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Visitor.cs
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Visitor.cs
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using System;
namespace Visitor
{
public interface IVisitor
{
void VisitPerson(Person person);
void VisitCompany(Company company);
}
public class ToXml: IVisitor
{
public void VisitPerson(Person person)
{
string xml = "<article lang = \"\">\n";
xml += $"<para>Person name: {person.Name}</para>\n";
xml += $"<para>Account: {person.Account}</para>\n";
xml += "</article>\n";
Console.WriteLine(xml);
}
public void VisitCompany(Company company)
{
string xml = "<article lang = \"\">\n";
xml += $"<para>Company name: {company.Name}</para>\n";
xml += $"<para>Number of Employees: {company.NumberOfEmployees}</para>\n";
xml += $"<para>Company statement: {company.Statement}</para>\n";
xml += "</article>\n";
Console.WriteLine(xml);
}
}
public class ToJson : IVisitor
{
public void VisitPerson(Person person)
{
string json = "{\n";
json += $" \"name\": {person.Name},\n";
json += $" \"account\": {person.Account}\n";
json += "}\n";
Console.WriteLine(json);
}
public void VisitCompany(Company company)
{
string json = "{\n";
json += $" \"name\": {company.Name},\n";
json += $" \"number_of_employees\": {company.NumberOfEmployees},\n";
json += $" \"company_statement\": {company.Statement}\n";
json += "}\n";
Console.WriteLine(json);
}
}
public interface IAccount
{
void Accept(IVisitor visitor);
}
public class Person: IAccount
{
public string Name { get; private set; }
public double Account { get; private set; }
public Person(string name, double account)
{
this.Name = name;
this.Account = account;
}
public void Accept(IVisitor visitor)
{
visitor.VisitPerson(this);
}
}
public class Company: IAccount
{
public string Name { get; private set; }
public int NumberOfEmployees { get; private set; }
public double Statement { get; private set; }
public Company(string name, int count, double statement)
{
this.Name = name;
this.NumberOfEmployees = count;
this.Statement = statement;
}
public void Accept(IVisitor visitor)
{
visitor.VisitCompany(this);
}
}
}