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package org.onap.sdc.dcae.composition.restmodels.ruleeditor;
import com.google.gson.*;
import java.lang.reflect.Type;
public class ActionDeserializer implements JsonDeserializer<BaseAction> {
@Override
public BaseAction deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
String action;
try {
action = json.getAsJsonObject().get("actionType").getAsString();
} catch (RuntimeException e) {
throw new JsonParseException("Missing information : action type");
}
ActionTypeEnum actionTypeEnum = ActionTypeEnum.getTypeByName(action);
if (null == actionTypeEnum)
throw new JsonParseException("Undefined action type: " + action);
Type clazz = getActionClassByActionTypeEnum(actionTypeEnum);
return new Gson().fromJson(json, clazz);
}
private Type getActionClassByActionTypeEnum(ActionTypeEnum actionTypeEnum) {
switch (actionTypeEnum) {
case MAP:
return MapAction.class;
case DATE_FORMATTER:
return DateFormatterAction.class;
default:
return BaseAction.class;
}
}
}
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