org.beangle.web.filter.CharacterEncodingFilter.java Source code

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Here is the source code for org.beangle.web.filter.CharacterEncodingFilter.java

Source

/* Copyright c 2005-2012.
 * Licensed under GNU  LESSER General Public License, Version 3.
 * http://www.gnu.org/licenses
 */
package org.beangle.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;

import org.apache.commons.lang.StringUtils;

public class CharacterEncodingFilter implements Filter {

    protected String encoding = "utf-8";

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

    public void init(FilterConfig filterConfig) throws ServletException {
        String initEncoding = filterConfig.getInitParameter("encoding");
        if (StringUtils.isNotBlank(initEncoding)) {
            this.encoding = initEncoding;
        }
    }

    public void destroy() {
        encoding = null;
    }

}