How to use proxy in UDF

In a mapping I need to call an abap proxy with one key field and it will return 5 fields to me. i need to use those five fields in my mapping. How do I use an abap proxy in a UDF ?
Regards,
Frank

Hi Frank,
AFAIK, You should use RFC Lookup for your requirement.
1.First create an RFC with one Import parameter and five Export parameters and make it remote enabled.
2. Use XI's Mapping lookup API's to call the RFC from UDF and get required values and map it to the target fields.
For more details about RFC and other Lookup API's please refer the following Blogs.
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/xi/xi-code-samples/xi%20mapping%20lookups%20rfc%20api.pdf">XI Mapping RFC Lookup API</a>
<a href="/people/alessandro.guarneri/blog/2006/03/27/sap-xi-lookup-api-the-killer">Lookup Blog by Alessandro Guarneri</a>
<a href="/people/siva.maranani/blog/2005/08/23/lookup146s-in-xi-made-simpler Lookups</a>
<a href="https://media.sdn.sap.com/javadocs/NW04/SPS15/pi/index.html">SAP XI Lookup API-Help</a>
Regards,
Ananth

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Hi All,
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Hi All,
How to set proxy authentication using java properties on the command line, or in Netbeans (Project => Properties
=> Run => Arguments). Below is a simple URL data extract program which works in absence of firewall:
import java.io.*;
import java.net.*;
public class DnldURLWithoutUsingProxy {
   public static void main (String[] args) {
      URL u;
      InputStream is = null;
      DataInputStream dis;
      String s;
      try {
          u = new URL("http://www.yahoo.com.au/index.html");
         is = u.openStream();         // throws an IOException
         dis = new DataInputStream(new BufferedInputStream(is));
         BufferedReader br = new BufferedReader(new InputStreamReader(dis));
      String strLine;
      //Read File Line By Line
      while ((strLine = br.readLine()) != null)      {
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          System.out.println (strLine);
      //Close the input stream
      dis.close();
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         System.out.println("Oops- an IOException happened.");
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}However, it generated the following message when run behind the firewall:
cd C:\Documents and Settings\abc\DnldURL\build\classes
java -cp . DnldURLWithoutUsingProxy
Oops- an IOException happened.
java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
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at sun.net.NetworkClient.doConnect(NetworkClient.java:139)
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at sun.net.www.http.HttpClient.<init>(HttpClient.java:306)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:267)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:320)
at sun.net.www.http.HttpClient.New(HttpClient.java:315)
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I have also tried the command without much luck either:
java -cp . -Dhttp.proxyHost=wwwproxy -Dhttp.proxyPort=80 DnldURLWithoutUsingProxy
Oops- an IOException happened.
java.io.IOException: Server returned HTTP response code: 407 for URL: http://www.yahoo.com.au/index.html
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1245) at java.net.URL.openStream(URL.java:1009) at DnldURLWithoutUsingProxy.main(DnldURLWithoutUsingProxy.java:17)
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There is no problem pinging www.yahoo.com from this system.
I am running jdk1.6.0_03, Netbeans 6.0 on Windows XP platform.
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Java Control Panel - Use browser settings without success.
Thanks,
George

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https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/70c7d0f7-153d-2a10-5d96-d334b67cd771
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http://help.sap.com/saphelp_nw70/helpdata/EN/ca/c8efe3e8a64163b01924ad4ccd706d/frameset.htm
http://help.sap.com/saphelp_nw70/helpdata/EN/5c/971740198d8f5ce10000000a155106/frameset.htm
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