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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.startup.healthcheck;
21  
22  import java.io.File;
23  import java.util.Properties;
24  
25  import org.neo4j.server.configuration.Configurator;
26  
27  public class ConfigFileMustBePresentRule implements StartupHealthCheckRule {
28      private static final String EMPTY_STRING = "";
29      private boolean passed = false;
30      private boolean ran = false;
31      private String failureMessage = EMPTY_STRING;
32  
33      public boolean execute(Properties properties) {
34          ran = true;
35  
36          String configFilename = properties.getProperty(Configurator.NEO_SERVER_CONFIG_FILE_KEY);
37          
38          if(configFilename == null) {
39              failureMessage = String.format("Property [%s] has not been set.", Configurator.NEO_SERVER_CONFIG_FILE_KEY);
40              
41              return false;
42          }
43          
44          File configFile = new File(configFilename);
45          if(!configFile.exists()) {
46              failureMessage = String.format("No configuration file at [%s]", configFile.getAbsoluteFile());
47              return false;
48          }
49          
50          passed = true;
51          return passed;
52      }
53  
54      public String getFailureMessage() {
55          if(passed) {
56              return EMPTY_STRING;
57          }
58          
59          if(!ran) {
60              return String.format("%s has not been run", getClass().getName());
61          } else {
62              return failureMessage;
63          }
64      }
65  }