ServletContext.h

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#ifndef SERVLET_CONTEXT_H
#define SERVLET_CONTEXT_H

#include <memory>
#include <set>
#include <string>
#include <iostream>
#include <exception>
#include <servlet/RequestDispatcher.h>
#include <vector>
#include <boost/shared_ptr.hpp>

namespace servlet {    
    class ServletContext {
    public:
    virtual ~ServletContext(){}
    
        virtual ServletContext*  getContext(const std::string& uripath)=0;
    
    
    
        virtual int  getMajorVersion()=0;
    
    
    
        virtual int  getMinorVersion()=0;
    
    
    
        virtual std::string  getMimeType(const std::string& file)=0;
    
        virtual std::auto_ptr< std::set<std::string> >  getResourcePaths(const std::string& path)=0;
    
    
    
        virtual std::string getResource(const std::string& path)=0;
    
    
    
        virtual std::istream& getResourceAsStream(const std::string& path)=0;
    
    
    
    
        virtual RequestDispatcher* getRequestDispatcher(const std::string& path)=0;
    
    
    
        virtual RequestDispatcher*  getNamedDispatcher(const std::string& name)=0;
    
    
        virtual void  log(const std::string& msg) const =0;
    
        virtual void  log(const std::string& message, const std::exception& e) const =0;
    
        virtual std::string  getRealPath(const std::string& path)=0;
    
    
    
    
        virtual std::string  getServerInfo()=0;
    
    
        virtual std::string  getInitParameter(const std::string& name)=0;
    
    
    
    
        virtual std::auto_ptr< std::vector<std::string> > getInitParameterNames()=0;
    
    
    
         virtual boost::shared_ptr<void> getAttribute(const std::string& name)=0;
         template <typename T>
      T getAttribute(const std::string& name);
    
    
        virtual std::auto_ptr< std::vector<std::string> > getAttributeNames()=0;
    
    
    
    
        virtual void setAttribute(const std::string& name, boost::shared_ptr<void> object)=0;
        template <typename T>
     void setAttribute(const std::string& name, boost::shared_ptr<T> object)
    {
        setAttribute(name, static_cast<boost::shared_ptr<void> >(object));
    }
        template <typename T>
     void setAttribute(const std::string& name, const T& object);
    
    
        virtual void  removeAttribute(const std::string& name)=0;
    
        virtual bool hasAttribute(const std::string& name) const = 0;

        
    
        virtual std::string  getServletContextName() const=0;
        
    };
    template<typename T>
    T ServletContext::getAttribute(const std::string& name) {    
        const boost::shared_ptr<void> value = getAttribute(name);
        if(!value)
            return T();
        return *boost::static_pointer_cast<T>(value);
    }
    template<typename T>
    void ServletContext::setAttribute(const std::string& name, const T& object) {
    setAttribute(name,boost::shared_ptr<void>(new T(object)));
    }

}//namespace
#endif/*SERVLET_CONTEXT_H*/