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
file = "/" + file; 
				is = context.getResourceAsStream( file );
			}
			else
			{
				
				is = new FileInputStream( file );
			}
			
			PropertyResourceBundle bundle = new PropertyResourceBundle( is );
			if ( bundle != null )
			{
				Enumeration keys = bundle.getKeys( );
				while ( keys != null && keys.hasMoreElements( ) )
				{
					String key = (String) keys.nextElement( );
					String value = (String) bundle.getObject( key );
					if ( key != null && value != null )
						props.put( key, value );
				}
			}
		}
		catch ( Exception e )
		{
		}
		return props;
	}
	/**
	 * Returns the property by name from initialized properties map
	 *