ru.mystamps.web.dao.impl.JdbcStampsCatalogDao.java Source code

Java tutorial

Introduction

Here is the source code for ru.mystamps.web.dao.impl.JdbcStampsCatalogDao.java

Source

/*
 * Copyright (C) 2009-2017 Slava Semushin <slava.semushin@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package ru.mystamps.web.dao.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.commons.lang3.Validate;

import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;

import lombok.RequiredArgsConstructor;

import ru.mystamps.web.dao.StampsCatalogDao;

@RequiredArgsConstructor
public class JdbcStampsCatalogDao implements StampsCatalogDao {

    private final NamedParameterJdbcTemplate jdbcTemplate;
    private final String addCatalogNumberSql;
    private final String addCatalogNumbersToSeriesSql;
    private final String findBySeriesIdSql;

    public List<String> add(Set<String> catalogNumbers) {
        Validate.validState(!"".equals(addCatalogNumberSql), "Query must be non empty");

        List<String> inserted = new ArrayList<>();
        for (String number : catalogNumbers) {
            int affected = jdbcTemplate.update(addCatalogNumberSql, Collections.singletonMap("code", number));
            if (affected > 0) {
                inserted.add(number);
            }
        }

        return inserted;
    }

    public void addToSeries(Integer seriesId, Set<String> catalogNumbers) {
        Validate.validState(seriesId != null, "Series id must be non null");
        Validate.validState(!catalogNumbers.isEmpty(), "Catalog numbers must be non empty");
        Validate.validState(!"".equals(addCatalogNumbersToSeriesSql), "Query must be non empty");

        Map<String, Object> params = new HashMap<>();
        params.put("series_id", seriesId);
        params.put("numbers", catalogNumbers);

        jdbcTemplate.update(addCatalogNumbersToSeriesSql, params);
    }

    public List<String> findBySeriesId(Integer seriesId) {
        return jdbcTemplate.queryForList(findBySeriesIdSql, Collections.singletonMap("series_id", seriesId),
                String.class);
    }

}