/**
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.mifosplatform.infrastructure.core.domain;
import java.math.BigDecimal;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.Date;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.springframework.jdbc.support.JdbcUtils;
/**
* Support for retrieving possibly null values from jdbc recordset delegating to
* springs {@link JdbcUtils} where possible.
*/
public class JdbcSupport {
public static DateTime getDateTime(final ResultSet rs, final String columnName) throws SQLException {
DateTime dateTime = null;
final Timestamp dateValue = rs.getTimestamp(columnName);
if (dateValue != null) {
dateTime = new DateTime(dateValue.getTime());
}
return dateTime;
}
public static LocalDate getLocalDate(final ResultSet rs, final String columnName) throws SQLException {
LocalDate localDate = null;
final Date dateValue = rs.getDate(columnName);
if (dateValue != null) {
localDate = new LocalDate(dateValue);
}
return localDate;
}
public static Long getLong(final ResultSet rs, final String columnName) throws SQLException {
return (Long) JdbcUtils.getResultSetValue(rs, rs.findColumn(columnName), Long.class);
}
public static Integer getInteger(final ResultSet rs, final String columnName) throws SQLException {
return (Integer) JdbcUtils.getResultSetValue(rs, rs.findColumn(columnName), Integer.class);
}
public static Integer getIntegerDefaultToNullIfZero(final ResultSet rs, final String columnName) throws SQLException {
final Integer value = (Integer) JdbcUtils.getResultSetValue(rs, rs.findColumn(columnName), Integer.class);
return defaultToNullIfZero(value);
}
public static Long getLongDefaultToNullIfZero(final ResultSet rs, final String columnName) throws SQLException {
final Long value = (Long) JdbcUtils.getResultSetValue(rs, rs.findColumn(columnName), Long.class);
return defaultToNullIfZero(value);
}
private static Integer defaultToNullIfZero(final Integer value) {
Integer result = value;
if (result != null && Integer.valueOf(0).equals(value)) {
result = null;
}
return result;
}
private static Long defaultToNullIfZero(final Long value) {
Long result = value;
if (result != null && Long.valueOf(0).equals(value)) {
result = null;
}
return result;
}
public static BigDecimal getBigDecimalDefaultToZeroIfNull(final ResultSet rs, final String columnName) throws SQLException {
final BigDecimal value = rs.getBigDecimal(columnName);
return defaultToZeroIfNull(value);
}
private static BigDecimal defaultToZeroIfNull(final BigDecimal value) {
BigDecimal result = BigDecimal.ZERO;
if (value != null) {
result = value;
}
return result;
}
public static BigDecimal getBigDecimalDefaultToNullIfZero(final ResultSet rs, final String columnName) throws SQLException {
final BigDecimal value = rs.getBigDecimal(columnName);
return defaultToNullIfZero(value);
}
private static BigDecimal defaultToNullIfZero(final BigDecimal value) {
BigDecimal result = value;
if (value != null && BigDecimal.ZERO.compareTo(value) == 0) {
result = null;
}
return result;
}
}