Bug 191891 xtab nest in another xtab doesn't display data.[1102]
Description: xtab nest in another xtab doesn't display data. Build number:2.2.0.v200706111025 Steps to reproduce: 1. Insert a xtab. 2. Insert another xtab to first xtab's row area. 3. Preview in web viewer and html (attach report). Expected result: Display data for two xtabs. Actual result: Html display data correctly. Web Viewer can only display data for parent xtab. Error log:N/A
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/impl/AggregationResultSetSaveUtil.java
* @return
	 */
	private static String[] convertToStringArray( Object[] objs )
	{
		if( objs == null )
		{
			return null;
		}
		String[] result = new String[objs.length];
		System.arraycopy( objs, 0, result, 0, objs.length );
		return result;
	}
	
	/**
	 * 
	 * @param objs
	 * @return
	 */
	private static String[][] convertToMDStringArray( Object[][] objs )
	{
		if( objs == null )
		{
			return null;
		}
		String[][] result = new String[objs.length][];
		for( int i=0;i<result.length;i++)
		{
			result[i] = convertToStringArray( objs[i] );
		}
		return result;