tomcat - problem z encodingom

 <%@ page contentType="text/html; charset=iso-8859-2" %>
 

import java.io.IOException;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;

public class EncodingFilter implements Filter
{
  private String encoding = null;
  
  /**
   * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
   */
  public void init(FilterConfig arg0) throws ServletException
  {
    this.encoding = arg0.getInitParameter("encoding");
    if(this.encoding == null)
    {
      this.encoding = "iso-8859-1";
    }

    Helpers.log("Encoding filter initialized!");
  }

  public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
    throws IOException, ServletException
  {
    EncodingRequestWrapper wrapper = 
      new EncodingRequestWrapper((HttpServletRequest) req, this.encoding);
      
    chain.doFilter(wrapper, res);
  }

  /**
   * @see javax.servlet.Filter#destroy()
   */
  public void destroy()
  {
  }
}

import java.util.*;

import javax.servlet.http.*;

/**
 * Request wrapper that takes care of propper character encoding.
 * Java API automatically encodes every request with default system encoding.
 * We don't like that, so we change the encoding of every request param.
 */
public class EncodingRequestWrapper extends HttpServletRequestWrapper
{
  private final String encoding;
  
  /**
   * @param arg0
   */
  public EncodingRequestWrapper(HttpServletRequest req, String encoding)
  {
    super(req);
    
    this.encoding = encoding;
  }

  /**
   * @see javax.servlet.ServletRequest#getParameter(java.lang.String)
   */
  public String getParameter(String arg0)
  {
    return Helpers.encodeString(super.getParameter(arg0), this.encoding);
  }

  /**
   * @see javax.servlet.ServletRequest#getParameterMap()
   */
  public Map getParameterMap()
  {
    Map params = new HashMap();
    params.putAll(super.getParameterMap());
    
    for(Iterator keys = params.keySet().iterator();keys.hasNext();)
    {
      String key = (String) keys.next();
      String[] values = (String[]) params.get(key);
      String[] encodedValues = new String[values.length];
      
      for(int i = 0;i < values.length;i++)
      {
        encodedValues[i] = Helpers.encodeString(values[i], this.encoding);
      }

      params.put(key, encodedValues);
    }
    
    return params;
  }

  /**
   * @see javax.servlet.ServletRequest#getParameterValues(java.lang.String)
   */
  public String[] getParameterValues(String arg0)
  {
    String[] originalValues = super.getParameterValues(arg0);
    String[] paramValues = new String[originalValues.length];
    
    for(int i = 0;i < originalValues.length;i++)
    {
      paramValues[i] = Helpers.encodeString(originalValues[i], this.encoding);
    }

    return paramValues;
  }
}

  public static String encodeString(String s, String encoding)
  {
    String sTemp = null;

    if (s != null)
    {
      try
      {
        sTemp = new String(s.getBytes("iso-8859-1"), encoding);
      }
      catch (UnsupportedEncodingException ex)
      {
        ex.printStackTrace();
      }
    }

    return (sTemp);
  }