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Posted to commits@wicket.apache.org by "Richard Emberson (JIRA)" <ji...@apache.org> on 2010/11/27 19:14:37 UTC

[jira] Created: (WICKET-3201) icket/markup/html/debug/PageView clearing and possibly sorting empty list

icket/markup/html/debug/PageView clearing and possibly sorting empty list
-------------------------------------------------------------------------

                 Key: WICKET-3201
                 URL: https://issues.apache.org/jira/browse/WICKET-3201
             Project: Wicket
          Issue Type: Bug
          Components: wicket
    Affects Versions: 1.5-M3
         Environment: all
            Reporter: Richard Emberson


In the constructor for the class icket/markup/html/debug/PageView a list is created,
then the empty list is cleared, possibly elements are added to the list and
the list is sorted (even if no element were added):

    // Create an empty list. It'll be filled later
    final List<ComponentData> data = new ArrayList<ComponentData>();

    // Name of page
    add(new Label("info", page == null ? "[Stateless Page]" : page.toString()));

    // Get the components data and fill and sort the list
    data.clear();
    if (page != null)
    {
      data.addAll(getComponentData(page));
    }
    Collections.sort(data, new Comparator<ComponentData>()
    {
      public int compare(ComponentData o1, ComponentData o2)
      {
        return (o1).path.compareTo((o2).path);
      }
    });

    // Create the table containing the list the components
    add(new ListView<ComponentData>("components", data)
    { ..... }

Consider the re-write:

  // Name of page
  add(new Label("info", page == null ? "[Stateless Page]" : page.toString()));
    
  // Create an empty list. It'll be filled later
  List<ComponentData> data = null;
  
  if (page != null) {
    // Get the components data and fill and sort the list
    data =  new ArrayList<ComponentData>(getComponentData(page));
    Collections.sort(data, new Comparator<ComponentData>() {
        public int compare(ComponentData o1, ComponentData o2) {
          return (o1).path.compareTo((o2).path);
        }                         
    }); 
  } else {
    data = Collections.emptyList;
  }
  
  // Create the table containing the list the components
  add(new ListView<ComponentData>("components", data)
  { ...... }

The list is not cleared and is only sorted if there is something in it.




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[jira] Resolved: (WICKET-3201) icket/markup/html/debug/PageView clearing and possibly sorting empty list

Posted by "Juergen Donnerstag (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/WICKET-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Juergen Donnerstag resolved WICKET-3201.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.5-M4
         Assignee: Juergen Donnerstag

thanks

> icket/markup/html/debug/PageView clearing and possibly sorting empty list
> -------------------------------------------------------------------------
>
>                 Key: WICKET-3201
>                 URL: https://issues.apache.org/jira/browse/WICKET-3201
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.5-M3
>         Environment: all
>            Reporter: Richard Emberson
>            Assignee: Juergen Donnerstag
>            Priority: Trivial
>             Fix For: 1.5-M4
>
>
> In the constructor for the class icket/markup/html/debug/PageView a list is created,
> then the empty list is cleared, possibly elements are added to the list and
> the list is sorted (even if no element were added):
>     // Create an empty list. It'll be filled later
>     final List<ComponentData> data = new ArrayList<ComponentData>();
>     // Name of page
>     add(new Label("info", page == null ? "[Stateless Page]" : page.toString()));
>     // Get the components data and fill and sort the list
>     data.clear();
>     if (page != null)
>     {
>       data.addAll(getComponentData(page));
>     }
>     Collections.sort(data, new Comparator<ComponentData>()
>     {
>       public int compare(ComponentData o1, ComponentData o2)
>       {
>         return (o1).path.compareTo((o2).path);
>       }
>     });
>     // Create the table containing the list the components
>     add(new ListView<ComponentData>("components", data)
>     { ..... }
> Consider the re-write:
>   // Name of page
>   add(new Label("info", page == null ? "[Stateless Page]" : page.toString()));
>     
>   // Create an empty list. It'll be filled later
>   List<ComponentData> data = null;
>   
>   if (page != null) {
>     // Get the components data and fill and sort the list
>     data =  new ArrayList<ComponentData>(getComponentData(page));
>     Collections.sort(data, new Comparator<ComponentData>() {
>         public int compare(ComponentData o1, ComponentData o2) {
>           return (o1).path.compareTo((o2).path);
>         }                         
>     }); 
>   } else {
>     data = Collections.emptyList;
>   }
>   
>   // Create the table containing the list the components
>   add(new ListView<ComponentData>("components", data)
>   { ...... }
> The list is not cleared and is only sorted if there is something in it.

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[jira] Updated: (WICKET-3201) icket/markup/html/debug/PageView clearing and possibly sorting empty list

Posted by "Richard Emberson (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/WICKET-3201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Emberson updated WICKET-3201:
-------------------------------------

    Priority: Trivial  (was: Major)

> icket/markup/html/debug/PageView clearing and possibly sorting empty list
> -------------------------------------------------------------------------
>
>                 Key: WICKET-3201
>                 URL: https://issues.apache.org/jira/browse/WICKET-3201
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 1.5-M3
>         Environment: all
>            Reporter: Richard Emberson
>            Priority: Trivial
>
> In the constructor for the class icket/markup/html/debug/PageView a list is created,
> then the empty list is cleared, possibly elements are added to the list and
> the list is sorted (even if no element were added):
>     // Create an empty list. It'll be filled later
>     final List<ComponentData> data = new ArrayList<ComponentData>();
>     // Name of page
>     add(new Label("info", page == null ? "[Stateless Page]" : page.toString()));
>     // Get the components data and fill and sort the list
>     data.clear();
>     if (page != null)
>     {
>       data.addAll(getComponentData(page));
>     }
>     Collections.sort(data, new Comparator<ComponentData>()
>     {
>       public int compare(ComponentData o1, ComponentData o2)
>       {
>         return (o1).path.compareTo((o2).path);
>       }
>     });
>     // Create the table containing the list the components
>     add(new ListView<ComponentData>("components", data)
>     { ..... }
> Consider the re-write:
>   // Name of page
>   add(new Label("info", page == null ? "[Stateless Page]" : page.toString()));
>     
>   // Create an empty list. It'll be filled later
>   List<ComponentData> data = null;
>   
>   if (page != null) {
>     // Get the components data and fill and sort the list
>     data =  new ArrayList<ComponentData>(getComponentData(page));
>     Collections.sort(data, new Comparator<ComponentData>() {
>         public int compare(ComponentData o1, ComponentData o2) {
>           return (o1).path.compareTo((o2).path);
>         }                         
>     }); 
>   } else {
>     data = Collections.emptyList;
>   }
>   
>   // Create the table containing the list the components
>   add(new ListView<ComponentData>("components", data)
>   { ...... }
> The list is not cleared and is only sorted if there is something in it.

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