~ubuntu-branches/ubuntu/oneiric/tuxguitar/oneiric

package org.herac.tuxguitar.gui.tools.browser.xml;

 

import java.io.File;

import java.io.IOException;

 

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

 

import org.herac.tuxguitar.gui.tools.browser.TGBrowserCollectionInfo;

import org.herac.tuxguitar.gui.tools.browser.TGBrowserManager;

import org.w3c.dom.Document;

import org.w3c.dom.NamedNodeMap;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

import org.xml.sax.SAXException;

 

public class TGBrowserReader {

        private static final String ITEM_TAG = "browser-collection";

        private static final String ATTRIBUTE_TYPE = "type";

        private static final String ATTRIBUTE_DATA = "data";

        

        public void loadCollections(TGBrowserManager manager,File file){

                if (file.exists()){

                        try {

                                Document doc = getDocument(file);

                                loadCollections(manager,doc.getFirstChild());

                        } catch (Throwable throwable) {

                                throwable.printStackTrace();

                        }

                }

        }

        

        private static void loadCollections(TGBrowserManager manager,Node node){

                NodeList listNode = node.getChildNodes();

                for (int i = 0; i < listNode.getLength(); i++) {

                        Node child = listNode.item(i);

                        String nameNode = child.getNodeName();

                        if (nameNode.equals(ITEM_TAG)) {

                                NamedNodeMap params = child.getAttributes();

                                

                                String type = params.getNamedItem(ATTRIBUTE_TYPE).getNodeValue();

                                String data = params.getNamedItem(ATTRIBUTE_DATA).getNodeValue();

                                if(type != null){

                                        TGBrowserCollectionInfo info = new TGBrowserCollectionInfo();

                                        info.setType(type);

                                        info.setData(data);

                                        manager.addInfo(info);

                                }

                        }

                }

        }

        

        private static Document getDocument(File file) throws ParserConfigurationException, SAXException, IOException {

                Document document = null;

                DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

                

                DocumentBuilder builder = factory.newDocumentBuilder();

                document = builder.parse(file);

                

                return document;

        }

        

}