/*
* 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 SoftwareFoundation, 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.jsp.PageContextImpl;
import com.caucho.util.L10N;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.jstl.core.Config;
import javax.servlet.jsp.tagext.TagSupport;
import java.io.UnsupportedEncodingException;
/**
* Sets the i18n locale bundle for the current page.
*/
public class RequestEncodingTag extends TagSupport {
private static L10N L = new L10N(RequestEncodingTag.class);
private Expr _valueExpr;
/**
* Sets the JSP-EL expression for the locale value.
*/
public void setValue(Expr value)
{
_valueExpr = value;
}
/**
* Process the tag.
*/
public int doStartTag()
throws JspException
{
PageContextImpl pageContext = (PageContextImpl) this.pageContext;
HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
try {
String value = null;
if (_valueExpr != null)
value = _valueExpr.evalString(pageContext.getELContext());
else
value = (String) Config.find(pageContext, "javax.servlet.jsp.jstl.fmt.request.charset");
if (value != null && ! value.equals(""))
request.setCharacterEncoding(value);
else if (request.getCharacterEncoding() == null)
request.setCharacterEncoding("ISO-8859-1");
} catch (UnsupportedEncodingException e) {
throw new JspException(e);
}
return SKIP_BODY;
}
}