Alex Kaiser created WW-5065:
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Summary: AbstractMatcher adds values to the map passed into
replaceParameters
Key: WW-5065
URL: https://issues.apache.org/jira/browse/WW-5065
Project: Struts 2
Issue Type: Bug
Affects Versions: 2.5.22
Reporter: Alex Kaiser
There is a bug with the AbstractMatcher#replaceParameters method in
struts/core/src/main/java/com/opensymphony/xwork2/config/impl/AbstractMatcher.java
(currently lines 153-170). As the function currently works it will return a
map that has more keys than the "orig" map that is passed into it. For example,
assume that I have the following config defined in my struts.xml file:
{code:java}
<package name="test" namespace="/test">
<action name="{paramOne}/{paramTwo} class="org.MyActionClass"
method="execute">
<result name="success" type="stream">
<param name="inputName">random</param>
</result>
</action>
</package>{code}
If you send a request to "/test/uno/dos", this will trigger code in
ActionConfigMatcher (lines 95-103) that will construct the ResultConfig objects
to be used later on. At one point you are going to be making a call to
AbstractMatcher#replaceParameters with something that looks like the following:
orig:
"inputName" -> "random"
vars:
"0" -> "uno/dos"
"paramOne" -> "uno"
"1" -> "uno"
"paramTwo" -> "dos"
"2" -> "dos"
The result of this will be a map that looks like:
"inputName" -> "random"
"paramOne" -> "uno"
"paramTwo" -> "dos"
The bug is that "paramOne" and "paramTwo" should not be in the return map.
For the most part this but won't cause any problems but it will cause some
performance problems in certain situations when trying to set these parameters
on the results objects that aren't expecting them.
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