Genson ：一個快速、可擴展的JSON數據轉換Java類庫

Genson是一個開源的Java類庫，用于實現Java到Json和 Json到Java的轉換。Genson具備可擴展，并且還可配置，快速和易于使用。
示例代碼：

class Person {
 String fullName;
 // will be converted even if it is private
 @JsonProperty private Date birthDate;
 Adress adress;
 @JsonIgnore public int ignoredField;
 private int privateNotDetected;
 private Person() {}

@Creator public static Person create() {
   return new Person();
 }
public String getFullName(){
  // will be used instead of direct field access
 }
}
class Adress {
  final int building;
  final String street;
  // only a constructor with arguments genson will use it during deserialization
  public Adress(@JsonProperty("building") int building, @JsonProperty("street")  String street) {
  }
}
Person someone = new Person("eugen", new GregorianCalendar(1986, 1, 16).getTime(), new Adress(157, "paris"));
// we obtain the following json string
//{"adress":{"building":157,"street":"paris"},"birthDate":"16 févr. 1986","happy":true,"fullName":"eugen"}
String json = genson.serialize(someone);
// now we deserialize it back
someone = genson.deserialize(json, Person.class);</pre>

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