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From aledsage <...@git.apache.org>
Subject [GitHub] incubator-brooklyn pull request: Adds EntityInitializers for http ...
Date Wed, 09 Jul 2014 11:06:22 GMT
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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