diff -r 000000000000 -r 2fdc9cc89502 org/sonews/config/Config.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org/sonews/config/Config.java	Wed Jul 22 14:04:05 2009 +0200
@@ -0,0 +1,178 @@
+/*
+ *   SONEWS News Server
+ *   see AUTHORS for the list of contributors
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sonews.config;
+
+/**
+ * Configuration facade class.
+ * @author Christian Lins
+ * @since sonews/1.0
+ */
+public class Config extends AbstractConfig
+{
+  
+  public static final int LEVEL_CLI     = 1;
+  public static final int LEVEL_FILE    = 2;
+  public static final int LEVEL_BACKEND = 3;
+
+  public static final String CONFIGFILE = "sonews.configfile";
+  
+    /** BackendConfig key constant. Value is the maximum article size in kilobytes. */
+  public static final String ARTICLE_MAXSIZE   = "sonews.article.maxsize";
+
+  /** BackendConfig key constant. Value: Amount of news that are feeded per run. */
+  public static final String EVENTLOG          = "sonews.eventlog";
+  public static final String FEED_NEWSPERRUN   = "sonews.feed.newsperrun";
+  public static final String FEED_PULLINTERVAL = "sonews.feed.pullinterval";
+  public static final String HOSTNAME          = "sonews.hostname";
+  public static final String PORT              = "sonews.port";
+  public static final String TIMEOUT           = "sonews.timeout";
+  public static final String MLPOLL_DELETEUNKNOWN = "sonews.mlpoll.deleteunknown";
+  public static final String MLPOLL_HOST       = "sonews.mlpoll.host";
+  public static final String MLPOLL_PASSWORD   = "sonews.mlpoll.password";
+  public static final String MLPOLL_USER       = "sonews.mlpoll.user";
+  public static final String MLSEND_ADDRESS    = "sonews.mlsend.address";
+  public static final String MLSEND_RW_FROM    = "sonews.mlsend.rewrite.from";
+  public static final String MLSEND_RW_SENDER  = "sonews.mlsend.rewrite.sender";
+  public static final String MLSEND_HOST       = "sonews.mlsend.host";
+  public static final String MLSEND_PASSWORD   = "sonews.mlsend.password";
+  public static final String MLSEND_PORT       = "sonews.mlsend.port";
+  public static final String MLSEND_USER       = "sonews.mlsend.user";
+  
+  /** Key constant. If value is "true" every I/O is written to logfile
+   * (which is a lot!)
+   */
+  public static final String DEBUG              = "sonews.debug";
+
+  /** Key constant. Value is classname of the JDBC driver */
+  public static final String STORAGE_DBMSDRIVER = "sonews.storage.dbmsdriver";
+
+  /** Key constant. Value is JDBC connect String to the database. */
+  public static final String STORAGE_DATABASE   = "sonews.storage.database";
+
+  /** Key constant. Value is the username for the DBMS. */
+  public static final String STORAGE_USER       = "sonews.storage.user";
+
+  /** Key constant. Value is the password for the DBMS. */
+  public static final String STORAGE_PASSWORD   = "sonews.storage.password";
+
+  /** Key constant. Value is the name of the host which is allowed to use the
+   *  XDAEMON command; default: "localhost" */
+  public static final String XDAEMON_HOST       = "sonews.xdaemon.host";
+
+  /** The config key for the filename of the logfile */
+  public static final String LOGFILE = "sonews.log";
+
+    public static final String[] AVAILABLE_KEYS = {
+      ARTICLE_MAXSIZE,
+      EVENTLOG,
+      FEED_NEWSPERRUN,
+      FEED_PULLINTERVAL,
+      HOSTNAME,
+      MLPOLL_DELETEUNKNOWN,
+      MLPOLL_HOST,
+      MLPOLL_PASSWORD,
+      MLPOLL_USER,
+      MLSEND_ADDRESS,
+      MLSEND_HOST,
+      MLSEND_PASSWORD,
+      MLSEND_PORT,
+      MLSEND_RW_FROM,
+      MLSEND_RW_SENDER,
+      MLSEND_USER,
+      PORT,
+      TIMEOUT,
+      XDAEMON_HOST
+  };
+
+  private static Config instance = new Config();
+  
+  public static Config inst()
+  {
+    return instance;
+  }
+  
+  private Config(){}
+
+  @Override
+  public String get(String key, String def)
+  {
+    String val = CommandLineConfig.getInstance().get(key, null);
+    
+    if(val == null)
+    {
+      val = FileConfig.getInstance().get(key, null);
+    }
+
+    if(val == null)
+    {
+      val = BackendConfig.getInstance().get(key, def);
+    }
+
+    return val;
+  }
+
+  public String get(int level, String key, String def)
+  {
+    switch(level)
+    {
+      case LEVEL_CLI:
+      {
+        return CommandLineConfig.getInstance().get(key, def);
+      }
+      case LEVEL_FILE:
+      {
+        return FileConfig.getInstance().get(key, def);
+      }
+      case LEVEL_BACKEND:
+      {
+        return BackendConfig.getInstance().get(key, def);
+      }
+    }
+    return null;
+  }
+
+  @Override
+  public void set(String key, String val)
+  {
+    set(LEVEL_BACKEND, key, val);
+  }
+
+  public void set(int level, String key, String val)
+  {
+    switch(level)
+    {
+      case LEVEL_CLI:
+      {
+        CommandLineConfig.getInstance().set(key, val);
+        break;
+      }
+      case LEVEL_FILE:
+      {
+        FileConfig.getInstance().set(key, val);
+        break;
+      }
+      case LEVEL_BACKEND:
+      {
+        BackendConfig.getInstance().set(key, val);
+        break;
+      }
+    }
+  }
+
+}