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 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: autoobject.hxx,v $
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#ifndef CONFIGMGR_AUTOOBJECT_HXX
#define CONFIGMGR_AUTOOBJECT_HXX

#include "utility.hxx"

namespace configmgr
{
////////////////////////////////////////////////////////////////////////////////
    using ::rtl::OUString;

//-----------------------------------------------------------------------------
    template < class Object >
    class AutoObject : Noncopyable
    {
    public:
        typedef Object      object_type;
        typedef Object *    Ptr;
    public:
        AutoObject() : m_pObject(NULL) {}
        AutoObject(Object * _obj) : m_pObject(_obj) {}
        ~AutoObject() { delete m_pObject; }

        bool is()   const;
        Ptr get()   const;
        Ptr getOrCreate();
    private:
        Ptr internalCreate();
    private:
        Ptr  m_pObject;
    };
//-----------------------------------------------------------------------------

    template < class Object >
    inline
    Object * AutoObject<Object>::get() const
    {
        return m_pObject;
    }
//-----------------------------------------------------------------------------

    template < class Object >
    inline
    bool AutoObject<Object>::is() const
    {
        return get() != NULL;
    }
//-----------------------------------------------------------------------------

    template < class Object >
    Object * AutoObject<Object>::getOrCreate()
    {
        Object * p = get();
        return p ? p : internalCreate();
    }
//-----------------------------------------------------------------------------

    template < class Object >
    Object * AutoObject<Object>::internalCreate()
    {
        if (m_pObject == NULL)
            m_pObject = new Object();
        return m_pObject;

    }
//-----------------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////////////

} // namespace configmgr

#endif