Package net.snowflake.ingest.utils

Class Utils

java.lang.Object

net.snowflake.ingest.utils.Utils

public class Utils
extends Object

Contains Ingest related utility functions

Constructor Summary

Constructors

Constructor	Description
Utils()

Method Summary

Modifier and Type	Method	Description
static void	assertNotNull(String name, Object value)	Assert when the value is null
static void	assertStringNotNullOrEmpty(String name, String value)	Assert when the String is null or Empty
static String	constructAccountUrl(String scheme, String host, int port)	Construct account url from input schema, host and port
static KeyPair	createKeyPairFromPrivateKey(PrivateKey privateKey)	Generate key pair object from private key
static Properties	createProperties(Properties inputProp)	Create a Properties for snowflake connection
static com.codahale.metrics.Timer.Context	createTimerContext(com.codahale.metrics.Timer timer)	Create a new timer context if input is not null
static String	getStackTrace(Throwable e)	Return the stack trace for a given exception
static boolean	isNullOrEmpty(String string)	Utility function to check whether a string is null or empty
static PrivateKey	parseEncryptedPrivateKey(String key, String passphrase)	Parse an encrypted private key
static PrivateKey	parsePrivateKey(String key)	Parse an unencrypted private key
static void	showMemory()	Util function to show memory usage info and debug memory issue in the SDK
static byte[]	toByteArray(int value)	Convert int value to a byte array
static byte[]	toByteArray(long value)	Convert long value to a byte array

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

assertStringNotNullOrEmpty

public static void assertStringNotNullOrEmpty(String name,
                                              String value)
                                       throws SFException

Assert when the String is null or Empty

Parameters:

name -

value -

Throws:

SFException

assertNotNull

public static void assertNotNull(String name,
                                 Object value)
                          throws SFException

Assert when the value is null

Parameters:

name -

value -

Throws:

SFException

createProperties

public static Properties createProperties(Properties inputProp)

Create a Properties for snowflake connection

Parameters:

inputProp - input property map

Returns:

a Properties instance

constructAccountUrl

public static String constructAccountUrl(String scheme,
                                         String host,
                                         int port)

Construct account url from input schema, host and port

parsePrivateKey

public static PrivateKey parsePrivateKey(String key)

Parse an unencrypted private key

Parameters:

key - unencrypted private key

Returns:

the unencrypted private key

parseEncryptedPrivateKey

public static PrivateKey parseEncryptedPrivateKey(String key,
                                                  String passphrase)

Parse an encrypted private key

Parameters:

key - encrypted private key

passphrase - private key phrase

Returns:

the decrypted private key

createKeyPairFromPrivateKey

public static KeyPair createKeyPairFromPrivateKey(PrivateKey privateKey)
                                           throws NoSuchAlgorithmException,
                                                  InvalidKeySpecException

Generate key pair object from private key

Parameters:

privateKey - private key

Returns:

a key pair object

Throws:

NoSuchAlgorithmException - if can't create key factory by using RSA algorithm

InvalidKeySpecException - if private key or public key is invalid

createTimerContext

public static com.codahale.metrics.Timer.Context createTimerContext(com.codahale.metrics.Timer timer)

Create a new timer context if input is not null

toByteArray

public static byte[] toByteArray(long value)

Convert long value to a byte array

toByteArray

public static byte[] toByteArray(int value)

Convert int value to a byte array

isNullOrEmpty

public static boolean isNullOrEmpty(String string)

Utility function to check whether a string is null or empty

showMemory

public static void showMemory()

Util function to show memory usage info and debug memory issue in the SDK

getStackTrace

public static String getStackTrace(Throwable e)

Return the stack trace for a given exception