/*

* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

//javac CheckTools.java -source 1.3 -target 1.3

import java.io.*;

public class CheckTools

{

    public static void main(String[] args)

    {

        try {

            Runtime runtime = Runtime.getRuntime();

            Process toolProcess = runtime.exec("python -V");

            InputStream err = toolProcess.getErrorStream();

            String output = toString(err).trim();

            if (!(output.startsWith("Python 2.5")) && !(output.startsWith("Python 2.6")))

            {

                System.out.println("Error: Python 2.5/2.6 not found");

                System.out.println(output);

            }

            toolProcess = runtime.exec("java -version");

            err = toolProcess.getErrorStream();

            if (!(toString(err).trim().startsWith("java version \"1.6")))

            {

                System.out.println("Error: Java 6 not found");

                System.out.println(err);

            }

//            toolProcess = runtime.exec("ant -version");

//            err = toolProcess.getErrorStream();

//            if (!(toString(err).trim().startsWith("Apache Ant version 1.7.0")))

//            {

//                System.out.println("Error: Ant 1.7.0 not found");

//                System.out.println(err);

//            }

        } catch (Exception e) { System.out.println(e); }

    }

    private static String toString(InputStream inputStream) throws IOException

    {

        byte[] buffer = new byte[4096];

        OutputStream outputStream = new ByteArrayOutputStream();

        while (true) {

            int read = inputStream.read(buffer);

            if (read == -1) {

                break;

            }

            outputStream.write(buffer, 0, read);

        }

        outputStream.close();

        inputStream.close();

        return outputStream.toString();

    }

}