// obj: "object with properties" to write
private void writeObject(Object obj)
throws NoSuchMethodException, InstantiationException, InvocationTargetException,
IllegalAccessException, SecurityException {
// begin bean encoding:
this.driver.startElement(DTD.ELEMENT_OBJECT);
Class cls = obj.getClass();
final String mappedName = this.context.aliasFor(cls);
this.driver.setAttribute(
DTD.ATTRIBUTE_CLASS, (mappedName != null ? mappedName : cls.getName()));
// encode properties:
while (cls != Object.class) { // process inheritance:
for (Field f : cls.getDeclaredFields()) { // process composition:
if (Modifier.isStatic(f.getModifiers())
|| !ReflectionUtil.hasClassFieldProperty(cls, f)
|| this.context.excluded(f)) {
continue; // skip static or non-property or excluded field.
}
// get property field:
if (!f.isAccessible()) {
f.setAccessible(true);
}
// write property value:
final String aliasedFieldName = this.context.aliasFor(f, f.getName());
this.driver.startElement(aliasedFieldName);
this.write0(f.get(obj));
this.driver.endElement();
}
cls = cls.getSuperclass();
}
// end bean encoding:
this.driver.endElement();
}
private void write0(Object data)
throws NoSuchMethodException, InvocationTargetException, InstantiationException,
IllegalAccessException, SecurityException {
// simple strategy:
// nil:
if (data == null) {
this.driver.startElement(DTD.ELEMENT_NIL);
this.driver.endElement();
return;
}
// non-nil:
final Class cls = data.getClass();
SimpleStrategy ss = this.simpleStrategies.lookup(cls);
if (ss != null) {
this.driver.startElement(ss.name());
this.driver.writeValue(ss.marshal(data, this.context));
this.driver.endElement();
return;
}
// composite strategy:
// check if data was already visited in the object graph:
final Integer idRef = this.encoded.get(data);
if (idRef != null) {
// write object idref for already-visited data:
this.driver.startElement(DTD.ELEMENT_OBJECT);
this.driver.setAttribute(DTD.ATTRIBUTE_IDREF, idRef.toString());
this.driver.endElement();
} else {
// mark data as visited:
final int nextUniqueId = this.encoded.size() + 1;
this.encoded.put(data, nextUniqueId);
this.driver.setOneTimeUniqueIdTo(String.valueOf(nextUniqueId));
// visit data:
final CompositeStrategy cs = this.compositeStrategies.lookup(cls);
if (cs != null) {
cs.marshal(data, this.driver, this.context);
} else if (cls.isArray()) {
this.writeArray(data);
} else {
this.writeObject(data);
}
}
}