Package com.bdtripp.hauntedhouse.model

Class Command

java.lang.Object

com.bdtripp.hauntedhouse.model.Command

public class Command
extends Object

Represents a parsed player command. A Command consists of a primary verb and up to two optional arguments that specify the target or context of the action. For example, the input "give spade Beatrice" produces the command word "give" with "spade" and "Beatrice" as its arguments. Missing arguments are represented as null, allowing the game to distinguish between incomplete and fully specified commands.

Author:

Brian Tripp

Constructor Summary

Constructors

Constructor	Description
Command(CommandWord firstWord, String secondWord, String thirdWord)	Create a command with three words.

Method Summary

Modifier and Type	Method	Description
CommandWord	getCommandWord()	Returns the primary command word supplied by the player.
String	getSecondWord()	Returns the second word of the command, if present.
String	getThirdWord()	Returns the third word of the command, if present.
boolean	hasSecondWord()	Indicates whether the command includes a second word.
boolean	hasThirdWord()	Indicates whether the command includes a third word.
boolean	isUnknown()	Indicates whether the command word is unrecognized.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Command

public Command(CommandWord firstWord,
 String secondWord,
 String thirdWord)

Create a command with three words. Words may be null.

Parameters:

firstWord - the first word of the command.

secondWord - the second word of the command.

thirdWord - the third word of the command.

Method Details

getCommandWord

public CommandWord getCommandWord()

Returns the primary command word supplied by the player. This represents the action the player intends to perform.

Returns:

the first word of the command

getSecondWord

public String getSecondWord()

Returns the second word of the command, if present. This is typically the object or target of the command.

Returns:

the second word, or null if the command contains only one word.

getThirdWord

public String getThirdWord()

Returns the third word of the command, if present. This is used for commands that require two arguments.

Returns:

the third word, or null if the command does not include one.

isUnknown

public boolean isUnknown()

Indicates whether the command word is unrecognized. A command is considered unknown when its primary word does not match any valid CommandWord.

Returns:

true if the command word is not understood.

hasSecondWord

public boolean hasSecondWord()

Indicates whether the command includes a second word.

Returns:

true if a second word is present.

hasThirdWord

public boolean hasThirdWord()

Indicates whether the command includes a third word.

Returns:

true if a third word is present.