/** * Process the start of this tag. * * @return * @exception JspException if a JSP exception has occurred * @see javax.servlet.jsp.tagext.Tag#doStartTag() */ public int doStartTag() throws JspException { ExpressionEvaluator eval = new ExpressionEvaluator(this, pageContext); if (selected != null) { selected = eval.evalString("default", selected); } Locale userLocale = pageContext.getRequest().getLocale(); List<LabelValue> countries = this.buildCountryList(userLocale); if (scope != null) { if (scope.equals("page")) { pageContext.setAttribute(name, countries); } else if (scope.equals("request")) { pageContext.getRequest().setAttribute(name, countries); } else if (scope.equals("session")) { pageContext.getSession().setAttribute(name, countries); } else if (scope.equals("application")) { pageContext.getServletContext().setAttribute(name, countries); } else { throw new JspException("Attribute 'scope' must be: page, request, session or application"); } } else { StringBuffer sb = new StringBuffer(); sb.append("<select name=\"" + name + "\" id=\"" + name + "\">\n"); if (prompt != null) { sb.append(" <option value=\"\" selected=\"selected\">"); sb.append(eval.evalString("prompt", prompt) + "</option>\n"); } for (LabelValue country : countries) { sb.append(" <option value=\"" + country.getValue() + "\""); if ((selected != null) && selected.equals(country.getValue())) { sb.append(" selected=\"selected\""); } sb.append(">" + country.getLabel() + "</option>\n"); } sb.append("</select>"); try { pageContext.getOut().write(sb.toString()); } catch (IOException io) { throw new JspException(io); } } return super.doStartTag(); }
/** * Compares the localized labels of two LabelValues. * * @param o1 The first LabelValue to compare. * @param o2 The second LabelValue to compare. * @return The value returned by comparing the localized labels. */ public int compare(LabelValue o1, LabelValue o2) { return c.compare(o1.getLabel(), o2.getLabel()); }