Github user aledsage commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/48#discussion_r14703979
--- Diff: core/src/main/java/brooklyn/event/feed/http/JsonFunctions.java ---
@@ -132,6 +133,22 @@ private JsonFunctions() {} // instead use static
utility methods
};
}
+ /**
+ * returns an element from a json object given a full path {@link
com.jayway.jsonpath.JsonPath}
+ */
+ public static Function<JsonElement,? extends JsonElement>
getPath(final String element) {
+ return new Function<JsonElement, JsonElement>() {
+ @Override public JsonElement apply(JsonElement input) {
+ String jsonString = input.toString();
+ JsonParser jsonParser = new JsonParser();
+ JsonElement curr =
jsonParser.parse(JsonPath.<String>read(jsonString, element));
--- End diff --
A shame we have to parse the json a second time (rather than being able to
use the JsonElement), but I don't see any obvious alternative.
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