@Override
public Metric deserialize(
JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext)
throws JsonParseException {
JsonObject jsonObject = jsonElement.getAsJsonObject();
String name = null;
if (jsonObject.get("name") != null) name = jsonObject.get("name").getAsString();
boolean exclude_tags = false;
if (jsonObject.get("exclude_tags") != null)
exclude_tags = jsonObject.get("exclude_tags").getAsBoolean();
TreeMultimap<String, String> tags = TreeMultimap.create();
JsonElement jeTags = jsonObject.get("tags");
if (jeTags != null) {
JsonObject joTags = jeTags.getAsJsonObject();
int count = 0;
for (Map.Entry<String, JsonElement> tagEntry : joTags.entrySet()) {
String context = "tags[" + count + "]";
if (tagEntry.getKey().isEmpty())
throw new ContextualJsonSyntaxException(context, "name must not be empty");
if (tagEntry.getValue().isJsonArray()) {
for (JsonElement element : tagEntry.getValue().getAsJsonArray()) {
if (element.isJsonNull() || element.getAsString().isEmpty())
throw new ContextualJsonSyntaxException(
context + "." + tagEntry.getKey(), "value must not be null or empty");
tags.put(tagEntry.getKey(), element.getAsString());
}
} else {
if (tagEntry.getValue().isJsonNull() || tagEntry.getValue().getAsString().isEmpty())
throw new ContextualJsonSyntaxException(
context + "." + tagEntry.getKey(), "value must not be null or empty");
tags.put(tagEntry.getKey(), tagEntry.getValue().getAsString());
}
count++;
}
}
Metric ret = new Metric(name, exclude_tags, tags);
JsonElement limit = jsonObject.get("limit");
if (limit != null) ret.setLimit(limit.getAsInt());
return (ret);
}
public DateTimeZone deserialize(
JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
if (json.isJsonNull()) return null;
String tz = json.getAsString();
if (tz.isEmpty()) // defaults to UTC
return DateTimeZone.UTC;
DateTimeZone timeZone;
try {
// check if time zone is valid
timeZone = DateTimeZone.forID(tz);
} catch (IllegalArgumentException e) {
throw new ContextualJsonSyntaxException(
tz, "is not a valid time zone, must be one of " + DateTimeZone.getAvailableIDs());
}
return timeZone;
}
