Create image of XSTRING data and display it in Web Dynpro

Hello,
I am trying to dynamically display an image in a Web Dynpro ABAP Image-Control. The problem is that the data is stored in the DB as XSTRING and I can't find a Method for example to create a new object in the MIME-Repository of the data which is read out of the DB at runtime.
I have already converted the XSTRING into w3mime-Format with the function module RSFO_XSTRING_TO_MIME, but the Control needs a string of a url to display the image (for example to a MIME-Object of the component or a link to a file on the ITS).
Is there somehow a possibility to do this?
Thanks for your help,
Kolja
Solved this way: See /people/brian.mckellar/blog/2003/09/30/bsp-in-depth-writing-an-http-handler
Message was edited by: Kolja Ewering

Hi you may go through the below post to find what could be a better way to do that.
http://forum.java.sun.com/thread.jspa?threadID=5163829
REGARDS,
RaHuL

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Error in reading workflow container data and populate it in web dynpro pd

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Hi,
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I am able to submit form to an adobe web service passing base64 string to adobe process.(see the script in image#1).
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Hi,
I am developing " How to Create Online and Offline Forms in Web Dynpro " in nwds 7.0. This is standard example which is available at sdn. but when i run it gives me error like "
Failed to process request. Please contact your system administrator.
[Hide]
Error Summary
While processing the current request, an exception occured which could not be handled by the application or the framework.
If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).
Root Cause
The initial exception that caused the request to fail, was:
   java.lang.NullPointerException
    at com.travelrequestapp.TravelRequestComView.wdDoInit(TravelRequestComView.java:97)
    at com.travelrequestapp.wdp.InternalTravelRequestComView.wdDoInit(InternalTravelRequestComView.java:133)
    at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:61)
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    at com.sap.tc.webdynpro.progmodel.view.View.initController(View.java:445)
    ... 34 more
See full exception chain for details.
System Environment
Client
Web Dynpro Client Type HTML Client
User agent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Version null
DOM version null
Client Type msie6
Client Type Profile ie6
ActiveX enabled
Cookies enabled
Frames enabled
Java Applets enabled
JavaScript enabled
Tables enabled
VB Script enabled
Server
Web Dynpro Runtime Vendor: SAP, build ID: 7.0009.20060804145649.0000 (release=645_VAL_REL, buildtime=2006-08-26:14:41:58[UTC], changelist=413534, host=pwdfm101), build date: Thu Feb 15 10:23:57 IST 2007
J2EE Engine 7.00 patchlevel
Java VM Java HotSpot(TM) Server VM, version:1.4.2_13-b06, vendor: Sun Microsystems Inc.
Operating system Windows 2003, version: 5.2, architecture: x86
Session & Other
Session Locale en_US
Time of Failure Mon Oct 29 12:13:24 IST 2007 (Java Time: 1193640204484)
Web Dynpro Code Generation Infos
local/TravelRequest
SapDictionaryGenerationCore 7.0006.20051128142640.0000 (release=645_VAL_REL, buildtime=2006-01-14:14:59:42[UTC], changelist=378068, host=PWDFM101.wdf.sap.corp)
SapDictionaryGenerationTemplates (unknown)
SapGenerationFrameworkCore 7.0006.20050713144242.0000 (release=645_VAL_REL, buildtime=2006-01-14:14:48:59[UTC], changelist=357697, host=PWDFM101.wdf.sap.corp)
SapIdeWebDynproCheckLayer 7.0006.20051128151834.0000 (release=645_VAL_REL, buildtime=2006-01-14:15:05:10[UTC], changelist=378108, host=PWDFM101.wdf.sap.corp)
SapMetamodelCommon 7.0006.20050929162929.0000 (release=645_VAL_REL, buildtime=2006-01-14:14:49:45[UTC], changelist=369752, host=PWDFM101.wdf.sap.corp)
SapMetamodelCore 7.0006.20050929162929.0000 (release=645_VAL_REL, buildtime=2006-01-14:14:49:38[UTC], changelist=369752, host=PWDFM101.wdf.sap.corp)
SapMetamodelDictionary 7.0006.20051128142655.0000 (release=645_VAL_REL, buildtime=2006-01-14:14:57:39[UTC], changelist=378069, host=PWDFM101.wdf.sap.corp)
SapMetamodelWebDynpro 7.0006.20051128151854.0000 (release=645_VAL_REL, buildtime=2006-01-14:15:02:09[UTC], changelist=378109, host=PWDFM101.wdf.sap.corp)
SapWebDynproGenerationCTemplates 7.0006.20060111154644.0000 (release=645_VAL_REL, buildtime=2006-01-14:15:18:33[UTC], changelist=384368, host=pwdfm101)
SapWebDynproGenerationCore 7.0006.20051128151834.0000 (release=645_VAL_REL, buildtime=2006-01-14:15:05:21[UTC], changelist=378108, host=PWDFM101.wdf.sap.corp)
SapWebDynproGenerationTemplates 7.0006.20060111154644.0000 (release=645_VAL_REL, buildtime=2006-01-14:15:18:33[UTC], changelist=384368, host=pwdfm101)
sap.com/tcwddispwda
No information available null
sap.com/tcwdcorecomp
No information available null
Detailed Error Information
Detailed Exception Chain
java.lang.NullPointerException
     at com.travelrequestapp.TravelRequestComView.wdDoInit(TravelRequestComView.java:97)
     at com.travelrequestapp.wdp.InternalTravelRequestComView.wdDoInit(InternalTravelRequestComView.java:133)
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     at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215)
     at com.sap.tc.webdynpro.progmodel.view.View.initController(View.java:445)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
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     at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doNavigation(WindowPhaseModel.java:498)
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     at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335)
     at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
     at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:299)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:711)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:665)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:232)
     at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:152)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53)
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     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
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     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
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     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
So please help me to correct this error .....
Help will be rewarded.
Regards,
Gurprit Bhatia

