Realm和Gson的集成使用

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GSON

GSON is a library created by Google for deserializing and serializing JSON. When using Realm with GSON 2.3.1 (latest version), you have to specify an ExclusionStrategy.

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// Using the User class
public class User extends RealmObject {
    private String name;
    private String email;
    // getters and setters left out ...
}

Gson gson = new GsonBuilder()
        .setExclusionStrategies(new ExclusionStrategy() {
            @Override
            public boolean shouldSkipField(FieldAttributes f) {
                return f.getDeclaringClass().equals(RealmObject.class);
            }

            @Override
            public boolean shouldSkipClass(Class<?> clazz) {
                return false;
            }
        })
        .create();

String json = "{ name : 'John', email : 'john@corporation.com' }";
User user = gson.fromJson(json, User.class);