characterencodingfilter.java

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package com.nitpro.school.servlet;

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 CharacterEncodingFilter implements Filter {
	private String charset;

	public void init(FilterConfig config) throws ServletException {
		charset = config.getInitParameter("charset");
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding(charset);
		response.setCharacterEncoding(charset);
		chain.doFilter(request, response);
	}

	public void destroy() {
	}

}