com.sg.addressbookmvc.dao.AddressBookDaoDbImpl.java Source code

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Here is the source code for com.sg.addressbookmvc.dao.AddressBookDaoDbImpl.java

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package com.sg.addressbookmvc.dao;

import com.sg.addressbookmvc.model.Address;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author apprentice
 */
public class AddressBookDaoDbImpl implements AddressBookDAO {

    private static final String SQL_INSERT_ADDRESS = "INSERT INTO addresses(residentLastName, streetAddress, cityName, state, zipCode)"
            + "values(?, ?, ?, ?, ?)";

    private static final String SQL_DELETE_ADDRESS = "DELETE FROM addresses WHERE address_id=?";

    private static final String SQL_SELECT_ADDRESS = "SELECT * FROM addresses WHERE address_id=?";

    private static final String SQL_UPDATE_ADDRESS = "UPDATE addresses SET residentLastName=?, streetAddress=?, cityName=?, state=?, zipCode=?"
            + "WHERE address_id=?";

    private static final String SQL_SELECT_ALL_ADDRESSES = "SELECT * FROM addresses";

    private JdbcTemplate jdbcTemplate;

    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }

    @Override
    @Transactional(propagation = Propagation.REQUIRED, readOnly = false)
    public Address addAddress(Address address) {
        jdbcTemplate.update(SQL_INSERT_ADDRESS, address.getResidentLastName(), address.getStreetAddress(),
                address.getCityName(), address.getState(), address.getZipCode());
        address.setAddressId(jdbcTemplate.queryForObject("SELECT LAST_INSERT_ID()", Integer.class));
        return address;
    }

    @Override
    public void removeAddress(int addressId) {
        jdbcTemplate.update(SQL_DELETE_ADDRESS, addressId);
    }

    @Override
    public void updateAddress(Address address) {
        jdbcTemplate.update(SQL_UPDATE_ADDRESS, address.getResidentLastName(), address.getStreetAddress(),
                address.getCityName(), address.getState(), address.getZipCode(), address.getAddressId());
    }

    @Override
    public List<Address> getAllAddresses() {
        return jdbcTemplate.query(SQL_SELECT_ALL_ADDRESSES, new AddressMapper());
    }

    @Override
    public Address getAddressById(int addressId) {
        try {
            return jdbcTemplate.queryForObject(SQL_SELECT_ADDRESS, new AddressMapper(), addressId);
        } catch (EmptyResultDataAccessException ex) {
            return null;
        }
    }

    @Override
    public List<Address> searchAddresses(Map<SearchTerm, String> criteria) {

        if (criteria == null || criteria.size() == 0) {
            return getAllAddresses();
        }

        StringBuilder query = new StringBuilder("SELECT * FROM addresses WHERE ");

        int numParams = criteria.size();
        int paramPosition = 0;

        String[] paramVals = new String[numParams];

        Set<SearchTerm> keyset = criteria.keySet();
        Iterator<SearchTerm> iter = keyset.iterator();

        while (iter.hasNext()) {
            SearchTerm currentKey = iter.next();
            String currentValue = criteria.get(currentKey);

            if (paramPosition > 0) {
                query.append(" and ");
            }

            query.append(currentKey);
            query.append(" =? ");

            paramVals[paramPosition] = currentValue;
            paramPosition++;
        }

        return jdbcTemplate.query(query.toString(), new AddressMapper(), paramVals);
    }

    private static final class AddressMapper implements RowMapper<Address> {

        @Override
        public Address mapRow(ResultSet rs, int i) throws SQLException {
            Address address = new Address();
            address.setAddressId(rs.getInt("address_id"));
            address.setResidentLastName(rs.getString("residentLastName"));
            address.setStreetAddress(rs.getString("streetAddress"));
            address.setCityName(rs.getString("cityName"));
            address.setState(rs.getString("state"));
            address.setZipCode(rs.getString("zipCode"));
            return address;
        }

    }

}