/*

* 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.helium.imaker;

import org.codehaus.plexus.util.cli.StreamConsumer;

/**

 * Parsing iMaker printvar calls.

 * Output from iMaker should match:

 * NAME = `some content'

 *

 */

public class PrintVarSteamConsumer implements StreamConsumer {

    private String name;

    private String value;

    private boolean inParsing;

    /**

     * Construct a PrintVarSteamConsumer for a variable named by name.

     * @param name

     */

    public PrintVarSteamConsumer(String name) {

        this.name = name;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void consumeLine(String line) {

        String varPrefix = name + " = `";

        if (!inParsing && line.startsWith(varPrefix)) {

            value = line.substring(varPrefix.length());

            inParsing = true;

        } else if (inParsing) {

            value += "\n" + line;

        }

        if (value != null && value.endsWith("'")) {

            value = value.substring(0, value.length() - 1);

            inParsing = false;

        }

    }

    /**

     * Get the variable value returned by iMaker.

     * @return the variable content return by iMaker.

     */

    public String getValue() {

        return value;

    }

}