com.leapfrog.inventorymanagementsystem.dao.impl.CategoryDAOImpl.java Source code

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Here is the source code for com.leapfrog.inventorymanagementsystem.dao.impl.CategoryDAOImpl.java

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package com.leapfrog.inventorymanagementsystem.dao.impl;

import com.leapfrog.inventorymanagementsystem.dao.CategoryDAO;
import com.leapfrog.inventorymanagementsystem.entity.Category;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.stereotype.Repository;

/**
 *
 * @author HYOJU
 */
@Repository(value = "categoryDAO")
public class CategoryDAOImpl implements CategoryDAO {

    @Autowired
    private JdbcTemplate jdbcTemplate;

    @Override
    public int insert(Category c) throws SQLException, ClassNotFoundException {
        String sql = "INSERT INTO tbl_category(category_name) VALUES(?) ";
        return jdbcTemplate.update(sql, new Object[] { c.getCategoryName()

        });

    }

    @Override
    public List<Category> getALL() throws SQLException, ClassNotFoundException {
        String sql = "SELECT * FROM tbl_category";

        return jdbcTemplate.query(sql, new RowMapper<Category>() {

            @Override
            public Category mapRow(ResultSet rs, int i) throws SQLException {
                Category c = new Category();
                c.setId(rs.getInt("category_id"));
                c.setCategoryName(rs.getString("category_name"));

                return c;
            }
        });
    }

    @Override
    public Category getById(int id) throws SQLException, ClassNotFoundException {
        String sql = "SELECT * FROM tbl_category WHERE category_id =?";
        return jdbcTemplate.queryForObject(sql, new Object[] { id }, new RowMapper<Category>() {

            @Override
            public Category mapRow(ResultSet rs, int i) throws SQLException {
                Category c = new Category();
                c.setId(rs.getInt("category_id"));
                c.setCategoryName(rs.getString("category_name"));

                return c;
            }
        });
    }

    @Override
    public int update(Category c) throws SQLException, ClassNotFoundException {
        String sql = "UPDATE tbl_category SET category_name=? WHERE category_id=?";
        return jdbcTemplate.update(sql, new Object[] { c.getCategoryName(), c.getId() });
    }

    @Override
    public int delete(int id) throws SQLException, ClassNotFoundException {
        String sql = "DELETE FROM tbl_category WHERE category_id=?";
        return jdbcTemplate.update(sql, new Object[] { id });
    }
}