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Adapter alibaba fastjson to other json libraries. the fastjson version: 1.2.58
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/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache, 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.gnu.org/licenses/lgpl-3.0.html
 *
 * 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 com.alibaba.fastjson.parser.deserializer;

import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.JSONScanner;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.util.TypeUtils;

import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;

public class SqlDateDeserializer extends AbstractDateDeserializer implements ObjectDeserializer {

    public final static SqlDateDeserializer instance = new SqlDateDeserializer();
    public final static SqlDateDeserializer instance_timestamp = new SqlDateDeserializer(true);

    private boolean timestamp = false;

    public SqlDateDeserializer() {

    }

    public SqlDateDeserializer(boolean timestmap) {
        this.timestamp = true;
    }

    @SuppressWarnings("unchecked")
    protected  T cast(DefaultJSONParser parser, Type clazz, Object fieldName, Object val) {
        if (timestamp) {
            return castTimestamp(parser, clazz, fieldName, val);
        }

        if (val == null) {
            return null;
        }

        if (val instanceof Date) {
            val = new java.sql.Date(((Date) val).getTime());
        } else if (val instanceof BigDecimal) {
            val = (T) new java.sql.Date(TypeUtils.longValue((BigDecimal) val));
        } else if (val instanceof Number) {
            val = (T) new java.sql.Date(((Number) val).longValue());
        } else if (val instanceof String) {
            String strVal = (String) val;
            if (strVal.length() == 0) {
                return null;
            }

            long longVal;

            JSONScanner dateLexer = new JSONScanner(strVal);
            try {
                if (dateLexer.scanISO8601DateIfMatch()) {
                    longVal = dateLexer.getCalendar().getTimeInMillis();
                } else {

                    DateFormat dateFormat = parser.getDateFormat();
                    try {
                        Date date = (Date) dateFormat.parse(strVal);
                        java.sql.Date sqlDate = new java.sql.Date(date.getTime());
                        return (T) sqlDate;
                    } catch (ParseException e) {
                        // skip
                    }

                    longVal = Long.parseLong(strVal);
                }
            } finally {
                dateLexer.close();
            }
            return (T) new java.sql.Date(longVal);
        } else {
            throw new JSONException("parse error : " + val);
        }

        return (T) val;
    }

    @SuppressWarnings("unchecked")
    protected  T castTimestamp(DefaultJSONParser parser, Type clazz, Object fieldName, Object val) {

        if (val == null) {
            return null;
        }

        if (val instanceof Date) {
            return (T) new java.sql.Timestamp(((Date) val).getTime());
        }

        if (val instanceof BigDecimal) {
            return (T) new java.sql.Timestamp(TypeUtils.longValue((BigDecimal) val));
        }

        if (val instanceof Number) {
            return (T) new java.sql.Timestamp(((Number) val).longValue());
        }

        if (val instanceof String) {
            String strVal = (String) val;
            if (strVal.length() == 0) {
                return null;
            }

            long longVal;
            JSONScanner dateLexer = new JSONScanner(strVal);
            try {
                if (dateLexer.scanISO8601DateIfMatch(false)) {
                    longVal = dateLexer.getCalendar().getTimeInMillis();
                } else {

                    DateFormat dateFormat = parser.getDateFormat();
                    try {
                        Date date = (Date) dateFormat.parse(strVal);
                        java.sql.Timestamp sqlDate = new java.sql.Timestamp(date.getTime());
                        return (T) sqlDate;
                    } catch (ParseException e) {
                        // skip
                    }

                    longVal = Long.parseLong(strVal);
                }
            } finally {
                dateLexer.close();
            }

            return (T) new java.sql.Timestamp(longVal);
        }

        throw new JSONException("parse error");
    }

    public int getFastMatchToken() {
        return JSONToken.LITERAL_INT;
    }
}