Java Converter.getAsString方法代碼示例

import javax.faces.convert.Converter; //導入方法依賴的package包/類
protected String getConvertedString(
  FacesContext context,
  UIComponent  component,
  FacesBean    bean)
{
  Object value = getValue(component, bean);
  Converter converter = getConverter(component, bean);
  // If there's no explicitly set converter, and the value is non-null
  // and not a String, try to get a default converter
  if ((converter == null) &&
      (value != null) &&
      !(value instanceof String))
    converter = getDefaultConverter(context, component, bean);

  if (converter != null)
  {
    return converter.getAsString(context, component, value);
  }

  return toString(value);
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Return the value to output for an item.
 */
static public Object getItemValue(
  FacesContext context,
  UIComponent  component,
  SelectItem   item,
  Converter    converter,
  boolean      valuePassThru,
  int          index)
{
  if (!valuePassThru)
  {
    return IntegerUtils.getString(index);
  }
  else
  {
    Object itemValue = item.getValue();
    if ((itemValue != null) && (converter != null))
    {
      itemValue = converter.getAsString(context,
                                        component,
                                        itemValue);
    }

    return itemValue;
  }
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
protected Object getConvertedValue(
  FacesContext    context,
  CoreOutputText  cot)
{
  Object value = cot.getValue();
  if (value == null)
    return null;

  Converter converter = cot.getConverter();
  if ((converter == null) && !(value instanceof String))
  {
    converter = getConverterByType(context, cot);
  }

  if (converter != null)
  {
    return converter.getAsString(context, cot, value);
  }

  return value;
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
protected Object getConvertedValue(
  FacesContext context,
  UIComponent  component,
  FacesBean    bean)
{
  Object value = getValue(component, bean);
  if (value == null)
    return null;

  Converter converter = getConverter(component, bean);
  if ((converter == null) && !(value instanceof String))
  {
    converter = getConverterByType(context, bean);
  }

  if (converter != null)
  {
    return converter.getAsString(context, component, value);
  }

  return value;
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Should return value string for the readonly view mode. Can be overridden
 * for custom components.
 */
private String getReadonlyDisplayValue(final Object value, final UIInput component, final Converter converter) {
    if (value == null || "".equals(value)) {
        return "-";
    } else if (converter != null) {
        final String asString = converter.getAsString(FacesContext.getCurrentInstance(), component, value);
        return asString == null ? "-" : asString;
    }

    if (component instanceof HtmlCheckBox) {
        HtmlCheckBox checkBoxComponent = (HtmlCheckBox) component;
        final StringBuilder sb = new StringBuilder();
        if (StringUtils.isNotEmpty(checkBoxComponent.getDescription())) {
            sb.append(checkBoxComponent.getDescription()).append(": ");
        }
        sb.append((Boolean) value ? "ja" : "nein");
        return sb.toString();
    }

    return String.valueOf(value);
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Algorithm works as follows; - If it's an input component, submitted value
 * is checked first since it'd be the value to be used in case validation
 * errors terminates jsf lifecycle - Finally the value of the component is
 * retrieved from backing bean and if there's a converter, converted value
 * is returned
 *
 * @param context
 *            FacesContext instance
 * @return End text
 */
public Object getValue2Render(FacesContext context, SelectMultiMenu menu) {
	Object sv = menu.getSubmittedValue();
	if (sv != null) {
		return sv;
	}

	Object val = menu.getValue();
	if (val != null) {
		Converter converter = menu.getConverter();

		if (converter != null)
			return converter.getAsString(context, menu, val);
		else
			return val;

	} else {
		// component is a value holder but has no value
		return null;
	}
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
private String getOptionAsString(FacesContext context, SelectOneMenu menu, Object value, Converter converter)
		throws ConverterException {

	if (converter == null) {
		if (value == null) {
			return "";
		} else if (value instanceof String) {
			return (String) value;
		} else {
			Converter implicitConverter = findImplicitConverter(context, menu);

			return implicitConverter == null ? value.toString()
					: implicitConverter.getAsString(context, menu, value);
		}
	} else {
		return converter.getAsString(context, menu, value);
	}
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Give subclasses a chance to override the ReturnEvent.
 */
@Override
protected void queueReturnEvent(
  FacesContext context,
  UIComponent  component,
  ReturnEvent  event)
{
  Object returnValue = event.getReturnValue();

