/** Creates a new instance that has a property for each available property type. */
public MetaClass() {
try {
List<PropertyClassProvider> providers =
Utils.getContextComponentManager().getInstanceList(PropertyClassProvider.class);
for (PropertyClassProvider provider : providers) {
PropertyInterface property = provider.getDefinition();
safeput(property.getName(), property);
}
} catch (ComponentLookupException e) {
LOGGER.error("Failed to initialize the meta class.", e);
}
}
public void fromXML(Element cel) throws XWikiException {
try {
int j = 1;
setName(cel.element("name").getText());
Element cclel = cel.element("customClass");
if (cclel != null) {
setCustomClass(cclel.getText());
j++;
}
Element cmapel = cel.element("customMapping");
if (cmapel != null) {
setCustomMapping(cmapel.getText());
j++;
}
Element cdvsel = cel.element("defaultViewSheet");
if (cdvsel != null) {
setDefaultViewSheet(cdvsel.getText());
j++;
}
Element cdesel = cel.element("defaultEditSheet");
if (cdesel != null) {
setDefaultViewSheet(cdesel.getText());
j++;
}
Element cdwel = cel.element("defaultWeb");
if (cdwel != null) {
setDefaultWeb(cdwel.getText());
j++;
}
Element cnfel = cel.element("nameField");
if (cnfel != null) {
setNameField(cnfel.getText());
j++;
}
Element valel = cel.element("validationScript");
if (valel != null) {
setValidationScript(valel.getText());
j++;
}
@SuppressWarnings("unchecked")
List<Element> list = cel.elements();
for (int i = j; i < list.size(); i++) {
Element pcel = list.get(i);
String name = pcel.getName();
String classType = pcel.element("classType").getText();
PropertyClassProvider provider = null;
try {
// First try to use the specified class type as hint.
provider = Utils.getComponent(PropertyClassProvider.class, classType);
} catch (Exception e) {
// In previous versions the class type was the full Java class name of the property class
// implementation. Extract the hint by removing the Java package prefix and the Class
// suffix.
classType =
StringUtils.removeEnd(StringUtils.substringAfterLast(classType, "."), "Class");
provider = Utils.getComponent(PropertyClassProvider.class, classType);
}
// We should use PropertyClassInterface (instead of PropertyClass, its default
// implementation) but it
// doesn't have the fromXML method and adding it breaks the backwards compatibility. We make
// the
// assumption that all property classes extend PropertyClass.
PropertyClass property = (PropertyClass) provider.getInstance();
property.setName(name);
property.setObject(this);
property.fromXML(pcel);
safeput(name, property);
}
} catch (Exception e) {
throw new XWikiException(
XWikiException.MODULE_XWIKI_CLASSES,
XWikiException.ERROR_XWIKI_CLASSES_PROPERTY_CLASS_INSTANCIATION,
"Error instanciating property class",
e,
null);
}
}
