标签:Set java 示例 request ServletResponse 拦截器 ALLOWED login response
@WebFilter(filterName = "validateLoginStatusFilter", urlPatterns = { "/*" }, asyncSupported = true)
public class validateLoginStatusFilter implements Filter {
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
String ServletPath = ((HttpServletRequest) request).getServletPath();
final Set<String> ALLOWED_PATHS = Collections
.unmodifiableSet(Set.of("/login.jsp", "/signup.jsp", "/login", "/register",));
final Set<String> ALLOWED_STATIC = Collections
.unmodifiableSet(Set.of(".css", ".js", ".jpg", ".png", ".svg", ".webp", ".tff", ".woff", ".woff2"));
if (CookieUtils.hasCookie((HttpServletRequest) request, "id") || ALLOWED_PATHS.contains(ServletPath)
|| ALLOWED_STATIC.stream().filter(e -> ServletPath.endsWith(e)).count() > 0) {
chain.doFilter(request, response);
} else {
((ServletResponse) response).setContentType("text/html;charset=UTF-8");
PrintWriter out = ((ServletResponse) response).getWriter();
out.print(
"<script charset='utf-8' type='text/javascript' language='javascript'>alert('you are not log in yet!')</script>");
((HttpServletResponse) response).setHeader("Refresh", "1;URL=login.jsp");
}
}
}
标签:Set,java,示例,request,ServletResponse,拦截器,ALLOWED,login,response 来源: https://blog.csdn.net/cxyd4399/article/details/123190600
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