diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/config/Config.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/config/Config.java | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/config/Config.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/config/Config.java index 3757d327..5f2c9f3a 100644 --- a/framework/src/onos/core/api/src/main/java/org/onosproject/net/config/Config.java +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/config/Config.java @@ -333,6 +333,26 @@ public abstract class Config<S> { } /** + * Gets the specified array property as a list of items. + * + * @param name property name + * @param function mapper from string to item + * @param defaultValue default value if property not set + * @param <T> type of item + * @return list of items + */ + protected <T> List<T> getList(String name, Function<String, T> function, List<T> defaultValue) { + List<T> list = Lists.newArrayList(); + JsonNode jsonNode = object.path(name); + if (jsonNode.isMissingNode()) { + return defaultValue; + } + ArrayNode arrayNode = (ArrayNode) jsonNode; + arrayNode.forEach(i -> list.add(function.apply(i.asText()))); + return list; + } + + /** * Sets the specified property as an array of items in a given collection or * clears it if null is given. * |