Java JsonNode.isDouble方法代码示例

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
public static List<KvEntry> getKvEntries(JsonNode data) {
  List<KvEntry> attributes = new ArrayList<>();
  for (Iterator<Map.Entry<String, JsonNode>> it = data.fields(); it.hasNext();) {
    Map.Entry<String, JsonNode> field = it.next();
    String key = field.getKey();
    JsonNode value = field.getValue();
    if (value.isBoolean()) {
      attributes.add(new BooleanDataEntry(key, value.asBoolean()));
    } else if (value.isLong()) {
      attributes.add(new LongDataEntry(key, value.asLong()));
    } else if (value.isDouble()) {
      attributes.add(new DoubleDataEntry(key, value.asDouble()));
    } else {
      attributes.add(new StringDataEntry(key, value.asText()));
    }
  }
  return attributes;
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
public static List<KvEntry> getKvEntries(JsonNode data) {
    List<KvEntry> attributes = new ArrayList<>();
    for (Iterator<Map.Entry<String, JsonNode>> it = data.fields(); it.hasNext(); ) {
        Map.Entry<String, JsonNode> field = it.next();
        String key = field.getKey();
        JsonNode value = field.getValue();
        if (value.isBoolean()) {
            attributes.add(new BooleanDataEntry(key, value.asBoolean()));
        } else if (value.isLong()) {
            attributes.add(new LongDataEntry(key, value.asLong()));
        } else if (value.isDouble()) {
            attributes.add(new DoubleDataEntry(key, value.asDouble()));
        } else {
            attributes.add(new StringDataEntry(key, value.asText()));
        }
    }
    return attributes;
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
@Override
public Number fromJson(JsonNode json) {
	if (json.isBigDecimal()) {
		return json.decimalValue();
	} else if (json.isBigInteger()) {
		return json.bigIntegerValue();
	}
	// no methods for Byte, even though numberNode(Byte) is provided.
	// experimentations shows that bytes show up as ints. Oh well..
	else if (json.isDouble()) {
		return json.doubleValue();
	} else if (json.isFloat()) {
		return json.floatValue();
	} else if (json.isInt()) {
		return json.intValue();
	} else if (json.isLong()) {
		return json.longValue();
	} else if (json.isShort()) {
		return json.shortValue();
	} else {
		return null;
	}
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
public static <T> Optional<T> parse(String fieldName, JsonNode node, Class<T> type) {
    JsonNode field = node.get(fieldName);
    T value = null;
    if (field != null && !field.isNull()) {
        if (type.equals(Long.class) && field.canConvertToLong()) {
            value = type.cast(field.asLong());
        }
        if (type.equals(Integer.class) && field.canConvertToInt()) {
            value = type.cast(field.asInt());
        }
        if (field.isTextual()) {
            value = type.cast(field.asText());
        }
        if (field.isDouble() || type.equals(Double.class)) {
            value = type.cast(field.asDouble());
        }
        if (field.isBoolean()) {
            value = type.cast(field.asBoolean());
        }
    }
    return Optional.ofNullable(value);
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
private Property createSclarProperty(String arrayType, JsonNode node) {
	Property property = null;
	Iterator<JsonNode> nodes = node.elements();
	while (nodes.hasNext()) {
		JsonNode leafNode = nodes.next();
		JsonNodeType type = leafNode.getNodeType();
		switch (type) {
		case STRING:
			property = new StringPropertyBuilder().withExample(leafNode.asText()).build();
			break;
		case BOOLEAN:
			property = new BooleanPropertyBuilder().withExample(leafNode.asBoolean()).build();
			break;
		case NUMBER:
			if (leafNode.isInt() || leafNode.isLong()) {
				property = new IntegerPropertyBuilder().withExample(leafNode.asLong()).build();
			} else if (leafNode.isFloat() || leafNode.isDouble()) {
				property = new NumberPropertyBuilder().withExample(leafNode.asDouble()).build();
			}
			break;
		default:
			break;
		}
	}
	return property;
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
private static UnionResolution identifyPrimitiveMatch(JsonNode datum, Set<Schema.Type> primitives) {
  // Try to identify specific primitive types
  Schema primitiveSchema = null;
  if (datum == null || datum.isNull()) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.NULL);
  } else if (datum.isShort() || datum.isInt()) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.INT, Schema.Type.LONG, Schema.Type.FLOAT,
        Schema.Type.DOUBLE);
  } else if (datum.isLong()) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.LONG, Schema.Type.DOUBLE);
  } else if (datum.isFloat()) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.FLOAT, Schema.Type.DOUBLE);
  } else if (datum.isDouble()) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.DOUBLE);
  } else if (datum.isBoolean()) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.BOOLEAN);
  }
  if (primitiveSchema == null
      && ((datum.isDouble() && datum.doubleValue() >= -Float.MAX_VALUE && datum.doubleValue() <= Float.MAX_VALUE)
          || (datum.isLong()
              && datum.longValue() >= (long) -Float.MAX_VALUE
              && datum.longValue() <= (long) Float.MAX_VALUE))) {
    primitiveSchema = closestPrimitive(primitives, Schema.Type.FLOAT, Schema.Type.DOUBLE);
  }

