org.bukkit.conversations
Class ValidatingPrompt

java.lang.Object
  extended by org.bukkit.conversations.ValidatingPrompt
All Implemented Interfaces:
Cloneable, Prompt
Direct Known Subclasses:
BooleanPrompt, FixedSetPrompt, NumericPrompt, PlayerNamePrompt, RegexPrompt

public abstract class ValidatingPrompt
extends Object
implements Prompt

ValidatingPrompt is the base class for any prompt that requires validation. ValidatingPrompt will keep replaying the prompt text until the user enters a valid response.


Field Summary
 
Fields inherited from interface org.bukkit.conversations.Prompt
END_OF_CONVERSATION
 
Constructor Summary
ValidatingPrompt()
           
 
Method Summary
 Prompt acceptInput(ConversationContext context, String input)
          Accepts and processes input from the user and validates it.
protected abstract  Prompt acceptValidatedInput(ConversationContext context, String input)
          Override this method to accept and processes the validated input from the user.
 boolean blocksForInput(ConversationContext context)
          Ensures that the prompt waits for the user to provide input.
protected  String getFailedValidationText(ConversationContext context, String invalidInput)
          Optionally override this method to display an additional message if the user enters an invalid input.
protected abstract  boolean isInputValid(ConversationContext context, String input)
          Override this method to check the validity of the player's input.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.bukkit.conversations.Prompt
getPromptText
 

Constructor Detail

ValidatingPrompt

public ValidatingPrompt()
Method Detail

acceptInput

public Prompt acceptInput(ConversationContext context,
                          String input)
Accepts and processes input from the user and validates it. If validation fails, this prompt is returned for re-execution, otherwise the next Prompt in the prompt graph is returned.

Specified by:
acceptInput in interface Prompt
Parameters:
context - Context information about the conversation.
input - The input text from the user.
Returns:
This prompt or the next Prompt in the prompt graph.

blocksForInput

public boolean blocksForInput(ConversationContext context)
Ensures that the prompt waits for the user to provide input.

Specified by:
blocksForInput in interface Prompt
Parameters:
context - Context information about the conversation.
Returns:
True.

isInputValid

protected abstract boolean isInputValid(ConversationContext context,
                                        String input)
Override this method to check the validity of the player's input.

Parameters:
context - Context information about the conversation.
input - The player's raw console input.
Returns:
True or false depending on the validity of the input.

acceptValidatedInput

protected abstract Prompt acceptValidatedInput(ConversationContext context,
                                               String input)
Override this method to accept and processes the validated input from the user. Using the input, the next Prompt in the prompt graph should be returned.

Parameters:
context - Context information about the conversation.
input - The validated input text from the user.
Returns:
The next Prompt in the prompt graph.

getFailedValidationText

protected String getFailedValidationText(ConversationContext context,
                                         String invalidInput)
Optionally override this method to display an additional message if the user enters an invalid input.

Parameters:
context - Context information about the conversation.
invalidInput - The invalid input provided by the user.
Returns:
A message explaining how to correct the input.


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