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}.

                                                               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, attributeName, validator);
                                    if (mctx.isUsingPSSOnThisView() && mctx.isMarkInitialState())

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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, attributeName, validator);
                                }
                                else if ("valueChangeListener".equals(attributeName))

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            if (!(component instanceof EditableValueHolder))
            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
            }


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

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    return valueExpression;
  }


  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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            if (!(component instanceof EditableValueHolder))
            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
            }


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

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

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

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            if (!(component instanceof EditableValueHolder))
            {
                throw new IllegalArgumentException("Component " + component.getClientId(context) + " is no EditableValueHolder");
            }


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

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