ru.sstu.web.jsf

Class JsfValidator<T>

java.lang.Object

ru.sstu.web.jsf.JsfValidator<T>

Type Parameters:

T - type of input value

Direct Known Subclasses:

NumberValidator, StringValidator

public class JsfValidator<T>
extends Object

JsfValidator class is most common JSF validator.

Since:

Web 1.0

Author:

Denis_Murashev

Constructor Summary

Constructors

Constructor and Description
JsfValidator(javax.faces.context.FacesContext context, javax.faces.component.UIInput input, T value)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	checkEquals(T object, String resourceId) Checks if field value equals to required value.
boolean	checkEquals(T object, String resourceId, Object... parameters) Checks if field value equals to required value.
boolean	checkExists(Object object, Object dbObject, String resourceId) Checks if object with given name is already exists.
boolean	checkExists(Object object, Object dbObject, String resourceId, Object... parameters) Checks if object with given name is already exists.
protected javax.faces.context.FacesContext	getContext()
protected javax.faces.component.UIInput	getInput()
protected JsfMessages	getMessages()
protected T	getValue()
void	sendError(String resourceId) Sets validation error.
void	sendError(String resourceId, Object... parameters) Sets validation error.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsfValidator

public JsfValidator(javax.faces.context.FacesContext context,
            javax.faces.component.UIInput input,
            T value)

Parameters:

context - context

input - input

value - value

Method Detail

checkEquals

public boolean checkEquals(T object,
                  String resourceId)

Checks if field value equals to required value.

Parameters:

object - required value

resourceId - message id

Returns:

true if check is successful

checkEquals

public boolean checkEquals(T object,
                  String resourceId,
                  Object... parameters)

Checks if field value equals to required value.

Parameters:

object - required value

resourceId - message id

parameters - message parameters

Returns:

true if check is successful

checkExists

public boolean checkExists(Object object,
                  Object dbObject,
                  String resourceId)

Checks if object with given name is already exists.

Parameters:

object - changed object

dbObject - existing object

resourceId - message id

Returns:

true if check is successful

checkExists

public boolean checkExists(Object object,
                  Object dbObject,
                  String resourceId,
                  Object... parameters)

Checks if object with given name is already exists.

Parameters:

object - changed object

dbObject - existing object

resourceId - message id

parameters - message parameters

Returns:

true if check is successful

sendError

public void sendError(String resourceId)

Sets validation error.

Parameters:

resourceId - message resource id

sendError

public void sendError(String resourceId,
             Object... parameters)

Sets validation error.

Parameters:

resourceId - message resource id

parameters - message parameters

getMessages

protected JsfMessages getMessages()

Returns:

message resources

getContext

protected javax.faces.context.FacesContext getContext()

Returns:

the context

getInput

protected javax.faces.component.UIInput getInput()

Returns:

the input

getValue

protected T getValue()

Returns:

the value