server/runtime/org.argeo.server.jcr.mvc/src/main/java/org/argeo/jcr/mvc/OpenSessionInViewJcrInterceptor.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.jcr.mvc;
  18
  19 import javax.jcr.Session;
  20
  21 import org.apache.commons.logging.Log;
  22 import org.apache.commons.logging.LogFactory;
  23 import org.springframework.ui.ModelMap;
  24 import org.springframework.web.context.request.RequestAttributes;
  25 import org.springframework.web.context.request.WebRequest;
  26 import org.springframework.web.context.request.WebRequestInterceptor;
  27
  28 public class OpenSessionInViewJcrInterceptor implements WebRequestInterceptor,
  29                 JcrMvcConstants {
  30         private final static Log log = LogFactory
  31                         .getLog(OpenSessionInViewJcrInterceptor.class);
  32
  33         private Session session;
  34
  35         public void preHandle(WebRequest request) throws Exception {
  36                 if (log.isTraceEnabled())
  37                         log.trace("preHandle: " + request);
  38                 // Authentication auth = SecurityContextHolder.getContext()
  39                 // .getAuthentication();
  40                 // if (auth != null)
  41                 // log.debug("auth=" + auth + ", authenticated="
  42                 // + auth.isAuthenticated() + ", name=" + auth.getName());
  43                 // else
  44                 // log.debug("No auth");
  45
  46                 // FIXME: find a safer way to initialize
  47                 // FIXME: not really needed to initialize here
  48                 // session.getRepository();
  49                 request.setAttribute(REQUEST_ATTR_SESSION, session,
  50                                 RequestAttributes.SCOPE_REQUEST);
  51         }
  52
  53         public void postHandle(WebRequest request, ModelMap model) throws Exception {
  54                 // if (log.isDebugEnabled())
  55                 // log.debug("postHandle: " + request);
  56         }
  57
  58         public void afterCompletion(WebRequest request, Exception ex)
  59                         throws Exception {
  60                 if (log.isTraceEnabled())
  61                         log.trace("afterCompletion: " + request);
  62                 // FIXME: only close session that were open
  63                 session.logout();
  64         }
  65
  66         public void setSession(Session session) {
  67                 this.session = session;
  68         }
  69
  70 }