Bug 200812 Issue when remove one separator setting in viewer.property[0002]
Description: Issue when remove one separator setting in viewer.property Build number:2.2.1.v200708220927 Steps to reproduce: 1. Deploy birt. 2. Open viewer.properties under WEB-INF folder. 3. Delete "viewer.sep.0=," line 4. Start server. 5. Preview report. 6. Export Data, select columns and select "Comma(,)", click OK. Expected result: Comma(,) isn't in the separator list. Actual result: Nothing happened after step6 and no error logs. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
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
	 * 
	 * @param key