怀疑论者的JSF: JSF组件开发 - 编程入门网
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-06-17
| .class.equals(valueType)) return submittedValue; Converter converter = ((UIInput) component).getConverter(); converter = facesContext.getApplication().createConverter(valueType); if (converter != null ) { return converter.getAsObject(facesContext, component, (String) submittedValue); }else { return submittedValue; } } @Override public void decode(FacesContext context, UIComponent component) { /* Grab the request map from the external context */ Map requestMap = context.getExternalContext().getRequestParameterMap (); /* Get client ID, use client ID to grab value from parameters */ String clientId = component.getClientId(context); String value = (String) requestMap.get(clientId); FieldComponent fieldComponent = (FieldComponent)component; /* Set the submitted value */ ((UIInput)component).setSubmittedValue(value); } @Override public void encodeBegin(FacesContext context, UIComponent component) throws IOException { FieldComponent fieldComponent = (FieldComponent) component; ResponseWriter writer = context.getResponseWriter(); encodeLabel(writer,fieldComponent); encodeInput(writer,fieldComponent); encodeMessage(context, writer, fieldComponent); writer.flush(); } private void encodeMessage(FacesContext context, ResponseWriter writer, FieldComponent fieldComponent) throws IOException { Iterator iter = context.getMessages(fieldComponent.getClientId (context)); while (iter.hasNext()){ FacesMessage message = (FacesMessage) iter.next(); writer.write(message.getDetail()); } } private void encodeLabel(ResponseWriter writer, FieldComponent fieldComponent) throws IOException{ writer.startElement("label", fieldComponent); if (fieldComponent.isError()) { String errorStyleClass = (String) fieldComponent.getAttributes ().get("errorStyleClass"); String errorStyle = (String) fieldComponent.getAttributes().get ("errorStyle"); writer.writeAttribute("style", errorStyle, "style"); writer.writeAttribute("class", errorStyleClass, "class"); } writer.write("" + fieldComponent.getLabel()); if (fieldComponent.isRequired()) { writer.write("*"); } writer.endElement("label"); } private void encodeInput(ResponseWriter writer, FieldComponent fieldComponent) throws IOException{ FacesContext currentInstance = FacesContext.getCurrentInstance(); writer.startElement("input", fieldComponent); writer.writeAttribute("type", "text", "type"); writer.writeAttribute("id", fieldComponent. |
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