Examples of org.apache.wicket.feedback.FeedbackMessages

org.apache.wicket.feedback.FeedbackMessages
Holds list of feedback messages. The list can be added to, cleared, queried and filtered.
WARNING: This class should typically NOT be used directly.
@author Eelco Hillenius @author Jonathan Locke

  /**
   * @return True if this component has an error message
   */
  public final boolean hasErrorMessage()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      return false;
    }
    return messages.hasMessage(FeedbackMessage.ERROR);
  }

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   * @return True if this component has some kind of feedback message
   * 
   */
  public final boolean hasFeedbackMessage()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      return false;
    }
    return messages.size() > 0;
  }

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    }
  }


  private void detachFeedback()
  {
    FeedbackMessages feedback = getMetaData(FEEDBACK_KEY);
    if (feedback != null)
    {
      feedback.clear(getApplication().getApplicationSettings()
        .getFeedbackMessageCleanupFilter());


      if (feedback.isEmpty())
      {
        setMetaData(FEEDBACK_KEY, null);
      }
      else
      {
        feedback.detach();
      }
    }
  }

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   * 
   * @return feedback messages instance
   */
  public FeedbackMessages getFeedbackMessages()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      messages = new FeedbackMessages();
      setMetaData(FEEDBACK_KEY, messages);
    }
    return messages;
  }

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  /**
   * @return True if this component has an error message
   */
  public final boolean hasErrorMessage()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      return false;
    }
    return messages.hasMessage(FeedbackMessage.ERROR);
  }

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   * @return True if this component has some kind of feedback message
   * 
   */
  public final boolean hasFeedbackMessage()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      return false;
    }
    return messages.size() > 0;
  }

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    }
  }


  private void detachFeedback()
  {
    FeedbackMessages feedback = getMetaData(FEEDBACK_KEY);
    if (feedback != null)
    {
      final int removed = feedback.clear(getApplication().getApplicationSettings()
        .getFeedbackMessageCleanupFilter());


      if (feedback.isEmpty())
      {
        setMetaData(FEEDBACK_KEY, null);
      }
      else
      {
        feedback.detach();
      }
    }
  }

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   * 
   * @return feedback messages instance
   */
  public FeedbackMessages getFeedbackMessages()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      messages = new FeedbackMessages();
      setMetaData(FEEDBACK_KEY, messages);
    }
    return messages;
  }

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  /**
   * @return True if this component has an error message
   */
  public final boolean hasErrorMessage()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      return false;
    }
    return messages.hasMessage(FeedbackMessage.ERROR);
  }

View Full Code Here

   * @return True if this component has some kind of feedback message
   * 
   */
  public final boolean hasFeedbackMessage()
  {
    FeedbackMessages messages = getMetaData(FEEDBACK_KEY);
    if (messages == null)
    {
      return false;
    }
    return messages.size() > 0;
  }

View Full Code Here

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