package org.wikipedia.miner.web.util;
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;
public class CharsetFilter implements Filter
{
private String encoding;
public void init(FilterConfig config) throws ServletException
{
encoding = config.getInitParameter("requestEncoding");
if( encoding==null ) encoding="UTF-8";
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain next)
throws IOException, ServletException
{
// Respect the client-specified character encoding
// (see HTTP specification section 3.4.1)
if(null == request.getCharacterEncoding())
request.setCharacterEncoding(encoding);
/**
* Set the default response content type and encoding
*/
response.setContentType("text/html; charset=UTF-8");
response.setCharacterEncoding("UTF-8");
next.doFilter(request, response);
}
public void destroy(){}
}