Bug 160176 Create design by a template
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignSession.java
locale = ULocale.getDefault( );
		activate( );
	}
	/**
	 * Activates this session within a thread. Used in the web environment to
	 * associate this session with a message thread. Required to allow the
	 * thread to access localized messages.
	 */
	public void activate( )
	{
		ThreadResources.setLocale( locale );
	}
	/**
	 * Dis-associates this session from a thread. Used in the web environment at
	 * the end of a message thread to clean up design-engine artifacts
	 * associated with the thread.
	 */
	public void suspend( )
	{
		ThreadResources.setLocale( null );
	}
	/**
	 * Opens a design given the file name of the design.
	 * 
	 * @param fileName
	 *            The name of the file to open. This name must include the file
	 *            name with the filename extension.
	 * @return the opened report design.
	 * @throws DesignFileException
	 *             If the file is not found, or the file contains fatal errors.