Bug 361443 Excel ODA
data/org.eclipse.birt.report.data.oda.excel/src/org/eclipse/birt/report/data/oda/excel/impl/util/ExcelFileSource.java
*
	 * @param connProperties
	 * @return
	 */
	private Properties getCopyOfConnectionProperties(Properties connProperties) {
		Properties copyConnProperites = new Properties();
        if (connProperties
				.getProperty(ExcelODAConstants.CONN_FILE_URI_PROP) != null)
        {
		copyConnProperites.setProperty(ExcelODAConstants.CONN_FILE_URI_PROP,
				connProperties
						.getProperty(ExcelODAConstants.CONN_FILE_URI_PROP));
        }
        copyConnProperites
				.setProperty(
						ExcelODAConstants.CONN_INCLCOLUMNNAME_PROP,
						connProperties
								.getProperty(ExcelODAConstants.CONN_INCLCOLUMNNAME_PROP));
		copyConnProperites.setProperty(
				ExcelODAConstants.CONN_INCLTYPELINE_PROP, connProperties
						.getProperty(ExcelODAConstants.CONN_INCLTYPELINE_PROP));
		return copyConnProperites;
	}
	/**
	 *
	 * @param connProperties
	 * @throws OdaException
	 */
	private void populateHomeDir(Properties connProperties) throws OdaException {
		this.uriPath = connProperties.getProperty( ExcelODAConstants.CONN_FILE_URI_PROP );