/** Process the tag. */
public int doStartTag() throws JspException {
try {
_iterator = null;
_index = 0;
_count = 0;
PageContextImpl pageContext = (PageContextImpl) this.pageContext;
ELContext env = pageContext.getELContext();
if (_beginExpr != null) _begin = (int) _beginExpr.evalLong(env);
else _begin = -1;
if (_endExpr != null) _end = (int) _endExpr.evalLong(env);
else _end = Integer.MAX_VALUE;
if (_stepExpr != null) _step = (int) _stepExpr.evalLong(env);
else _step = 0;
Object items = null;
if (_itemsExpr != null) {
items = _itemsExpr.evalObject(env);
_iterator = getIterator(items);
while (_index < _begin && _iterator.hasNext()) {
_index++;
_iterator.next();
}
} else if (_beginExpr == null)
throw new JspException(L.l("c:forEach must specify `items' or `begin'"));
else if (_endExpr == null)
throw new JspException(L.l("c:forEach must specify `items' or `begin'"));
else {
_iterator = new RangeIterator(_begin, _end);
_end = -1;
}
if (_varStatus != null) pageContext.setAttribute(_varStatus, this);
if (_var != null) _initialVar = pageContext.getAttribute(_var);
return doAfterBody();
} catch (Exception e) {
throw new JspException(e);
}
}
/** Process the tag. */
public int doEndTag() throws JspException {
Object[] args = null;
if (_params != null) {
args = _params.toArray(new Object[_params.size()]);
_params = null;
}
try {
PageContextImpl pageContext = (PageContextImpl) this.pageContext;
ELContext env = pageContext.getELContext();
JspWriter out = pageContext.getOut();
String key;
if (_keyExpr != null) key = _keyExpr.evalString(env);
else key = getBodyContent().getString().trim();
String msg;
if (_bundleExpr != null) {
Object bundleObject = _bundleExpr.evalObject(env);
msg = pageContext.getLocalizedMessage(bundleObject, key, args, null);
} else {
LocalizationContext lc;
lc = (LocalizationContext) pageContext.getAttribute("caucho.bundle");
if (lc == null) msg = pageContext.getLocalizedMessage(key, args, null);
else msg = pageContext.getLocalizedMessage(lc, key, args, null);
}
if (_var != null) CoreSetTag.setValue(pageContext, _var, _scope, msg);
else out.print(msg);
} catch (Exception e) {
throw new JspException(e);
}
return EVAL_PAGE;
}
