut = StringUtils.chop(sIn);
  }
  else if(sFunction.equalsIgnoreCase("concat")){
   sOut = sIn.concat(sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("left")){
   sOut = StringUtils.left(sIn, Integer.parseInt(sArg[0]));
  }
  else if(sFunction.equalsIgnoreCase("leftPad")){
   sOut = StringUtils.leftPad(sIn, Integer.parseInt(sArg[0]), sArg[1]);
  }
  else if(sFunction.equalsIgnoreCase("normalizeSpace")){
   sOut = StringUtils.normalizeSpace(sIn);
  }
  else if(sFunction.equalsIgnoreCase("prependIfMissing")){
   sOut = StringUtils.prependIfMissing(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("prependIfMissingIgnoreCase")){
   sOut = StringUtils.prependIfMissingIgnoreCase(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("remove")){
   sOut = StringUtils.remove(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("removeEnd")){
   sOut = StringUtils.removeEnd(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("removeEndIgnoreCase")){
   sOut = StringUtils.removeEndIgnoreCase(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("removePattern")){
   sOut = StringUtils.removePattern(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("removeStart")){
   sOut = StringUtils.removeStart(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("removeStartIgnoreCase")){
   sOut = StringUtils.removeStartIgnoreCase(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("repeat")){
   if(sArg.length == 1){
    sOut = sOut + StringUtils.repeat(sIn, Integer.parseInt(sArg[0]));
   }if(sArg.length == 2){
    sOut = sOut + StringUtils.repeat(sIn, sArg[0], Integer.parseInt(sArg[1]));
   }
  }
  else if(sFunction.equalsIgnoreCase("replace")){
   if(sArg.length == 2){
    sOut = StringUtils.replace(sIn, sArg[0], sArg[1]);
   }else if(sArg.length == 3){
    sOut = StringUtils.replace(sIn, sArg[0], sArg[1], Integer.parseInt(sArg[2]));
   }
  }
  else if(sFunction.equalsIgnoreCase("replaceOnce")){
   sOut = StringUtils.replace(sIn, sArg[0], sArg[1]);
  }
  else if(sFunction.equalsIgnoreCase("replacePattern")){
   sOut = StringUtils.replacePattern(sIn, sArg[0], sArg[1]);
  }
  else if(sFunction.equalsIgnoreCase("reverse")){
   sOut = StringUtils.reverse(sIn);
  }
  else if(sFunction.equalsIgnoreCase("reverseDelimited")){
   sOut = StringUtils.reverseDelimited(sIn, sArg[0].toCharArray()[0]);
  }
  else if(sFunction.equalsIgnoreCase("right")){
   sOut = StringUtils.right(sIn, Integer.parseInt(sArg[0]));
  }
  else if(sFunction.equalsIgnoreCase("rightPad")){
   if(sArg.length == 2){
    sOut = StringUtils.rightPad(sIn, Integer.parseInt(sArg[0]));
   }else if(sArg.length == 3){
    sOut = StringUtils.rightPad(sIn, Integer.parseInt(sArg[0]), sArg[1]);
   }
  }
  else if(sFunction.equalsIgnoreCase("splitRegEx")){
   try{
    ArrayList<String> foundList = new ArrayList<String>(Arrays.asList(sIn.split(sArg[0])));
    sOut = foundList.get(Integer.parseInt(sArg[1]));
   }catch(Exception ex){
    sOut = "";
   }
  }
  else if(sFunction.equalsIgnoreCase("substring")){
   if(sArg.length == 1){
    sOut = sOut + StringUtils.substring(sIn, Integer.parseInt(sArg[0]));
   }else if(sArg.length == 2){
    sOut = sOut + StringUtils.substring(sIn, Integer.parseInt(sArg[0]), Integer.parseInt(sArg[1]));
   }
  }
  else if(sFunction.equalsIgnoreCase("substringAfter")){
   sOut = sOut + StringUtils.substringAfter(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("substringAfterLast")){
   sOut = sOut + StringUtils.substringAfterLast(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("substringBefore")){
   sOut = sOut + StringUtils.substringBefore(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("substringBeforeLast")){
   sOut = sOut + StringUtils.substringBeforeLast(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("substringBetween")){
   if(sArg.length == 1){
    sOut = sOut + StringUtils.substringBetween(sIn, sArg[0]);
   }else if(sArg.length == 2){
    sOut = sOut + StringUtils.substringBetween(sIn, sArg[0], sArg[1]);
   }
  }
  else if(sFunction.equalsIgnoreCase("substringRegEx")){
   try{
    Pattern p = Pattern.compile(sArg[0]);
   Matcher m = p.matcher(sIn);
   ArrayList<String> foundList = new ArrayList<String>();
   while(m.find()){
    foundList.add(m.group(1));
   }
   if(sArg.length == 1){
    sOut = foundList.get(0);
    }else if(sArg.length == 2){
     sOut = foundList.get(Integer.parseInt(sArg[1])-1);
    }
   }catch(Exception ex){
    sOut = "";
   }
  }
  else if(sFunction.equalsIgnoreCase("toLowerCase")){
   sOut = sIn.toLowerCase();
  }
  else if(sFunction.equalsIgnoreCase("toUpperCase")){
   sOut = sIn.toUpperCase();
  }
  else if(sFunction.equalsIgnoreCase("trim")){
   sOut = sIn.trim();
  }
  else if(sFunction.equalsIgnoreCase("uncapitalize")){
   sOut = StringUtils.uncapitalize(sIn);
  }
  else if(sFunction.equalsIgnoreCase("wrap")){
   sOut = StringUtils.wrap(sIn, sArg[0]);
  }
  else if(sFunction.equalsIgnoreCase("getTimestamp")){
   if(sArg[0].isEmpty()){
    sArg[0] = "yyyyMMDD_HHmmss_SSS";
   }
   Date date = new Date();
   SimpleDateFormat sdf = new SimpleDateFormat(sArg[0]);
   sOut = sdf.format(date);
  }
  return sOut;
 }
}

