chris@3: /*
chris@3:  *   SONEWS News Server
chris@3:  *   see AUTHORS for the list of contributors
chris@3:  *
chris@3:  *   This program is free software: you can redistribute it and/or modify
chris@3:  *   it under the terms of the GNU General Public License as published by
chris@3:  *   the Free Software Foundation, either version 3 of the License, or
chris@3:  *   (at your option) any later version.
chris@3:  *
chris@3:  *   This program is distributed in the hope that it will be useful,
chris@3:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@3:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@3:  *   GNU General Public License for more details.
chris@3:  *
chris@3:  *   You should have received a copy of the GNU General Public License
chris@3:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@3:  */
chris@3: 
chris@3: package org.sonews.config;
chris@3: 
chris@3: /**
chris@3:  * Configuration facade class.
chris@3:  * @author Christian Lins
chris@3:  * @since sonews/1.0
chris@3:  */
chris@3: public class Config extends AbstractConfig
chris@3: {
chris@3: 
cli@37: 	public static final int LEVEL_CLI = 1;
cli@37: 	public static final int LEVEL_FILE = 2;
cli@37: 	public static final int LEVEL_BACKEND = 3;
cli@37: 	public static final String CONFIGFILE = "sonews.configfile";
cli@37: 	/** BackendConfig key constant. Value is the maximum article size in kilobytes. */
cli@37: 	public static final String ARTICLE_MAXSIZE = "sonews.article.maxsize";
cli@37: 	/** BackendConfig key constant. Value: Amount of news that are feeded per run. */
cli@37: 	public static final String EVENTLOG = "sonews.eventlog";
cli@37: 	public static final String FEED_NEWSPERRUN = "sonews.feed.newsperrun";
cli@37: 	public static final String FEED_PULLINTERVAL = "sonews.feed.pullinterval";
cli@37: 	public static final String HOSTNAME = "sonews.hostname";
cli@37: 	public static final String PORT = "sonews.port";
cli@37: 	public static final String TIMEOUT = "sonews.timeout";
cli@37: 	public static final String LOGLEVEL = "sonews.loglevel";
cli@37: 	public static final String MLPOLL_DELETEUNKNOWN = "sonews.mlpoll.deleteunknown";
cli@37: 	public static final String MLPOLL_HOST = "sonews.mlpoll.host";
cli@37: 	public static final String MLPOLL_PASSWORD = "sonews.mlpoll.password";
cli@37: 	public static final String MLPOLL_USER = "sonews.mlpoll.user";
cli@37: 	public static final String MLSEND_ADDRESS = "sonews.mlsend.address";
cli@37: 	public static final String MLSEND_RW_FROM = "sonews.mlsend.rewrite.from";
cli@37: 	public static final String MLSEND_RW_SENDER = "sonews.mlsend.rewrite.sender";
cli@37: 	public static final String MLSEND_HOST = "sonews.mlsend.host";
cli@37: 	public static final String MLSEND_PASSWORD = "sonews.mlsend.password";
cli@37: 	public static final String MLSEND_PORT = "sonews.mlsend.port";
cli@37: 	public static final String MLSEND_USER = "sonews.mlsend.user";
cli@37: 	/** Key constant. If value is "true" every I/O is written to logfile
cli@37: 	 * (which is a lot!)
