Java Code Examples for com.google.gson.JsonElement#isJsonPrimitive()

The following examples show how to use com.google.gson.JsonElement#isJsonPrimitive() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: JsonConverter.java    From external-resources with Apache License 2.0 6 votes vote down vote up
@Nullable private Resource get(JsonElement json, int depth) throws JsonParseException {
  if (json.isJsonPrimitive()) {
    return get(json.getAsJsonPrimitive());
  } else if (json.isJsonArray() && depth == 0) {
    ArrayList<Resource> resources = new ArrayList<>();

    for (JsonElement element : json.getAsJsonArray()) {
      resources.add(get(element, 1));
    }

    Resource[] resourcesArray = new Resource[resources.size()];
    resourcesArray = resources.toArray(resourcesArray);

    return new Resource(resources.toArray(resourcesArray));
  } else {
    return null;
  }
}
 
Example 2
Source File: EventTypeExtractorImpl.java    From java-slack-sdk with MIT License 6 votes vote down vote up
private static String extractFieldUnderEvent(String json, String fieldName) {
    try {
        JsonElement root = JsonParser.parseString(json);
        if (root != null && root.isJsonObject() && root.getAsJsonObject().has("event")) {
            JsonElement event = root.getAsJsonObject().get("event");
            if (event.isJsonObject() && event.getAsJsonObject().has(fieldName)) {
                JsonElement eventType = event.getAsJsonObject().get(fieldName);
                if (eventType.isJsonPrimitive()) {
                    return eventType.getAsString();
                }
            }
        }
    } catch (JsonSyntaxException e) {
        log.debug("Failed to parse {} as a JSON data", json, e);
    }
    return "";
}
 
Example 3
Source File: FlattenOperation.java    From bender with Apache License 2.0 6 votes vote down vote up
protected void perform(JsonObject obj) {

        Set<Entry<String, JsonElement>> entries = obj.entrySet();
        Set<Entry<String, JsonElement>> orgEntries = new HashSet<Entry<String, JsonElement>>(entries);

        for (Entry<String, JsonElement> entry : orgEntries) {
            JsonElement val = entry.getValue();

            if (val.isJsonPrimitive() || val.isJsonNull()) {
                continue;
            }

            obj.remove(entry.getKey());
            if (val.isJsonObject()) {
                perform(obj, val.getAsJsonObject(), entry.getKey());
            } else if (val.isJsonArray()) {
                perform(obj, val.getAsJsonArray(), entry.getKey());
            }
        }
    }
 
Example 4
Source File: JsonUtil.java    From p4ic4idea with Apache License 2.0 6 votes vote down vote up
public static String[] asNullableStringArray(String key, JsonElement el)
        throws ResponseFormatException {
    if (el == null || el.isJsonNull()) {
        return null;
    }
    if (! el.isJsonArray()) {
        throw new ResponseFormatException(key, el);
    }
    JsonArray vay = el.getAsJsonArray();
    List<String> ret = new ArrayList<>(vay.size());
    for (int i = 0; i < vay.size(); i++) {
        JsonElement vi = vay.get(i);
        if (vi.isJsonNull()) {
            ret.add(null);
        } else if (vi.isJsonPrimitive()) {
            ret.add(vi.getAsString());
        } else {
            throw new ResponseFormatException(key + '[' + i + ']', vi);
        }
    }
    return ret.toArray(new String[0]);
}
 
