package org.ohdsi.webapi.shiro;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import org.apache.shiro.web.util.WebUtils;
/**
*
* @author gennadiy.anisimov
*/
public abstract class SkipFurtherFilteringFilter implements Filter {
@Override
public void init(FilterConfig fc) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
if (shouldSkip(request, response)) {
HttpServletRequest httpRequest = WebUtils.toHttp(request);
String path = httpRequest.getServletPath() + httpRequest.getPathInfo();
RequestDispatcher requestDispatcher = request.getRequestDispatcher(path);
requestDispatcher.forward(request, response);
}
else {
chain.doFilter(request, response);
}
}
@Override
public void destroy() {
}
protected abstract boolean shouldSkip(ServletRequest request, ServletResponse response);
}