private static ObjectDefinition getExtensionObjectDefinition(
ExtensionDefinitionContract extensionDefinition, String defaultApplicationId) {
if (StringUtils.isBlank(extensionDefinition.getApplicationId())
&& StringUtils.isNotBlank(defaultApplicationId)) {
return new ObjectDefinition(
extensionDefinition.getResourceDescriptor(), defaultApplicationId);
} else {
return new ObjectDefinition(
extensionDefinition.getResourceDescriptor(), extensionDefinition.getApplicationId());
}
}
public static Builder create(ExtensionDefinitionContract contract) {
if (contract == null) {
throw new IllegalArgumentException("contract was null");
}
Builder builder =
create(contract.getName(), contract.getType(), contract.getResourceDescriptor());
builder.setId(contract.getId());
builder.setApplicationId(contract.getApplicationId());
builder.setLabel(contract.getLabel());
builder.setDescription(contract.getDescription());
builder.setConfiguration(contract.getConfiguration());
builder.setVersionNumber(contract.getVersionNumber());
return builder;
}
public static <T> T loadExtension(
ExtensionDefinitionContract extensionDefinition, String defaultApplicationId) {
T extensionService = null;
// first check if the class name is a valid and available java class
String resourceDescriptor = extensionDefinition.getResourceDescriptor();
ObjectDefinition extensionObjectDefinition =
getExtensionObjectDefinition(extensionDefinition, defaultApplicationId);
extensionService = GlobalResourceLoader.<T>getObject(extensionObjectDefinition);
if (extensionService == null) {
// if we can't find a class, try a service
extensionService = GlobalResourceLoader.<T>getService(QName.valueOf(resourceDescriptor));
}
return extensionService;
}