/*package*/ void fillAttributes(XMLStreamReader in) {
for (int i = in.getAttributeCount() - 1; i >= 0; i--) {
String n = in.getAttributeLocalName(i);
if (model.attributes.containsKey(n)) {
if (attributes == null) attributes = new HashMap<String, String>();
attributes.put(n, in.getAttributeValue(i));
}
}
if (attributes == null) attributes = Collections.emptyMap();
}
/**
* Updates the attribute value.
*
* <p>This would trigger the re-injection of the value.
*/
public void attribute(String name, String value) {
if (value == null) {
attributes.remove(name);
} else {
attributes.put(name, value);
// TODO:
// this re-injection has two problems. First, it forces an instantiation
// even if that hasn't happened yet. Second, if the component is scoped,
// this won't work correctly (but then, there's no way to make that work,
// since we can't enumerate all scope instances.)
getInjector().injectAttribute(this, name, get());
}
}
/**
* Returns the map of attributes names and values for attributes which value is neither null or
* the default value. These attributes are considered having a non default value and must be
* written out.
*
* @return map of attributes indexed by name that must be persisted
*/
private Map<String, String> attributesToWrite() {
Map<String, String> attributesToWrite = new HashMap<String, String>();
Map<String, String> localAttr = new HashMap<String, String>(attributes);
for (Map.Entry<String, String> a : localAttr.entrySet()) {
ConfigModel.AttributeLeaf am = model.attributes.get(a.getKey());
String dv = am.getDefaultValue();
if (dv == null || !dv.equals(a.getValue())) {
attributesToWrite.put(a.getKey(), a.getValue());
}
}
return attributesToWrite;
}