package net.sf.statcvs.pages.xml;

 /**

  * @author Nilendra Weerasinghe (nilendraw@gmail.com)

  * @version $Id: RevisedFilesXml.java,v 1.2 2008/04/02 11:22:16 benoitx Exp $

  *

  * This is the class which generates the per file information of the xml report

  */

 import java.util.ArrayList;

 import java.util.Calendar;

 import java.util.Collections;

 import java.util.Date;

 import java.util.GregorianCalendar;

 import java.util.Hashtable;

 import java.util.Iterator;

 import java.util.List;

 import java.util.NoSuchElementException;

 import java.util.Set;

 import net.sf.statcvs.model.Commit;

 import net.sf.statcvs.model.Repository;

 import net.sf.statcvs.model.SymbolicName;

 import net.sf.statcvs.output.ReportConfig;

 import org.jdom.Element;

 public class RevisedFilesXml {

     private final static String[] MONTH_TWO_CHARACTERS = { "01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12" };

     public static String getAnchor(final SymbolicName tag) {

         return "tag-" + tag.getName();

     }

     public static String getURL(final Date date) {

         final Calendar calendar = new GregorianCalendar();

         calendar.setTime(date);

         return getFileName(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH)) + ".html";

     }

     private static String getFileName(final int year, final int month) {

         return year + "-" + MONTH_TWO_CHARACTERS[month];

     }

     private final Repository repo;

     private final List commits = new ArrayList();

     /**

      * Creates a new LogPageMaker.

      * @param year The log page's year

      * @param month The log page's month (0 for January)

      * @param commits A list of commits; those not in the

      *                 right month will be ignored

      * @param outputFormat

      */

     public RevisedFilesXml(final ReportConfig config) {

         this.repo = config.getRepository();

         final Iterator it = this.repo.getCommits().iterator();

         while (it.hasNext()) {

             final Commit commit = (Commit) it.next();

             this.commits.add(commit);

         }

         Collections.reverse(this.commits);

     }

     public Element toFile() throws NoSuchElementException {

         Set files = null;

         final Hashtable coms = new Hashtable();

         final Iterator commitIt = this.commits.iterator();

         Commit nextCommit = commitIt.hasNext() ? (Commit) commitIt.next() : null;

         final ArrayList al = new ArrayList();

         /*Iterator tagIt = this.tags.iterator();

         SymbolicName nextTag = tagIt.hasNext() ? (SymbolicName) tagIt.next() : null;*/

         while (nextCommit != null) {

             files = nextCommit.getAffectedFiles();

             final Iterator it = files.iterator();

             final String auth = nextCommit.getAuthor().toString();

             while (it.hasNext()) {

                 final String path = it.next().toString();

                 if (!(coms.containsKey(path))) {

                     al.add(path);

                     final ArrayList a = new ArrayList();

                     a.add(auth);

                     coms.put(path, a);

                 } else {

                     final ArrayList alist = (ArrayList) coms.get(path);

                     final Iterator iter = alist.iterator();

                     final ArrayList l = new ArrayList();

                     for (int i = 0; i < alist.size(); i++) {

                         l.add(iter.next().toString());

                     }

                     l.add(auth);

                     coms.remove(path);

                     coms.put(path, l);

                 }

             }

             nextCommit = commitIt.hasNext() ? (Commit) commitIt.next() : null;

         }

         final Element lg = new Element(XmlTags.TAG_REVISED_FILES);

         final Iterator it = al.iterator();

         while (it.hasNext()) {

             final Element file = new Element(XmlTags.TAG_FILE);

             final Element path = new Element(XmlTags.TAG_PATH);

             final String str = it.next().toString();

             path.setText(str);

             final ArrayList a = (ArrayList) coms.get(str);

             final Iterator itr = a.iterator();

             file.addContent(path);

             while (itr.hasNext()) {

                 final String s = itr.next().toString();

                 final Element auth = new Element(XmlTags.TAG_AUTHOR);

                 auth.setText(s);

                 file.addContent(auth);

             }

             lg.addContent(file);

         }

         return lg;

     }

 }