[dom4j-dev] addElement() problem

Wed, 24 May 2006 16:15:57 -0700

Hi!

My problem is that when i try to add an element on the root element, after the fifth one it always overwrites instead the fifth element.

Please consider that I first parse the following xml document that has 5 elements and then I try to add one more. Also the code is available below:

<?xml version="1.0" encoding="UTF-8" ?> 
- <Matchups>
- <Matchup>
  <Home_team>PAO</Home_team> 
  <Away_team>PAOK</Away_team> 
  <Home_win_return>1.3</Home_win_return> 
  <Draw_return>1.2</Draw_return> 
  <Away_win_return>2.9</Away_win_return> 
  </Matchup>
- <Matchup>
  <Home_team>Apollonas</Home_team> 
  <Away_team>Anorthosis</Away_team> 
  <Home_win_return>2.0</Home_win_return> 
  <Draw_return>2.3</Draw_return> 
  <Away_win_return>2.0</Away_win_return> 
  </Matchup>
- <Matchup>
  <Home_team>OSFP</Home_team> 
  <Away_team>AEK</Away_team> 
  <Home_win_return>1.7</Home_win_return> 
  <Draw_return>3.2</Draw_return> 
  <Away_win_return>2.5</Away_win_return> 
  </Matchup>
- <Matchup>
  <Home_team>Apollonas</Home_team> 
  <Away_team>Anorthosis</Away_team> 
  <Home_win_return>2.0</Home_win_return> 
  <Draw_return>2.0</Draw_return> 
  <Away_win_return>2.0</Away_win_return> 
  </Matchup>
- <Matchup>
  <Home_team>Omonoia</Home_team> 
  <Away_team>Omonoia</Away_team> 
  <Home_win_return>3.0</Home_win_return> 
  <Draw_return>3.0</Draw_return> 
  <Away_win_return>3.0</Away_win_return> 
  </Matchup>
  </Matchups>






and here's the method which parses this xml and tries to add the 6th element:



public void add_matchup(Matchup matchup)
        {
               
               boolean exists = (new File("C:\\Eclipse Projects\\AIBet\\Matchups.xml")).exists();
               if (exists) {
                       try {
                               
                               Document matchups_doc = this.parse("C:\\Eclipse Projects\\AIBet\\Matchups.xml");
                               Element root_mod = matchups_doc.getRootElement();
                               
                               Element matchups = root_mod.addElement(CONSTANTS.MATCHUP);/*Here!*/
                               matchups.addElement(CONSTANTS.HOME_TEAM).addText(matchup.getHome_team());
                               matchups.addElement(CONSTANTS.AWAY_TEAM).addText(matchup.getAway_team());
                               
                               matchups.addElement(CONSTANTS.HOME_WIN_RETURN)
                               .addText(Double.toString(matchup.getHome_win_return()));
                               
                               matchups.addElement(CONSTANTS.DRAW_RETURN)
                               .addText(Double.toString(matchup.getDraw_return()));
                               
                               matchups.addElement(CONSTANTS.AWAY_WIN_RETURN)
                               .addText(Double.toString(matchup.getAway_win_return()));
                               
                               XMLWriter writer;
                               try {
                                      writer = new XMLWriter(new FileWriter( "matchups.xml" ) );
                                      writer.write(matchups_doc );
                                      writer.close();
                               } catch (IOException e) {
                                      e.printStackTrace();
                               }
                       } catch (DocumentException e) {
                               e.printStackTrace();    
                       }
               }else {
                       // File or directory does not exist
                       Document matchups_doc = DocumentHelper.createDocument();
                       Element root = matchups_doc.addElement("Matchups");
                       Element matchups = root.addElement(CONSTANTS.MATCHUP);
                       matchups.addElement(CONSTANTS.HOME_TEAM).addText(matchup.getHome_team());
                       matchups.addElement(CONSTANTS.AWAY_TEAM).addText(matchup.getAway_team());
                       
                       matchups.addElement(CONSTANTS.HOME_WIN_RETURN)
                       .addText(Double.toString(matchup.getHome_win_return()));
                       
                       matchups.addElement(CONSTANTS.DRAW_RETURN)
                       .addText(Double.toString(matchup.getDraw_return()));
                       
                       matchups.addElement(CONSTANTS.AWAY_WIN_RETURN)
                       .addText(Double.toString(matchup.getAway_win_return()));
                       
                       XMLWriter writer;
                       try {
                               writer = new XMLWriter(new FileWriter( "matchups.xml" ) );
                               writer.write( matchups_doc );
                               writer.close();
                       } catch (IOException e) {
                               e.printStackTrace();
                       }
                       
               }
        }







Thanks for any help in advance!!



Br

Oxinoschar

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