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lukaszlenart pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/struts-site.git
commit 6096b3e51a71e445c39bca3a86382083d0532357
Author: Lukasz Lenart <lukaszlen...@apache.org>
AuthorDate: Wed Nov 15 08:55:53 2017 +0100
Fixes reference to OGNL
---
source/getting-started/form-validation-using-xml.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/source/getting-started/form-validation-using-xml.md
b/source/getting-started/form-validation-using-xml.md
index 473cf8b..c7c95ed 100644
--- a/source/getting-started/form-validation-using-xml.md
+++ b/source/getting-started/form-validation-using-xml.md
@@ -116,7 +116,7 @@ In the example application, we want to ensure the user
checks at least one of th
</validator>
```
-The param name="expression" node contains an OGNL expression that evaluates to
true or false. We haven't previously discussed OGNL, which stands for
Object-Graph Navigation Language (see
[https://github.com/jkuhnert/ognl](https://github.com/jkuhnert/ognl) and
[OGNL](../core-developers/ognl.html) ). OGNL expressions can be evaluated by
the Struts 2 framework as Java statements.
+The param name="expression" node contains an OGNL expression that evaluates to
true or false. We haven't previously discussed OGNL, which stands for
Object-Graph Navigation Language (see
[https://github.com/jkuhnert/ognl](https://github.com/jkuhnert/ognl) and
[OGNL](../tag-developers/ognl.html) ). OGNL expressions can be evaluated by the
Struts 2 framework as Java statements.
In the above XML the value of the param name="expression" node,
personBean.carModels.length \> 0, will be evaluated by the framework as a Java
statement. The part personBean.carModels tells the framework to call the
getCarModels method of class Person. That method returns an Array. Since class
Array has a length attribute, the framework will get the value of the length
attribute of the Array returned by the getCarModels method.
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