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https://issues.apache.org/jira/browse/ACE-160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13072592#comment-13072592
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Marcel Offermans commented on ACE-160:
--------------------------------------
The methods "buildPathFromElements" and "getPathElements" should remain
symmetrical, so I'm going to apply this patch plus some more, and I'll add a
test to validate this behaviour.
> REST client interface URI encoding problem with spaces
> -------------------------------------------------------
>
> Key: ACE-160
> URL: https://issues.apache.org/jira/browse/ACE-160
> Project: Ace
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Bram de Kruijff
> Assignee: Marcel Offermans
>
> RESTClientServlet uses URLEncoder.encode(..) on resource identifiers. This is
> ok most of the time, but breaks a client when there is a space in the
> association filter used used as part the identifier. Eg. Features and
> distributions use the name attribute in the association filter, so when one
> creates a feature with a space in the name "My Feature" the filter be
> something like (&(name=My Feature)).
> The problem...
> URLEncoder.encode(...) encodes into application/x-www-form-urlencoded which
> is ok for a querystring, not for a URI.
> What happens...
> 1. URLEncoder.encode(..) will translated "My Feature" into "My+Feature"
> 2. When a client (eg perl) uir_decodes this the result will still be
> "My+Feature"
> 3. Using this as identifier in for example an association will fail.
> My workaround...
> Index:
> ace-client-rest/src/main/java/org/apache/ace/client/rest/RESTClientServlet.java
> ===================================================================
> ---
> ace-client-rest/src/main/java/org/apache/ace/client/rest/RESTClientServlet.java
> (revision 1150996)
> +++
> ace-client-rest/src/main/java/org/apache/ace/client/rest/RESTClientServlet.java
> (working copy)
> @@ -295,7 +295,8 @@
> result.append('/');
> }
> try {
> - result.append(URLEncoder.encode(element, "UTF-8"));
> + //URL Encode is not for path
> + result.append(URLEncoder.encode(element,
> "UTF-8").replaceAll("\\+", "%20"));
> }
> catch (UnsupportedEncodingException e) {} // ignored on purpose,
> any JVM must support UTF-8
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