Bug 154423 Stack overflow using XML data source
data/org.eclipse.birt.report.data.oda.xml/src/org/eclipse/birt/report/data/oda/xml/util/ui/SchemaPopulationUtil.java
{
						if( !(((ATreeNode)os[k]).getDataType()!= null && ((ATreeNode)os[k]).getDataType().equals(((ATreeNode) container.get( j )).getDataType())))
							( (ATreeNode) container.get( j ) ).addChild( os[k]);
					}
			
				}
			}
		}
	}
	/**
	 * Starting from a tree node, find all nodes with given value, and put it to
	 * container.
	 * 
	 * @param root
	 * @param value
	 * @param container
	 */
	private static void findNodeWithValue( ATreeNode root, String value,
			List container )
	{
		if ( root.getDataType( ) != null && root.getDataType( ).equals( value ) )
			container.add( root );
		Object[] children = root.getChildren( );
		for ( int i = 0; i < children.length; i++ )
		{
			findNodeWithValue( (ATreeNode) children[i], value, container );
		}
	}
	/**
	 * Return the root node of a schema tree.