Bug 166931 Include double quotation in title of viewer tag will cause blank page.[0603]
Description: Include double quotation in title of viewer tag will cause blank page. Build number: 2.2.0.v20061206 Steps to reproduce: 1. New a BIRT Web project. 2. New a jsp file based on birt template, input below content in body: <birt:viewer id="0" name="first sample" title="first &quot; report &quot; title" reportDesign="birt_tag_sample.rptdesign" > </birt:viewer> 3. Run the project to see the jsp file. Expected result: Report displays with title first"report" title. Actual result: Blank page with nothing showed. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
{
			return paramName.replaceFirst( PREFIX_DISPLAY_TEXT, "" ); 
		}
		return null;
	}
	/**
	 * Generates a file name for the pdf output.
	 * 
	 * @param request
	 * @return the file name
	 */
	public static String generateFileName( HttpServletRequest request )
	{
		String defaultName = "BIRTReport"; 
		String fileName = defaultName;
		BaseAttributeBean attrBean = (BaseAttributeBean) request
				.getAttribute( IBirtConstants.ATTRIBUTE_BEAN );
		if ( attrBean == null )
			return fileName + ".pdf"; 
		String baseName = attrBean.getReportDesignName( );
		if ( baseName == null || baseName.length( ) == 0 )
			baseName = attrBean.getReportDocumentName( );
		assert baseName != null && baseName.length( ) > 0;
		int index = baseName.lastIndexOf( '/' );
		if ( index == -1 )
			index = baseName.lastIndexOf( '\\' );
		
		
		if ( index != -1 )
		{