docs: private String[] canonicalise(final String[] xaResInfoClasspath)
      {
          if (tc.isEntryEnabled()) Tr.entry(tc, "canonicalise", xaResInfoClasspath);
  
          final String[] result;
          
          if(xaResInfoClasspath != null)
          {
              final ArrayList<String> al = new ArrayList<String>();
  
              for (final String pathElement : xaResInfoClasspath)
              {
                  if(pathElement != null) 
                  {
                      String cp;
                      
                      try
                      {
                          cp = (String)TMHelper.runAsSystem(new PrivilegedExceptionAction<String>()
                                  {
                                      public String run() throws Exception
                                      {
                                          String path = (new File(pathElement)).getCanonicalPath(); //@D656080A
                                          if (!(new File(path)).exists()) path = null;              //@D656080A
                                          return path;                                              //@D656080C
                                      }
                                  }
                          );
                      }
                      catch(Throwable t)
                      {
                          FFDCFilter.processException(t, "com.ibm.ws.Transaction.JTA.XARecoveryWrapper.canonicalise", "512", this);
                          
                          // can't do much else than ....
                          cp = pathElement;
                      }
                      
                      if (cp != null) al.add(cp);  // @D656080C
                  }
              }
              
              if (al.size() > 0)                               // @D656080A
              {                                                // @D656080A
                  result = al.toArray(new String[al.size()]);
              }                                                // @D656080A
              else                                             // @D656080A
              {                                                // @D656080A
                  result = null;                               // @D656080A
              }                                                // @D656080A
          }
          else
          {
              result = null;
          }
  
          if (tc.isEntryEnabled()) Tr.exit(tc, "canonicalise", result);
  
          return result;
      }