@Override
protected int writeTagContent(TagWriter tagWriter) throws JspException {
super.writeTagContent(tagWriter);
if (!isDisabled()) {
// Write out the 'field was present' marker.
tagWriter.startTag("input");
tagWriter.writeAttribute("type", "hidden");
String name = WebDataBinder.DEFAULT_FIELD_MARKER_PREFIX + getName();
tagWriter.writeAttribute("name", name);
tagWriter.writeAttribute("value", processFieldValue(name, "on", getInputType()));
tagWriter.endTag();
}
return SKIP_BODY;
}
/**
* Renders the '{@code input(radio)}' element with the configured {@link #setValue(Object) value}.
* Marks the element as checked if the value matches the {@link #getValue bound value}.
*/
@Override
protected int writeTagContent(TagWriter tagWriter) throws JspException {
tagWriter.startTag("input");
String id = resolveId();
writeOptionalAttribute(tagWriter, "id", id);
writeOptionalAttribute(tagWriter, "name", getName());
writeOptionalAttributes(tagWriter);
writeTagDetails(tagWriter);
tagWriter.endTag();
Object resolvedLabel = evaluate("label", getLabel());
if (resolvedLabel != null) {
tagWriter.startTag("label");
tagWriter.writeAttribute("for", id);
tagWriter.appendValue(convertToDisplayString(resolvedLabel));
tagWriter.endTag();
}
return SKIP_BODY;
}
@Override
protected void writeTagDetails(TagWriter tagWriter) throws JspException {
tagWriter.writeAttribute("type", getInputType());
Object boundValue = getBoundValue();
Class valueType = getBindStatus().getValueType();
if (Boolean.class.equals(valueType) || boolean.class.equals(valueType)) {
// the concrete type may not be a Boolean - can be String
if (boundValue instanceof String) {
boundValue = Boolean.valueOf((String) boundValue);
}
Boolean booleanValue = (boundValue != null ? (Boolean) boundValue : Boolean.FALSE);
renderFromBoolean(booleanValue, tagWriter);
} else {
Object value = getValue();
if (value == null) {
throw new IllegalArgumentException(
"Attribute 'value' is required when binding to non-boolean values");
}
Object resolvedValue = (value instanceof String ? evaluate("value", value) : value);
renderFromValue(resolvedValue, tagWriter);
}
}
