Bug 214204 Only document content in document folder should be removed.[0601]
Description: Only document related content in document folder should be removed. Build number:2.3.0.v20080103 Steps to reproduce: 1. Deploy BIRT. 2. Edit web.xml to set BIRT_VIEWER_DOCUMENT_FOLDER to your local path and there are content inside the path. 3. Start server and click View Example to preview sample report. Expected result: Only content created by viewer should be removed in specified document folder. Actual result: All contents are deleted despite whether they are related with BIRT. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
if ( filePath.length( ) <= 0 )
		{
			filePath = generateDocumentFromReport( request );
			filePath = createDocumentPath( filePath, request );
		}
		else
		{
			filePath = getRealPathOnWorkingFolder( filePath, request );
		}
		return filePath;
	}
	/**
	 * Return the document file according to report name
	 * 
	 * @param request
	 * @param reportFile
	 * @param id
	 * @return
	 */
	public static String getReportDocument( HttpServletRequest request,
			String reportFile, String id )
	{
		if ( reportFile == null )
			return null;
		String documentFile = generateDocumentFromReport( reportFile, id );
		documentFile = createDocumentPath( documentFile, request );
		return documentFile;
	}
	/**
	 * Returns the real path based on working folder. If file path is an