Example 5
Source File: JsonConverter.java    From iotplatform with Apache License 2.0 6 votes vote down vote up
public static List<KvEntry> parseValues(JsonObject valuesObject) {
  List<KvEntry> result = new ArrayList<>();
  for (Entry<String, JsonElement> valueEntry : valuesObject.entrySet()) {
    JsonElement element = valueEntry.getValue();
    if (element.isJsonPrimitive()) {
      JsonPrimitive value = element.getAsJsonPrimitive();
      if (value.isString()) {
        result.add(new StringDataEntry(valueEntry.getKey(), value.getAsString()));
      } else if (value.isBoolean()) {
        result.add(new BooleanDataEntry(valueEntry.getKey(), value.getAsBoolean()));
      } else if (value.isNumber()) {
        if (value.getAsString().contains(".")) {
          result.add(new DoubleDataEntry(valueEntry.getKey(), value.getAsDouble()));
        } else {
          result.add(new LongDataEntry(valueEntry.getKey(), value.getAsLong()));
        }
      } else {
        throw new JsonSyntaxException("Can't parse value: " + value);
      }
    } else {
      throw new JsonSyntaxException("Can't parse value: " + element);
    }
  }
  return result;
}
 
Example 6
Source File: QuerySerializer.java    From quaerite with Apache License 2.0 6 votes vote down vote up
private static ParameterizableString buildParameterizableString(int i, AtomicBoolean isMap,
                                                                String name, JsonElement element) {
    if (element.isJsonPrimitive()) {
        if (i > 0 && isMap.get()) {
            throw new IllegalArgumentException(
                    "Can't mix String with map in this array.  " +
                            "Must be all same type"
            );
        }
        isMap.set(false);
        return new ParameterizableString(name, Integer.toString(i), element.getAsString());
    } else if (element.isJsonObject()) {
        if (i > 0 && isMap.get() == false) {
            throw new IllegalArgumentException(
                    "Can't mix String with map in this array.  " +
                            "Must be all same type"
            );
        }
        String id = JsonUtil.getSingleChildName(element.getAsJsonObject());
        String val = element.getAsJsonObject().get(id).getAsString();
        isMap.set(true);
        return new ParameterizableString(name, id, val);
    } else {
        throw new IllegalArgumentException("I'm sorry, but this must be a String or an object");
    }
}
 
Example 7
Source File: ConvertJsonToXmlService.java    From cs-actions with Apache License 2.0 6 votes vote down vote up
private Element getXmlElementFromJsonElement(final JsonElement childJson, final String childTagName) {
    if (childJson.isJsonPrimitive()) {
        final String childValue = getJsonPrimitiveValue(childJson.getAsJsonPrimitive());
        return createElement(childTagName).setText(childValue);
    } else if (childJson.isJsonObject()) {
        return convertJsonObjectToXmlElement(childJson.getAsJsonObject(), childTagName);
    } else if (childJson.isJsonArray()) {
        final String itemName = jsonArrayItemNames.containsKey(childTagName) ?
                jsonArrayItemNames.get(childTagName) : jsonArrayItemName;
        final Element container = createElement(childTagName);
        final List<Element> elements = convertToXmlElementsJsonArray(childJson.getAsJsonArray(), itemName);
        for (final Element element : elements) {
            container.addContent(element);
        }
        return container;
    }
    return null;
}
 
Example 8
Source File: Indexes.java    From java-cloudant with Apache License 2.0 6 votes vote down vote up
/**
 * Utility to list indexes of a given type.
 *
 * @param type      the type of index to list, null means all types
 * @param modelType the class to deserialize the index into
 * @param <T>       the type of the index
 * @return the list of indexes of the specified type
 */
private <T extends Index> List<T> listIndexType(String type, Class<T> modelType) {
    List<T> indexesOfType = new ArrayList<T>();
    Gson g = new Gson();
    for (JsonElement index : indexes) {
        if (index.isJsonObject()) {
            JsonObject indexDefinition = index.getAsJsonObject();
            JsonElement indexType = indexDefinition.get("type");
            if (indexType != null && indexType.isJsonPrimitive()) {
                JsonPrimitive indexTypePrimitive = indexType.getAsJsonPrimitive();
                if (type == null || (indexTypePrimitive.isString() && indexTypePrimitive
                        .getAsString().equals(type))) {
                    indexesOfType.add(g.fromJson(indexDefinition, modelType));
                }
            }
        }
    }
    return indexesOfType;
}
 
