src/org/sonews/config/Config.java
author cli
Mon Aug 30 00:20:06 2010 +0200 (2010-08-30)
changeset 39 73b21e9f3958
parent 35 ed84c8bdd87b
child 45 7e24949b87b0
permissions -rw-r--r--
Some work on XDAEMON command.
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/*
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 *   SONEWS News Server
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 *   see AUTHORS for the list of contributors
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 *
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 *   This program is free software: you can redistribute it and/or modify
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 *   it under the terms of the GNU General Public License as published by
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 *   the Free Software Foundation, either version 3 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU General Public License for more details.
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 *
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 *   You should have received a copy of the GNU General Public License
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 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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package org.sonews.config;
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/**
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 * Configuration facade class.
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 * @author Christian Lins
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 * @since sonews/1.0
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 */
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public class Config extends AbstractConfig
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{
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	public static final int LEVEL_CLI = 1;
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	public static final int LEVEL_FILE = 2;
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	public static final int LEVEL_BACKEND = 3;
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	public static final String CONFIGFILE = "sonews.configfile";
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	/** BackendConfig key constant. Value is the maximum article size in kilobytes. */
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	public static final String ARTICLE_MAXSIZE = "sonews.article.maxsize";
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	/** BackendConfig key constant. Value: Amount of news that are feeded per run. */
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	public static final String EVENTLOG = "sonews.eventlog";
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	public static final String FEED_NEWSPERRUN = "sonews.feed.newsperrun";
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	public static final String FEED_PULLINTERVAL = "sonews.feed.pullinterval";
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	public static final String HOSTNAME = "sonews.hostname";
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	public static final String PORT = "sonews.port";
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	public static final String TIMEOUT = "sonews.timeout";
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	public static final String LOGLEVEL = "sonews.loglevel";
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	public static final String MLPOLL_DELETEUNKNOWN = "sonews.mlpoll.deleteunknown";
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	public static final String MLPOLL_HOST = "sonews.mlpoll.host";
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	public static final String MLPOLL_PASSWORD = "sonews.mlpoll.password";
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	public static final String MLPOLL_USER = "sonews.mlpoll.user";
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	public static final String MLSEND_ADDRESS = "sonews.mlsend.address";
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	public static final String MLSEND_RW_FROM = "sonews.mlsend.rewrite.from";
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	public static final String MLSEND_RW_SENDER = "sonews.mlsend.rewrite.sender";
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	public static final String MLSEND_HOST = "sonews.mlsend.host";
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	public static final String MLSEND_PASSWORD = "sonews.mlsend.password";
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	public static final String MLSEND_PORT = "sonews.mlsend.port";
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	public static final String MLSEND_USER = "sonews.mlsend.user";
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	/** Key constant. If value is "true" every I/O is written to logfile
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	 * (which is a lot!)
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	 */
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	public static final String DEBUG = "sonews.debug";
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	/** Key constant. Value is classname of the JDBC driver */
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	public static final String STORAGE_DBMSDRIVER = "sonews.storage.dbmsdriver";
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	/** Key constant. Value is JDBC connect String to the database. */
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	public static final String STORAGE_DATABASE = "sonews.storage.database";
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	/** Key constant. Value is the username for the DBMS. */
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	public static final String STORAGE_USER = "sonews.storage.user";
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	/** Key constant. Value is the password for the DBMS. */
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	public static final String STORAGE_PASSWORD = "sonews.storage.password";
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	/** Key constant. Value is the name of the host which is allowed to use the
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	 *  XDAEMON command; default: "localhost" */
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	public static final String XDAEMON_HOST = "sonews.xdaemon.host";
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	/** The config key for the filename of the logfile */
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	public static final String LOGFILE = "sonews.log";
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	public static final String[] AVAILABLE_KEYS = {
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		ARTICLE_MAXSIZE,
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		EVENTLOG,
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		FEED_NEWSPERRUN,
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		FEED_PULLINTERVAL,
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		HOSTNAME,
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		MLPOLL_DELETEUNKNOWN,
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		MLPOLL_HOST,
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		MLPOLL_PASSWORD,
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		MLPOLL_USER,
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		MLSEND_ADDRESS,
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		MLSEND_HOST,
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		MLSEND_PASSWORD,
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		MLSEND_PORT,
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		MLSEND_RW_FROM,
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		MLSEND_RW_SENDER,
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		MLSEND_USER,
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		PORT,
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		TIMEOUT,
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		XDAEMON_HOST
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	};
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	private static Config instance = new Config();
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	public static Config inst()
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	{
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		return instance;
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	}
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	private Config()
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	{
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	}
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	@Override
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	public String get(String key, String def)
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	{
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		String val = CommandLineConfig.getInstance().get(key, null);
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		if (val == null) {
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			val = FileConfig.getInstance().get(key, null);
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		}
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		if (val == null) {
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			val = BackendConfig.getInstance().get(key, def);
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		}
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		return val;
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	}
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	public String get(int maxLevel, String key, String def)
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	{
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		String val = CommandLineConfig.getInstance().get(key, null);
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		if (val == null && maxLevel >= LEVEL_FILE) {
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			val = FileConfig.getInstance().get(key, null);
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			if (val == null && maxLevel >= LEVEL_BACKEND) {
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				val = BackendConfig.getInstance().get(key, def);
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			}
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		}
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		return val != null ? val : def;
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	}
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	@Override
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	public void set(String key, String val)
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	{
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		set(LEVEL_BACKEND, key, val);
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	}
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	public void set(int level, String key, String val)
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	{
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		switch (level) {
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			case LEVEL_CLI: {
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				CommandLineConfig.getInstance().set(key, val);
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				break;
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			}
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			case LEVEL_FILE: {
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				FileConfig.getInstance().set(key, val);
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				break;
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			}
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			case LEVEL_BACKEND: {
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				BackendConfig.getInstance().set(key, val);
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				break;
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			}
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		}
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	}
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}