/* | |
* Copyright 2003,2004 The Apache Software Foundation. | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package org.apache.pluto.tags.el; | |
import javax.servlet.jsp.el.ExpressionEvaluator; | |
import javax.servlet.jsp.el.ELException; | |
import javax.servlet.jsp.JspException; | |
public class ParamTag extends org.apache.pluto.tags.ParamTag { | |
public String getValue() throws JspException { | |
String string = super.getValue(); | |
ExpressionEvaluator eval = pageContext.getExpressionEvaluator(); | |
try { | |
Object evaluated = eval.evaluate( | |
string, | |
Object.class, | |
pageContext.getVariableResolver(), | |
null | |
); | |
if(evaluated != null) { | |
string = evaluated.toString(); | |
} | |
} | |
catch(ELException el) { | |
throw new JspException(el); | |
} | |
return string; | |
} | |
} |