org.elasticsearch.common.xcontent deserialize json string example

gistfile1.txt

1.        SearchResponse ee = SearchResponse
                .fromXContent(
                        new JsonXContentParser(
                                NamedXContentRegistry.EMPTY,
                                new JsonFactory().createParser(content)));





2.
        NamedXContentRegistry registry = new NamedXContentRegistry(getDefaultNamedXContents());
        XContentParser parser = JsonXContent.jsonXContent.createParser(registry, content);
        SearchResponse qq = SearchResponse.fromXContent(parser);
        
        .......................
        
      public static List<NamedXContentRegistry.Entry> getDefaultNamedXContents() {
        Map<String, ContextParser<Object, ? extends Aggregation>> map = new HashMap<>();
        map.put(TopHitsAggregationBuilder.NAME, (p, c) -> ParsedTopHits.fromXContent(p, (String) c));
        map.put(StringTerms.NAME, (p, c) -> ParsedStringTerms.fromXContent(p, (String) c));
        List<NamedXContentRegistry.Entry> entries = map.entrySet().stream()
                .map(entry -> new NamedXContentRegistry.Entry(Aggregation.class, new ParseField(entry.getKey()), entry.getValue()))
                .collect(Collectors.toList());
        return entries;
    }