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question asked: Jul 03 '14, 2:57 a.m.
question was seen: 6,575 times
last updated: Oct 17 '18, 6:37 a.m.

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How to get attachment file name of a work item in a customized attribute

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Taki Nakajo (1.1k●29●46) | asked Jul 03 '14, 2:57 a.m.
How can I get attachment file name of a work item in a customized attribute (calculated value or value set)? 
Do we have any way to do?

Background; A customer is using RELM to search RTC artifacts but attachment file name cannot be searched, so he is thinking to put the attachment filename in a customized attribute in a work item.

We are thinking to use HTTP Filtered Value Set Provider as one possible way, it is not successful to run yet. 

http://jorgediazblog.wordpress.com/2012/06/27/work-item-customization-httpconector-and-oauth-in-rtc-4-0-for-oslc/
https://jazz.net/wiki/bin/view/Main/DataSourceValueSetProviders#Tutorial_for_providing_a_custom
https://jazz.net/forum/questions/145566/rational-team-concert-use-httpconnectorparameters-on-calculated-value-script-based-custom-attribute
https://jazz.net/wiki/bin/view/Main/WorkItemAPIsForOSLCCM20#Introduction



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Eric Jodet (6.3k●5●111●120) | answered Jul 03 '14, 4:43 a.m.
JAZZ DEVELOPER
 Hello,
I don't think this can be done: attachment(s) is not an attribute but a link.
You can use RTC Queries to search on attachments names, id:

Eric

Ralph Schoon selected this answer as the correct answer
Comments
Taki Nakajo commented Jul 04 '14, 3:22 a.m.

 How to run a query in calculated value or value set?

Ralph Schoon commented Jul 04 '14, 3:38 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

the only approach that might work is described here: http://jorgediazblog.wordpress.com/2012/06/27/work-item-customization-httpconector-and-oauth-in-rtc-4-0-for-oslc/
You would have to use REST/OSLC to access the query.

2 other answers

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Ralph Schoon (63.6k●3●36●47) | answered Jul 03 '14, 4:49 a.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER
Takki,

as far as I am aware you can't access the attachments collection from JavaScript in calculated value providers.

See: https://jazz.net/library/article/1093 Lab 5 especially the limitations.

You might be able to use tricks like the one provided by Jorge to succeed. Another way to proceed might be using Java as described here: https://rsjazz.wordpress.com/2013/06/26/attribute-customization-java-based-value-providers-conditions-and-validators/

JavaScript won't allow you to do this, I am sure.
Comments
Taki Nakajo commented Jul 04 '14, 3:45 a.m.
In my testing, if I do the following, it works.
1. Customize attribute > Add Value set 'myValueSet’ / provider: HTTP Filtered Value Set Provider  >
    Configuration:
XML data source URL: https://<host>:9443/ccm/oslc/workitems/15/rtc_cm:com.ibm.team.workitem.linktype.attachment.attachment
　Row XPath : //Collection/Attachment
Column XPath expression: ./title
   Column Identifier : title
   Authentication method: OAuth

Taki Nakajo commented Jul 04 '14, 3:45 a.m.

 2. Create an attribute ’TestField1’

3. Set the value set 'myValueSet’ in the attribute.
4. Add an editor presentation for the attribute with kind:picker.
 But If I add an editor presentation for the attribute with kind:string, it won't work because it seems the return value is array.

Taki Nakajo commented Jul 04 '14, 3:57 a.m.

Also it works by following:

1. Customize attribute > Add Value set 'myValueSet3’ / provider: Script based value set  >

dojo.provide("com.example.ValueSetProvider3");
dojo.require("com.ibm.team.workitem.api.common.connectors.HttpConnectorParameters");

(function() {
    dojo.declare("com.example.ValueSetProvider3", null, {

        getValueSet: function(attributeId, workItem, context){


Taki Nakajo commented Jul 04 '14, 3:57 a.m.

        var params= new com.ibm.team.workitem.api.common.connectors.HttpConnectorParameters();
        params.url="https://vappwin2k8r2ja:9443/ccm/oslc/workitems/15/rtc_cm:com.ibm.team.workitem.linktype.attachment.attachment";
        params.xpath= "//Collection/Attachment";
        params.columnXpaths= ["./title"];
        params.columnIds= ["title"];
        params.ignoreInvalidCertificates=true;
        params.useOAuth=true;

        var connector= context.getDataConnector("HttpConnector");
        var values= connector.get(params);
        var result= [];


1
Taki Nakajo commented Jul 04 '14, 3:58 a.m.

         while(values.hasNext()){ 
            var entry= values.next(); 
            var wiIDs= entry.getById("title"); 
            result.push(wiIDs); 
        } 

        return result; 
    } 
   }); 
})();

Taki Nakajo commented Jul 04 '14, 3:59 a.m.

But If I add an editor presentation for the attribute with kind:string instead, it won't work.

showing 5 of 6 show 1 more comments
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kesav d (19●1●17) | answered Oct 17 '18, 6:37 a.m.

 hi 

this line of code

seems to be particular for a work item .
how to make it generic so that when we open a wok item its displays the attachment name attached to this work item.

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