HttpRequestCallbackHandler.java

   1 package org.argeo.cms.auth;
   2
   3 import java.io.IOException;
   4
   5 import javax.security.auth.callback.Callback;
   6 import javax.security.auth.callback.CallbackHandler;
   7 import javax.security.auth.callback.LanguageCallback;
   8 import javax.security.auth.callback.UnsupportedCallbackException;
   9 import javax.servlet.http.HttpServletRequest;
  10 import javax.servlet.http.HttpServletResponse;
  11
  12 /**
  13  * Callback handler populating {@link HttpRequestCallback}s with the provided
  14  * {@link HttpServletRequest}, and ignoring any other callback.
  15  */
  16 public class HttpRequestCallbackHandler implements CallbackHandler {
  17         final private HttpServletRequest request;
  18         final private HttpServletResponse response;
  19
  20         public HttpRequestCallbackHandler(HttpServletRequest request, HttpServletResponse response) {
  21                 this.request = request;
  22                 this.response = response;
  23         }
  24
  25         @Override
  26         public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
  27                 for (Callback callback : callbacks)
  28                         if (callback instanceof HttpRequestCallback) {
  29                                 ((HttpRequestCallback) callback).setRequest(request);
  30                                 ((HttpRequestCallback) callback).setResponse(response);
  31                         } else if (callback instanceof LanguageCallback) {
  32                                 ((LanguageCallback) callback).setLocale(request.getLocale());
  33                         }
  34         }
  35
  36 }