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From drobia...@apache.org
Subject svn commit: r750355 - in /tapestry/tapestry5/trunk/tapestry-core/src: main/java/org/apache/tapestry5/internal/beaneditor/ test/java/org/apache/tapestry5/internal/beaneditor/
Date Thu, 05 Mar 2009 07:40:27 GMT
Author: drobiazko
Date: Thu Mar  5 07:40:27 2009
New Revision: 750355

URL: http://svn.apache.org/viewvc?rev=750355&view=rev
Log:
TAP5-520: Using regular expressions with the @Validate annotation causes odd parse errors
if the regexp includes common characters (including commas)

Modified:
    tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGenerator.java
    tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGeneratorTest.java

Modified: tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGenerator.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGenerator.java?rev=750355&r1=750354&r2=750355&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGenerator.java
(original)
+++ tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGenerator.java
Thu Mar  5 07:40:27 2009
@@ -34,7 +34,11 @@
         if (annotation == null)
             return null;
 
-        return Arrays.asList(annotation.value().split(","));
+        //TAP5-520: Commas within regular expressions like {n,m} or {n,} or a\,b .
+        //We use Negative Lookahead to avoid matching the case a\,b .
+        //We use Positive Lookahead to avoid matching cases {n,m} and {n,}.
+        //http://www.regular-expressions.info/lookaround.html
+        return Arrays.asList(annotation.value().split("(?<!\\\\),(?!([0-9]*\\}))"));
     }
 
 }

Modified: tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGeneratorTest.java
URL: http://svn.apache.org/viewvc/tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGeneratorTest.java?rev=750355&r1=750354&r2=750355&view=diff
==============================================================================
--- tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGeneratorTest.java
(original)
+++ tapestry/tapestry5/trunk/tapestry-core/src/test/java/org/apache/tapestry5/internal/beaneditor/ValidateAnnotationConstraintGeneratorTest.java
Thu Mar  5 07:40:27 2009
@@ -61,7 +61,7 @@
     public void multiple_constraints()
     {
         PropertyConduit conduit = mockPropertyConduit();
-        Validate validate = newValidate("required,minlength=3");
+        Validate validate = newValidate("required,minlength=3,regexp=^([a-zA-Z0-9]{2,4})+$");
 
         train_getAnnotation(conduit, Validate.class, validate);
 
@@ -69,7 +69,26 @@
 
         ValidationConstraintGenerator gen = new ValidateAnnotationConstraintGenerator();
 
-        assertEquals(gen.buildConstraints(null, conduit), Arrays.asList("required", "minlength=3"));
+        assertEquals(gen.buildConstraints(null, conduit), Arrays.asList("required", "minlength=3",
"regexp=^([a-zA-Z0-9]{2,4})+$"));
+
+        verify();
+    }
+    
+
+    @Test
+    public void regex_ranges_constraints()
+    {
+        PropertyConduit conduit = mockPropertyConduit();
+        Validate validate = newValidate("regexp=^([a]{50,125}[0-9]{2,4})+$,required,567matcher,regexp=a\\,b,regexp=a{1,}");
+
+        train_getAnnotation(conduit, Validate.class, validate);
+
+        replay();
+
+        ValidationConstraintGenerator gen = new ValidateAnnotationConstraintGenerator();
+
+        assertEquals(gen.buildConstraints(null, conduit), 
+                Arrays.asList("regexp=^([a]{50,125}[0-9]{2,4})+$","required", "567matcher",
"regexp=a\\,b", "regexp=a{1,}"));
 
         verify();
     }



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