Examples with JsonEntityField org.nutz.json.entity.JsonEntityField used on opensource projects

Example 1 with JsonEntityField

use of org.nutz.json.entity.JsonEntityField in project nutz by nutzam.

the class JsonEntityTest method test_entity_field_maker.

@Test
public void test_entity_field_maker() {
    Json.clearEntityCache();
    JENObj obj = new JENObj();
    obj.setAge(100);
    obj.setName("name");
    obj.setObjId(9l);
    Json.setDefaultFieldMaker(new AbstractJsonEntityFieldMaker() {

        @Override
        public JsonEntityField make(Mirror<?> mirror, Method method) {
            return null;
        }

        @Override
        public JsonEntityField make(Mirror<?> mirror, Field field) {
            return null;
        }
    });
    assertEquals("{}", Json.toJson(obj, JsonFormat.compact()));
    Json.clearEntityCache();
    Json.setDefaultFieldMaker(new AbstractJsonEntityFieldMaker() {

        @Override
        public JsonEntityField make(Mirror<?> mirror, Method method) {
            if (method.getName().equals("setName")) {
                String fn = Strings.lowerFirst(method.getName().substring(3));
                return JsonEntityField.eval("another_name", method.getParameterTypes()[0], mirror.getEjecting(fn), new InjectBySetter(method));
            }
            return null;
        }

        @Override
        public JsonEntityField make(Mirror<?> mirror, Field field) {
            return JsonEntityField.eval("test_" + field.getName(), field.getType(), mirror.getEjecting(field), mirror.getInjecting(field.getName()));
        }
    });
    String json = Json.toJson(obj, JsonFormat.compact());
    assertTrue(json.contains("\"test_objId\":9"));
    assertTrue(json.contains("\"test_name\":\"name\""));
    assertTrue(json.contains("\"test_age\":100"));
    assertTrue(json.contains("\"another_name\":\"name\""));
    Json.clearEntityCache();
    Json.setDefaultFieldMaker(new JsonEntityFieldMakerImpl());
}

Example 2 with JsonEntityField

use of org.nutz.json.entity.JsonEntityField in project nutz by nutzam.

the class ObjCompileImpl method pojo2Json.

private Map<String, Object> pojo2Json(Object obj, Map<String, Object> map) {
    if (null == obj)
        return null;
    Class<? extends Object> type = obj.getClass();
    JsonEntity jen = Json.getEntity(Mirror.me(type));
    List<JsonEntityField> fields = jen.getFields();
    ArrayList<Pair> list = new ArrayList<Pair>(fields.size());
    for (JsonEntityField jef : fields) {
        String name = jef.getName();
        try {
            Object value = jef.getValue(obj);
            if (null != value) {
                // 递归
                Mirror<?> mirror = Mirror.me(value);
                if (mirror.isPojo()) {
                    value = parse(value);
                }
            }
            // 加入输出列表 ...
            list.add(new Pair(name, value));
        } catch (FailToGetValueException e) {
        }
    }
    return writeItem(list, map);
}

Example 3 with JsonEntityField

use of org.nutz.json.entity.JsonEntityField in project nutz by nutzam.

the class ObjConvertImpl method injectObj.

@SuppressWarnings("unchecked")
private Object injectObj(Object model, Mirror<?> mirror) {
    // zzh: 如果是 Object，那么就不要转换了
    if (mirror.getType() == Object.class)
        return model;
    Object obj = mirror.born();
    context.set(fetchPath(), obj);
    Map<String, ?> map = (Map<String, ?>) model;
    JsonEntity jen = Json.getEntity(mirror);
    for (String key : map.keySet()) {
        JsonEntityField jef = jen.getField(key);
        if (jef == null) {
            continue;
        }
        Object val = map.get(jef.getName());
        if (val == null) {
            continue;
        }
        if (isLeaf(val)) {
            if (val instanceof El) {
                val = ((El) val).eval(context);
            }
            // zzh@2012-09-14: 暂时去掉 createBy 吧
            // jef.setValue(obj, Castors.me().castTo(jef.createValue(obj,
            // val, null), Lang.getTypeClass(jef.getGenericType())));
            // jef.setValue(obj, jef.createValue(obj, val, null));
            jef.setValue(obj, Mapl.maplistToObj(val, jef.getGenericType()));
            continue;
        } else {
            path.push(key);
            // jef.setValue(obj, Mapl.maplistToObj(val,
            // me.getGenericsType(0)));
            jef.setValue(obj, Mapl.maplistToObj(val, jef.getGenericType()));
        // zzh@2012-09-14: 暂时去掉 createBy 吧
        // jef.setValue(obj, jef.createValue(obj, val,
        // me.getGenericsType(0)));
        }
    }
    return obj;
}

Example 4 with JsonEntityField

use of org.nutz.json.entity.JsonEntityField in project nutz by nutzam.

the class JsonEntityFieldMakerImpl method make.

@Override
public JsonEntityField make(Mirror<?> mirror, final Method method) {
    final JsonField jf = method.getAnnotation(JsonField.class);
    // 忽略方法
    if (null == jf || jf.ignore())
        return null;
    final JsonEntityField[] result = new JsonEntityField[1];
    // 如果有，尝试作新的 Entity
    Callback<Method> whenError = new Callback<Method>() {

        // 给定方法即不是 getter 也不是 setter，靠！玩我!
        public void invoke(Method m) {
            throw Lang.makeThrow(JsonException.class, "JsonField '%s' should be getter/setter pair!", m);
        }
    };
    Callback3<String, Method, Method> whenOk = new Callback3<String, Method, Method>() {

        public void invoke(String name, Method getter, Method setter) {
            // 防止错误
            if (null == getter || null == setter || Strings.isBlank(name)) {
                throw Lang.makeThrow(JsonException.class, "JsonField '%s' should be getter/setter pair!", method);
            }
            // 加入字段表
            JsonEntityField ef = JsonEntityField.eval(Strings.sBlank(jf.value(), name), getter, setter);
            result[0] = ef;
        }
    };
    Mirror.evalGetterSetter(method, whenOk, whenError);
    return result[0];
}

Example 5 with JsonEntityField

use of org.nutz.json.entity.JsonEntityField in project nutz by nutzam.

the class AbstractJsonEntityFieldMaker method make.

@Override
public List<JsonEntityField> make(Mirror<?> mirror) {
    Field[] flds = mirror.getFields();
    List<JsonEntityField> fields = new ArrayList<JsonEntityField>(flds.length);
    for (Field fld : flds) {
        JsonEntityField ef = make(mirror, fld);
        if (null != ef)
            fields.add(ef);
    }
    for (Method m : mirror.getMethods()) {
        JsonEntityField ef = make(mirror, m);
        if (null != ef)
            fields.add(ef);
    }
    return fields;
}