View Javadoc

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.console;
21  
22  import groovy.lang.Binding;
23  
24  import org.codehaus.groovy.tools.shell.Groovysh;
25  import org.codehaus.groovy.tools.shell.IO;
26  
27  import com.tinkerpop.gremlin.Gremlin;
28  import com.tinkerpop.gremlin.Imports;
29  import com.tinkerpop.gremlin.console.NullResultHookClosure;
30  
31  public class GremlinWebConsole
32  {
33      private static final Groovysh ERROR_STATE_PLACEHOLDER_FOR_ERRANT_GROOVY_SHELLS = null;
34      private final Groovysh groovy;
35  
36      public GremlinWebConsole( Binding bindings, IO io )
37      {
38          groovy = new Groovysh( bindings, io );
39  
40          groovy.setResultHook( new NullResultHookClosure( groovy ) );
41          for ( String imps : Imports.getImports() )
42          {
43              groovy.execute( "import " + imps );
44          }
45          groovy.setResultHook( new GremlinResultHook( groovy, io ) );
46          Gremlin.load();
47      }
48  
49      protected GremlinWebConsole()
50      {
51          groovy = ERROR_STATE_PLACEHOLDER_FOR_ERRANT_GROOVY_SHELLS;
52      }
53  
54      public void execute( String script )
55      {
56          groovy.execute( script );
57      }
58  }