com.huaweicloud.dws.client.util.IdentifierUtil Maven / Gradle / Ivy

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package com.huaweicloud.dws.client.util;

import java.util.Locale;
import java.util.Objects;

/**
 * @ProjectName: dws-connector
 * @ClassName: IdentifierUtil
 * @Description:
 * @Date: 2023/1/16 18:53
 * @Version: 1.0
 */
public class IdentifierUtil {

    /**
     * 处理字段引号问题
     */
    public static String quoteIdentifier(String identifier) {
        return identifier.startsWith("\"") ? identifier : "\"" + identifier + "\"";
    }

    /**
     * 替换数据中特殊字符
     */
    public static String replaceValue(String value) {
        return value == null ? null : value.replace("\\", "\\\\")
                .replace("\u0000", "");

    }

    public static String replaceValueForCsv(String value) {
        return value == null ? null : value
                .replace("\"", "\"\"");

    }

    public static String toLowerIfNoSensitive(String src, boolean caseSensitive) {
        if (Objects.isNull(src)) {
            return null;
        }
        return caseSensitive ? src : src.toLowerCase(Locale.ROOT);
    }

}