Servlet3.x 系で web.xml 書きたくないけど、SetCharacterEncodingFilter 使って tomcat の例の文字化けを回避したい

こんなクラス入れておくだけだた。

/**
 * 
 */
package org.yoshiori;

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;
import javax.servlet.annotation.WebFilter;


/**
 * @author yoshiori_shoji
 *
 */
@WebFilter("/*")
public class SetCharacterEncodingFilter implements Filter {

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

	/* (non-Javadoc)
	 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
	 */
	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		  request.setCharacterEncoding("UTF-8");

		  chain.doFilter(request, response);
	}

	/* (non-Javadoc)
	 * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
	 */
	@Override
	public void init(FilterConfig config) throws ServletException {
	}

}