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---------EncodingFilter .java-------
package info.filter;
import java.io.IOException;
import java.util.StringTokenizer;
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.http.HttpServletResponse;
public class EncodingFilter implements Filter {
 protected String encoding = null;
 protected FilterConfig config;
 public void init(FilterConfig filterConfig) throws ServletException {
  this.config = filterConfig;
    this.encoding = filterConfig.getInitParameter("Encoding");
 }
 
 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,ServletException {
  if (request.getCharacterEncoding() == null) {
   
   String encode = getEncoding();
   if (encode != null)
   
    request.setCharact


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