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[lgpl/argeo-commons.git] / org.argeo.server.jcr.mvc / src / org / argeo / jackrabbit / remote / OpenInViewSessionProvider.java

diff --git a/org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/OpenInViewSessionProvider.java b/org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/OpenInViewSessionProvider.java
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+++ b/org.argeo.server.jcr.mvc/src/org/argeo/jackrabbit/remote/OpenInViewSessionProvider.java
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+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.jackrabbit.remote;
+
+import java.io.Serializable;
+
+import javax.jcr.LoginException;
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.jackrabbit.server.SessionProvider;
+import org.argeo.jcr.JcrUtils;
+
+/**
+ * Implements an open session in view patter: a new JCR session is created for
+ * each request
+ */
+public class OpenInViewSessionProvider implements SessionProvider, Serializable {
+       private static final long serialVersionUID = 2270957712453841368L;
+
+       private final static Log log = LogFactory
+                       .getLog(OpenInViewSessionProvider.class);
+
+       public Session getSession(HttpServletRequest request, Repository rep,
+                       String workspace) throws LoginException, ServletException,
+                       RepositoryException {
+               return login(request, rep, workspace);
+       }
+
+       protected Session login(HttpServletRequest request, Repository repository,
+                       String workspace) throws RepositoryException {
+               if (log.isTraceEnabled())
+                       log.trace("Login to workspace "
+                                       + (workspace == null ? "<default>" : workspace)
+                                       + " in web session " + request.getSession().getId());
+               return repository.login(workspace);
+       }
+
+       public void releaseSession(Session session) {
+               JcrUtils.logoutQuietly(session);
+               if (log.isTraceEnabled())
+                       log.trace("Logged out remote JCR session " + session);
+       }
+
+       public void init() {
+       }
+
+       public void destroy() {
+       }
+
+}