/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jstl.el;
import com.caucho.el.Expr;
import com.caucho.util.L10N;
import javax.el.ELContext;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.jstl.sql.SQLExecutionTag;
import javax.servlet.jsp.tagext.Tag;
import javax.servlet.jsp.tagext.TagSupport;
/**
* Looks up an i18n message from a bundle and prints it.
*/
public class SqlDateParamTag extends TagSupport {
private static L10N L = new L10N(SqlDateParamTag.class);
private Expr _valueExpr;
private Expr _typeExpr;
/**
* Sets the value
*
* @param value the JSP-EL expression for the value.
*/
public void setValue(Expr value)
{
_valueExpr = value;
}
/**
* Sets the type
*
* @param type the JSP-EL expression for the type.
*/
public void setType(Expr type)
{
_typeExpr = type;
}
/**
* Process the tag.
*/
public int doStartTag()
throws JspException
{
ELContext env = pageContext.getELContext();
Object value = _valueExpr.evalObject(env);
long time = 0;
Object result = null;
if (value == null) {
}
else if (value instanceof Number)
time = ((Number) value).longValue();
else if (value instanceof java.util.Date)
time = ((java.util.Date) value).getTime();
else if (value instanceof java.sql.Date)
time = ((java.sql.Date) value).getTime();
else
throw new JspException(L.l("sql:dateParam requires at date at `{0}'", value));
if (value == null)
result = null;
else if (_typeExpr == null)
result = new java.sql.Timestamp(time);
else {
String type = _typeExpr.evalString(env);
if (type.equals("time"))
result = new java.sql.Time(time);
else if (type.equals("date"))
result = new java.sql.Date(time);
else
result = new java.sql.Timestamp(time);
}
Tag parent = getParent();
for (;
parent != null && ! (parent instanceof SQLExecutionTag);
parent = parent.getParent()) {
}
if (parent == null)
throw new JspException(L.l("sql:dateParam requires sql:query parent."));
SQLExecutionTag tag = (SQLExecutionTag) parent;
tag.addSQLParameter(result);
return SKIP_BODY;
}
}