/*

* 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: 

*

*/

package com.nokia.ant.util;

import java.util.Hashtable;

import com.nokia.tools.Tool;

import com.nokia.tools.ToolsProcessException;

import org.apache.log4j.Logger;

/**

 * Utility class to read property value, if property is not defined it will raise an exception.

 *

 */

public final class ToolsProcess {

    private static Hashtable tools = new Hashtable();

    private static Logger log;

    private ToolsProcess() { }

    public static Tool getTool(String reqTool) throws ToolsProcessException {

        if (log == null) {

            log = Logger.getLogger(ToolsProcess.class);

        }

        log.info("processing for tool" + reqTool);

        Class toolClass = null;

        String className = "com.nokia.tools."

            + reqTool.toLowerCase() + "." + reqTool.toUpperCase()

            + "Tool";

        try {

            toolClass = Class.forName(className);

            Tool tool = (Tool) toolClass.newInstance();

            log.debug("Found tool" + reqTool);

            return tool;

        } catch (ClassNotFoundException e1) {

            throw new ToolsProcessException("tool not supported: " + className);

        } catch (InstantiationException e2) {

            throw new ToolsProcessException("tool " + toolClass

                    + "cannot be instantiated");

        } catch (IllegalAccessException e3) {

            throw new ToolsProcessException("tool " + toolClass

                    + " cannot be accessed");

        }

    }

}