[TAPESTRY-2734] AbstractDataSqueezerFilter needs to be more helpful on errors ( patch included )

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.1.6
• Component/s: Framework
• Assignee: Unassigned
• Reporter: Patrick Moore
• Created: 20/Apr/09 08:15
• Updated: 20/Apr/09 08:15

Description

/**

• A useful superclass for data squeezer filters. Subclasses only have
• to implement the single object versions of the squeeze/unsqueeze methods.
• @author jcarman
  */
  public abstract class AbstractDataSqueezerFilter implements DataSqueezerFilter
  {

/**

• Merely calls squeeze(Object,DataSqueezer) on each object in
• the array.
  */
  public String[] squeeze( Object[] objects, DataSqueezer next )
  {
  final String[] squeezed = new String[objects.length];

for( int i = 0; i < squeezed.length; i++ ) {
try

{ squeezed[i] = squeeze( objects[i], next ); }

catch(RuntimeException e) {
if ( objects[i] != null )

{ throw new ApplicationRuntimeException("A "+objects[i].getClass()+": ( the "+i+"th element) when squeezed, threw an exception",e); }

else

{ throw e; }

}
}

return squeezed;
}

/**

• Merely calls unsqueeze(String,DataSqueezer) on each object in
• the array.
  */
  public Object[] unsqueeze( String[] strings, DataSqueezer next )
  {
  final Object[] unsqueezed = new Object[strings.length];

for( int i = 0; i < unsqueezed.length; i++ ) {
try

{ unsqueezed[i] = unsqueeze( strings[i], next ); }

catch(RuntimeException e)

{ throw new ApplicationRuntimeException(Arrays.toString(strings)+": unsqueezing the "+i+"th element threw an exception",e); }

}

return unsqueezed;
}
}