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/*
 * Copyright 2018 Qunar, Inc.
 *
 * 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.
 */

package qunar.tc.qmq.meta.store.impl;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;

import java.io.IOException;

class Serializer {
    private static final ObjectMapper MAPPER = new ObjectMapper();

    static {
        MAPPER.disable(SerializationFeature.INDENT_OUTPUT);
        MAPPER.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
        MAPPER.configure(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER, true);
        MAPPER.configure(JsonParser.Feature.ALLOW_COMMENTS, true);
        MAPPER.configure(JsonParser.Feature.ALLOW_NON_NUMERIC_NUMBERS, true);
        MAPPER.configure(JsonParser.Feature.ALLOW_NUMERIC_LEADING_ZEROS, true);
        MAPPER.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);
        MAPPER.configure(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS, true);
        MAPPER.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true);
    }

    static String serialize(Object data) {
        try {
            return MAPPER.writeValueAsString(data);
        } catch (IOException e) {
            return null;
        }
    }

    static  T deSerialize(String content, TypeReference typeReference) {
        try {
            return MAPPER.readValue(content, typeReference);
        } catch (IOException e) {
            return null;
        }
    }
}