1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/org/sonews/daemon/Config.java Fri Jun 26 16:48:50 2009 +0200
1.3 @@ -0,0 +1,149 @@
1.4 +/*
1.5 + * SONEWS News Server
1.6 + * see AUTHORS for the list of contributors
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +
1.22 +package org.sonews.daemon;
1.23 +
1.24 +import org.sonews.util.Log;
1.25 +import java.sql.SQLException;
1.26 +import org.sonews.daemon.storage.Database;
1.27 +import org.sonews.util.AbstractConfig;
1.28 +import org.sonews.util.TimeoutMap;
1.29 +
1.30 +/**
1.31 + * Provides access to the program wide configuration that is stored within
1.32 + * the server's database.
1.33 + * @author Christian Lins
1.34 + * @since sonews/0.5.0
1.35 + */
1.36 +public final class Config extends AbstractConfig
1.37 +{
1.38 +
1.39 + /** Config key constant. Value is the maximum article size in kilobytes. */
1.40 + public static final String ARTICLE_MAXSIZE = "sonews.article.maxsize";
1.41 +
1.42 + /** Config key constant. Value: Amount of news that are feeded per run. */
1.43 + public static final String FEED_NEWSPERRUN = "sonews.feed.newsperrun";
1.44 + public static final String FEED_PULLINTERVAL = "sonews.feed.pullinterval";
1.45 + public static final String HOSTNAME = "sonews.hostname";
1.46 + public static final String PORT = "sonews.port";
1.47 + public static final String TIMEOUT = "sonews.timeout";
1.48 + public static final String MLPOLL_DELETEUNKNOWN = "sonews.mlpoll.deleteunknown";
1.49 + public static final String MLPOLL_HOST = "sonews.mlpoll.host";
1.50 + public static final String MLPOLL_PASSWORD = "sonews.mlpoll.password";
1.51 + public static final String MLPOLL_USER = "sonews.mlpoll.user";
1.52 + public static final String MLSEND_ADDRESS = "sonews.mlsend.address";
1.53 + public static final String MLSEND_RW_FROM = "sonews.mlsend.rewrite.from";
1.54 + public static final String MLSEND_RW_SENDER = "sonews.mlsend.rewrite.sender";
1.55 + public static final String MLSEND_HOST = "sonews.mlsend.host";
1.56 + public static final String MLSEND_PASSWORD = "sonews.mlsend.password";
1.57 + public static final String MLSEND_PORT = "sonews.mlsend.port";
1.58 + public static final String MLSEND_USER = "sonews.mlsend.user";
1.59 +
1.60 + public static final String[] AVAILABLE_KEYS = {
1.61 + Config.ARTICLE_MAXSIZE,
1.62 + Config.FEED_NEWSPERRUN,
1.63 + Config.FEED_PULLINTERVAL,
1.64 + Config.HOSTNAME,
1.65 + Config.MLPOLL_DELETEUNKNOWN,
1.66 + Config.MLPOLL_HOST,
1.67 + Config.MLPOLL_PASSWORD,
1.68 + Config.MLPOLL_USER,
1.69 + Config.MLSEND_ADDRESS,
1.70 + Config.MLSEND_HOST,
1.71 + Config.MLSEND_PASSWORD,
1.72 + Config.MLSEND_PORT,
1.73 + Config.MLSEND_RW_FROM,
1.74 + Config.MLSEND_RW_SENDER,
1.75 + Config.MLSEND_USER,
1.76 + Config.PORT,
1.77 + Config.TIMEOUT
1.78 + };
1.79 +
1.80 + private static Config instance = new Config();
1.81 +
1.82 + public static Config getInstance()
1.83 + {
1.84 + return instance;
1.85 + }
1.86 +
1.87 + private final TimeoutMap<String, String> values
1.88 + = new TimeoutMap<String, String>();
1.89 +
1.90 + private Config()
1.91 + {
1.92 + super();
1.93 + }
1.94 +
1.95 + /**
1.96 + * Returns the config value for the given key or the defaultValue if the
1.97 + * key is not found in config.
1.98 + * @param key
1.99 + * @param defaultValue
1.100 + * @return
1.101 + */
1.102 + public String get(String key, String defaultValue)
1.103 + {
1.104 + try
1.105 + {
1.106 + String configValue = values.get(key);
1.107 + if(configValue == null)
1.108 + {
1.109 + configValue = Database.getInstance().getConfigValue(key);
1.110 + if(configValue == null)
1.111 + {
1.112 + return defaultValue;
1.113 + }
1.114 + else
1.115 + {
1.116 + values.put(key, configValue);
1.117 + return configValue;
1.118 + }
1.119 + }
1.120 + else
1.121 + {
1.122 + return configValue;
1.123 + }
1.124 + }
1.125 + catch(SQLException ex)
1.126 + {
1.127 + Log.msg(ex.getMessage(), false);
1.128 + return defaultValue;
1.129 + }
1.130 + }
1.131 +
1.132 + /**
1.133 + * Sets the config value which is identified by the given key.
1.134 + * @param key
1.135 + * @param value
1.136 + */
1.137 + public void set(String key, String value)
1.138 + {
1.139 + values.put(key, value);
1.140 +
1.141 + try
1.142 + {
1.143 + // Write values to database
1.144 + Database.getInstance().setConfigValue(key, value);
1.145 + }
1.146 + catch(SQLException ex)
1.147 + {
1.148 + ex.printStackTrace();
1.149 + }
1.150 + }
1.151 +
1.152 +}