Andreas Osterburg created MYFACES-4064:
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Summary: EL 3.0 Collection construction broken
Key: MYFACES-4064
URL: https://issues.apache.org/jira/browse/MYFACES-4064
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 2.2.10
Reporter: Andreas Osterburg
Priority: Minor
In EL3.0 your may construct literal sets and maps using curly braces,
e.g. "#{ { 1, 2, 3 } }" for a set or "#{ { 'a':1, 'b':2 } }" for a map.
Unfortunately myfaces cuts the EL expression on the first occurence
of character '}', which is wrong in this case. It happens in ELText.java,
caused by method "findVarLength". Here is patch that fixes this:
--- impl/src/main/java/org/apache/myfaces/view/facelets/el/ELText.java
2016-04-06 14:55:02.000000000 +0200
+++ impl/src/main/java/org/apache/myfaces/view/facelets/el/ELText.java
2016-09-15 12:48:50.163853337 +0200
@@ -699,6 +699,7 @@
int len = ca.length;
char c = 0;
int str = 0;
+ int nest = 0;
while (i < len)
{
c = ca[i];
@@ -717,7 +718,15 @@
str = c;
}
}
- else if (str == 0 && ('}' == c))
+ else if ('{' == c && str == 0)
+ {
+ ++nest;
+ }
+ else if ('}' == c && str == 0 && nest > 1)
+ {
+ --nest;
+ }
+ else if (str == 0 && ('}' == c && nest == 1))
{
return i - s + 1;
}
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