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https://issues.apache.org/jira/browse/CXF-8089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16909750#comment-16909750
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Andriy Redko commented on CXF-8089:
-----------------------------------
Just to clarify this feature, which is CXF-specific in fact, as per [RFC-6570:
URI Template|https://tools.ietf.org/html/rfc6570]
([https://tools.ietf.org/html/rfc6570]), the query parameters should be
repeated to represent multiple values.
{noformat}
An explode modifier applied to a list variable causes the expansion
to iterate over the list's member values. For path and query
parameter expansions, each member value is paired with the variable's
name as a (varname, value) pair. This allows path and query
parameters to be repeated for multiple values, as in
Given the variable assignments
year := ("1965", "2000", "2012")
dom := ("example", "com")
Example Template Expansion
find{?year*} find?year=1965&year=2000&year=2012
www{.dom*} www.example.com
{noformat}
> Build Comma Separated Values in url from Array/List Query Param
> ---------------------------------------------------------------
>
> Key: CXF-8089
> URL: https://issues.apache.org/jira/browse/CXF-8089
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.2.10, 3.3.3
> Reporter: Sridhar
> Assignee: Andriy Redko
> Priority: Minor
> Fix For: 3.4.0, 3.2.11, 3.3.4
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> https://issues.apache.org/jira/browse/CXF-6941
> Issue reported above is get comma separated values as List on Server side
> (for Query Param).
> [http://localhost:8080/MovieDB/GetJson?name=Actor1,Actor2,Actor3&startDate=20120101&endDate=2012050|http://localhost:8080/MovieDB/GetJson?name=Actor1,Actor2,Actor3&startDate=20120101&endDate=20120505]
> But for Jaxrs- CXF client, when we are trying to build URL from a List or
> Array, I don't see a way to build URL as comma separated values
> The solution provided to use "parse.query.value.as.collection" contextual
> property is not used in org.apache.cxf.jaxrs.client.AbstractClient and
> org.apache.cxf.jaxrs.impl.UriBuilderImpl
> And works only on server side while receiving request, not on client side
> (i.e while building URL from List).
> Switching to "multi" option for query param means, I need to ask all existing
> clients to update the way they build URL, which is not feasible.
>
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