Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
{
			
			
			if ( e.getStatus( ).getCode( ) == IResourceStatus.PATH_OCCUPIED )
				folderHandle.refreshLocal( IResource.DEPTH_INFINITE,
						new SubProgressMonitor( monitor, 500 ) );
			else
				throw e;
		}
		if ( monitor.isCanceled( ) )
			throw new OperationCanceledException( );
	}
	/**
	 * @return Report Designer UI plugin installation directory as OS string.
	 */
	public static String getHomeDirectory( )
	{
		URL url = ReportPlugin.getDefault( ).getBundle( ).getEntry( "/" );
		String home = null;
		try
		{
			home = Platform.resolve( url ).getPath( );
		}
		catch ( IOException e )
		{
			e.printStackTrace( );
		}
		return home.substring( 1 );
	}
	/**