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package com.test;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Date;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import java.io.File;

import java.text.SimpleDateFormat;

import javax.ejb.Stateless;

import javax.xml.namespace.NamespaceContext;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.xpath.XPath;

import javax.xml.xpath.XPathConstants;

import javax.xml.xpath.XPathExpression;

import javax.xml.xpath.XPathExpressionException;

import javax.xml.xpath.XPathFactory;

import com.sap.aii.af.lib.mp.module.ModuleContext;

import com.sap.aii.af.lib.mp.module.ModuleData;

import com.sap.aii.af.lib.mp.module.ModuleException;

import com.sap.engine.interfaces.messaging.api.Message;

import com.sap.engine.interfaces.messaging.api.MessageKey;

import com.sap.engine.interfaces.messaging.api.MessagePropertyKey;

import com.sap.engine.interfaces.messaging.api.PublicAPIAccessFactory;

import com.sap.engine.interfaces.messaging.api.XMLPayload;

import com.sap.engine.interfaces.messaging.api.auditlog.AuditAccess;

import com.sap.engine.interfaces.messaging.api.auditlog.AuditLogStatus;

import com.sap.engine.interfaces.messaging.api.exception.MessagingException;

import org.apache.commons.lang3.StringUtils;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.NamedNodeMap;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

@Stateless

public class DynamicFileNameBean implements DynamicFileNameBeanRemote, DynamicFileNameBeanLocal {

private AuditAccess audit;

private MessageKey msgkey;

private Map<String, String> prefixNSmap;

private Document document;

public DynamicFileNameBean() {

try {

this.audit = PublicAPIAccessFactory.getPublicAPIAccess().getAuditAccess();

} catch (MessagingException e) {

this.audit = null;

