Author: jboynes
Date: Sun Oct 24 00:40:10 2010
New Revision: 1026721
URL: http://svn.apache.org/viewvc?rev=1026721&view=rev
Log:
Add JSTL 1.0 If tag that uses javax.el to process EL expressions
Added:
tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/IfTag.java
Added:
tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/IfTag.java
URL:
http://svn.apache.org/viewvc/tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/IfTag.java?rev=1026721&view=auto
==============================================================================
---
tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/IfTag.java
(added)
+++
tomcat/taglibs/standard/trunk/compat/src/main/java/org/apache/taglibs/standard/tag/compat/core/IfTag.java
Sun Oct 24 00:40:10 2010
@@ -0,0 +1,32 @@
+package org.apache.taglibs.standard.tag.compat.core;
+
+import javax.el.ValueExpression;
+import javax.servlet.jsp.JspTagException;
+import javax.servlet.jsp.jstl.core.ConditionalTagSupport;
+
+import org.apache.taglibs.standard.util.ExpressionUtil;
+
+/**
+ * JSTL 1.0 compatible implementation of <if> that uses JSP EL support.
+ */
+public class IfTag extends ConditionalTagSupport {
+ private ValueExpression testExpression;
+
+ public IfTag() {
+ }
+
+ @Override
+ public void release() {
+ testExpression = null;
+ super.release();
+ }
+
+ @Override
+ protected boolean condition() throws JspTagException {
+ return (Boolean) testExpression.getValue(pageContext.getELContext());
+ }
+
+ public void setTest(String test) {
+ testExpression = ExpressionUtil.createValueExpression(pageContext,
test, Boolean.TYPE);
+ }
+}
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