org.apache.taglibs.standard.tag.el.sql.DateParamTag Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jakarta.servlet.jsp.jstl Show documentation
Show all versions of jakarta.servlet.jsp.jstl Show documentation
Jakarta Standard Tag Library Implementation
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
* Copyright 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.taglibs.standard.tag.el.sql;
import java.util.Date;
import jakarta.servlet.jsp.JspException;
import org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager;
import org.apache.taglibs.standard.tag.common.sql.DateParamTagSupport;
/**
* Subclass for the JSTL library with EL support.
*
* @author Justyna Horwat
*/
public class DateParamTag extends DateParamTagSupport {
private String valueEL;
private String typeEL;
public void setValue(String valueEL) {
this.valueEL = valueEL;
}
public void setType(String typeEL) {
this.typeEL = typeEL;
}
public int doStartTag() throws JspException {
evaluateExpressions();
return super.doStartTag();
}
//*********************************************************************
// Private utility methods
// Evaluates expressions as necessary
private void evaluateExpressions() throws JspException {
if (valueEL != null) {
value = (Date) ExpressionEvaluatorManager.evaluate(
"value", valueEL, Date.class, this, pageContext);
}
if (typeEL != null) {
type = (String) ExpressionEvaluatorManager.evaluate(
"type", typeEL, String.class, this, pageContext);
}
}
}