org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/OpenInViewSessionProvider.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.jackrabbit.remote;
  17
  18 import java.io.Serializable;
  19
  20 import javax.jcr.LoginException;
  21 import javax.jcr.Repository;
  22 import javax.jcr.RepositoryException;
  23 import javax.jcr.Session;
  24 import javax.servlet.ServletException;
  25 import javax.servlet.http.HttpServletRequest;
  26
  27 import org.apache.commons.logging.Log;
  28 import org.apache.commons.logging.LogFactory;
  29 import org.apache.jackrabbit.server.SessionProvider;
  30 import org.argeo.jcr.JcrUtils;
  31
  32 /**
  33  * Implements an open session in view patter: a new JCR session is created for
  34  * each request
  35  */
  36 public class OpenInViewSessionProvider implements SessionProvider, Serializable {
  37         private static final long serialVersionUID = 2270957712453841368L;
  38
  39         private final static Log log = LogFactory
  40                         .getLog(OpenInViewSessionProvider.class);
  41
  42         public Session getSession(HttpServletRequest request, Repository rep,
  43                         String workspace) throws LoginException, ServletException,
  44                         RepositoryException {
  45                 return login(request, rep, workspace);
  46         }
  47
  48         protected Session login(HttpServletRequest request, Repository repository,
  49                         String workspace) throws RepositoryException {
  50                 if (log.isTraceEnabled())
  51                         log.trace("Login to workspace "
  52                                         + (workspace == null ? "<default>" : workspace)
  53                                         + " in web session " + request.getSession().getId());
  54                 return repository.login(workspace);
  55         }
  56
  57         public void releaseSession(Session session) {
  58                 JcrUtils.logoutQuietly(session);
  59                 if (log.isTraceEnabled())
  60                         log.trace("Logged out remote JCR session " + session);
  61         }
  62
  63         public void init() {
  64         }
  65
  66         public void destroy() {
  67         }
  68
  69 }