How to use

getValueExpression

method

in

javax.faces.component.html.HtmlInputTextarea

private void handleAttribute(String name, Object value) {
  List<String> setAttributes = (List<String>) this.getAttributes().get("javax.faces.component.UIComponentBase.attributesThatAreSet");
  if (setAttributes == null) {
    String cname = this.getClass().getName();
    if (cname != null && cname.startsWith(OPTIMIZED_PACKAGE)) {
      setAttributes = new ArrayList<String>(6);
      this.getAttributes().put("javax.faces.component.UIComponentBase.attributesThatAreSet", setAttributes);
    }
  }
  if (setAttributes != null) {
    if (value == null) {
      ValueExpression ve = getValueExpression(name);
      if (ve == null) {
        setAttributes.remove(name);
      }
    } else if (!setAttributes.contains(name)) {
      setAttributes.add(name);
    }
  }
}

private void handleAttribute(String name, Object value) {
  List<String> setAttributes = (List<String>) this.getAttributes().get("javax.faces.component.UIComponentBase.attributesThatAreSet");
  if (setAttributes == null) {
    String cname = this.getClass().getName();
    if (cname != null && cname.startsWith(OPTIMIZED_PACKAGE)) {
      setAttributes = new ArrayList<String>(6);
      this.getAttributes().put("javax.faces.component.UIComponentBase.attributesThatAreSet", setAttributes);
    }
  }
  if (setAttributes != null) {
    if (value == null) {
      ValueExpression ve = getValueExpression(name);
      if (ve == null) {
        setAttributes.remove(name);
      }
    } else if (!setAttributes.contains(name)) {
      setAttributes.add(name);
    }
  }
}

/**
 * Gets Script to be invoked when a key is pressed down over this element.
 *
 * @return  the new onkeydown value
 */
public String getOnkeydown()
{
 if (_onkeydown != null)
 {
  return _onkeydown;
 }
 ValueExpression expression = getValueExpression("onkeydown");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when the element is double-clicked.
 *
 * @return  the new ondblclick value
 */
public String getOndblclick()
{
 if (_ondblclick != null)
 {
  return _ondblclick;
 }
 ValueExpression expression = getValueExpression("ondblclick");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when the pointing device is pressed over this element.
 *
 * @return  the new onmousedown value
 */
public String getOnmousedown()
{
 if (_onmousedown != null)
 {
  return _onmousedown;
 }
 ValueExpression expression = getValueExpression("onmousedown");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets The base language of this document.
 *
 * @return  the new lang value
 */
public String getLang()
{
 if (_lang != null)
 {
  return _lang;
 }
 ValueExpression expression = getValueExpression("lang");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Sets the access key for this element.
 *
 * @return  the new accesskey value
 */
public String getAccesskey()
{
 if (_accesskey != null)
 {
  return _accesskey;
 }
 ValueExpression expression = getValueExpression("accesskey");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when a key is pressed over this element.
 *
 * @return  the new onkeypress value
 */
public String getOnkeypress()
{
 if (_onkeypress != null)
 {
  return _onkeypress;
 }
 ValueExpression expression = getValueExpression("onkeypress");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when the element is clicked.
 *
 * @return  the new onclick value
 */
public String getOnclick()
{
 if (_onclick != null)
 {
  return _onclick;
 }
 ValueExpression expression = getValueExpression("onclick");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when a key is released over this element.
 *
 * @return  the new onkeyup value
 */
public String getOnkeyup()
{
 if (_onkeyup != null)
 {
  return _onkeyup;
 }
 ValueExpression expression = getValueExpression("onkeyup");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Specifies a script to be invoked when the element loses focus.
 *
 * @return  the new onblur value
 */
public String getOnblur()
{
 if (_onblur != null)
 {
  return _onblur;
 }
 ValueExpression expression = getValueExpression("onblur");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets CSS styling instructions.
 *
 * @return  the new style value
 */
public String getStyle()
{
 if (_style != null)
 {
  return _style;
 }
 ValueExpression expression = getValueExpression("style");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Specifies the position of this element within the tab order of the document.
 *
 * @return  the new tabindex value
 */
public String getTabindex()
{
 if (_tabindex != null)
 {
  return _tabindex;
 }
 ValueExpression expression = getValueExpression("tabindex");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when the pointing device is moved while it is in this element.
 *
 * @return  the new onmousemove value
 */
public String getOnmousemove()
{
 if (_onmousemove != null)
 {
  return _onmousemove;
 }
 ValueExpression expression = getValueExpression("onmousemove");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets When true, this element cannot receive focus.
 *
 * @return  the new disabled value
 */
public boolean isDisabled()
{
 if (_disabledSet)
 {
  return _disabled;
 }
 ValueExpression expression = getValueExpression("disabled");
 if (expression != null)
 {
  return (Boolean)expression.getValue(getFacesContext().getELContext());
 }
 return false;
}

/**
 * Gets When true, indicates that this component cannot be modified by the user.
 *                 The element may receive focus unless it has also been disabled.
 *
 * @return  the new readonly value
 */
public boolean isReadonly()
{
 if (_readonlySet)
 {
  return _readonly;
 }
 ValueExpression expression = getValueExpression("readonly");
 if (expression != null)
 {
  return (Boolean)expression.getValue(getFacesContext().getELContext());
 }
 return false;
}

/**
 * Gets Script to be invoked when the pointing device is moves out of this element.
 *
 * @return  the new onmouseout value
 */
public String getOnmouseout()
{
 if (_onmouseout != null)
 {
  return _onmouseout;
 }
 ValueExpression expression = getValueExpression("onmouseout");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets Script to be invoked when the pointing device is moved into this element.
 *
 * @return  the new onmouseover value
 */
public String getOnmouseover()
{
 if (_onmouseover != null)
 {
  return _onmouseover;
 }
 ValueExpression expression = getValueExpression("onmouseover");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets A diplay name for this component.
 *
 * @return  the new label value
 */
public String getLabel()
{
 if (_label != null)
 {
  return _label;
 }
 ValueExpression expression = getValueExpression("label");
 if (expression != null)
 {
  return (String)expression.getValue(getFacesContext().getELContext());
 }
 return null;
}

/**
 * Gets The width of this element, in characters.
 *
 * @return  the new cols value
 */
public int getCols()
{
 if (_colsSet)
 {
  return _cols;
 }
 ValueExpression expression = getValueExpression("cols");
 if (expression != null)
 {
  return (Integer)expression.getValue(getFacesContext().getELContext());
 }
 return -2147483648;
}