How to use

TagSupport

in

javax.servlet.jsp.tagext

/**
 * Release state.
 *
 * @see Tag#release
 */
public void release() {
bodyContent = null;
super.release();
}

/**
 * Default processing of the end tag returning EVAL_PAGE.
 *
 * @return EVAL_PAGE
 * @throws JspException if an error occurred while processing this tag
 * @see Tag#doEndTag
 */
public int doEndTag() throws JspException {
return super.doEndTag();
}

if (this.value != null) {
  EditorAwareTag tag = (EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
  if (tag == null) {
    throw new JspException("TransformTag can only be used within EditorAwareTag (e.g. BindTag)");

  @Override
  public int doStartTag() throws JspException {
    Invocation invocation = InvocationUtils.getCurrentThreadInvocation();
    if (invocation != null) {
      String msg = invocation.getFlash().get(key);
      if (logger.isDebugEnabled()) {
        logger.debug("getFlashMessage: " + key + "=" + msg);
      }
      if (msg != null) {
        try {
          if (StringUtils.isNotEmpty(prefix)) {
            pageContext.getOut().print(prefix);
          }
          pageContext.getOut().print(msg);
          if (StringUtils.isNotEmpty(suffix)) {
            pageContext.getOut().print(suffix);
          }
        } catch (IOException e) {
          throw new JspException("", e);
        }
      }
    }
    return super.doStartTag();
  }
}

/**
 * Process the start tag.
 *
 * @exception JspException if a JSP exception has occurred
 */
public int doStartTag() throws JspException {
  evaluateExpressions();
  return (super.doStartTag());
}
 

/**
 * Release state.
 *
 * @see Tag#release
 */
public void release() {
bodyContent = null;
super.release();
}

/**
 * Default processing of the end tag returning EVAL_PAGE.
 *
 * @return EVAL_PAGE
 * @throws JspException if an error occurred while processing this tag
 * @see Tag#doEndTag
 */
public int doEndTag() throws JspException {
return super.doEndTag();
}

if (this.value != null) {
  EditorAwareTag tag = (EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
  if (tag == null) {
    throw new JspException("TransformTag can only be used within EditorAwareTag (e.g. BindTag)");

@Override
public int doStartTag() throws JspException {
  try {
    String currentCounter = this.getCurrentIndex();
    this.pageContext.getOut().print(currentCounter);
  } catch (Throwable t) {
    _logger.error("error creating (or modifying) counter", t);
    //ApsSystemUtils.logThrowable(t, this, "doStartTag", "error creating (or modifying) counter");
    throw new JspException("error creating (or modifying) counter", t);
  }
  return super.doStartTag();
}
 

/**
 * <p>Release any resources allocated by this tag instance.
 */
public void release() {
  super.release();
  this.name = null;
}

/**
 * Default processing of the end tag returning EVAL_PAGE.
 *
 * @return EVAL_PAGE
 * @throws JspException if an error occurred while processing this tag
 * @see Tag#doEndTag
 */
public int doEndTag() throws JspException {
return super.doEndTag();
}

public static Node getContext(Tag t) throws JspTagException {
  ForEachTag xt =
  (ForEachTag) TagSupport.findAncestorWithClass(
  t, ForEachTag.class);
  if (xt == null)
    return null;
  else
    return (xt.getContext());
}

@Override
public int doStartTag() throws JspException {
  try {
    Set<String> groupCodes = this.getAllowedGroups();
    this.pageContext.setAttribute(this.getVar(), groupCodes);
    return super.doStartTag();
  } catch (Throwable t) {
    _logger.error("Error during tag initialization", t);
    throw new JspException("Error during tag initialization ", t);
  }
}

/**
 * @deprecated
 */
@Override
public void release()
{
  super.release();
  _name = null;
  _value = null;
}

/**
 * Default processing of the end tag returning EVAL_PAGE.
 *
 * @return EVAL_PAGE
 * @throws JspException
 *             if an error occurred while processing this tag
 * @see Tag#doEndTag
 */
@Override
public int doEndTag() throws JspException {
  return super.doEndTag();
}

public static Node getContext(Tag t) throws JspTagException {
  ForEachTag xt =
  (ForEachTag) TagSupport.findAncestorWithClass(
  t, ForEachTag.class);
  if (xt == null)
    return null;
  else
    return (xt.getContext());
}

@Override
public int doStartTag() throws JspException {
  try {
    String currentCounter = this.getCurrentIndex();
    this.pageContext.getOut().print(currentCounter);
  } catch (Throwable t) {
    ApsSystemUtils.logThrowable(t, this, "doStartTag", "error creating (or modifying) counter");
    throw new JspException("error creating (or modifying) counter", t);
  }
  return super.doStartTag();
}
 

/**
 * Release state.
 *
 * @see Tag#release
 */
public void release() {
bodyContent = null;
super.release();
}

@Override
public int doEndTag() throws JspException {
  associationId = -1;
  cssClass = defaultCssClass;
  separator = defaultSeparator;
  skipFirst = false;
  return super.doEndTag();
}

public static Node getContext(Tag t) throws JspTagException {
  ForEachTag xt =
  (ForEachTag) TagSupport.findAncestorWithClass(
  t, ForEachTag.class);
  if (xt == null)
    return null;
  else
    return (xt.getContext());
}