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https://issues.apache.org/jira/browse/HTTPCLIENT-1889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Gregory closed HTTPCLIENT-1889.
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Resolution: Fixed
Fix Version/s: 4.5.5
In git branch 4.5.x.
> org.apache.http.client.utils.URLEncodedUtils.parse() should return a new
> ArrayList when there are no query parameters
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-1889
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1889
> Project: HttpComponents HttpClient
> Issue Type: Improvement
> Components: HttpClient (classic)
> Affects Versions: 4.5.4
> Reporter: Gary Gregory
> Assignee: Gary Gregory
> Fix For: 4.5.5
>
>
> {{org.apache.http.client.utils.URLEncodedUtils.parse(URI, Charset)}} should
> return a new {{ArrayList}} when there are no query parameters.
> Currently, {{org.apache.http.client.utils.URLEncodedUtils.parse(URI,
> Charset)}} returns an immutable list through {{Collections.emptyList()}} if
> there are no params> But if there are parameters, the method returns a
> mutable list.
> This makes it impossible to write the same code to handle both cases.
> This change will cause the method to return a new {{ArrayList}} if there are
> no parameters.
> The methods that are directly affected are:
> - {{org.apache.http.client.utils.URLEncodedUtils.parse(URI, Charset)}}
> - {{org.apache.http.client.utils.URLEncodedUtils.parse(HttpEntity)}}
> - {{org.apache.http.client.utils.URLEncodedUtils.parse(String, Charset)}}
> - {{org.apache.http.client.utils.URLEncodedUtils.parse(String, Charset,
> char...)}}
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