package net.sf.statcvs.pages.xml;
   
   /**
    * @author Nilendra Weerasinghe (nilendraw@gmail.com)
    * @version $Id: GenerateXml.java,v 1.2 2008/04/02 11:22:16 benoitx Exp $
    *
    * This is the central class which creates all of the xml reports
    */
   
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.util.Calendar;
  import java.util.Iterator;
  
  import net.sf.statcvs.Messages;
  import net.sf.statcvs.model.Repository;
  import net.sf.statcvs.model.VersionedFile;
  import net.sf.statcvs.output.ConfigurationOptions;
  import net.sf.statcvs.output.ReportConfig;
  import net.sf.statcvs.output.WebRepositoryIntegration;
  import net.sf.statcvs.reports.TopDevelopersTableReport;
  import net.sf.statcvs.weblinks.bugs.BugTracker;
  
  import org.jdom.Comment;
  import org.jdom.Document;
  import org.jdom.Element;
  import org.jdom.output.XMLOutputter;
  
  public class GenerateXml {
      private static final String TAG_REPO_STATISTICS = "RepoStatistics";
      private final ReportConfig config;
      private final Repository repository;
  
      /**
       * @param config Configuration and data for the report suite
       */
      public GenerateXml(final ReportConfig config) {
          this.config = config;
          this.repository = config.getRepository();
      }
  
      /**
       * This method will invoke the classes which capture the data required to generate the xmls
       */
      public void generate() {
          final TopDevelopersTableReport topDevelopers = new TopDevelopersTableReport(this.config);
          final String gen_time = Calendar.getInstance().getTime().toString();
          final String period = getReportPeriod();
          final String title = Messages.getString("INDEX_TITLE") + " " + this.config.getProjectName();
          final Element root = new Element(TAG_REPO_STATISTICS);
          root.setAttribute("date", gen_time.toLowerCase());
          root.setAttribute("period", period.toLowerCase());
          root.setAttribute("numberfiles", Integer.toString(getCurrentFileCount()));
          root.setAttribute("totalloc", Integer.toString(this.repository.getCurrentLOC()));
          root.setAttribute("numberdevelopers", Integer.toString(topDevelopers.getDeveloperCount()));
  
          final Document myXML = new Document(root);
          myXML.addContent(new Comment(title));
  
          final Element el2 = new Element(XmlTags.TAG_CHECKED_OUT_DIR);
          el2.setAttribute("path", ConfigurationOptions.getCheckedOutDirectory());
          root.addContent(el2);
  
          if (ConfigurationOptions.getProjectName() != null) {
              final Element el3 = new Element(XmlTags.TAG_PROJECT);
              el3.setAttribute("path", ConfigurationOptions.getCheckedOutDirectory());
              root.addContent(el3);
          }
          /*
          if (repository.getRoot() != null) {
              Element el3 = new Element(XmlTags.TAG_ROOT);
              el3.setAttribute("path", repository.getRoot().getPath());
              root.addContent(el3);
          }
          */
  
          final BugTracker bt = ConfigurationOptions.getWebBugtracker();
          if (bt != null) {
              final Element el = new Element(XmlTags.TAG_BUG_TRACKER);
              el.setAttribute("baseurl", bt.baseURL());
              el.setAttribute("name", bt.getName());
              root.addContent(el);
          }
  
          final WebRepositoryIntegration wi = ConfigurationOptions.getWebRepository();
          if (wi != null) {
              final Element el = new Element(XmlTags.TAG_WEB_REPOSITORY);
              el.setAttribute("baseurl", wi.getBaseUrl());
              el.setAttribute("name", wi.getName());
              root.addContent(el);
          }
  
          /*
           * add developer statistics section to xml report
           */
          final AllDevelopersXml adxml = new AllDevelopersXml(config);
          final Element child1 = adxml.toFile();
          root.addContent(child1);
  
         /*
          * add directories statistics section to xml report
          */
         final DirectoriesXml dxml = new DirectoriesXml(config);
         final Element child2 = dxml.toFile();
         root.addContent(child2);
 
         /*
          * add commit log section to xml report
          */
         final LogXml log = new LogXml(config);
         final Element child3 = log.toFile();
         root.addContent(child3);
 
         /*
          * add commit log section to xml
          */
         final FilesXml fl = new FilesXml(config);
         final Element child4 = fl.toFile();
         root.addContent(child4);
 
         /*
          * add revised file list section to xml report
         RevisedFilesXml rxml = new RevisedFilesXml(config);
         Element child5 = rxml.toFile();
         root.addContent(child5);
          */
 
         // serialize it into a file
         try {
             final String file = ConfigurationOptions.getOutputDir() + "repo-statistics.xml";
             final FileOutputStream out = new FileOutputStream(file);
             final XMLOutputter serializer = new XMLOutputter();
             serializer.output(myXML, out);
             out.flush();
             out.close();
         } catch (final IOException e) {
             System.err.println(e);
         }
     }
 
     /**
      * Returns the period for which the report is being generated
      *
      * @returns String
      */
     private String getReportPeriod() {
         return XML.getDate(this.repository.getFirstDate()) + " to " + XML.getDate(this.repository.getLastDate());
     }
 
     /**
      * Returns the no. of files in the repository
      *
      * @returns int
      */
     private int getCurrentFileCount() {
         int result = 0;
         final Iterator it = this.repository.getFiles().iterator();
         while (it.hasNext()) {
             final VersionedFile file = (VersionedFile) it.next();
             if (!file.isDead()) {
                 result++;
             }
         }
         return result;
     }
 }