[jira] [Commented] (DIRSTUDIO-1133) Potential NPE issue

["Stefan Seelmann (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRSTUDIO-1133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15776956#comment-15776956 ] 

Stefan Seelmann commented on DIRSTUDIO-1133:
--------------------------------------------

Good catch, that condition doesn't makes sense.

The reason why no NPE happened is that filterList is never null. So I just removed the null check and made it final (plus some other changes): http://svn.apache.org/viewvc?rev=1776025&view=rev


> Potential NPE issue
> -------------------
>
>                 Key: DIRSTUDIO-1133
>                 URL: https://issues.apache.org/jira/browse/DIRSTUDIO-1133
>             Project: Directory Studio
>          Issue Type: Bug
>            Reporter: Jaechang Nam
>            Priority: Minor
>
> It seems there is an incorrect condition in if statement "else if ( filterList != null || !filterList.isEmpty() )". (still existing in the current snapshot, 1bf525559583e7469149038fa58adeffb2b5a246). If filterList is null, it would cause NPE.
> {code}
> 256     public LdapFilter getFilter( int offset )
> 257     {
> 258         if ( startToken != null && startToken.getOffset() == offset )
> 259         {
> 260             return parent;
> 261         }
> 262         else if ( filterList != null || !filterList.isEmpty() )
> 263         {
> 264             for ( Iterator<LdapFilter> it = filterList.iterator(); it.hasNext(); )
> 265             {
> 266                 LdapFilter filter = it.next();
> 267                 if ( filter != null && filter.getFilter( offset ) != null )
> 268                 {
> 269                     return filter.getFilter( offset );
> 270                 }
> 271             }
> 272             return null;
> 273         }
> 274         else
> 275         {
> 276             return null;
> 277         }
> 278     }
> {code}
> The indented code was this?
> {code}
> 262         else if ( filterList != null && !filterList.isEmpty() )
> {code}



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