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
* Push User-defined application context object into engine context map.
	 * 
	 * @param map
	 * @param request
	 * @return
	 */
	public static Map pushAppContext( Map map, HttpServletRequest request )
	{
		if ( map == null )
			map = new HashMap( );
		
		String appContextKey = (String) request
				.getAttribute( ATTR_APPCONTEXT_KEY );
		
		if ( appContextKey != null )
			map.put( appContextKey, request
					.getAttribute( ATTR_APPCONTEXT_VALUE ) );
		return map;
	}
	/**
	 * Returns the encoding for export data.
	 * 
	 * @param request
	 * @return
	 */
	public static String getExportEncoding( HttpServletRequest request )
	{
		String encoding =  getParameter( request, PARAM_EXPORT_ENCODING );