How to use

UIWebsocket$PropertyKeys

in

javax.faces.component

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

/**
 * <p>
 * Set the {@link ValueExpression} used to calculate the value for the specified attribute or property name, if any.
 * If a {@link ValueExpression} is set for the <code>channel</code> or <code>scope</code> property, regardless of
 * the value, throw an illegal argument exception. If a {@link ValueExpression} is set for the <code>user</code>
 * property, and the non-null value is not an instance of <code>Serializable</code>, throw an illegal argument
 * exception.
 * </p>
 *
 * @throws IllegalArgumentException If <code>name</code> is one of <code>id</code>, <code>parent</code>, 
 * <code>channel</code> or <code>scope</code>, or it <code>name</code> is <code>user</code> and the non-null value
 * is not an instance of <code>Serializable</code>.
 * @throws NullPointerException If <code>name</code> is <code>null</code>.
 */
@Override
public void setValueExpression(String name, ValueExpression binding) {
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) {
      throw new IllegalArgumentException(String.format(ERROR_INVALID_USER, user));
    }
  }
  super.setValueExpression(name, binding);
}

public void setValueExpression(java.lang.String name, javax.el.ValueExpression binding)
{
  if (PropertyKeys.channel.toString().equals(name) || PropertyKeys.scope.toString().equals(name)) 
  {
    throw new IllegalArgumentException(name);
  }
  if (PropertyKeys.user.toString().equals(name)) 
  {
    Object user = binding.getValue(getFacesContext().getELContext());
    if (user != null && !(user instanceof Serializable)) 
    {
      throw new IllegalArgumentException("f:websocket 'user' attribute does not represent a valid user identifier because it is not Serializable.");
    }
  }
  super.setValueExpression(name, binding);
}