Bug 180431 Exported files from Export Report have no extension name.[0002]
Description: Exported files from Export Report have no extension name. Build number:2.2.0.v20070402 Steps to reproduce: 1. New a report. 2. Preview in Web Viewer. 3. Click Export Report. 4. Select any kind of format and click OK. 5. Save the report intead of open it. 6. Check the saved file. Expected result: If I choose PDF, the file name should be like "new_report_1.pdf" Actual result: The file name is new_report without extension name. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
if ( nullParams != null && nullParams.contains( name ) )
		{
			isExist = true;
		}
		return isExist;
	}
	/**
	 * If set isWorkingFolderAccessOnly as true, check the file if exist in
	 * working folder.
	 * 
	 * @param filePath
	 * @return boolean
	 */
	public static boolean isValidFilePath( String filePath )
	{
		if ( filePath == null )
			return false;
		if ( isWorkingFolderAccessOnly )
		{
			File docFile = new File( filePath );
			if ( !docFile.isAbsolute( ) )
			{
				if ( filePath.indexOf( ".." ) != -1 ) 
					return false;
				return true;
			}
			File docFolder = new File( workingFolder );
			if ( docFolder.isAbsolute( ) )
			{
				String absolutePath = docFile.getAbsolutePath( );