Mailbox (Java APG)

java.lang.Object
- apg.Grammar
- - examples.mailbox.Mailbox

```
public class Mailbox
extends Grammar
```
This class has been generated automatically from an SABNF grammar by the Generator class of Java APG, Version 1.1.0.
It is an extension of the Grammar class containing additional members and enums not found in the base class.
The function getInstance() will return a reference to a static, singleton instance of the class.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`Mailbox.RuleNames`	This enum provides easy to remember enum constants for locating the rule identifiers and names.
`static class`	`Mailbox.UdtNames`	This enum provides easy to remember enum constants for locating the UDT identifiers and names.

Field Summary

Fields
Modifier and Type Field Description

static int ruleCount
The number of rules in the grammar

static int udtCount
The number of UDTs in the grammar

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`display(java.io.PrintStream out)`	Displays the original SABNF grammar on the output device.
`static Grammar`	`getInstance()`	Called to get a singleton instance of this class.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - ruleCount
```
public static int ruleCount
```
    The number of rules in the grammar
  - udtCount
```
public static int udtCount
```
    The number of UDTs in the grammar
- Method Detail
  - getInstance
```
public static Grammar getInstance()
```
    Called to get a singleton instance of this class.
    
    Returns:
    
    a singleton instance of this class, cast as the base class, Grammar.
  - display
```
public static void display(java.io.PrintStream out)
```
    Displays the original SABNF grammar on the output device.
    
    Parameters:
    
    out - the output device to display on.