How to use

getCharacterAttribute

method

in

javax.swing.JLabel$AccessibleJLabel

/**
 * Changes the mouse cursor to a hand to indicate when the mouse moves over a clickable
 * HTML link.
 *
 * @param e event
 */
public void mouseMoved(MouseEvent e) {
  AccessibleJLabel acc = (AccessibleJLabel) getAccessibleContext();
  int stringIndexAtPoint = acc.getIndexAtPoint(e.getPoint());
  if (stringIndexAtPoint < 0) {
    return;
  }
  javax.swing.text.AttributeSet attr = acc.getCharacterAttribute(stringIndexAtPoint);
  if (attr.getAttribute(HTML.Tag.A) == null) {
    setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
  } else {
    setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
  }
}

/**
 * Changes the mouse cursor to a hand to indicate when the mouse moves over a clickable
 * HTML link.
 *
 * @param e event
 */
public void mouseMoved(MouseEvent e) {
  AccessibleJLabel acc = (AccessibleJLabel) getAccessibleContext();
  int stringIndexAtPoint = acc.getIndexAtPoint(e.getPoint());
  if (stringIndexAtPoint < 0) {
    return;
  }
  javax.swing.text.AttributeSet attr = acc.getCharacterAttribute(stringIndexAtPoint);
  if (attr.getAttribute(HTML.Tag.A) == null) {
    setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
  } else {
    setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
  }
}

/**
 * Triggers the listener to follow an HTML href link that has been clicked.
 *
 * @param e event
 */
public void mouseClicked(MouseEvent e) {
  AccessibleJLabel acc = (AccessibleJLabel) getAccessibleContext();
  int stringIndexAtPoint = acc.getIndexAtPoint(e.getPoint());
  if (stringIndexAtPoint < 0) {
    return;
  }
  AttributeSet attr = (AttributeSet) acc.getCharacterAttribute(
    acc.getIndexAtPoint(e.getPoint())).getAttribute(HTML.Tag.A);
  if (attr != null) {
    String href = (String) attr.getAttribute(HTML.Attribute.HREF);
    String target = (String) attr.getAttribute(HTML.Attribute.TARGET);
    try {
      if (listener == null) {
        log.warn("No HyperlinkActivatedListener available to follow HTML link for label: "
          + getText());
      } else {
        listener.followHyperlink(new URL(href), target);
      }
    } catch (Exception ex) {
      log.error("Unable to load URL: " + href, ex);
    }
  }
}

/**
 * Triggers the listener to follow an HTML href link that has been clicked.
 *
 * @param e event
 */
public void mouseClicked(MouseEvent e) {
  AccessibleJLabel acc = (AccessibleJLabel) getAccessibleContext();
  int stringIndexAtPoint = acc.getIndexAtPoint(e.getPoint());
  if (stringIndexAtPoint < 0) {
    return;
  }
  AttributeSet attr = (AttributeSet) acc.getCharacterAttribute(
    acc.getIndexAtPoint(e.getPoint())).getAttribute(HTML.Tag.A);
  if (attr != null) {
    String href = (String) attr.getAttribute(HTML.Attribute.HREF);
    String target = (String) attr.getAttribute(HTML.Attribute.TARGET);
    try {
      if (listener == null) {
        log.warn("No HyperlinkActivatedListener available to follow HTML link for label: "
          + getText());
      } else {
        listener.followHyperlink(new URL(href), target);
      }
    } catch (Exception ex) {
      log.error("Unable to load URL: " + href, ex);
    }
  }
}