~grubng-dev/grubng/tools-urlsdb

// Config.cs

// 

// Copyright (C) 2009,2010,2011 Bartek Jasicki

//

// This file is part of Grubng.

//

// Grubng 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/>.

//

/**@file Config.cs

 * Provide functions for config file.*/

using System;

using System.Xml;

namespace urlsdb

{

	/// <summary>

	/// Provide functions for config file.

	/// </summary>

	internal static class Config

	{

		/// <summary>

		/// Function create grub.xml file and write default configuration

		/// </summary>

		public static void CreateConfig()

		{

			using (XmlTextWriter xmlw = new XmlTextWriter("grub.xml", null))

			{

				xmlw.Formatting = Formatting.Indented;

				xmlw.WriteStartDocument(false);

				xmlw.WriteStartElement("configuration");

				xmlw.WriteElementString("enablesolr", "Y");

				xmlw.WriteElementString("solraddress", "http://soap.grub.org:8180/solr/");

				xmlw.WriteElementString("solrusername", "user");

				xmlw.WriteElementString("solrpassword", "password");

				xmlw.WriteElementString("uploadaddress", "http://grub.silc.org.ua:8080");

				xmlw.WriteElementString("uploadusername", "user");

				xmlw.WriteElementString("uploadpassword", "password");

				xmlw.WriteElementString("mysqlhost", "localhost");

				xmlw.WriteElementString("mysqldb", "grub");

				xmlw.WriteElementString("mysqluser", "user");

				xmlw.WriteElementString("mysqlpassword", "password");

				xmlw.WriteElementString("workunitsdirectory", "/home/thindil/workunits/wu/");

				xmlw.WriteElementString("workunitspassword", "password");

				xmlw.WriteElementString("useragent", "GrubNG 0.1 (http://grub.org)");

				xmlw.WriteElementString("urlsamount", "250");

				xmlw.WriteElementString("httpversion", "1.0");

				xmlw.WriteElementString("accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");

				xmlw.WriteEndElement();

				xmlw.Flush();

				xmlw.Close();	

			}

		}

		/// <summary>

		/// Function read data from grub.xml file.

		/// </summary>

		/// <param name="node">

		/// A <see cref="System.String"/> XML node which been read

		/// </param>

		/// <returns>

		/// A <see cref="System.String"/> value of selected XML node

		/// </returns>

		public static string ReadConfig(string node)

		{

			XmlDocument doc = new XmlDocument();

			try

			{

				doc.Load("grub.xml");

			}

			catch (XmlException)

			{

				return "Invalid XML";

			}

			string answer = null;

			try

			{

				XmlNode noder = doc.SelectSingleNode(node);

				answer = noder.InnerText;

				doc = null;

			}

			catch (System.NullReferenceException)

			{

				answer = String.Empty;

			}

			return answer;

		}

		/// <summary>

		/// Function insert new data to grub.xml file.

		/// </summary>

		/// <param name="data">

		/// A <see cref="System.String"/> value which been inserted to file

		/// </param>

		/// <param name="name">

		/// A <see cref="System.String"/> name of XML Element which been inserted to file

		/// </param>

		static void InsertConfig(string data, string name)

		{

			XmlDocument doc = new XmlDocument();

			doc.Load("grub.xml");

			XmlNode nodew = doc.SelectSingleNode("/configuration");

			XmlNode childNode = doc.CreateNode(XmlNodeType.Element, name, String.Empty);

			childNode.InnerText = data;

			childNode = nodew.AppendChild(childNode);

			doc.Save("grub.xml");

			doc = null;

		}

		/// <summary>

		/// Function update config file.

		/// </summary>

		public static void UpdateConfig()

		{

			XmlDocument doc = new XmlDocument();

			doc.Load("grub.xml");

			string[] nodes = new string[17] {"enablesolr", "solraddress", "solrusername", 

				"solrpassword", "uploadaddress", "uploadusername", "uploadpassword", "mysqlhost", 

				"mysqldb", "mysqluser", "mysqlpassword", "workunitsdirectory", "workunitspassword", 

				"useragent", "urlsamount", "httpversion", "accept"};

			string[] values = new string[17] {"Y", "http://soap.grub.org:8180/solr/", 

				"user", "password", "http://grub.silc.org.ua:8080", "user", "password", "localhost", 

				"grub", "user", "password",	"/home/thindil/workunits/wu/", "password", 

				"GrubNG 0.1 (http://grub.org)", "250", "1.0", 

				"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"};

			XmlNode noder;

			foreach (string node in nodes)

			{

				noder = doc.SelectSingleNode("/configuration/" + node);

				if (noder == null)

				{

					int index = Array.IndexOf(nodes, node);

					Config.InsertConfig(values[index], node);

				}

			}

			doc = null;

		}

	}

}