How can I get the request URL from a Java Filter

Question

I am trying to write a filter that can retrieve the request URL  but I m not sure how to do so   Here is what I have so far   import javax servlet    import javax servlet http HttpServletRequest  import java io IOException   public class MyFilter implements Filter       public void init FilterConfig config  throws ServletException          public void doFilter ServletRequest request  ServletResponse response  FilterChain chain  throws ServletException  IOException           chain doFilter request  response            String url     HttpServletRequest  request  getPathTranslated            System out println  Url      url              public void destroy           When I hit a page on my server  the only output I see is  Url  null    What is the correct way to get the requested URL from a given ServletRequest object in a Filter

User · Answer

request getRequestURL          Documentation

User · Answer

Building on another answer on this page   public static String getCurrentUrlFromRequest ServletRequest request       if     request instanceof HttpServletRequest          return null      return getCurrentUrlFromRequest  HttpServletRequest request      public static String getCurrentUrlFromRequest HttpServletRequest request        StringBuffer requestURL   request getRequestURL        String queryString   request getQueryString         if  queryString    null          return requestURL toString         return requestURL append      append queryString  toString

User · Answer

Is this what you re looking for   if  request instanceof HttpServletRequest     String url     HttpServletRequest request  getRequestURL   toString     String queryString     HttpServletRequest request  getQueryString        To Reconstruct   System out println url         queryString     Info on HttpServletRequest getRequestURL   and HttpServletRequest getQueryString

[java] How can I get the request URL from a Java Filter?

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