/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

*

* - Redistributions of source code must retain the above copyright notice,

*   this list of conditions and the following disclaimer.

* - Redistributions in binary form must reproduce the above copyright notice,

*   this list of conditions and the following disclaimer in the documentation

*   and/or other materials provided with the distribution.

* - Neither the name of Nokia Corporation nor the names of its contributors

*   may be used to endorse or promote products derived from this software

*   without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

* 

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using System.Reflection;

using HeapLib.Reconstructor.DataSources.Analyser.Extractor;

namespace HeapLib.Reconstructor.DataSources.Analyser.Interpreter

{

    internal sealed class InterpreterFactory

    {

        #region Constructors & destrutor

        public InterpreterFactory()

        {

            Type type = typeof( InterpreterBase );

            Type[] types = Assembly.GetExecutingAssembly().GetTypes();

            foreach ( Type t in types )

            {

                if ( t.IsClass && type.IsAssignableFrom( t ) && !t.IsAbstract )

                {

                    iTypes.Add( t );

                }

            }

        }

        #endregion

        #region API

        public InterpreterBase FindSuitableInterpreter( Extractor.Extractor aExtractor )

        {

            InterpreterBase ret = null;

            //

            foreach ( Type type in iTypes )

            {

                InterpreterBase interpreter = CreateInstance( type );

                try

                {

                    bool canDoIt = interpreter.CanInterpretFrom( aExtractor );

                    if ( canDoIt )

                    {

                        ret = interpreter;

                        break;

                    }

                }

                catch ( Exception )

                {

                }

            }

            //

            return ret;

        }

        #endregion

        #region Internal methods

        private InterpreterBase CreateInstance( Type aType )

        {

            object[] parameters = new object[] { };

            InterpreterBase ret = (InterpreterBase) Activator.CreateInstance( aType, parameters );

            return ret;

        }

        #endregion

        #region Data members

        private List<Type> iTypes = new List<Type>();

        #endregion

    }

}