}

@SuppressWarnings("unchecked")

public ModuleData process(ModuleContext moduleContext, ModuleData inputModuleData)throws ModuleException{

try

{

Message msg = (Message)inputModuleData.getPrincipalData();

this.prefixNSmap = new HashMap<String, String>();

this.msgkey = new MessageKey(msg.getMessageId(), msg.getMessageDirection());

addLog(AuditLogStatus.SUCCESS, "Begin DynamicFileNameBean processing...");

Enumeration oContextDataKeys;

//Process setASMA & setVariable

oContextDataKeys = moduleContext.getContextDataKeys();

while(oContextDataKeys.hasMoreElements()){

String cdk = (String)oContextDataKeys.nextElement();

if(StringUtils.startsWithIgnoreCase(cdk, "setASMA")){

addLog(AuditLogStatus.SUCCESS, "Process " + cdk);

String sAttribute = StringUtils.split(cdk, "@")[1];

String sNamespace = StringUtils.split(cdk, "@")[2];

String sPattern = moduleContext.getContextData(cdk);

addLog(AuditLogStatus.SUCCESS, "INPUT: Namespace=" + sNamespace + "; " + "Attribute=" + sAttribute + "; Pattern=" + sPattern);

String sPatternOutput = processPattern(sPattern, msg, msgkey, inputModuleData);

MessagePropertyKey mpk = new MessagePropertyKey(sAttribute, sNamespace);

msg.removeMessageProperty(mpk);

msg.setMessageProperty(mpk, sPatternOutput);

addLog(AuditLogStatus.SUCCESS, "OUTPUT: Namespace=" + sNamespace + "; " + "Attribute=" + sAttribute + "; Value=" + sPatternOutput);

}

inputModuleData.setPrincipalData(msg);

addLog(AuditLogStatus.SUCCESS, "End DynamicFileNameBean processing...");

return inputModuleData;

}

catch (Exception e){

ModuleException me = new ModuleException( e.toString());

throw me;

}

public String processPattern(String sPattern, Message msg, MessageKey msgkey, ModuleData inputModuleData)

{

String sOutput = "";

try{

ArrayList<String> sTokenList = new ArrayList<String>(Arrays.asList(sPattern.split(" *& *")));

for(int i=0; i<sTokenList.size(); i++){

String sToken = sTokenList.get(i);

String sExpResult = "";

ArrayList<String> sExpression = new ArrayList<String>(Arrays.asList(sToken.split(" *\\Q|\\E *")));

for(int j=0; j<sExpression.size(); j++){

String sExp = sExpression.get(j);

String sExpResultBefore = sExpResult;

if(StringUtils.startsWithAny(sExp, new String[]{"\"", "\'"}) && StringUtils.endsWithAny(sExp, new String[]{"\"", "\'"})){

sExpResult = StringUtils.strip(sExp, "\"\'");

}else if(!sExp.contains("(")){

sExpResult = sExp;

}else{

String sFunction = StringUtils.substringBefore(sExp, "(");

String sArgument = StringUtils.chop(StringUtils.substringAfter(sExp, "("));

String sArg[] = sArgument.split("(?x) " +

", " + // Split on comma

"(?= " + // Followed by

" (?: " + // Start a non-capture group

" [^\"]* " + // 0 or more non-quote characters

" \" " + // 1 quote

" [^\"]* " + // 0 or more non-quote characters

" \" " + // 1 quote

" )* " + // 0 or more repetition of non-capture group (multiple of 2 quotes will be even)

" [^\"]* " + // Finally 0 or more non-quotes

" $ " + // Till the end (This is necessary, else every comma will satisfy the condition)

") " // End look-ahead

);

for(int k=0; k<sArg.length; k++){

sArg[k] = StringUtils.strip(sArg[k], "\"\'");

}

sExpResult = executeFunction(sExpResult, inputModuleData, msg, sFunction, sArg);