Hi Gurprit,
A null value is being passed at runtime. Make sure that you enter values when filling in the form.
Also check for the cardinality of the nodes being used. You can also initiliaze your value attributes as follows:
In wdDoInit() method:
wdContext.currentNodeAElement.setValueA("");
Context is as follows:
RootNode
|____NodeA
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Hope it helps.

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Hi Madhu,
Web Dynpro (WD) is a proprietary web application user interface technology developed by SAP AG and exists in a Java (Web Dynpro for Java, WDJ or WD4J) and an ABAP (Web Dynpro ABAP[1] , WDA) flavor. Both have in general the same functionality, but usually one flavor is improved after the other, so temporary one flavor is more advanced than the other. Hence, the decision for one of the two flavors shall be based on organizational and business circumstances, but not on functionality.
WD follows an adapted MVC pattern and a model driven development approach ("minimize coding, maximize design") with a large number of dedicated hooks in generated code to place custom coding. It is intended for business applications that shall follow standardized UI principles, connect to backend systems and be scalable.
Main advantages of Web Dynpro over other technologies
typed access for design time checks, e.g. navigation links and messages are accessed via types instead of string keys like in JSF
diverse services for backend access, like aRFC, JEE and Web Service data models
integration with SAP Interactive Forms by Adobe, which are interactive PDF forms, during design (same IDE) and run time (data sharing)
integration with business process management and business rules management (since NetWeaver CE 7.1 EHP 1)
designed to support development big scale applications by adding multiple grouping layers on top of Java packages (DCs, SCs, products)
runs on different clients e.g. web browser, mobile device, widget engine
comes with a big collection of UI elements providing a wealth of functionality and only have to be configured but not programmed
Main disadvantages
proprietary, running only on SAP servers
less flexible due to support for multiple clients (i.e. custom html is not possible). To reduce the limitations, several measures have been taken. For example, WD supports so-called "islands" for e.g. flash applications that enrich the Web Dynpro UI element collection by rich UI elements. This disadvantage doesn't seem so serious but in fact basic features that user expect to receive cannot be implemented (e.g. coloured rows in table, colours in general, advanced aligning of simple UI elements (due to nonexistence of more complicated ones), selecting multiple rows in tree-like tables (this is due to preserving basic concept of WD) and many more). Having the flash feature means that developer completely avoids WD UI (And thus cannot use other features).
rendering speed in browser for larger tables (>1000 rows)
The designtime and runtime environment is part of SAP NetWeaver 7.0[2] (also known as Netweaver 2004s) and following releases.
The name comes after the original Dynpro library, whose name meant "Dynamic Program".
Regards,
Pradeep Kumar

Create image of XSTRING data and display it in Web Dynpro

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