Bug 206285 Rename the report contain parameter will lead to the report cannot be preview[0705]
Description: Rename the report will lead to the report cannot be preview[0705] Step: 1. New a report contain a parameter named R1. 2. Preview it. 3. Rename the report as R2 4. Preview it again. Actual result: Step 2 is ok. But the step 4 will pop up an error and said that the report does not exist or contains errors. Expected result: The report can be preview when rename it.
UI/org.eclipse.birt.report.designer.ui.preview.web/src/org/eclipse/birt/report/designer/ui/preview/editors/ReportPreviewFormPage.java
public void setInput( IEditorInput input )
	{
		super.setInput( input );
	}
	/**
	 * Get parameter values from config file.
	 * 
	 * @return Map
	 */
	private Map getConfigVars( )
	{
		HashMap configVars = new HashMap( );
		
		String configFileName = getConfigFileName( this.getFileUri( ) );
		if ( configFileName == null )
			return configVars;
		ReportDesignHandle handle = null;
		try
		{
			
			SessionHandle sessionHandle = SessionHandleAdapter.getInstance( )
					.getSessionHandle( );
			File configFile = new File( configFileName );
			
			if ( configFile != null && configFile.exists( )
					&& configFile.isFile( ) )
			{
				handle = sessionHandle.openDesign( configFileName );
				if ( handle != null )
				{