cli@37: 	 */
cli@37: 	public static final String DEBUG = "sonews.debug";
cli@37: 	/** Key constant. Value is classname of the JDBC driver */
cli@37: 	public static final String STORAGE_DBMSDRIVER = "sonews.storage.dbmsdriver";
cli@37: 	/** Key constant. Value is JDBC connect String to the database. */
cli@37: 	public static final String STORAGE_DATABASE = "sonews.storage.database";
cli@37: 	/** Key constant. Value is the username for the DBMS. */
cli@37: 	public static final String STORAGE_USER = "sonews.storage.user";
cli@37: 	/** Key constant. Value is the password for the DBMS. */
cli@37: 	public static final String STORAGE_PASSWORD = "sonews.storage.password";
cli@37: 	/** Key constant. Value is the name of the host which is allowed to use the
cli@37: 	 *  XDAEMON command; default: "localhost" */
cli@37: 	public static final String XDAEMON_HOST = "sonews.xdaemon.host";
cli@37: 	/** The config key for the filename of the logfile */
cli@37: 	public static final String LOGFILE = "sonews.log";
cli@37: 	public static final String[] AVAILABLE_KEYS = {
cli@37: 		ARTICLE_MAXSIZE,
cli@37: 		EVENTLOG,
cli@37: 		FEED_NEWSPERRUN,
cli@37: 		FEED_PULLINTERVAL,
cli@37: 		HOSTNAME,
cli@37: 		MLPOLL_DELETEUNKNOWN,
cli@37: 		MLPOLL_HOST,
cli@37: 		MLPOLL_PASSWORD,
cli@37: 		MLPOLL_USER,
cli@37: 		MLSEND_ADDRESS,
cli@37: 		MLSEND_HOST,
cli@37: 		MLSEND_PASSWORD,
cli@37: 		MLSEND_PORT,
cli@37: 		MLSEND_RW_FROM,
cli@37: 		MLSEND_RW_SENDER,
cli@37: 		MLSEND_USER,
cli@37: 		PORT,
cli@37: 		TIMEOUT,
cli@37: 		XDAEMON_HOST
cli@37: 	};
cli@37: 	private static Config instance = new Config();
chris@3: 
cli@37: 	public static Config inst()
cli@37: 	{
cli@37: 		return instance;
cli@37: 	}
chris@3: 
cli@37: 	private Config()
cli@37: 	{
cli@37: 	}
chris@3: 
cli@37: 	@Override
cli@37: 	public String get(String key, String def)
cli@37: 	{
cli@37: 		String val = CommandLineConfig.getInstance().get(key, null);
chris@3: 
cli@37: 		if (val == null) {
cli@37: 			val = FileConfig.getInstance().get(key, null);
cli@37: 		}
chris@3: 
cli@37: 		if (val == null) {
cli@37: 			val = BackendConfig.getInstance().get(key, def);
cli@37: 		}
chris@3: 
cli@37: 		return val;
cli@37: 	}
chris@3: 
cli@37: 	public String get(int maxLevel, String key, String def)
cli@37: 	{
cli@37: 		String val = CommandLineConfig.getInstance().get(key, null);
chris@3: 
cli@37: 		if (val == null && maxLevel >= LEVEL_FILE) {
cli@37: 			val = FileConfig.getInstance().get(key, null);
cli@37: 			if (val == null && maxLevel >= LEVEL_BACKEND) {
cli@37: 				val = BackendConfig.getInstance().get(key, def);
cli@37: 			}
cli@37: 		}
chris@3: 
cli@37: 		return val != null ? val : def;
cli@37: 	}
chris@3: 
cli@37: 	@Override
cli@37: 	public void set(String key, String val)
cli@37: 	{
cli@37: 		set(LEVEL_BACKEND, key, val);
cli@37: 	}
chris@3: 
cli@37: 	public void set(int level, String key, String val)
cli@37: 	{
cli@37: 		switch (level) {
cli@37: 			case LEVEL_CLI: {
cli@37: 				CommandLineConfig.getInstance().set(key, val);
cli@37: 				break;
cli@37: 			}
cli@37: 			case LEVEL_FILE: {
cli@37: 				FileConfig.getInstance().set(key, val);
cli@37: 				break;
cli@37: 			}
cli@37: 			case LEVEL_BACKEND: {
cli@37: 				BackendConfig.getInstance().set(key, val);
cli@37: 				break;
cli@37: 			}
cli@37: 		}
cli@37: 	}
chris@3: }