  if (primitiveSchema != null) {
    return new UnionResolution(primitiveSchema, MatchType.FULL);
  }
  return null;
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
private MatchType matches(JsonNode datum, Schema schema) {
  switch (schema.getType()) {
  case RECORD:
    if (datum.isObject()) {
      return matchRecord(datum, schema);
    }
    break;
  case UNION:
    return resolveUnion(datum, schema.getTypes()).matchType;
  case MAP:
    if (datum.isObject()) {
      return matchMapValue(datum, schema);
    }
    break;
  case ARRAY:
    if (datum.isArray()) {
      return matchArrayElement(datum, schema);
    }
    break;
  case BOOLEAN:
    if (datum.isBoolean()) {
      return MatchType.FULL;
    }
    break;
  case FLOAT:
    if (datum.isDouble() && datum.doubleValue() >= -Float.MAX_VALUE && datum.doubleValue() <= Float.MAX_VALUE
        || datum.isLong()
            && datum.longValue() >= (long) -Float.MAX_VALUE
            && datum.longValue() <= (long) Float.MAX_VALUE
        || datum.isFloat()
        || datum.isInt()) {
      return MatchType.FULL;
    }
    break;
  case DOUBLE:
    if (datum.isDouble() || datum.isFloat() || datum.isLong() || datum.isInt()) {
      return MatchType.FULL;
    }
    break;
  case INT:
    if (datum.isInt()) {
      return MatchType.FULL;
    }
    break;
  case LONG:
    if (datum.isLong() || datum.isInt()) {
      return MatchType.FULL;
    }
    break;
  case STRING:
    if (datum.isTextual()) {
      return MatchType.FULL;
    }
    break;
  case ENUM:
    if (datum.isTextual() && schema.hasEnumSymbol(datum.textValue())) {
      return MatchType.FULL;
    }
    break;
  case BYTES:
  case FIXED:
    if (datum.isTextual()) {
      return MatchType.FULL;
    }
    break;
  case NULL:
    if (datum.isNull()) {
      return MatchType.FULL;
    }
    break;
  default: // unknown
    throw new IllegalArgumentException("Unsupported schema: " + schema);
  }
  return MatchType.NONE;
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
private void evalObject(ObjectNode source, ObjectNode target, RenderContext context,
	ScriptContext scriptContext)
{
	final Iterator<Entry<String, JsonNode>> it = source.fields();
	while( it.hasNext() )
	{
		final Entry<String, JsonNode> e = it.next();
		final String name = e.getKey();
		final JsonNode n = e.getValue();
		if( n.isObject() )
		{
			// recursively handle it
			final ObjectNode nt = jsonMapper.createObjectNode();
			target.put(name, nt);
			evalObject((ObjectNode) n, nt, context, scriptContext);
		}
		else if( n.isInt() || n.isLong() )
		{
			target.put(name, n.asInt());
		}
		else if( n.isFloatingPointNumber() || n.isDouble() )
		{
			target.put(name, n.asDouble());
		}
		else if( n.isBoolean() )
		{
			target.put(name, n.asBoolean());
		}
		else if( n.isArray() )
		{
			target.putArray(name).addAll((ArrayNode) n);
		}
		else
		{
			// freemarker eval
			target.put(name, evaluateMarkUp(context, n.asText(), scriptContext));
		}
	}
}
 

import com.fasterxml.jackson.databind.JsonNode; //导入方法依赖的package包/类
private void createObjectModel(JsonNode node, ModelBuilder modelBuilder, String apiName) {
	Iterator<String> fieldNames = node.fieldNames();

	while (fieldNames.hasNext()) {
		String field = fieldNames.next();
		JsonNode leafNode = node.get(field);

		if (leafNode.getNodeType() == JsonNodeType.NUMBER) {
			if (leafNode.isInt() || leafNode.isLong()) {
				modelBuilder.withIntegerPropertyNamed(field).withExample(leafNode.asLong());
			} else if (leafNode.isFloat() || leafNode.isDouble()) {
				modelBuilder.withNumberPropertyNamed(field).withExample(leafNode.asDouble());
			}
		} else if (leafNode.getNodeType() == JsonNodeType.BOOLEAN) {
			modelBuilder.withBooleanPropertyNamed(field).withExample(leafNode.asBoolean());
		} else if (leafNode.getNodeType() == JsonNodeType.STRING) {
			modelBuilder.withStringPropertyNamed(field).withExample(leafNode.asText());
		} else if (leafNode.getNodeType() == JsonNodeType.OBJECT) {
			String refName = apiName+"-"+field;
			modelBuilder.withReferencePropertyNamed(field).withReferenceTo(refName);
			ModelBuilder objModelBuilder = new ModelBuilder();
			createObjectModel(leafNode, objModelBuilder, refName);
			models.put(refName, objModelBuilder);
		}else if(leafNode.getNodeType() == JsonNodeType.ARRAY){
			createArrayModel(leafNode, modelBuilder.withArrayProperty(field), apiName+"-"+field);				
		}
	}		
}