}

if(!sExpResultBefore.isEmpty()){

sExpResultBefore = sExpResultBefore + "|";

}

addLog(AuditLogStatus.SUCCESS, "Input=" + sExpResultBefore + sExp + "; Output=" + sExpResult);

}

sOutput = sOutput + sExpResult;

}

}catch(Exception ex)

{

addLog(AuditLogStatus.ERROR, "Failed at processPattern=" + sPattern);

}

return sOutput;

}

public void addLog(AuditLogStatus status, String message) {

if (this.audit != null) {

this.audit.addAuditLogEntry(this.msgkey, status, message);

}else {

System.out.println( "Audit Log: " + message);

}

public Document getDocument(Message msg){

if(this.document == null){

XMLPayload xmlpayload = msg.getDocument();

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

factory.setNamespaceAware(true);

DocumentBuilder builder;

try {

builder = factory.newDocumentBuilder();

this.document = builder.parse(xmlpayload.getInputStream());

} catch (Exception ex) {

addLog(AuditLogStatus.SUCCESS, "Failed at getDocument parse xmlpayload.");

}

return this.document;

}else{

return this.document;

}

public void addPrefixNamespaceMap(Node root){

NamedNodeMap attributes = root.getAttributes();

if (attributes != null){

for (int i = 0; i < attributes.getLength(); i++){

Node node = attributes.item(i);

if (node.getNodeType() == Node.ATTRIBUTE_NODE){

String name = node.getNodeName();

if(StringUtils.startsWithIgnoreCase(name, "xmlns")){

String sPrefix = StringUtils.substringAfter(name, ":");

String sNamespace = node.getNodeValue();

this.prefixNSmap.put(sPrefix, sNamespace);

addLog(AuditLogStatus.SUCCESS, "Added prefix namespace map; Prefix=" + sPrefix + "; " + "Namespace=" + sNamespace);

}

public void addPrefixNamespaceMapRecursive(Node root) {

addPrefixNamespaceMap(root);

NodeList childNodes = root.getChildNodes();

for (int i = 0; i < childNodes.getLength(); i++){

addPrefixNamespaceMapRecursive(childNodes.item(i));

}

public String executeFunction(String sIn, ModuleData inputModuleData, Message msg, String sFunction, String[] sArg){

String sOut = sIn;

if(sFunction.equalsIgnoreCase("getASMA")){

MessagePropertyKey mpk = new MessagePropertyKey(sArg[0],sArg[1]);

sOut = msg.getMessageProperty(mpk);

}

else if(sFunction.equalsIgnoreCase("XPath")){

Element root = getDocument(msg).getDocumentElement();

if(prefixNSmap.size() == 0){

addPrefixNamespaceMapRecursive((Node) root);

}

try {

XPath xpath = XPathFactory.newInstance().newXPath();

xpath.setNamespaceContext(new NamespaceContext() {

public String getNamespaceURI(String prefix) {

return prefixNSmap.get(prefix);

}

public Iterator<String> getPrefixes(String val) {

return null;

}

public String getPrefix(String uri) {

return null;

}

});

XPathExpression expr;

expr = xpath.compile(sArg[0]);

Object result = expr.evaluate(root, XPathConstants.NODESET);

NodeList nodes = (NodeList)result;

if ((nodes != null) && (nodes.getLength() > 0)){

sOut = nodes.item(0).getChildNodes().item(0).getNodeValue();

}

} catch (XPathExpressionException e) {

addLog(AuditLogStatus.SUCCESS, "Failed at XPath function.");

}

else if(sFunction.equalsIgnoreCase("getSAPSYSTEMNAME")){

sOut = System.getProperty("SAPSYSTEMNAME", "");

}

else if(sFunction.equalsIgnoreCase("getSAPSYSTEM")){

sOut = System.getProperty("SAPSYSTEM", "");

}

else if(sFunction.equalsIgnoreCase("getCorrelationId")){

sOut = msg.getCorrelationId();

