[Xml] Web.xml - Filter

환경
- weblogic 10
- sitemesh 2.4.1

문제
- UTF-8 환경에서 decorator 태그로 호출되는 영역의 한글깨짐 현상
(ex) <decorator:body />

해결책 2가지(택1)
1. 웹로직 자바 실행환경에 옵션 추가 : -Dfile.encoding=utf-8
2. 필터 추가 : web.xml에 적용

package com.moneta.mobile.cashbook.web.filter;

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 CharsetEncodingFilter implements Filter {
    private String encoding;
    protected FilterConfig filterConfig;

    public void init(FilterConfig filterConfig) throws ServletException {
        this.filterConfig = filterConfig;
        this.encoding = filterConfig.getInitParameter("encoding");
    }

    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        servletRequest.setCharacterEncoding(this.encoding);
        servletResponse.setContentType("text/html;charset=" + this.encoding);
        filterChain.doFilter(servletRequest, servletResponse);
    }

    public void destroy() {
        this.encoding = null;
        this.filterConfig = null;
    }
}