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 @@
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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><\%</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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