Example 9
Source File: MapTypeAdapterFactory.java    From gson with Apache License 2.0 6 votes vote down vote up
private String keyToString(JsonElement keyElement) {
  if (keyElement.isJsonPrimitive()) {
    JsonPrimitive primitive = keyElement.getAsJsonPrimitive();
    if (primitive.isNumber()) {
      return String.valueOf(primitive.getAsNumber());
    } else if (primitive.isBoolean()) {
      return Boolean.toString(primitive.getAsBoolean());
    } else if (primitive.isString()) {
      return primitive.getAsString();
    } else {
      throw new AssertionError();
    }
  } else if (keyElement.isJsonNull()) {
    return "null";
  } else {
    throw new AssertionError();
  }
}
 
Example 10
Source File: ConfigurationDeserializer.java    From smarthome with Eclipse Public License 2.0 6 votes vote down vote up
private Configuration deserialize(JsonObject propertiesObject) {
    Configuration configuration = new Configuration();
    for (Entry<String, JsonElement> entry : propertiesObject.entrySet()) {
        JsonElement value = entry.getValue();
        String key = entry.getKey();
        if (value.isJsonPrimitive()) {
            JsonPrimitive primitive = value.getAsJsonPrimitive();
            configuration.put(key, deserialize(primitive));
        } else if (value.isJsonArray()) {
            JsonArray array = value.getAsJsonArray();
            configuration.put(key, deserialize(array));
        } else {
            throw new IllegalArgumentException(
                    "Configuration parameters must be primitives or arrays of primities only but was " + value);
        }
    }
    return configuration;
}
 
Example 11
Source File: CheckboxSetting.java    From ForgeWurst with GNU General Public License v3.0 5 votes vote down vote up
@Override
public void fromJson(JsonElement json)
{
	if(!json.isJsonPrimitive())
		return;
	
	JsonPrimitive primitive = json.getAsJsonPrimitive();
	if(!primitive.isBoolean())
		return;
	
	setChecked(primitive.getAsBoolean());
}
 
Example 12
Source File: AbstractGsonConverter.java    From helper with MIT License 5 votes vote down vote up
@Override
@Nullable
public Object unwrapElement(JsonElement element) {
    if (element.isJsonNull()) {
        return null;
    } else if (element.isJsonArray()) {
        return unwrapArray(element.getAsJsonArray());
    } else if (element.isJsonObject()) {
        return unwrapObject(element.getAsJsonObject());
    } else if (element.isJsonPrimitive()) {
        return unwarpPrimitive(element.getAsJsonPrimitive());
    } else {
        throw new IllegalArgumentException("Unknown element type: " + element);
    }
}
 
Example 13
Source File: JsonElementConstructor.java    From celos with Apache License 2.0 5 votes vote down vote up
private JsonElement deepCopy(String path, JsonElement el, Set<String> ignorePaths) {
    if (el.isJsonArray()) {
        return deepCopyJsonArray(path, el.getAsJsonArray(), ignorePaths);
    }
    if (el.isJsonObject()) {
        return deepCopyJsonObject(path, el.getAsJsonObject(), ignorePaths);
    }
    if (el.isJsonPrimitive() || el.isJsonNull()) {
        return el;
    }
    throw new IllegalStateException("JSONElement should be either Array, Object, Primitive or Null. So you cannot get here");
}
 
Example 14
Source File: JsonUtil.java    From quaerite with Apache License 2.0 5 votes vote down vote up
public static String getPrimitive(JsonElement root, String key, String dflt) {
    if (! root.isJsonObject()) {
        return dflt;
    }
    JsonElement el = ((JsonObject)root).get(key);
    if (! el.isJsonPrimitive()) {
        return dflt;
    }
    return ((JsonPrimitive)el).getAsString();
}
 
Example 15
Source File: NaturalLanguageValueAdapter.java    From activitystreams with Apache License 2.0 5 votes vote down vote up
/**
 * Method deserialize.
 * @param element JsonElement
 * @param type1 Type
 * @param context JsonDeserializationContext



 * @return NLV * @throws JsonParseException * @see com.google.gson.JsonDeserializer#deserialize(JsonElement, Type, JsonDeserializationContext) */
public NLV deserialize(
  JsonElement element, 
  Type type1,
  JsonDeserializationContext context)
    throws JsonParseException {
  checkArgument(
    element.isJsonPrimitive() || 
    element.isJsonObject());
  if (element.isJsonPrimitive()) {
    JsonPrimitive prim = 
      element.getAsJsonPrimitive();
    checkArgument(prim.isString());
    return NLV.SimpleNLV.make(
      prim.getAsString());
  } else {
    try {
      JsonObject obj = 
        element.getAsJsonObject();
      NLV.MapNLV.Builder builder = 
        NLV.MapNLV.make();
      for (Entry<String,JsonElement> entry : obj.entrySet())
        builder.set(
          entry.getKey(), 
          entry.getValue().getAsString());  
      return builder.get();
    } catch (Throwable t) {
      throw new IllegalArgumentException();
    }
  }
}
 
Example 16
Source File: JsonUtil.java    From p4ic4idea with Apache License 2.0 5 votes vote down vote up
public static String getNullableStringKey(JsonObject obj, String key)
        throws ResponseFormatException {
    JsonElement val = getNullableKey(obj, key);
    if (val == null) {
        return null;
    }
    if (val.isJsonPrimitive()) {
        return val.getAsString();
    }
    throw new ResponseFormatException(key, val);
}
 
Example 17
Source File: Config.java    From writelatex-git-bridge with MIT License 5 votes vote down vote up
private String getOptionalString(JsonObject configObject, String name) {
    JsonElement element = configObject.get(name);
    if (element == null || !element.isJsonPrimitive()) {
        return "";
    }
    return element.getAsString();
}
 
Example 18
Source File: Album.java    From last.fm-api with MIT License 5 votes vote down vote up
@Override
public Artist deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
    if(json.isJsonPrimitive()){
        Artist artist=new Artist();
        artist.name=json.getAsString();
        return artist;
    }
    return context.deserialize(json,typeOfT);
}
 
Example 19
Source File: GsonRuntime.java    From jmespath-java with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up
@Override
public Number toNumber(JsonElement value) {
  return (value.isJsonPrimitive() && value.getAsJsonPrimitive().isNumber()) ? value.getAsNumber() : null;
}
 
Example 20
Source File: JsonElementConversionWithAvroSchemaFactory.java    From incubator-gobblin with Apache License 2.0 4 votes vote down vote up
@Override
Object convertField(JsonElement value) {
   for(JsonElementConverter converter: converters)
   {
     try {
       switch (converter.getTargetType()) {
         case STRING: {
           if (value.isJsonPrimitive() && value.getAsJsonPrimitive().isString()) {
             return converter.convert(value);
           }
           break;
         }
         case FIXED:
         case BYTES:
         case INT:
         case LONG:
         case FLOAT:
         case DOUBLE: {
           if (value.isJsonPrimitive() && value.getAsJsonPrimitive().isNumber()) {
             return converter.convert(value);
           }
           break;
         }
         case BOOLEAN:{
           if (value.isJsonPrimitive() && value.getAsJsonPrimitive().isBoolean()) {
             return converter.convert(value);
           }
           break;
         }
         case ARRAY:{
           if (value.isJsonArray()) {
             return converter.convert(value);
           }
           break;
         }
         case MAP:
         case ENUM:
         case RECORD:{
           if (value.isJsonObject()) {
             return converter.convert(value);
           }
           break;
         }
         case NULL:{
           if(value.isJsonNull()) {
             return converter.convert(value);
           }
           break;
         }
         case UNION:
           return new UnsupportedDateTypeException("does not support union type in union");
         default:
           return converter.convert(value);
       }
     } catch (Exception e){}
   }
   throw new RuntimeException(String.format("Cannot convert %s to avro using schema %s", value.getAsString(), schemaNode.toString()));
}