opencommand.cpp

设计模式

#include ".\opencommand.h"
#include "stdafx.h"
#include "Application.h"
#include "Document.h"

#include <iostream>
using namespace std;

OpenCommand::OpenCommand(Application* app)
{
	_application = app;
}

OpenCommand::~OpenCommand(void)
{
}

void OpenCommand::Execute(void)
{
	_response = AskUser();
	while(_response != "end")
	{
		assert(!_response.empty());
		Document* document = new Document(_response);
		_application->Add(document);
		cout<<"Adding document \n";
		_response = AskUser();
	}
	_application->PrintDocs();
}

string OpenCommand::AskUser(void)
{
	cout<<"input file name,type 'end' for end:";
	string input;
	cin>>input;
	return input;
}