/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
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* Foundation" must not be used to endorse or promote products derived
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
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package org.apache.commons.jelly.tags.sql;
import java.util.*;
import javax.servlet.jsp.jstl.sql.SQLExecutionTag;
import org.apache.commons.jelly.JellyContext;
import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.TagSupport;
import org.apache.commons.jelly.XMLOutput;
import org.apache.commons.jelly.tags.Resources;
/**
* <p>Tag handler for <Param> in JSTL, used to set
* parameter values for a SQL statement.</p>
*
* @author Hans Bergsten
*/
public class ParamTag extends TagSupport {
protected Object value;
public void setValue(Object value) {
this.value = value;
}
//*********************************************************************
// Tag logic
public void doTag(XMLOutput output) throws Exception {
SQLExecutionTag parent =
(SQLExecutionTag) findAncestorWithClass(this, SQLExecutionTag.class);
if (parent == null) {
throw new JellyException(Resources.getMessage("SQL_PARAM_OUTSIDE_PARENT"));
}
Object paramValue = value;
if (value != null) {
paramValue = value;
}
else {
String bodyContent = getBodyText();
if (bodyContent != null) {
bodyContent = bodyContent.trim();
if (bodyContent.length() > 0) {
paramValue = bodyContent;
}
}
}
parent.addSQLParameter(paramValue);
}
}