public class DefaultValueProcessor implements ElementProcessor, Initializer {
private Map<String, Map<String, String>> values =
new HashMap<String, Map<String, String>>();
public Object afterInitializeElement(Tag tag, Object element)
throws ElementException {
return element;
}
public Tag beforeCreateElement(Tag tag) throws ElementException {
Map<String, String> defaultAttrs = values.get(tag.getname());
if (defaultAttrs != null) {
Set set = defaultAttrs.keySet();
Iterator<String> iter = set.iterator();
while(iter.hasNext()) {
String attrName = iter.next();
if (tag.getAttributeValue(attrName) == null){
TagAttribute attr = new AttributeImp();
attr.setName(attrName);
attr.setValue(defaultAttrs.get(attrName));
tag.addAttribute(attr);
}
}
}
return tag;
}
public Object beforeInitializeElement(Tag tag, Object element)
throws ElementException {
return element;
}
public void cleanup(KeyedCollection config) throws BTTCleanUpException {
}
public void initialize(KeyedCollection config) throws BTTInitException {
try {
IndexedCollection icoll =
(IndexedCollection) config.getElementAt("defaultValues");
for (int i = 0; i < icoll.size(); i ++) {
KeyedCollection kc = (KeyedCollection) icoll.getElementAt(i);
String tagName = (String) kc.getValueAt("tagName");
String attributeName = (String) kc.getValueAt("attributeName");
String defaultValue = (String) kc.getValueAt("defaultValue");
if (values.get(tagName) == null) {
values.put(tagName, new HashMap<String, String>());
}
values.get(tagName).put(attributeName, defaultValue);
}
} catch (DSEObjectNotFoundException e) {
throw new BTTInitException(
"Configuration error to DefaultValueProcessor");
}
}
}