Java EditableValueHolder.isValid方法代码示例

import javax.faces.component.EditableValueHolder; //导入方法依赖的package包/类
public void registerInput(final EditableValueHolder input, final Validator validator, final FacesContext context) {
    inputs.add(input);

    if (!input.isValid()) {
        validationError = true;
    }
    // optimization to avoid loop if already flagged
    else if (!validationError) {
        Iterator<FacesMessage> it = context.getMessages(((UIComponent) input).getClientId(context));
        while (it.hasNext()) {
            if (it.next().getSeverity().compareTo(FacesMessage.SEVERITY_WARN) >= 0) {
                validationError = true;
                break;
            }
        }
    }
}
 

import javax.faces.component.EditableValueHolder; //导入方法依赖的package包/类
private boolean _assertStampHonoursState(EditableValueHolder evh)
{
  return (evh.getSubmittedValue() == _submitted) &&
    (evh.getLocalValue() == _local) &&
    (evh.isLocalValueSet() == _localSet) &&
    (evh.isValid() == _valid);
}
 

import javax.faces.component.EditableValueHolder; //导入方法依赖的package包/类
public static String getValueToRender(FacesContext context, UIComponent component) {
	if (component instanceof ValueHolder) {

		if (component instanceof EditableValueHolder) {
			EditableValueHolder input = (EditableValueHolder) component;
			Object submittedValue = input.getSubmittedValue();

			if (submittedValue == null && context.isValidationFailed() && !input.isValid()) {
				return null;
			} else if (submittedValue != null) {
				return submittedValue.toString();
			}
		}

		ValueHolder valueHolder = (ValueHolder) component;
		Object value = valueHolder.getValue();

		// format the value as string
		if (value != null) {
			return value.toString();
		} else {
			// component is a value holder but has no value
			return null;
		}
	}

	// component is not a value holder
	return null;
}
 

import javax.faces.component.EditableValueHolder; //导入方法依赖的package包/类
@Override
public Object getConvertedValue(
  FacesContext context,
  UIComponent  component,
  Object       submittedValue)
{
  EditableValueHolder monthComp = (EditableValueHolder) component.getFacet("month");
  EditableValueHolder yearComp = (EditableValueHolder) component.getFacet("year");
  EditableValueHolder dayComp = (EditableValueHolder) component.getFacet("day");

  if (!monthComp.isValid() ||
      !yearComp.isValid() ||
      !dayComp.isValid())
  {
    // =-=AEW What to do????????
    //setValid(false);
    return null;
  }

  int year = ((Number) yearComp.getValue()).intValue();
  // We'll be 1970 - 2069.  Good enough for a demo.
  if (year < 70)
    year += 100;

  int month = ((Number) monthComp.getValue()).intValue() - 1;
  int day = ((Number) dayComp.getValue()).intValue();

  Date oldValue = (Date) ((EditableValueHolder) component).getValue();
  //Date newValue = (Date) oldValue.clone();
  Calendar calendar = Calendar.getInstance();
  calendar.setLenient(true);
  calendar.setTime(oldValue);
  calendar.set(Calendar.YEAR, year);
  calendar.set(Calendar.MONTH, month);
  calendar.set(Calendar.DAY_OF_MONTH, day);
  
  // Invalid day given the month
  if (day != calendar.get(Calendar.DAY_OF_MONTH))
  {
    int numberOfDaysInMonth = day - calendar.get(Calendar.DAY_OF_MONTH);
    FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR,
                  "Invalid date.",
                  "This month only has " + numberOfDaysInMonth + " days!");
    throw new ConverterException(message);
  }

  return calendar.getTime();
}
 

import javax.faces.component.EditableValueHolder; //导入方法依赖的package包/类
public ChildStateHolder(EditableValueHolder evh) {
    this.value = evh.getLocalValue();
    this.valid = evh.isValid();
    this.submittedValue = evh.getSubmittedValue();
    this.localValueSet = evh.isLocalValueSet();
}
 

import javax.faces.component.EditableValueHolder; //导入方法依赖的package包/类
public void populate(EditableValueHolder evh) {
	this.value = evh.getLocalValue();
	this.valid = evh.isValid();
	this.submittedValue = evh.getSubmittedValue();
	this.localValueSet = evh.isLocalValueSet();
}