Package liquibase.ui

Interface UIService

All Superinterfaces:

Cloneable, ExtensibleObject, Plugin

All Known Implementing Classes:

CompositeUIService, ConsoleUIService, LoggerUIService, MavenUi

public interface UIService
extends ExtensibleObject, Plugin

Service for interacting with the user.

Field Summary

Fields inherited from interface liquibase.plugin.Plugin

PRIORITY_DATABASE, PRIORITY_DEFAULT, PRIORITY_NOT_APPLICABLE, PRIORITY_SPECIALIZED

Method Summary

Modifier and Type	Method	Description
boolean	getAllowPrompt()	Return current setting of allow prompt flag
int	getPriority()
<T> T	prompt(String prompt, T valueIfNoEntry, InputHandler<T> inputHandler, Class<T> type)	Prompt the user with the message and wait for a response. If this UIService implementation does not support user prompts, return the default value. If inputHandler is null, DefaultInputHandler will be used. If inputHandler throws an IllegalArgumentException, the user will be given the chance to re-enter the value. If the inputHandler returns true for InputHandler.shouldAllowEmptyInput() and the user enters an empty value when prompted, or hits "enter", the valueIfNoEntry will be returned.
void	sendErrorMessage(String message)	Send an "error" message to the user.
void	sendErrorMessage(String message, Throwable exception)	Send an "error" message to the user along with a stacktrace.
void	sendMessage(String message)	Send a "normal" message to the user.
void	setAllowPrompt(boolean allowPrompt)	Method to set flag indicating whether prompting is allowed

Methods inherited from interface liquibase.ExtensibleObject

clone, describe, get, get, getAttributes, getObjectMetaData, getValuePath, has, set

Method Details

getPriority

int getPriority()

sendMessage

void sendMessage(String message)

Send a "normal" message to the user.

sendErrorMessage

void sendErrorMessage(String message)

Send an "error" message to the user.

sendErrorMessage

void sendErrorMessage(String message,
 Throwable exception)

Send an "error" message to the user along with a stacktrace.

prompt

<T> T prompt(String prompt,
 T valueIfNoEntry,
 InputHandler<T> inputHandler,
 Class<T> type)

Prompt the user with the message and wait for a response.
If this UIService implementation does not support user prompts, return the default value.
If inputHandler is null, DefaultInputHandler will be used.
If inputHandler throws an IllegalArgumentException, the user will be given the chance to re-enter the value.
If the inputHandler returns true for InputHandler.shouldAllowEmptyInput() and the user enters an empty value when prompted, or hits "enter", the valueIfNoEntry will be returned. If the inputHandler returns false for InputHandler.shouldAllowEmptyInput(), the user will be reprompted until they enter a non-empty value, which will then be returned.

setAllowPrompt

void setAllowPrompt(boolean allowPrompt)
             throws IllegalArgumentException

Method to set flag indicating whether prompting is allowed

Parameters:

allowPrompt - New flag value

Throws:

IllegalArgumentException - If parameter is not allowed

getAllowPrompt

boolean getAllowPrompt()

Return current setting of allow prompt flag

Returns:

boolean