?? ajaxencoderfilter.java
字號:
package com.ponyjava.common.struts2;
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.http.HttpServletRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AjaxEncoderFilter implements Filter {
private final String AJAX_ENCODING = "UTF-8";
private final String AJAX_HEADER = "isAjax";
protected Logger log = LoggerFactory.getLogger(AjaxEncoderFilter.class);
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
if (req.getHeader(AJAX_HEADER) != null) {
req.setCharacterEncoding(AJAX_ENCODING);
// 確保不被struts更改
req.getParameter(AJAX_HEADER);
log.debug("ajax request");
}
chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException {
}
public void destroy() {
}
}
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