https://issues.apache.org/bugzilla/show_bug.cgi?id=54144
Priority: P2
Bug ID: 54144
Assignee: [email protected]
Summary: Processing of java.io.Reader in "Out" tagplugin
Severity: minor
Classification: Unclassified
OS: Windows XP
Reporter: [email protected]
Hardware: PC
Status: NEW
Version: 7.0.32
Component: Jasper
Product: Tomcat 7
Reviewing r1401816 I see two issues in tagplugin
o.a.jasper.tagplugins.jstl.core.Out:
The code that the plugin generates calls value.toString(), default.toString()
and passes these String values to the static method Out.output(...). This new
method was added in r1401816.
I think the output() method should accept Objects instead of Strings, because
the following is wrong:
1. The evaluation of default.toString() is not needed at all if the default is
not used.
2. The JSTL spec (1.1, 1.2) says that there is special processing if value is
java.io.Reader. There is no such processing in the current code. (It seems that
this feature was added in JSTL 1.1).
[quote]
If the result of the evaluation is not a java.io.Reader object, then it is
coerced to
a String and is subsequently emitted into the current JspWriter object.
If the result of the evaluation is a java.io.Reader object, data is first read
from the
Reader object and then written into the current JspWriter object.
[/quote]
These two issues are not new - they existed before the recent changes.
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