* @return 変換された{@link Integer}
     */
    public static Integer toInteger(final Object o) {
        return toInteger(o, null);
    }

    /**
     * {@link Integer}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Integer}
     */
    public static Integer toInteger(final Object o, final String pattern) {
        if (o == null) {

        setupEpg(_epgMap, et -> ((FileConfig) et).getSortOrder(), (et, vl) -> ((FileConfig) et).setSortOrder(DfTypeUtil.toInteger(vl)),
                "sortOrder");
        setupEpg(_epgMap, et -> ((FileConfig) et).getTimeToLive(), (et, vl) -> ((FileConfig) et).setTimeToLive(DfTypeUtil.toInteger(vl)),
                "timeToLive");

                "numOfThread");
        setupEpg(_epgMap, et -> ((WebConfig) et).getPermissions(), (et, vl) -> ((WebConfig) et).setPermissions((String[]) vl),
                "permissions");
        setupEpg(_epgMap, et -> ((WebConfig) et).getSortOrder(), (et, vl) -> ((WebConfig) et).setSortOrder(DfTypeUtil.toInteger(vl)),
                "sortOrder");

            result.setIntervalTime(DfTypeUtil.toInteger(source.get("intervalTime")));
            result.setMaxAccessCount(DfTypeUtil.toLong(source.get("maxAccessCount")));
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setNumOfThread(DfTypeUtil.toInteger(source.get("numOfThread")));
            result.setPermissions(toStringArray(source.get("permissions")));

            result.setIntervalTime(DfTypeUtil.toInteger(source.get("intervalTime")));
            result.setMaxAccessCount(DfTypeUtil.toLong(source.get("maxAccessCount")));
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setNumOfThread(DfTypeUtil.toInteger(source.get("numOfThread")));
            result.setPaths(DfTypeUtil.toString(source.get("paths")));

public class IntegerConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToInteger() throws Exception {
        assertEquals(new Integer("1000"), IntegerConversionUtil.toInteger("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveInt() throws Exception {
        assertEquals(1000, IntegerConversionUtil.toPrimitiveInt("1,000"));
    }

    /**

     * @return {@literal type}に変換された{@link Number}
     */
    public static Object convertNumber(final Class<?> type, final Object o) {
        if (type == Integer.class) {
            return IntegerConversionUtil.toInteger(o);
        } else if (type == BigDecimal.class) {
            return BigDecimalConversionUtil.toBigDecimal(o);
        } else if (type == Double.class) {
            return DoubleConversionUtil.toDouble(o);

		return ""
	}
}

// toLowerString - safely convert interface to lower string
func toLowerString(val interface{}) string {
	return strings.ToLower(toString(val))
}

// toInteger _ Safely convert interface to integer without causing panic.
func toInteger(val interface{}) (int64, error) {
	switch v := val.(type) {
	case float64:
		return int64(v), nil
	case int64:
		return v, nil
	case int:
		return int64(v), nil

            result.setQueryId(DfTypeUtil.toString(source.get("queryId")));
            result.setQueryOffset(DfTypeUtil.toInteger(source.get("queryOffset")));
            result.setQueryPageSize(DfTypeUtil.toInteger(source.get("queryPageSize")));
            result.setQueryTime(DfTypeUtil.toLong(source.get("queryTime")));
            result.setReferer(DfTypeUtil.toString(source.get("referer")));

        try {
            final RESULT result = entityType.newInstance();
            result.setConfigId(DfTypeUtil.toString(source.get("configId")));
            result.setErrorCount(DfTypeUtil.toInteger(source.get("errorCount")));
            result.setErrorLog(DfTypeUtil.toString(source.get("errorLog")));
            result.setErrorName(DfTypeUtil.toString(source.get("errorName")));