using System;
using System.Collections.Specialized;
namespace SPSolutions.SharePoint.Administration
{
	public class CommandLineParameter
	{
		private string defaultValue;
		private string helpMessage;
		private bool isRequired;
		private string name;
		private bool userTypedIn;
		private CommandLineParameterValidator validator;
		private string value;
		public string DefaultValue
		{
			get
			{
				return this.defaultValue;
			}
		}
		public string HelpMessage
		{
			get
			{
				return this.helpMessage;
			}
		}
		public bool IsRequired
		{
			get
			{
				return this.isRequired;
			}
		}
		public string Name
		{
			get
			{
				return this.name;
			}
		}
		public bool UserTypedIn
		{
			get
			{
				return this.userTypedIn;
			}
		}
		public string Value
		{
			get
			{
				return this.value;
			}
		}
		public CommandLineParameter(string name, bool isRequired) : this(name, isRequired, null, null, null)
		{
		}
		public CommandLineParameter(string name, bool isRequired, string defaultValue) : this(name, isRequired, defaultValue, null, null)
		{
		}
		public CommandLineParameter(string name, bool isRequired, string defaultValue, CommandLineParameterValidator validator, string helpMessage)
		{
			this.name = name;
			this.isRequired = isRequired;
			this.defaultValue = defaultValue;
			this.validator = validator;
			if (!string.IsNullOrEmpty(helpMessage))
			{
				this.helpMessage = helpMessage;
			}
		}
		public void Initialize(StringDictionary keyValues)
		{
			this.value = keyValues[this.name];
			this.userTypedIn = (this.value != null);
			if (!this.userTypedIn)
			{
				this.value = this.defaultValue;
			}
		}
		public bool Validate()
		{
			return this.validator == null || this.validator.Validate(this.value);
		}
	}
}