  // If we got passed a Color object, send it back to String
  // land (where it needs to be for submitted values).
  if (returnValue instanceof Color)
  {
    FacesBean bean = getFacesBean(component);
    Converter converter = getConverter(component, bean);
    if (converter == null)
      converter = getDefaultConverter(context, component, bean);

    if (converter != null)
    {
      returnValue = converter.getAsString(context,
                                          component,
                                          returnValue);
    }
    else
    {
      returnValue = returnValue.toString();
    }

    event = new ReturnEvent(component,
                            returnValue,
                            event.getReturnParameters());
  }

  event.queue();
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Give subclasses a chance to override the ReturnEvent.
 */
@Override
protected void queueReturnEvent(
  FacesContext context,
  UIComponent  component,
  ReturnEvent  event)
{
  Object returnValue = event.getReturnValue();
  GenericConverterFactory fac = GenericConverterFactory.getCurrentInstance();

  // If we got passed a Date object, send it back to String
  // land (where it needs to be for submitted values).
  if ((returnValue instanceof Date) || fac.isConvertible(returnValue, Date.class))
  {
    FacesBean bean = getFacesBean(component);
    Converter converter = getConverter(component, bean);
    if (converter == null)
      converter = getDefaultConverter(context, component, bean);

    if (converter != null)
    {
      returnValue = converter.getAsString(context,
                                          component,
                                          returnValue);
    }
    else
    {
      returnValue = returnValue.toString();
    }

    event = new ReturnEvent(component,
                            returnValue,
                            event.getReturnParameters());
  }

  event.queue();
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
private Object _getConvertedValue(
  FacesContext context,
  UIComponent  component,
  Converter    converter,
  Object       value)
{
  return converter.getAsString(context, component, value);
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * This test performs action on the method
 * javax.faces.convert.Converter.getAsObject(FacesContext, UIComponent, String)
 * and
 * javax.faces.convert.Converter.getAsString(FacesContext, UIComponent, Object)
 * for method getAsObject() should return a value of null while getAsString()
 * should return a empty string.
 * @throws ValidatorException  when test fails
 */
protected void doTestNull(
  MockFacesContext context,
  MockUIComponentWrapper wrapper,
  Converter converter
  ) throws ConverterException
{
  Object obj = converter.getAsObject(context, wrapper.getUIComponent(), null);
  assertEquals(null, obj);
  String str = converter.getAsString(context, wrapper.getUIComponent(), null);
  assertEquals("",str);
  wrapper.getMock().verify();
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Test the validity of call on the method
 * javax.faces.convert.Converter.getAsString(FacesContext, UIComponent, Object)
 * @param converter converter which is to be tested
 * @param context MockFaces context
 * @param component MockFaces component
 * @throws javax.faces.convert.ConvertException
 */
protected void doTestGetAsString(
  Converter converter,
  MockFacesContext context,
  MockUIComponentWrapper wrapper,
  Object value,
  String expectedValue
  )  throws ConverterException
{
  Object conv = converter.getAsString(context, wrapper.getUIComponent(), value);
  assertEquals(conv, expectedValue);
  wrapper.getMock().verify();
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
private Object getValue(FacesContext context, SketchPad sketchPad) {
	Object submittedValue = sketchPad.getSubmittedValue();
	if (submittedValue != null) {
		return submittedValue;
	}
	Object value = sketchPad.getValue();
	Converter converter = getConverter(context, sketchPad);
	if (converter != null) {
		return converter.getAsString(context, sketchPad, value);
	} else if (value != null) {
		return value.toString();
	} else {
		return "";
	}
}
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
protected String getCurrentValue(FacesContext context, final UIComponent component) {

        if (component instanceof UIInput) {
            Object submittedValue = ((UIInput) component).getSubmittedValue();
            if (submittedValue != null) {
                // value may not be a String...
                return submittedValue.toString();
            }
        }

        if (component instanceof ValueHolder) {
            final ValueHolder valueHolder = (ValueHolder) component;
            final Object value = valueHolder.getValue();
            final Converter converter = valueHolder.getConverter();

            if (converter != null && value != null) {
                return converter.getAsString(context, component, value);
            }

            if (value != null) {
                return value.toString();
            }
        }

        return null;

    }
 

import javax.faces.convert.Converter; //導入方法依賴的package包/類
/**
 * Get date in string format
 * @param fc The FacesContext
 * @param dtp the DateTimePicker component
 * @param value The date to display
 * @param javaFormatString The format string as defined by the SimpleDateFormat syntax
 * @param locale The locale
 * @return null if the value is null.
 */
public static String getDateAsString(FacesContext fc, DateTimePicker dtp, Object value, String javaFormatString, Locale locale) {
	if (value == null) {
		return null;
	}

	Converter converter = dtp.getConverter();
	return  converter == null ?
			getInternalDateAsString(value, javaFormatString, locale)
			:
			converter.getAsString(fc, dtp, value);

}