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package act.data;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import act.Act;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.osgl.$;
import org.osgl.util.ValueObject;
import java.util.Map;
public abstract class MapCodec<T extends Map<String, Object>> implements ValueObject.Codec<T> {
private Class<T> targetClass;
public MapCodec(Class<T> targetClass) {
this.targetClass = $.notNull(targetClass);
}
@Override
public Class<T> targetClass() {
return targetClass;
}
@Override
public T parse(String s) {
JSONObject json = JSON.parseObject(s);
T map = Act.app().getInstance(targetClass);
for (Map.Entry<String, Object> entry : json.entrySet()) {
map.put(entry.getKey(), ValueObject.of(entry.getValue()));
}
return map;
}
@Override
public String toString(T o) {
return JSON.toJSONString(o);
}
@Override
public String toJSONString(T o) {
return toString(o);
}
public static class JsonObjectCodec extends MapCodec<JSONObject> {
public JsonObjectCodec() {
super(JSONObject.class);
}
}
public static class GenericMapCodec extends MapCodec<Map<String, Object>> {
public GenericMapCodec() {
super(target());
}
private static Class<Map<String, Object>> target() {
return $.cast(Map.class);
}
}
}