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/*
* Copyright (C) 2008-2010 Nokia Corporation.
* Copyright (C) 2008 Zeeshan Ali (Khattak) <zeeshanak@gnome.org>.
* Copyright (C) 2012 Intel Corporation.
*
* Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
* <zeeshan.ali@nokia.com>
* Jens Georg <jensg@openismus.com>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using Gee;
/**
* Manages configuration from Environment.
*/
public class Rygel.EnvironmentConfig : GLib.Object, Configuration {
private static string RYGEL_PREFIX = "RYGEL";
private static string TITLE_KEY = "TITLE";
private static string DISABLE_PREFIX = RYGEL_PREFIX + "_DISABLE";
private static string ENABLED_KEY = "ENABLED";
private static string INTERFACE_ENV = RYGEL_PREFIX + "_IFACE";
private static string PORT_ENV = RYGEL_PREFIX + "_PORT";
private static string TRANSCODING_ENV = DISABLE_PREFIX + "_TRANSCODING";
private static string DISALLOW_UPLOAD_ENV = DISABLE_PREFIX + "_UPLOAD";
private static string DISALLOW_DELETION_ENV = DISABLE_PREFIX + "_DELETION";
private static string LOG_LEVELS_ENV = RYGEL_PREFIX + "_LOG";
private static string PLUGIN_PATH_ENV = RYGEL_PREFIX + "_PLUGIN_PATH";
private static string ENGINE_PATH_ENV = RYGEL_PREFIX + "_ENGINE_PATH";
private static string MEDIA_ENGINE_ENV = RYGEL_PREFIX + "_MEDIA_ENGINE";
// Our singleton
private static EnvironmentConfig config;
public static EnvironmentConfig get_default () {
if (config == null) {
config = new EnvironmentConfig ();
}
return config;
}
public string get_interface () throws GLib.Error {
return this.get_string_variable (INTERFACE_ENV);
}
[CCode (array_length=false, array_null_terminated = true)]
public string[] get_interfaces () throws GLib.Error {
return this.get_string_variable (INTERFACE_ENV).split (",");
}
public int get_port () throws GLib.Error {
return this.get_int_variable (PORT_ENV, 0, int16.MAX);
}
public bool get_transcoding () throws GLib.Error {
return !this.get_bool_variable (TRANSCODING_ENV);
}
public bool get_allow_upload () throws GLib.Error {
return !this.get_bool_variable (DISALLOW_UPLOAD_ENV);
}
public bool get_allow_deletion () throws GLib.Error {
return !this.get_bool_variable (DISALLOW_DELETION_ENV);
}
public string get_log_levels () throws GLib.Error {
return this.get_string_variable (LOG_LEVELS_ENV);
}
public string get_plugin_path () throws GLib.Error {
return this.get_string_variable (PLUGIN_PATH_ENV);
}
public string get_engine_path () throws GLib.Error {
return this.get_string_variable (ENGINE_PATH_ENV);
}
public string get_media_engine () throws GLib.Error {
return this.get_string_variable (MEDIA_ENGINE_ENV);
}
public string? get_video_upload_folder () throws GLib.Error {
throw new ConfigurationError.NO_VALUE_SET (_("No value available"));
}
public string? get_music_upload_folder () throws GLib.Error {
throw new ConfigurationError.NO_VALUE_SET (_("No value available"));
}
public string? get_picture_upload_folder () throws GLib.Error {
throw new ConfigurationError.NO_VALUE_SET (_("No value available"));
}
public bool get_enabled (string section) throws GLib.Error {
return get_bool (section, ENABLED_KEY);
}
public string get_title (string section) throws GLib.Error {
return this.get_string (section, TITLE_KEY);
}
public string get_string (string section,
string key) throws GLib.Error {
return this.get_string_variable (RYGEL_PREFIX + "_" +
section.up () + "_" +
key.up ().replace ("-", "_"));
}
public Gee.ArrayList<string> get_string_list (string section,
string key)
throws GLib.Error {
var str = this.get_string (section, key);
var value = new ArrayList<string> ();
foreach (var token in str.split (",", -1)) {
value.add (token);
}
return value;
}
public int get_int (string section,
string key,
int min,
int max)
throws GLib.Error {
return this.get_int_variable (RYGEL_PREFIX + "_" +
section.up () + "_" +
key.up ().replace ("-","_"),
min,
max);
}
public Gee.ArrayList<int> get_int_list (string section,
string key)
throws GLib.Error {
var str = this.get_string (section, key);
var value = new ArrayList<int> ();
foreach (var token in str.split (",", -1)) {
value.add (int.parse (token));
}
return value;
}
public bool get_bool (string section,
string key)
throws GLib.Error {
return this.get_bool_variable (RYGEL_PREFIX + "_" +
section.up () + "_" +
key.up ().replace ("-","_"));
}
private string get_string_variable (string variable) throws GLib.Error {
var str = Environment.get_variable (variable);
if (str == null) {
throw new ConfigurationError.NO_VALUE_SET ("No value available");
}
return str;
}
private int get_int_variable (string variable,
int min,
int max) throws GLib.Error {
var val = Environment.get_variable (variable);
if (val == null) {
throw new ConfigurationError.NO_VALUE_SET ("No value available");
}
return int.parse (val).clamp (min, max);
}
private bool get_bool_variable (string variable) throws GLib.Error {
var enabled = Environment.get_variable (variable);
if (enabled == null) {
throw new ConfigurationError.NO_VALUE_SET ("No value available");
}
return true;
}
}
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