Hello jdbforms-interest,
I'm trying to use DbForms under Tomcat 4.0.6. I use following directive in my jsp pages <%@ page contentType="text/html; charset=windows-1251" %>. I see the data from DB in the correct charset windows-1251. But when I post the data to the DB I've got values ?????? for my db fields. Where should I do conversion from "ISO-8859-1" charset to the "Cp1251"? May be there is the best way to do this? In my old JServ there was a parameter for default encoding. Thanks.
I'm developing application in UTF-8 on postgresql, and I did something like:
1. Add at the top of web.xml filter
<filter>
<filter-name>Set Character Encoding</filter-name>
<filter-class>filters.SetCharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>Set Character Encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>2. In src catalog (class) I've added class:
/*
* $Header: /home/cvsroot/pts-lupus/src/filters/SetCharacterEncodingFilter.java,v 1.1 2003/07/15 10:26:21 tomek Exp $
* $Revision: 1.1 $
* $Date: 2003/07/15 10:26:21 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 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.
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* notice, this list of conditions and the following disclaimer in
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* 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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* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
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* 5. Products derived from this software may not be called "Apache"
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* [Additional notices, if required by prior licensing conditions]
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package filters;
import java.io.IOException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.UnavailableException;
/**
* Example filter that unconditionally sets the character encoding to be used
* in parsing the incoming request to a value specified by the
* <strong>encoding</string> filter initialization parameter in the web app
* deployment descriptor (</code>/WEB-INF/web.xml</code>). This filter could
* easily be extended to be more intelligent about what character encoding to
* set, based on characteristics of the incoming request (such as the values
* of the <code>Accept-Language</code> and <code>User-Agent</code> headers,
* or a value stashed in the current user's session).
*
* @author Craig McClanahan
* @version $Revision: 1.1 $ $Date: 2003/07/15 10:26:21 $
*/
public class SetCharacterEncodingFilter implements Filter {
// ----------------------------------------------------- Instance Variables
/** * The default character encoding to set for requests that pass through * this filter. */ protected String encoding = null;
/**
* The filter configuration object we are associated with. If this value
* is null, this filter instance is not currently configured.
*/
protected FilterConfig filterConfig = null;
// --------------------------------------------------------- Public Methods
/** * Take this filter out of service. */ public void destroy() {
this.encoding = null;
this.filterConfig = null;}
/** * Select and set (if specified) the character encoding to be used to * interpret request parameters for this request. * * @param request The servlet request we are processing * @param result The servlet response we are creating * @param chain The filter chain we are processing * * @exception IOException if an input/output error occurs * @exception ServletException if a servlet error occurs */ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
// Select and set (if needed) the character encoding to be used
String encoding = selectEncoding(request); if (encoding != null)
request.setCharacterEncoding(encoding);
// Pass control on to the next filter
chain.doFilter(request, response);}
/** * Place this filter into service. * * @param filterConfig The filter configuration object */ public void init(FilterConfig filterConfig) throws ServletException {
this.filterConfig = filterConfig;
this.encoding = filterConfig.getInitParameter("encoding");}
// ------------------------------------------------------ Protected Methods
/**
* Select an appropriate character encoding to be used, based on the
* characteristics of the current request and/or filter initialization
* parameters. If no character encoding should be set, return
* <code>null</code>.
* <p>
* The default implementation unconditionally returns the value configured
* by the <strong>encoding</strong> initialization parameter for this
* filter.
*
* @param request The servlet request we are processing
*/
protected String selectEncoding(ServletRequest request) {
return (this.encoding);
}
}
I hope that helps!
regards Tomek
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