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From "Bram de Kruijff (JIRA)" <>
Subject [jira] [Created] (ACE-160) REST client interface URI encoding problem with spaces
Date Thu, 28 Jul 2011 21:58:09 GMT
REST client interface URI encoding problem with spaces 

                 Key: ACE-160
             Project: Ace
          Issue Type: Bug
    Affects Versions: 0.8.0
            Reporter: Bram de Kruijff

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/
--- ace-client-rest/src/main/java/org/apache/ace/client/rest/     (revision
+++ ace-client-rest/src/main/java/org/apache/ace/client/rest/     (working
@@ -295,7 +295,8 @@
             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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