com.ibm.xsp.validator
Class RequiredValidator

java.lang.Object
  com.ibm.xsp.complex.ValueBindingObjectImpl
      com.ibm.xsp.validator.AbstractValidator
          com.ibm.xsp.validator.RequiredValidator

All Implemented Interfaces:

ComponentBindingObject, ValueBindingObject, FacesRequiredValidator, java.util.EventListener, javax.faces.component.StateHolder, javax.faces.validator.Validator

public class RequiredValidator
extends AbstractValidator
implements FacesRequiredValidator

The "xp:validateRequired" tag used in the XPage source. Provides an application designer's error message for when required values are not present.

Field Summary

Fields inherited from interface javax.faces.validator.Validator

NOT_IN_RANGE_MESSAGE_ID

Constructor Summary

RequiredValidator()

Method Summary

java.lang.String	getInvalidMessage() Return message that informs use that value is required
java.lang.String	getRequiredMessage() null or the required error message to display when the required value is not present.
protected boolean	isEmpty(java.lang.Object value) Return true if the value is empty (where "empty" is defined as null or a zero-length String.)
void	setComponent(javax.faces.component.UIComponent component) This will be called while constructing the component and the UIComponent tree, so no processing should be performed at this stage.
void	validate(javax.faces.context.FacesContext context, javax.faces.component.UIComponent component, java.lang.Object value)

Methods inherited from class com.ibm.xsp.validator.AbstractValidator

addInputInvalidMessage, createNullContextOrComponentEx, createValidatorEx, getInvalidRangeMessage, getMessage, getNotCorrectTypeMessage, restoreState, saveState, setMessage

Methods inherited from class com.ibm.xsp.complex.ValueBindingObjectImpl

getComponent, getFacesContext, getValueBinding, isTransient, setTransient, setValueBinding

Methods inherited from class java.lang.Object

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

Constructor Detail

RequiredValidator

public RequiredValidator()

Method Detail

validate

public void validate(javax.faces.context.FacesContext context,
                     javax.faces.component.UIComponent component,
                     java.lang.Object value)
              throws javax.faces.validator.ValidatorException

Specified by:

validate in interface javax.faces.validator.Validator

Throws:

javax.faces.validator.ValidatorException

setComponent

public void setComponent(javax.faces.component.UIComponent component)

Description copied from interface: ComponentBindingObject

This will be called while constructing the component and the UIComponent tree, so no processing should be performed at this stage.

Specified by:

setComponent in interface ComponentBindingObject

Overrides:

setComponent in class ValueBindingObjectImpl

getInvalidMessage

public java.lang.String getInvalidMessage()

Return message that informs use that value is required

Returns:

message that value is required

getRequiredMessage

public java.lang.String getRequiredMessage()

Description copied from interface: FacesRequiredValidator

null or the required error message to display when the required value is not present. If null, the infrastructure message will be used.

Specified by:

getRequiredMessage in interface FacesRequiredValidator

Returns:

message to display when value is required

isEmpty

protected boolean isEmpty(java.lang.Object value)

Return true if the value is empty (where "empty" is defined as null or a zero-length String.)