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:   
chris@3:   public static final int LEVEL_CLI     = 1;
chris@3:   public static final int LEVEL_FILE    = 2;
chris@3:   public static final int LEVEL_BACKEND = 3;
chris@3: 
chris@3:   public static final String CONFIGFILE = "sonews.configfile";
chris@3:   
chris@3:     /** BackendConfig key constant. Value is the maximum article size in kilobytes. */
chris@3:   public static final String ARTICLE_MAXSIZE   = "sonews.article.maxsize";
chris@3: 
chris@3:   /** BackendConfig key constant. Value: Amount of news that are feeded per run. */
chris@3:   public static final String EVENTLOG          = "sonews.eventlog";
chris@3:   public static final String FEED_NEWSPERRUN   = "sonews.feed.newsperrun";
chris@3:   public static final String FEED_PULLINTERVAL = "sonews.feed.pullinterval";
chris@3:   public static final String HOSTNAME          = "sonews.hostname";
chris@3:   public static final String PORT              = "sonews.port";
chris@3:   public static final String TIMEOUT           = "sonews.timeout";
cli@15:   public static final String LOGLEVEL          = "sonews.loglevel";
chris@3:   public static final String MLPOLL_DELETEUNKNOWN = "sonews.mlpoll.deleteunknown";
chris@3:   public static final String MLPOLL_HOST       = "sonews.mlpoll.host";
chris@3:   public static final String MLPOLL_PASSWORD   = "sonews.mlpoll.password";
chris@3:   public static final String MLPOLL_USER       = "sonews.mlpoll.user";
chris@3:   public static final String MLSEND_ADDRESS    = "sonews.mlsend.address";
chris@3:   public static final String MLSEND_RW_FROM    = "sonews.mlsend.rewrite.from";
chris@3:   public static final String MLSEND_RW_SENDER  = "sonews.mlsend.rewrite.sender";
chris@3:   public static final String MLSEND_HOST       = "sonews.mlsend.host";
chris@3:   public static final String MLSEND_PASSWORD   = "sonews.mlsend.password";
chris@3:   public static final String MLSEND_PORT       = "sonews.mlsend.port";
chris@3:   public static final String MLSEND_USER       = "sonews.mlsend.user";
chris@3:   
chris@3:   /** Key constant. If value is "true" every I/O is written to logfile
chris@3:    * (which is a lot!)
chris@3:    */
chris@3:   public static final String DEBUG              = "sonews.debug";
chris@3: 
chris@3:   /** Key constant. Value is classname of the JDBC driver */
chris@3:   public static final String STORAGE_DBMSDRIVER = "sonews.storage.dbmsdriver";
chris@3: 
chris@3:   /** Key constant. Value is JDBC connect String to the database. */
chris@3:   public static final String STORAGE_DATABASE   = "sonews.storage.database";
chris@3: 
chris@3:   /** Key constant. Value is the username for the DBMS. */
chris@3:   public static final String STORAGE_USER       = "sonews.storage.user";
chris@3: 
chris@3:   /** Key constant. Value is the password for the DBMS. */
chris@3:   public static final String STORAGE_PASSWORD   = "sonews.storage.password";
chris@3: 
chris@3:   /** Key constant. Value is the name of the host which is allowed to use the
chris@3:    *  XDAEMON command; default: "localhost" */
chris@3:   public static final String XDAEMON_HOST       = "sonews.xdaemon.host";
chris@3: 
chris@3:   /** The config key for the filename of the logfile */
chris@3:   public static final String LOGFILE = "sonews.log";
chris@3: 
cli@12:   public static final String[] AVAILABLE_KEYS = {
chris@3:       ARTICLE_MAXSIZE,
chris@3:       EVENTLOG,
chris@3:       FEED_NEWSPERRUN,
chris@3:       FEED_PULLINTERVAL,
chris@3:       HOSTNAME,
chris@3:       MLPOLL_DELETEUNKNOWN,
chris@3:       MLPOLL_HOST,
chris@3:       MLPOLL_PASSWORD,
chris@3:       MLPOLL_USER,
chris@3:       MLSEND_ADDRESS,
chris@3:       MLSEND_HOST,
chris@3:       MLSEND_PASSWORD,
chris@3:       MLSEND_PORT,
chris@3:       MLSEND_RW_FROM,
chris@3:       MLSEND_RW_SENDER,
chris@3:       MLSEND_USER,
chris@3:       PORT,
chris@3:       TIMEOUT,
chris@3:       XDAEMON_HOST
chris@3:   };
chris@3: 
chris@3:   private static Config instance = new Config();
chris@3:   
chris@3:   public static Config inst()
chris@3:   {
chris@3:     return instance;
chris@3:   }
chris@3:   
chris@3:   private Config(){}
chris@3: 
chris@3:   @Override
chris@3:   public String get(String key, String def)
chris@3:   {
chris@3:     String val = CommandLineConfig.getInstance().get(key, null);
chris@3:     
chris@3:     if(val == null)
chris@3:     {
chris@3:       val = FileConfig.getInstance().get(key, null);
chris@3:     }
chris@3: 
chris@3:     if(val == null)
chris@3:     {
chris@3:       val = BackendConfig.getInstance().get(key, def);
chris@3:     }
chris@3: 
chris@3:     return val;
chris@3:   }
chris@3: 
cli@30:   public String get(int maxLevel, String key, String def)
chris@3:   {
cli@30:     String val = CommandLineConfig.getInstance().get(key, null);
cli@30: 
bei@32:     if(val == null && maxLevel >= LEVEL_FILE)
chris@3:     {
cli@30:       val = FileConfig.getInstance().get(key, null);
bei@32:       if(val == null && maxLevel >= LEVEL_BACKEND)
chris@3:       {
cli@30:         val = BackendConfig.getInstance().get(key, def);
chris@3:       }
chris@3:     }
cli@30: 
cli@30:     return val != null ? val : def;
chris@3:   }
chris@3: 
chris@3:   @Override
chris@3:   public void set(String key, String val)
chris@3:   {
chris@3:     set(LEVEL_BACKEND, key, val);
chris@3:   }
chris@3: 
chris@3:   public void set(int level, String key, String val)
chris@3:   {
chris@3:     switch(level)
chris@3:     {
chris@3:       case LEVEL_CLI:
chris@3:       {
chris@3:         CommandLineConfig.getInstance().set(key, val);
chris@3:         break;
chris@3:       }
chris@3:       case LEVEL_FILE:
chris@3:       {
chris@3:         FileConfig.getInstance().set(key, val);
chris@3:         break;
chris@3:       }
chris@3:       case LEVEL_BACKEND:
chris@3:       {
chris@3:         BackendConfig.getInstance().set(key, val);
chris@3:         break;
chris@3:       }
chris@3:     }
chris@3:   }
chris@3: 
chris@3: }