Bug 128166 the xml data can be displayed incorrectly
Description: the xml data can be displayed incorrectly Steps to reproduce: 1. import the attached report design file. 2. set a table mapping as '//Book' 3. add a column mapping '../@location' 4. save and preview. Actual result: the 'Sunderland' is displayed Expect result: the 'Paris' is displayed
data/org.eclipse.birt.report.data.oda.xml/src/org/eclipse/birt/report/data/oda/xml/util/RelationInformation.java
*/
	public String[] getSimpleNestXMLColumnNames( )
	{
		ArrayList temp = new ArrayList();
		String[] columnNames = getColumnNames();
		for( int i = 0; i < columnNames.length; i++)
		{
			String nestedXMLColumnPathPrefix = ((ColumnInfo)columnInfos.get(columnNames[i])).getColumnPath();
			
			if( !nestedXMLColumnPathPrefix.matches( ".*\\Q@\\E.*" ))
				continue;
			 
			nestedXMLColumnPathPrefix = nestedXMLColumnPathPrefix.replaceAll( "\\Q[@\\E.*", "" );
				
			if( isSimpleNestedColumn( rootPath, nestedXMLColumnPathPrefix))
				temp.add( columnNames[i] );
		}
		return getStringArrayFromList( temp );
	}
	
	/**
	 * Test if given treated column path refer to a Simple Nested Column
	 * 
	 * @param rootPath
	 * @param treatedColumPath
	 * @return
	 */
	private boolean isSimpleNestedColumn( String rootPath, String treatedColumPath )
	{
		String[] tempString1 = treatedColumPath.split( "/" );