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src/org/sonews/config/Config.java
author cli
Sat Sep 10 18:18:05 2011 +0200 (2011-09-10)
changeset 45 7e24949b87b0
parent 37 74139325d305
child 49 8df94bfd3e2f
permissions -rwxr-xr-x
HSQLDB backend support completed, but untested. 
     1 /*

     2  *   SONEWS News Server

     3  *   see AUTHORS for the list of contributors

     4  *

     5  *   This program is free software: you can redistribute it and/or modify

     6  *   it under the terms of the GNU General Public License as published by

     7  *   the Free Software Foundation, either version 3 of the License, or

     8  *   (at your option) any later version.

     9  *

    10  *   This program is distributed in the hope that it will be useful,

    11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13  *   GNU General Public License for more details.

    14  *

    15  *   You should have received a copy of the GNU General Public License

    16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

    17  */

    18 

    19 package org.sonews.config;

    20 

    21 /**

    22  * Configuration facade class.

    23  * @author Christian Lins

    24  * @since sonews/1.0

    25  */

    26 public class Config extends AbstractConfig

    27 {

    28 

    29 	public static final int LEVEL_CLI = 1;

    30 	public static final int LEVEL_FILE = 2;

    31 	public static final int LEVEL_BACKEND = 3;

    32 	public static final String CONFIGFILE = "sonews.configfile";

    33 	/** BackendConfig key constant. Value is the maximum article size in kilobytes. */

    34 	public static final String ARTICLE_MAXSIZE = "sonews.article.maxsize";

    35 	/** BackendConfig key constant. Value: Amount of news that are feeded per run. */

    36 	public static final String EVENTLOG = "sonews.eventlog";

    37 	public static final String FEED_NEWSPERRUN = "sonews.feed.newsperrun";

    38 	public static final String FEED_PULLINTERVAL = "sonews.feed.pullinterval";

    39 	public static final String HOSTNAME = "sonews.hostname";

    40 	public static final String PORT = "sonews.port";

    41 	public static final String TIMEOUT = "sonews.timeout";

    42 	public static final String LOGLEVEL = "sonews.loglevel";

    43 	public static final String MLPOLL_DELETEUNKNOWN = "sonews.mlpoll.deleteunknown";

    44 	public static final String MLPOLL_HOST = "sonews.mlpoll.host";

    45 	public static final String MLPOLL_PASSWORD = "sonews.mlpoll.password";

    46 	public static final String MLPOLL_USER = "sonews.mlpoll.user";

    47 	public static final String MLSEND_ADDRESS = "sonews.mlsend.address";

    48 	public static final String MLSEND_RW_FROM = "sonews.mlsend.rewrite.from";

    49 	public static final String MLSEND_RW_SENDER = "sonews.mlsend.rewrite.sender";

    50 	public static final String MLSEND_HOST = "sonews.mlsend.host";

    51 	public static final String MLSEND_PASSWORD = "sonews.mlsend.password";

    52 	public static final String MLSEND_PORT = "sonews.mlsend.port";

    53 	public static final String MLSEND_USER = "sonews.mlsend.user";

    54 	/** Key constant. If value is "true" every I/O is written to logfile

    55 	 * (which is a lot!) */

    56 	public static final String DEBUG = "sonews.debug";

    57 	/** Key constant. Value is classname of the JDBC driver */

    58 	public static final String STORAGE_DBMSDRIVER = "sonews.storage.dbmsdriver";

    59 	/** Key constant. Value is JDBC connect String to the database. */

    60 	public static final String STORAGE_DATABASE = "sonews.storage.database";

    61 	/** Key constant. Value is the username for the DBMS. */

    62 	public static final String STORAGE_USER = "sonews.storage.user";

    63 	/** Key constant. Value is the password for the DBMS. */

    64 	public static final String STORAGE_PASSWORD = "sonews.storage.password";

    65 	public static final String STORAGE_PROVIDER = "sonews.storage.provider";

    66 	/** Key constant. Value is the name of the host which is allowed to use the

    67 	 *  XDAEMON command; default: "localhost" */

    68 	public static final String XDAEMON_HOST = "sonews.xdaemon.host";

    69 	/** The config key for the filename of the logfile */

    70 	public static final String LOGFILE = "sonews.log";

    71 	public static final String[] AVAILABLE_KEYS = {

    72 		ARTICLE_MAXSIZE,

    73 		EVENTLOG,

    74 		FEED_NEWSPERRUN,

    75 		FEED_PULLINTERVAL,

    76 		HOSTNAME,

    77 		MLPOLL_DELETEUNKNOWN,

    78 		MLPOLL_HOST,

    79 		MLPOLL_PASSWORD,

    80 		MLPOLL_USER,

    81 		MLSEND_ADDRESS,

    82 		MLSEND_HOST,

    83 		MLSEND_PASSWORD,

    84 		MLSEND_PORT,

    85 		MLSEND_RW_FROM,

    86 		MLSEND_RW_SENDER,

    87 		MLSEND_USER,

    88 		PORT,

    89 		TIMEOUT,

    90 		XDAEMON_HOST

    91 	};

    92 	private static Config instance = new Config();

    93 

    94 	public static Config inst()

    95 	{

    96 		return instance;

    97 	}

    98 

    99 	private Config()

   100 	{

   101 	}

   102 

   103 	@Override

   104 	public String get(String key, String def)

   105 	{

   106 		String val = CommandLineConfig.getInstance().get(key, null);

   107 

   108 		if (val == null) {

   109 			val = FileConfig.getInstance().get(key, null);

   110 		}

   111 

   112 		if (val == null) {

   113 			val = BackendConfig.getInstance().get(key, def);

   114 		}

   115 

   116 		return val;

   117 	}

   118 

   119 	public String get(int maxLevel, String key, String def)

   120 	{

   121 		String val = CommandLineConfig.getInstance().get(key, null);

   122 

   123 		if (val == null && maxLevel >= LEVEL_FILE) {

   124 			val = FileConfig.getInstance().get(key, null);

   125 			if (val == null && maxLevel >= LEVEL_BACKEND) {

   126 				val = BackendConfig.getInstance().get(key, def);

   127 			}

   128 		}

   129 

   130 		return val != null ? val : def;

   131 	}

   132 

   133 	@Override

   134 	public void set(String key, String val)

   135 	{

   136 		set(LEVEL_BACKEND, key, val);

   137 	}

   138 

   139 	public void set(int level, String key, String val)

   140 	{

   141 		switch (level) {

   142 			case LEVEL_CLI: {

   143 				CommandLineConfig.getInstance().set(key, val);

   144 				break;

   145 			}

   146 			case LEVEL_FILE: {

   147 				FileConfig.getInstance().set(key, val);

   148 				break;

   149 			}

   150 			case LEVEL_BACKEND: {

   151 				BackendConfig.getInstance().set(key, val);

   152 				break;

   153 			}

   154 		}

   155 	}

   156 }
sonews-drupal