}

else if(sFunction.equalsIgnoreCase("getMessageId")){

sOut = msg.getMessageId();

}

else if(sFunction.equalsIgnoreCase("getProtocol")){

sOut = msg.getProtocol();

}

else if(sFunction.equalsIgnoreCase("getRefToMessageId")){

sOut = msg.getRefToMessageId();

}

else if(sFunction.equalsIgnoreCase("getDeliverySemantics")){

sOut = msg.getDeliverySemantics().toString();

}

else if(sFunction.equalsIgnoreCase("getFromParty")){

sOut = msg.getFromParty().getName();

}

else if(sFunction.equalsIgnoreCase("getSequenceId")){

sOut = msg.getSequenceId();

}

else if(sFunction.equalsIgnoreCase("getFromService")){

sOut = msg.getFromService().getName();

}

else if(sFunction.equalsIgnoreCase("getMessageClass")){

sOut = msg.getMessageClass().toString();

}

else if(sFunction.equalsIgnoreCase("getMessageDirection")){

sOut = msg.getMessageDirection().toString();

}

else if(sFunction.equalsIgnoreCase("getToParty")){

sOut = msg.getToParty().getName();

}

else if(sFunction.equalsIgnoreCase("getToService")){

sOut = msg.getToService().getName();

}

else if(sFunction.equalsIgnoreCase("appendIfMissing")){

sOut = StringUtils.appendIfMissing(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("appendIfMissingIgnoreCase")){

sOut = StringUtils.appendIfMissingIgnoreCase(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("capitalize")){

sOut = StringUtils.capitalize(sIn);

}

else if(sFunction.equalsIgnoreCase("center")){

if(sArg.length == 1){

sOut = StringUtils.center(sIn, Integer.parseInt(sArg[0]));

}

else if(sArg.length == 2){

sOut = StringUtils.center(sIn, Integer.parseInt(sArg[0]), sArg[1]);

}

else if(sFunction.equalsIgnoreCase("chop")){

sOut = StringUtils.chop(sIn);

}

else if(sFunction.equalsIgnoreCase("concat")){

sOut = sIn.concat(sArg[0]);

}

else if(sFunction.equalsIgnoreCase("left")){

sOut = StringUtils.left(sIn, Integer.parseInt(sArg[0]));

}

else if(sFunction.equalsIgnoreCase("leftPad")){

sOut = StringUtils.leftPad(sIn, Integer.parseInt(sArg[0]), sArg[1]);

}

else if(sFunction.equalsIgnoreCase("normalizeSpace")){

sOut = StringUtils.normalizeSpace(sIn);

}

else if(sFunction.equalsIgnoreCase("prependIfMissing")){

sOut = StringUtils.prependIfMissing(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("prependIfMissingIgnoreCase")){

sOut = StringUtils.prependIfMissingIgnoreCase(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("remove")){

sOut = StringUtils.remove(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("removeEnd")){

sOut = StringUtils.removeEnd(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("removeEndIgnoreCase")){

sOut = StringUtils.removeEndIgnoreCase(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("removePattern")){

sOut = StringUtils.removePattern(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("removeStart")){

sOut = StringUtils.removeStart(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("removeStartIgnoreCase")){

sOut = StringUtils.removeStartIgnoreCase(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("repeat")){

if(sArg.length == 1){

sOut = sOut + StringUtils.repeat(sIn, Integer.parseInt(sArg[0]));

}if(sArg.length == 2){

sOut = sOut + StringUtils.repeat(sIn, sArg[0], Integer.parseInt(sArg[1]));

}

else if(sFunction.equalsIgnoreCase("replace")){

if(sArg.length == 2){

sOut = StringUtils.replace(sIn, sArg[0], sArg[1]);

}else if(sArg.length == 3){

sOut = StringUtils.replace(sIn, sArg[0], sArg[1], Integer.parseInt(sArg[2]));

