在javax.JSON中使用两个对象呈现JSON
给定这两个带注释的类:在javax.JSON中使用两个对象呈现JSON,java,jakarta-ee,javax.json,Java,Jakarta Ee,Javax.json,给定这两个带注释的类: public class Clazz1 { @JsonbProperty("val11") String value11; @JsonbProperty("val12") String value12; ..... } public class Clazz2 { @JsonbProperty("val21") String value21; @JsonbProperty("val22") Stri
public class Clazz1 {
@JsonbProperty("val11")
String value11;
@JsonbProperty("val12")
String value12;
.....
}
public class Clazz2 {
@JsonbProperty("val21")
String value21;
@JsonbProperty("val22")
String value22;
.....
}
我需要的是生成包含两个对象的JSON,例如:
Clazz1 c1 = new Clazz1();
Clazz1 c2 = new Clazz2();
c1.setValue1("ABC");
... other settings
JsonObject json = Json.createObjectBuilder()
.add("c1", c1)
.add("c2", c2)
.build();
上面的
add
方法不接受对象,如何创建同时包含对象c1
和c2
的JSON 一种方法是使用JsonObjectBuilder
API手动构建对象:
JsonBuilderFactory factory = Json.createBuilderFactory();
JsonObject value = factory.createObjectBuilder()
.add("c1", factory.createObjectBuilder()
.add("value11", c1.getValue11()))
.add("c2", factory.createObjectBuilder()
.add("value21", c1.getValue21()))
参考:
另一个是使用JsonbBuilder
API:
JsonbConfig jsonbConfig = new JsonbConfig()
.withPropertyNamingStrategy(
PropertyNamingStrategy.LOWER_CASE_WITH_DASHES);
Map<String, Object> objectMap = new HashMap<>();
objectMap.put("c1", c1);
objectMap.put("c2", c2);
String json = JsonbBuilder.create(jsonbConfig).toJson(objectMap);
JsonbConfig JsonbConfig=new JsonbConfig()
.用物业管理策略(
属性命名策略。小写字母(带破折号);
Map objectMap=newhashmap();
objectMap.put(“c1”,c1);
objectMap.put(“c2”,c2);
字符串json=JsonbBuilder.create(jsonbConfig).toJson(objectMap);
参考: