source: trunk/quest-plugin-jfc/src/main/java/de/ugoe/cs/quest/plugin/jfc/JFCReplayIDValidator.java @ 806

package de.ugoe.cs.quest.plugin.jfc;

import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class JFCReplayIDValidator {
        private Set<String> validIds = null;
        
        public JFCReplayIDValidator(File guitarEfgFile) throws ParserConfigurationException, SAXException, IOException{
                this.initialize(guitarEfgFile);
        }
        
        public void initialize(File guitarGUIFile) throws ParserConfigurationException, SAXException, IOException{
                DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
                DocumentBuilder builder = factory.newDocumentBuilder();
                Document freemindGUI = builder.parse(guitarGUIFile);
        
                validIds = new HashSet<String>();
                
                NodeList guis = freemindGUI.getFirstChild().getChildNodes();
                for (int i = 0; i < guis.getLength(); i++)
                        extractIDs(guis.item(i));
        }
        
        private void extractIDs(Node node){
                NodeList children = node.getChildNodes();
                if (children != null){
                        for (int j = 0; j < children.getLength(); j++){
                                if (children.item(j).getNodeName().equals("Attributes")){
                                        NodeList properties = children.item(j).getChildNodes();
                                        for (int i = 0; i < properties.getLength(); i++){
                                                NodeList property = properties.item(i).getChildNodes();
                                                for (int k = 0; k < property.getLength(); k++){
                                                        if (property.item(k).getTextContent().equals("ID")){
                                                                validIds.add(property.item(k+2).getTextContent());
                                                        }
                                                }
                                        }
                                }
                                else{
                                        extractIDs(children.item(j));
                                }
                        }
                }
        }
        

        public boolean validateReplayID(String replayID){
                if (validIds == null || validIds.size() == 0)
                        throw new IllegalStateException("There are no valid IDs known, call initialize first.");
                
                if (validIds.contains(replayID))
                        return true;
                
                return false;
                
        }
}