Examples of javax.faces.validator.MethodExpressionValidator

javax.faces.validator.MethodExpressionValidator

MethodExpressionValidator is a {@link Validator} thatwraps a {@link MethodExpression}, and it performs validation by executing a method on an object identified by the {@link MethodExpression}.

        {
            comp.setValueExpression("requiredMessage", _requiredMessage);
        } 
        if (_validator != null)
        {
            comp.addValidator(new MethodExpressionValidator(_validator));
        }
        if (_validatorMessage != null)
        {
            comp.setValueExpression("validatorMessage", _validatorMessage);
        }

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                        + component.getClientId(context)
                        + " is no EditableValueHolder");
            }


            ((EditableValueHolder) component)
                    .addValidator(new MethodExpressionValidator(validator));
        }
    }

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                                        {
                                            validator = new PartialMethodExpressionValidator(methodExpression);
                                        }
                                        else
                                        {
                                            validator = new MethodExpressionValidator(methodExpression);
                                        }
                                    }
                                    ((EditableValueHolder) innerComponent).addValidator(validator);
                                    mctx.addMethodExpressionTargeted(innerComponent, attributeName, validator);
                                    if (mctx.isUsingPSSOnThisView() && mctx.isMarkInitialState())

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    return null;
  }


  public static void setValidator(EditableValueHolder editableValueHolder, Object validator) {
    if (validator instanceof MethodExpression) {
      editableValueHolder.addValidator(new MethodExpressionValidator((MethodExpression) validator));
    } else {
      LOG.error("Unknow instance for validator: " + (validator != null ? validator.getClass().getName() : validator));
    }
  }

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  protected void setValidatorProperty(UIComponent component, MethodExpression validator) {
    
    if (validator != null) {
      if (component instanceof EditableValueHolder) {
        EditableValueHolder input = (EditableValueHolder) component;
        input.addValidator(new MethodExpressionValidator(validator));
      } else {
              throw new IllegalArgumentException(Messages.getMessage(Messages.NO_EDITABLE_VALUE_HOLDER_ERROR, component.getId()));
      }
    }
  }

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            {
                validator = new PartialMethodExpressionValidator(methodExpression);
            }
            else
            {
                validator = new MethodExpressionValidator(methodExpression);
            }
        }
        ((EditableValueHolder) innerComponent).addValidator(validator);
        mctx.addMethodExpressionTargeted(innerComponent, targetAttributeName, validator);
    }

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  /**
   * @deprecated since 2.0.0
   */
  public static void setValidator(EditableValueHolder editableValueHolder, Object validator) {
    if (validator instanceof MethodExpression) {
      editableValueHolder.addValidator(new MethodExpressionValidator((MethodExpression) validator));
    } else {
      LOG.error("Unknown instance for validator: " + (validator != null ? validator.getClass().getName() : "<null>"));
    }
  }

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                                        methodExpression = reWrapMethodExpression(context.getApplication().getExpressionFactory().
                                                createMethodExpression(elContext,
                                                    attributeExpressionString, Void.TYPE, 
                                                    VALIDATOR_SIGNATURE), attributeNameValueExpression);
            
                                        validator = new MethodExpressionValidator(methodExpression); 
                                    }
                                    ((EditableValueHolder)innerComponent).addValidator( validator );
                                    mctx.addMethodExpressionTargeted(innerComponent, targetAttributeName, validator);
                                }
                                else if ("valueChangeListener".equals(targetAttributeName))

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                                                               ve.getExpressionString(),
                                                               Void.TYPE,
                                                               VALIDATOR_ARGS);


                ((EditableValueHolder) target).addValidator(
                      new MethodExpressionValidator(
                            new ContextualCompositeMethodExpression(ve,
                                                                    me)));


            }

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            {
                validator = new PartialMethodExpressionValidator(methodExpression);
            }
            else
            {
                validator = new MethodExpressionValidator(methodExpression);
            }
        }
        ((EditableValueHolder) innerComponent).addValidator(validator);
        mctx.addMethodExpressionTargeted(innerComponent, targetAttributeName, validator);
    }

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