Is there a Java method that encodes a collection of parameters as a URL query component?

Posted by Steven Huwig on Stack Overflow See other posts from Stack Overflow or by Steven Huwig
Published on 2009-09-10T14:47:31Z Indexed on 2010/03/25 23:13 UTC
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Is there a widely-used Java library that does something like what dojo.objectToQuery() does? E.g. (assuming the use of HttpCore's HttpParams object, but any key-value mapping will do):

HttpParams params = new BasicHttpParams()
    .setParameter("foo", "bar")
    .setParameter("thud", "grunt");
UnknownLibrary.toQueryString(params);

should yield "foo=bar&thud=grunt".

I know it's not hard to write but it seems like it should have already been written. I just can't find it.

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