orz.neptune.prospring3.ch8.JdbcContactDao.java Source code

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Here is the source code for orz.neptune.prospring3.ch8.JdbcContactDao.java

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/*
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package orz.neptune.prospring3.ch8;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.sql.DataSource;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.jdbc.core.namedparam.SqlParameterSource;
import org.springframework.jdbc.support.GeneratedKeyHolder;
import org.springframework.jdbc.support.KeyHolder;

/**
 *
 * @author Administrator
 */
public class JdbcContactDao implements ContactDao, InitializingBean {

    private DataSource dataSource;

    private JdbcTemplate jdbcTemplate;

    private NamedParameterJdbcTemplate namedParameterJdbcTemplate;

    private UpdateContact updateContact;

    private InsertContact insertContact;

    private StoreFunctionQuery storeFunctionQuery;

    public void setDataSource(DataSource dataSource) {
        this.dataSource = dataSource;
        this.jdbcTemplate = new JdbcTemplate(dataSource);
        this.namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(dataSource);
        this.updateContact = new UpdateContact(dataSource);
        this.insertContact = new InsertContact(dataSource);
        this.storeFunctionQuery = new StoreFunctionQuery(dataSource);
    }

    public void afterPropertiesSet() throws Exception {
        if (dataSource == null) {
            throw new BeanCreationException("Must set dataSource on ContactDao");
        }
    }

    public List<Contact> findAll() {
        String sql = "select id, first_name, last_name, birth_date from contact";
        return jdbcTemplate.query(sql, new ContactMapper());
    }

    //RowMapper??
    private static final class ContactMapper implements RowMapper<Contact> {

        public Contact mapRow(ResultSet rs, int rowNum) throws SQLException {
            Contact contact = new Contact();
            contact.setId(rs.getLong("id"));
            contact.setFirstName(rs.getString("first_name"));
            contact.setLastName(rs.getString("last_name"));
            contact.setBirthDate(rs.getDate("birth_date"));
            return contact;
        }
    }

    public List<Contact> findByFirstName(String firstName) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    public void insert(Contact contact) {
        Map<String, Object> paramMap = new HashMap<String, Object>();
        paramMap.put("first_name", contact.getFirstName());
        paramMap.put("last_name", contact.getLastName());
        paramMap.put("birth_date", contact.getBirthDate());
        KeyHolder keyHolder = new GeneratedKeyHolder();
        insertContact.updateByNamedParam(paramMap, keyHolder);
        contact.setId(keyHolder.getKey().longValue());

        System.out.println("New contact inserted with id: " + contact.getId());
    }

    public void update(Contact contact) {
        Map<String, Object> paramMap = new HashMap<String, Object>();
        paramMap.put("first_name", contact.getFirstName());
        paramMap.put("last_name", contact.getLastName());
        paramMap.put("birth_date", contact.getBirthDate());
        paramMap.put("id", contact.getId());
        updateContact.updateByNamedParam(paramMap);
    }

    public void delete(Long contactId) {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    public String findFirstNameById(Long id) {
        String firstName = jdbcTemplate.queryForObject("select first_name from contact where id = ?",
                new Object[] { id }, String.class);
        return firstName;
    }

    public String findLastNameByIdUsingNamedParameter(Long id) {
        String sql = "select last_name from contact where id = :contactId";
        SqlParameterSource namedParameters = new MapSqlParameterSource("contactId", id);
        return namedParameterJdbcTemplate.queryForObject(sql, namedParameters, String.class);
    }

    public String getFirstNameById(Long id) {

        List<String> result = storeFunctionQuery.execute(id);

        return result.get(0);
    }
}