com.taosdata.jdbc.utils

Class StringUtils

java.lang.Object

com.taosdata.jdbc.utils.StringUtils

public class StringUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
StringUtils()

Method Summary

Modifier and Type	Method and Description
static String	bytesToHex(byte[] bytes)
static String	getBasicUrl(String url)
static byte[]	hexToBytes(String hex)
static boolean	isEmpty(CharSequence cs)
static boolean	isNumeric(String str) check string every char is numeric or false so string is negative number or include decimal point，will return false
static Properties	parseHostPort(String hostPortDb, boolean isNative)
static Properties	parseUrl(String url, Properties defaults, boolean isNative)
static String	toHex(byte[] bytes) Converts a byte array to a hexadecimal string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringUtils

public StringUtils()

Method Detail

isEmpty

public static boolean isEmpty(CharSequence cs)

isNumeric

public static boolean isNumeric(String str)

check string every char is numeric or false so string is negative number or include decimal point，will return false

Parameters:

str -

Returns:

parseHostPort

public static Properties parseHostPort(String hostPortDb,
                                       boolean isNative)
                                throws SQLException

Throws:

SQLException

parseUrl

public static Properties parseUrl(String url,
                                  Properties defaults,
                                  boolean isNative)
                           throws SQLException

Throws:

SQLException

hexToBytes

public static byte[] hexToBytes(String hex)

bytesToHex

public static String bytesToHex(byte[] bytes)

toHex

public static String toHex(byte[] bytes)

Converts a byte array to a hexadecimal string.

Parameters:

bytes - a byte array

Returns:

a string of hexadecimal digits

getBasicUrl

public static String getBasicUrl(String url)