本文整理了Java中play.libs.Json.mapper()方法的一些代码示例，展示了Json.mapper()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Json.mapper()方法的具体详情如下：
包路径：play.libs.Json
类名称：Json
方法名：mapper

Json.mapper介绍

[英]Gets the ObjectMapper used to serialize and deserialize objects to and from JSON values. This can be set to a custom implementation using Json.setObjectMapper.
[中]获取用于在JSON值之间序列化和反序列化对象的ObjectMapper。可以使用Json将其设置为自定义实现。setObjectMapper。

代码示例

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Creates a new empty ObjectNode.
 * @return new empty ObjectNode.
 */
public static ObjectNode newObject() {
 return mapper().createObjectNode();
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Creates a new empty ObjectNode.
 * @return new empty ObjectNode.
 */
public static ObjectNode newObject() {
 return mapper().createObjectNode();
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Creates a new empty ObjectNode.
 * @return new empty ObjectNode.
 */
public static ObjectNode newObject() {
 return mapper().createObjectNode();
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Parses a byte array representing a json, and return it as a JsonNode.
 * @param src    the JSON input bytes.
 * @return the JSON node.
 */
public static JsonNode parse(byte[] src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Parses a InputStream representing a json, and return it as a JsonNode.
 * @param src    the JSON input stream.
 * @return the JSON node.
 */
public static JsonNode parse(java.io.InputStream src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Converts an object to JsonNode.
 *
 * @param data Value to convert in Json.
 * @return the JSON node.
 */
public static JsonNode toJson(final Object data) {
 try {
  return mapper().valueToTree(data);
 } catch(Exception e) {
  throw new RuntimeException(e);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Parses a byte array representing a json, and return it as a JsonNode.
 * @param src    the JSON input bytes.
 * @return the JSON node.
 */
public static JsonNode parse(byte[] src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Parses a String representing a json, and return it as a JsonNode.
 * @param src    the JSON string.
 * @return the JSON node.
 */
public static JsonNode parse(String src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Parses a byte array representing a json, and return it as a JsonNode.
 * @param src    the JSON input bytes.
 * @return the JSON node.
 */
public static JsonNode parse(byte[] src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Parses a String representing a json, and return it as a JsonNode.
 * @param src    the JSON string.
 * @return the JSON node.
 */
public static JsonNode parse(String src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Converts an object to JsonNode.
 *
 * @param data Value to convert in Json.
 * @return the JSON node.
 */
public static JsonNode toJson(final Object data) {
 try {
  return mapper().valueToTree(data);
 } catch(Exception e) {
  throw new RuntimeException(e);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Parses a InputStream representing a json, and return it as a JsonNode.
 * @param src    the JSON input stream.
 * @return the JSON node.
 */
public static JsonNode parse(java.io.InputStream src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Parses a InputStream representing a json, and return it as a JsonNode.
 * @param src    the JSON input stream.
 * @return the JSON node.
 */
public static JsonNode parse(java.io.InputStream src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Parses a String representing a json, and return it as a JsonNode.
 * @param src    the JSON string.
 * @return the JSON node.
 */
public static JsonNode parse(String src) {
 try {
  return mapper().readTree(src);
 } catch(Throwable t) {
  throw new RuntimeException(t);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Converts an object to JsonNode.
 *
 * @param data Value to convert in Json.
 * @return the JSON node.
 */
public static JsonNode toJson(final Object data) {
 try {
  return mapper().valueToTree(data);
 } catch(Exception e) {
  throw new RuntimeException(e);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Converts a JsonNode to a Java value
 *
 * @param <A> the type of the return value.
 * @param json Json value to convert.
 * @param clazz Expected Java value type.
 * @return the return value.
 */
public static <A> A fromJson(JsonNode json, Class<A> clazz) {
 try {
  return mapper().treeToValue(json, clazz);
 } catch(Exception e) {
  throw new RuntimeException(e);
 }
}

代码示例来源：origin: com.typesafe.play/play_2.11

/**
 * Creates a new empty ArrayNode.
 * @return a new empty ArrayNode.
 */
public static ArrayNode newArray() {
 return mapper().createArrayNode();
}

代码示例来源：origin: com.typesafe.play/play_2.12

/**
 * Creates a new empty ArrayNode.
 * @return a new empty ArrayNode.
 */
public static ArrayNode newArray() {
 return mapper().createArrayNode();
}

代码示例来源：origin: com.typesafe.play/play

/**
 * Creates a new empty ArrayNode.
 * @return a new empty ArrayNode.
 */
public static ArrayNode newArray() {
 return mapper().createArrayNode();
}

代码示例来源：origin: com.typesafe.play/play_2.12

private static String generateJson(Object o, boolean prettyPrint, boolean escapeNonASCII) {
 try {
  ObjectWriter writer = mapper().writer();
  if (prettyPrint) {
   writer = writer.with(SerializationFeature.INDENT_OUTPUT);
  }
  if (escapeNonASCII) {
   writer = writer.with(Feature.ESCAPE_NON_ASCII);
  }
  return writer.writeValueAsString(o);
 } catch (IOException e) {
  throw new RuntimeException(e);
 }
}