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1   /**
2    * Copyright (c) 2002-2011 "Neo Technology,"
3    * Network Engine for Objects in Lund AB [http://neotechnology.com]
4    *
5    * This file is part of Neo4j.
6    *
7    * Neo4j is free software: you can redistribute it and/or modify
8    * it under the terms of the GNU General Public License as published by
9    * the Free Software Foundation, either version 3 of the License, or
10   * (at your option) any later version.
11   *
12   * This program is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   * GNU General Public License for more details.
16   *
17   * You should have received a copy of the GNU General Public License
18   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19   */
20  package org.neo4j.server.webadmin.rest;
21  
22  import org.neo4j.server.database.Database;
23  import org.neo4j.server.webadmin.console.GremlinSession;
24  import org.neo4j.server.webadmin.console.ScriptSession;
25  
26  import javax.servlet.http.HttpSession;
27  
28  public class SessionFactoryImpl implements SessionFactory
29  {
30      private HttpSession httpSession;
31  
32      public SessionFactoryImpl(HttpSession httpSession)
33      {
34          this.httpSession = httpSession;
35      }
36  
37      @Override
38      public ScriptSession createSession( String engineName, Database database )
39      {
40          Object session = httpSession.getAttribute( "consoleSession" );
41          if ( session == null )
42          {
43              session = new GremlinSession( database );
44              httpSession.setAttribute( "consoleSession", session );
45          }
46          return (ScriptSession) session;
47      }
48  }