/*

* 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;

import info.bliki.wiki.model.WikiModel;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.Iterator;

import java.util.List;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;

/**

 * Renders model property and group description to Wiki Model Syntax

 * @author Helium Team

 */

public class ModelPropertiesParser

{

    private String inputPath;

    private String outputPath;

    private Document doc;

    public ModelPropertiesParser(String inputPath, String outputPath)

    {

        this.inputPath = inputPath;

        this.outputPath = outputPath;

    }

    /**

     * Reads model xml file, changes description format.

     * @throws DocumentException

     * @throws IOException

     */

    public void parsePropertiesDescription() throws IOException, DocumentException

    {

        SAXReader xmlReader = new SAXReader();

        doc = xmlReader.read(new File(inputPath));

        List importNodes = doc.selectNodes("//description");

        for (Iterator iterator = importNodes.iterator(); iterator.hasNext();)

        {

            Element importCurrentNode = (Element) iterator.next();

            importCurrentNode.setText(renderWikiModel(importCurrentNode.getText()));

            writeXMLFile();

        }

    }

     /**

     * Writes Document object as xml file

     */

    private void writeXMLFile()

    {

        try {

            if (outputPath != null) {

            XMLWriter out = new XMLWriter(new FileOutputStream(new File(outputPath)), OutputFormat.createPrettyPrint());

            out.write(doc);

          }

        } catch (Exception e) {

        }

    }

     /**

     * Render the description as Wiki model

     * @param String descriptionText

     * @return String

     */

    private String renderWikiModel(String descriptionText) throws IOException, DocumentException

    {

        if (descriptionText != null)

        {

            WikiModel wikiModel = new WikiModel("", "");

            //If description contains unwanted symbols like "**", "==" and "- -", remove those from description.

            if (descriptionText.contains("**") || descriptionText.contains("==") || descriptionText.contains("- -"))

            {

                descriptionText = descriptionText.replace("**", "").replace("==", "").replace("- -", "").trim();

            }

            //If description starts with "-", remove it. As wiki have special meaning for this symbol

            if (descriptionText.startsWith("-"))

                descriptionText = descriptionText.replace("-", "");

            descriptionText = descriptionText.trim();

            //Render description with wiki model syntax

            descriptionText = wikiModel.render(descriptionText);

        }

        else

        {

            descriptionText = "";

        }

      return descriptionText;

     }

}