Grails 字符串json到ElasticSearchResponse对象？

我有来自elasticsearch rest客户端的json响应。我想从该字符串（json）创建ElasticSearchResponse或GetResponse对象，这样我就可以重用grails-2.4.3 elasticsearch插件中的反封送部分。有人能帮我吗？

我不确定这个问题是否仍然相关，但这个问题对我有效：

String responseJson = "{\"took\":5,\"timed_out\":false,\"_shards\".....}";
try {
  JsonXContentParser xContentParser = new JsonXContentParser(NamedXContentRegistry.EMPTY,
  new JsonFactory().createParser(responseJson));      
  SearchResponse response = SearchResponse.fromXContent(xContentParser);
  ... 
  Do Whatever
  ...
} catch (IOException e) {
  handleException....
}

---

我不确定这个问题是否仍然相关，但这个问题对我很有用：

String responseJson = "{\"took\":5,\"timed_out\":false,\"_shards\".....}";
try {
  JsonXContentParser xContentParser = new JsonXContentParser(NamedXContentRegistry.EMPTY,
  new JsonFactory().createParser(responseJson));      
  SearchResponse response = SearchResponse.fromXContent(xContentParser);
  ... 
  Do Whatever
  ...
} catch (IOException e) {
  handleException....
}

---

我确实设法找到了对你有帮助的东西

我写了一个JSON，如下所示：

XContentBuilder builder = XContentFactory.jsonBuilder();
response.toXContent(builder, ToXContent.EMPTY_PARAMS);
String result = Strings.toString(builder);

 try {
     NamedXContentRegistry registry = new NamedXContentRegistry(getDefaultNamedXContents());
     XContentParser parser = JsonXContent.jsonXContent.createParser(registry, DeprecationHandler.THROW_UNSUPPORTED_OPERATION, result);
     SearchResponse searchResponse = SearchResponse.fromXContent(parser);
 } catch (IOException e) {
     System.out.println("exception " + e);
 } catch (Exception e) {
     System.out.println("exception " + e);
 }

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;
}

然后我设法这样读：

XContentBuilder builder = XContentFactory.jsonBuilder();
response.toXContent(builder, ToXContent.EMPTY_PARAMS);
String result = Strings.toString(builder);

 try {
     NamedXContentRegistry registry = new NamedXContentRegistry(getDefaultNamedXContents());
     XContentParser parser = JsonXContent.jsonXContent.createParser(registry, DeprecationHandler.THROW_UNSUPPORTED_OPERATION, result);
     SearchResponse searchResponse = SearchResponse.fromXContent(parser);
 } catch (IOException e) {
     System.out.println("exception " + e);
 } catch (Exception e) {
     System.out.println("exception " + e);
 }

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;
}

试试看{
NamedXContentRegistry=newNamedxContentRegistry（getDefaultNamedXContents（））；
XContentParser parser=JsonXContent.JsonXContent.createParser（注册表，DeprecationHandler.THROW\u不支持的\u操作，结果）；
SearchResponse SearchResponse=SearchResponse.fromXContent（解析器）；
}捕获（IOE异常）{
系统输出打印项次（“例外”+e）；
}捕获（例外e）{
系统输出打印项次（“例外”+e）；
}
公共静态列表getDefaultNamedXContents（）{
Map Map=newhashmap（）；
put（TopHitsAggregationBuilder.NAME，（p，c）->ParsedTopHits.fromXContent（p，（String）c））；
put（StringTerms.NAME，（p，c）->ParsedStringTerms.fromXContent（p，（String）c））；
列表条目=map.entrySet（）.stream（）
.map（entry->new NamedXContentRegistry.entry（Aggregation.class，new ParseField（entry.getKey（）），entry.getValue（））
.collect（Collectors.toList（））；
返回条目；
}

---

希望它能起作用：）

我确实找到了一些可能对你有帮助的东西

我写了一个JSON，如下所示：

XContentBuilder builder = XContentFactory.jsonBuilder();
response.toXContent(builder, ToXContent.EMPTY_PARAMS);
String result = Strings.toString(builder);

 try {
     NamedXContentRegistry registry = new NamedXContentRegistry(getDefaultNamedXContents());
     XContentParser parser = JsonXContent.jsonXContent.createParser(registry, DeprecationHandler.THROW_UNSUPPORTED_OPERATION, result);
     SearchResponse searchResponse = SearchResponse.fromXContent(parser);
 } catch (IOException e) {
     System.out.println("exception " + e);
 } catch (Exception e) {
     System.out.println("exception " + e);
 }

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;
}

然后我设法这样读：

XContentBuilder builder = XContentFactory.jsonBuilder();
response.toXContent(builder, ToXContent.EMPTY_PARAMS);
String result = Strings.toString(builder);

 try {
     NamedXContentRegistry registry = new NamedXContentRegistry(getDefaultNamedXContents());
     XContentParser parser = JsonXContent.jsonXContent.createParser(registry, DeprecationHandler.THROW_UNSUPPORTED_OPERATION, result);
     SearchResponse searchResponse = SearchResponse.fromXContent(parser);
 } catch (IOException e) {
     System.out.println("exception " + e);
 } catch (Exception e) {
     System.out.println("exception " + e);
 }

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;
}

试试看{
NamedXContentRegistry=newNamedxContentRegistry（getDefaultNamedXContents（））；
XContentParser parser=JsonXContent.JsonXContent.createParser（注册表，DeprecationHandler.THROW\u不支持的\u操作，结果）；
SearchResponse SearchResponse=SearchResponse.fromXContent（解析器）；
}捕获（IOE异常）{
系统输出打印项次（“例外”+e）；
}捕获（例外e）{
系统输出打印项次（“例外”+e）；
}
公共静态列表getDefaultNamedXContents（）{
Map Map=newhashmap（）；
put（TopHitsAggregationBuilder.NAME，（p，c）->ParsedTopHits.fromXContent（p，（String）c））；
put（StringTerms.NAME，（p，c）->ParsedStringTerms.fromXContent（p，（String）c））；
列表条目=map.entrySet（）.stream（）
.map（entry->new NamedXContentRegistry.entry（Aggregation.class，new ParseField（entry.getKey（）），entry.getValue（））
.collect（Collectors.toList（））；
返回条目；
}

希望它能起作用：）