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import org.springframework.stereotype.Component;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.FilterConfig;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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public class UrlFilter implements Filter {
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@Value("${application.pre.url}")
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private String preUrl;
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@Override
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public void init(FilterConfig filterConfig) throws ServletException {
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}
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@Override
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
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HttpServletResponse response = (HttpServletResponse) servletResponse;
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HttpServletRequest request = (HttpServletRequest) servletRequest;
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String requestURI = request.getRequestURI();
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String[] split = requestURI.split("/");
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if (split != null && split.length > 1 && split[1].equals(preUrl)) {
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request.getRequestDispatcher(requestURI.substring(preUrl.length() + 1, requestURI.length())).forward(request, response);
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} else {
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filterChain.doFilter(request, response);
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}
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}
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@Override
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public void destroy() {
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}
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}
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