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package com.sun.faces.systest;
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.ServletContext;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import com.sun.faces.config.WebConfiguration;
/**
* a filter which sets the character encoding of the request and response to the one set by the browsers
* Accept-Encoding header.
* This is mainly usful for the UnicodeTestCase where we have to check the response with different encodings.
*/
public class UnicodeBeanFilter implements Filter {
private ServletContext ctx;
public void init(FilterConfig filterConfig) throws ServletException {
ctx = filterConfig.getServletContext();
}
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
if (servletRequest instanceof HttpServletRequest) {
HttpServletRequest hreq = (HttpServletRequest) servletRequest;
String charsetEncoding = hreq.getHeader("Accept-Encoding");
servletRequest.setCharacterEncoding(charsetEncoding);
servletResponse.setCharacterEncoding(charsetEncoding);
WebConfiguration config = WebConfiguration.getInstance(ctx);
config.overrideContextInitParameter(WebConfiguration.WebContextInitParameter.DisableUnicodeEscaping, servletRequest.getParameter("escape"));
}
filterChain.doFilter(servletRequest, servletResponse);
}
public void destroy() {
}
}