}

else if(sFunction.equalsIgnoreCase("replaceOnce")){

sOut = StringUtils.replace(sIn, sArg[0], sArg[1]);

}

else if(sFunction.equalsIgnoreCase("replacePattern")){

sOut = StringUtils.replacePattern(sIn, sArg[0], sArg[1]);

}

else if(sFunction.equalsIgnoreCase("reverse")){

sOut = StringUtils.reverse(sIn);

}

else if(sFunction.equalsIgnoreCase("reverseDelimited")){

sOut = StringUtils.reverseDelimited(sIn, sArg[0].toCharArray()[0]);

}

else if(sFunction.equalsIgnoreCase("right")){

sOut = StringUtils.right(sIn, Integer.parseInt(sArg[0]));

}

else if(sFunction.equalsIgnoreCase("rightPad")){

if(sArg.length == 2){

sOut = StringUtils.rightPad(sIn, Integer.parseInt(sArg[0]));

}else if(sArg.length == 3){

sOut = StringUtils.rightPad(sIn, Integer.parseInt(sArg[0]), sArg[1]);

}

else if(sFunction.equalsIgnoreCase("splitRegEx")){

try{

ArrayList<String> foundList = new ArrayList<String>(Arrays.asList(sIn.split(sArg[0])));

sOut = foundList.get(Integer.parseInt(sArg[1]));

}catch(Exception ex){

sOut = "";

}

else if(sFunction.equalsIgnoreCase("substring")){

if(sArg.length == 1){

sOut = sOut + StringUtils.substring(sIn, Integer.parseInt(sArg[0]));

}else if(sArg.length == 2){

sOut = sOut + StringUtils.substring(sIn, Integer.parseInt(sArg[0]), Integer.parseInt(sArg[1]));

}

else if(sFunction.equalsIgnoreCase("substringAfter")){

sOut = sOut + StringUtils.substringAfter(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("substringAfterLast")){

sOut = sOut + StringUtils.substringAfterLast(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("substringBefore")){

sOut = sOut + StringUtils.substringBefore(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("substringBeforeLast")){

sOut = sOut + StringUtils.substringBeforeLast(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("substringBetween")){

if(sArg.length == 1){

sOut = sOut + StringUtils.substringBetween(sIn, sArg[0]);

}else if(sArg.length == 2){

sOut = sOut + StringUtils.substringBetween(sIn, sArg[0], sArg[1]);

}

else if(sFunction.equalsIgnoreCase("substringRegEx")){

try{

Pattern p = Pattern.compile(sArg[0]);

Matcher m = p.matcher(sIn);

ArrayList<String> foundList = new ArrayList<String>();

while(m.find()){

foundList.add(m.group(1));

}

if(sArg.length == 1){

sOut = foundList.get(0);

}else if(sArg.length == 2){

sOut = foundList.get(Integer.parseInt(sArg[1])-1);

}

}catch(Exception ex){

sOut = "";

}

else if(sFunction.equalsIgnoreCase("toLowerCase")){

sOut = sIn.toLowerCase();

}

else if(sFunction.equalsIgnoreCase("toUpperCase")){

sOut = sIn.toUpperCase();

}

else if(sFunction.equalsIgnoreCase("trim")){

sOut = sIn.trim();

}

else if(sFunction.equalsIgnoreCase("uncapitalize")){

sOut = StringUtils.uncapitalize(sIn);

}

else if(sFunction.equalsIgnoreCase("wrap")){

sOut = StringUtils.wrap(sIn, sArg[0]);

}

else if(sFunction.equalsIgnoreCase("getTimestamp")){

if(sArg[0].isEmpty()){

sArg[0] = "yyyyMMDD_HHmmss_SSS";

}

Date date = new Date();

SimpleDateFormat sdf = new SimpleDateFormat(sArg[0]);

sOut = sdf.format(date);

}

return sOut;

}

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