/** Deserializes the object from XML */
public DataField parseField(XMLStreamReader in) throws IOException, XMLStreamException {
String label = in.getAttributeValue(null, "label");
String type = in.getAttributeValue(null, "type");
String var = in.getAttributeValue(null, "var");
DataField field = new DataField(type, var, label);
ArrayList<DataValue> valueList = new ArrayList<DataValue>();
ArrayList<DataOption> optionList = new ArrayList<DataOption>();
int tag = in.nextTag();
while (tag > 0) {
if (_isFinest) debug(in);
if (XMLStreamReader.END_ELEMENT == tag) {
field.setValueList(valueList);
field.setOptionList(optionList);
return field;
}
if (XMLStreamReader.START_ELEMENT == tag && "desc".equals(in.getLocalName())) {
String desc = in.getElementText();
field.setDesc(desc);
skipToEnd(in, "desc");
} else if (XMLStreamReader.START_ELEMENT == tag && "option".equals(in.getLocalName())) {
optionList.add(parseOption(in));
} else if (XMLStreamReader.START_ELEMENT == tag && "required".equals(in.getLocalName())) {
field.setRequired(true);
skipToEnd(in, "required");
} else if (XMLStreamReader.START_ELEMENT == tag && "value".equals(in.getLocalName())) {
String value = in.getElementText();
valueList.add(new DataValue(value));
skipToEnd(in, "value");
} else if (XMLStreamReader.START_ELEMENT == tag) {
log.finer(this + " <" + in.getLocalName() + "> is an unknown tag");
skipToEnd(in, in.getLocalName());
}
tag = in.nextTag();
}
skipToEnd(in, "field");
return field;
}
private void toXml(XmppStreamWriter out, DataField field) throws IOException, XMLStreamException {
out.writeStartElement("field");
if (field.getLabel() != null) out.writeAttribute("label", field.getLabel());
if (field.getType() != null) out.writeAttribute("type", field.getType());
if (field.getVar() != null) out.writeAttribute("var", field.getVar());
if (field.getDesc() != null) {
out.writeStartElement("desc");
out.writeCharacters(field.getDesc());
out.writeEndElement(); // </desc>
}
if (field.isRequired()) {
out.writeStartElement("required");
out.writeEndElement(); // </required>
}
DataValue[] values = field.getValue();
if (values != null) {
for (int i = 0; i < values.length; i++) {
DataValue value = values[i];
out.writeStartElement("value");
out.writeCharacters(value.getValue());
out.writeEndElement(); // </value>
}
}
DataOption[] options = field.getOption();
if (options != null) {
for (int i = 0; i < options.length; i++) {
toXml(out, options[i]);
}
}
out.writeEndElement(); // </field>
}