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
* Clears the report document files which had been created last time the
	 * server starts up.
	 */
	protected static void clearDocuments( )
	{
		String targetFolder = documentFolder + File.separator + DOCUMENTS_DIR;
		File file = new File( targetFolder );
		boolean success = file.delete( );
		if ( !success )
			deleteDir( file );
	}
	/**
	 * Deletes all files and subdirectories under dir. Returns true if all
	 * deletions were successful. If a deletion fails, the method stops
	 * attempting to delete and returns false.
	 */
	protected static boolean deleteDir( File dir )
	{
		if ( dir.isDirectory( ) )
		{
			String[] children = dir.list( );
			for ( int i = 0; i < children.length; i++ )
			{
				boolean success = deleteDir( new File( dir, children[i] ) );
				if ( !success )
				{
					return false;
				}
			}
		}