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From ma...@apache.org
Subject svn commit: r1230716 - in /tomcat/tc7.0.x/trunk: ./ java/org/apache/el/parser/AstIdentifier.java test/org/apache/el/TestValueExpressionImpl.java webapps/docs/changelog.xml
Date Thu, 12 Jan 2012 19:38:09 GMT
Author: markt
Date: Thu Jan 12 19:38:09 2012
New Revision: 1230716

URL: http://svn.apache.org/viewvc?rev=1230716&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=52440
Need to resolve EL variables when returning ValueReferences
Includes a new test case.

Modified:
    tomcat/tc7.0.x/trunk/   (props changed)
    tomcat/tc7.0.x/trunk/java/org/apache/el/parser/AstIdentifier.java
    tomcat/tc7.0.x/trunk/test/org/apache/el/TestValueExpressionImpl.java
    tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml

Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Thu Jan 12 19:38:09 2012
@@ -1 +1 @@
-/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
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+/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
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Modified: tomcat/tc7.0.x/trunk/java/org/apache/el/parser/AstIdentifier.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/el/parser/AstIdentifier.java?rev=1230716&r1=1230715&r2=1230716&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/el/parser/AstIdentifier.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/el/parser/AstIdentifier.java Thu Jan 12 19:38:09
2012
@@ -24,6 +24,7 @@ import javax.el.MethodInfo;
 import javax.el.MethodNotFoundException;
 import javax.el.PropertyNotFoundException;
 import javax.el.ValueExpression;
+import javax.el.ValueReference;
 import javax.el.VariableMapper;
 
 import org.apache.el.lang.EvaluationContext;
@@ -135,6 +136,25 @@ public final class AstIdentifier extends
         this.image = image;
     }
 
+
+    @Override
+    public ValueReference getValueReference(EvaluationContext ctx) {
+        VariableMapper varMapper = ctx.getVariableMapper();
+
+        if (varMapper == null) {
+            return null;
+        }
+
+        ValueExpression expr = varMapper.resolveVariable(this.image);
+
+        if (expr == null) {
+            return null;
+        }
+
+        return expr.getValueReference(ctx);
+    }
+
+
     private final MethodExpression getMethodExpression(EvaluationContext ctx)
             throws ELException {
         Object obj = null;

Modified: tomcat/tc7.0.x/trunk/test/org/apache/el/TestValueExpressionImpl.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/test/org/apache/el/TestValueExpressionImpl.java?rev=1230716&r1=1230715&r2=1230716&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/test/org/apache/el/TestValueExpressionImpl.java (original)
+++ tomcat/tc7.0.x/trunk/test/org/apache/el/TestValueExpressionImpl.java Thu Jan 12 19:38:09
2012
@@ -64,6 +64,34 @@ public class TestValueExpressionImpl {
     }
 
     @Test
+    public void testGetValueReferenceVariable() {
+        ExpressionFactory factory = ExpressionFactory.newInstance();
+        ELContext context = new ELContextImpl();
+
+        TesterBeanB beanB = new TesterBeanB();
+        beanB.setName("Tomcat");
+        ValueExpression var =
+            factory.createValueExpression(beanB, TesterBeanB.class);
+        context.getVariableMapper().setVariable("beanB", var);
+
+        ValueExpression var2 = factory.createValueExpression(
+                context, "${beanB.name}", String.class);
+
+        context.getVariableMapper().setVariable("foo", var2);
+
+        ValueExpression ve = factory.createValueExpression(
+                context, "${foo}", ValueExpression.class);
+
+
+        // Now check the value reference
+        ValueReference vr = ve.getValueReference(context);
+        assertNotNull(vr);
+
+        assertEquals(beanB, vr.getBase());
+        assertEquals("name", vr.getProperty());
+    }
+
+    @Test
     public void testBug49345() {
         ExpressionFactory factory = ExpressionFactory.newInstance();
         ELContext context = new ELContextImpl();

Modified: tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?rev=1230716&r1=1230715&r2=1230716&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Thu Jan 12 19:38:09 2012
@@ -168,6 +168,13 @@
         <bug>52335</bug>: Only handle <code>&lt;\%</code> and
not
         <code>\%</code> as escaped in template text. (markt)
       </fix>
+      <fix>
+        <bug>52440</bug>: Ensure that when using
+        <code>ValueExpression.getValueReference()</code> if the expression is
an
+        EL variable that the value returned is the <code>ValueReference</code>
+        for the <code>ValueExpression</code> associated with the EL variable.
+        (markt) 
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Web applications">



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