Add some checks to prevent #13 happen.
3 * see AUTHORS for the list of contributors
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 package org.sonews.config;
21 import java.util.logging.Level;
22 import org.sonews.util.Log;
23 import org.sonews.storage.StorageBackendException;
24 import org.sonews.storage.StorageManager;
25 import org.sonews.util.TimeoutMap;
28 * Provides access to the program wide configuration that is stored within
29 * the server's database.
30 * @author Christian Lins
33 class BackendConfig extends AbstractConfig
36 private static BackendConfig instance = new BackendConfig();
38 public static BackendConfig getInstance()
43 private final TimeoutMap<String, String> values
44 = new TimeoutMap<String, String>();
46 private BackendConfig()
52 * Returns the config value for the given key or the defaultValue if the
53 * key is not found in config.
59 public String get(String key, String defaultValue)
63 String configValue = values.get(key);
64 if(configValue == null)
66 if(StorageManager.current() == null)
68 Log.get().warning("BackendConfig not available, using default.");
72 configValue = StorageManager.current().getConfigValue(key);
73 if(configValue == null)
79 values.put(key, configValue);
88 catch(StorageBackendException ex)
90 Log.get().log(Level.SEVERE, "Storage backend problem", ex);
96 * Sets the config value which is identified by the given key.
100 public void set(String key, String value)
102 values.put(key, value);
106 // Write values to database
107 StorageManager.current().setConfigValue(key, value);
109 catch(StorageBackendException ex)
111 ex.printStackTrace();