org.apache.flink.table.runtime.util

Class StringUtf8Utils

java.lang.Object

org.apache.flink.table.runtime.util.StringUtf8Utils

public class StringUtf8Utils
extends Object

String utf-8 utils.

StringUtf8Utils refers to the implementation from SerializeWriter and IOUtils of Alibaba fastjson. The difference is that StringUtf8Utils need to handle the wrong code, just like StringCoding.decode.

Constructor Summary

Constructors

Constructor and Description
StringUtf8Utils()

Method Summary

Modifier and Type	Method and Description
static String	decodeUTF8(byte[] input, int offset, int byteLen)
static String	decodeUTF8(MemorySegment input, int offset, int byteLen)
static int	decodeUTF8Strict(byte[] sa, int sp, int len, char[] da)
static int	decodeUTF8Strict(MemorySegment segment, int sp, int len, char[] da)
static String	defaultDecodeUTF8(byte[] bytes, int offset, int len)
static int	defaultEncodeUTF8(String str, byte[] bytes)
static byte[]	encodeUTF8(String str) This method must have the same result with JDK's String.getBytes.
static int	encodeUTF8(String str, byte[] bytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtf8Utils

public StringUtf8Utils()

Method Detail

encodeUTF8

public static byte[] encodeUTF8(String str)

This method must have the same result with JDK's String.getBytes.

encodeUTF8

public static int encodeUTF8(String str,
                             byte[] bytes)

defaultEncodeUTF8

public static int defaultEncodeUTF8(String str,
                                    byte[] bytes)

decodeUTF8

public static String decodeUTF8(byte[] input,
                                int offset,
                                int byteLen)

decodeUTF8Strict

public static int decodeUTF8Strict(byte[] sa,
                                   int sp,
                                   int len,
                                   char[] da)

decodeUTF8

public static String decodeUTF8(MemorySegment input,
                                int offset,
                                int byteLen)

decodeUTF8Strict

public static int decodeUTF8Strict(MemorySegment segment,
                                   int sp,
                                   int len,
                                   char[] da)

defaultDecodeUTF8

public static String defaultDecodeUTF8(byte[] bytes,
                                       int offset,
                                       int len)