/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*
* Portions Copyright Apache Software Foundation.
*/
package org.apache.taglibs.standard.tag.common.sql;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.jstl.sql.SQLExecutionTag;
import javax.servlet.jsp.tagext.BodyTagSupport;
import org.apache.taglibs.standard.resources.Resources;
/**
* <p>Tag handler for <Param> in JSTL, used to set
* parameter values for a SQL statement.</p>
*
* @author Hans Bergsten
*/
public abstract class ParamTagSupport extends BodyTagSupport {
protected Object value;
//*********************************************************************
// Tag logic
public int doEndTag() throws JspException {
SQLExecutionTag parent = (SQLExecutionTag)
findAncestorWithClass(this, SQLExecutionTag.class);
if (parent == null) {
throw new JspTagException(
Resources.getMessage("SQL_PARAM_OUTSIDE_PARENT"));
}
Object paramValue = null;
if (value != null) {
paramValue = value;
}
else if (bodyContent != null) {
paramValue = bodyContent.getString().trim();
if (((String) paramValue).trim().length() == 0) {
paramValue = null;
}
}
parent.addSQLParameter(paramValue);
return EVAL_PAGE;
}
}