cn.starboot.http.common.utils

类 StringUtils

java.lang.Object

cn.starboot.http.common.utils.StringUtils

public class StringUtils
extends Object

版本:

2.10.1.v20211002-RELEASE

作者:

MDong

嵌套类概要

嵌套类

限定符和类型	类和说明
(专用程序包) static class	StringUtils.IntegerCache
(专用程序包) static class	StringUtils.StringCache

字段概要

字段

限定符和类型	字段和说明
private static int	CHAR_CACHE_MAX_LENGTH
private static ThreadLocal<char[]>	charsCacheThreadLocal
static String	EMPTY The empty String "".
static String[]	EMPTY_STRING_ARRAY An empty immutable String array.
static int	INDEX_NOT_FOUND Represents a failed index search.
static List<StringUtils.IntegerCache>[]	INTEGER_CACHE_HTTP_STATUS_CODE
static List<StringUtils.StringCache>[]	String_CACHE_COMMON
static List<StringUtils.StringCache>[]	String_CACHE_EMPTY
static List<StringUtils.StringCache>[]	String_CACHE_HEADER_NAME

构造器概要

构造器

构造器和说明
StringUtils()

方法概要

限定符和类型	方法和说明
static boolean	addCache(List<StringUtils.StringCache>[] cache, String str)
static int	convertToInteger(ByteBuffer buffer, int offset, int length, List<StringUtils.IntegerCache>[] cacheList)
static String	convertToString(ByteBuffer buffer, int offset, int length)
static String	convertToString(ByteBuffer buffer, int offset, int length, List<StringUtils.StringCache>[] cacheList)
static String	convertToString(ByteBuffer buffer, int offset, int length, List<StringUtils.StringCache>[] cacheList, boolean readonly)
static boolean	endsWith(CharSequence str, CharSequence suffix)
private static boolean	endsWith(CharSequence str, CharSequence suffix, boolean ignoreCase)
private static boolean	equals(byte[] b0, byte[] b1, int offset)
static boolean	equals(CharSequence cs1, CharSequence cs2)
static boolean	isBlank(CharSequence cs)
static boolean	isEmpty(CharSequence cs)
static boolean	isNotBlank(CharSequence cs)
static int	length(CharSequence cs)
private static String	newAsciiString(byte[] bytes, int offset, int len)
private static boolean	regionMatches(CharSequence cs, boolean ignoreCase, int thisStart, CharSequence substring, int start, int length)
static <T> ByteTree<T>	scanByteTree(ByteBuffer buffer, ByteTree.EndMatcher endMatcher, ByteTree<T> cache)
static int	scanUntilAndTrim(ByteBuffer buffer, byte split)
static String[]	split(String str, String separatorChars)
static String[]	splitPreserveAllTokens(String str, String separatorChars)
private static String[]	splitWorker(String str, String separatorChars, int max, boolean preserveAllTokens)
static boolean	startsWith(CharSequence str, CharSequence prefix)
private static boolean	startsWith(CharSequence str, CharSequence prefix, boolean ignoreCase)
static String	substring(String str, int start)
static String	substring(String str, int start, int end)
static String	substringAfter(String str, String separator)
static String	substringBefore(String str, String separator)
static String[]	tokenizeToStringArray(String str, String delimiters, boolean trimTokens, boolean ignoreEmptyTokens)
static String[]	toStringArray(Collection<String> collection)
static String	trim(String str)
static void	trimBuffer(ByteBuffer buffer)

从类继承的方法 java.lang.Object

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

字段详细资料

EMPTY_STRING_ARRAY

public static final String[] EMPTY_STRING_ARRAY

An empty immutable String array.

EMPTY

public static final String EMPTY

The empty String "".

从以下版本开始:

2.0

另请参阅:

常量字段值

INDEX_NOT_FOUND

public static final int INDEX_NOT_FOUND

Represents a failed index search.

从以下版本开始:

2.1

另请参阅:

常量字段值

String_CACHE_EMPTY

public static final List<StringUtils.StringCache>[] String_CACHE_EMPTY

String_CACHE_COMMON

public static final List<StringUtils.StringCache>[] String_CACHE_COMMON

String_CACHE_HEADER_NAME

public static final List<StringUtils.StringCache>[] String_CACHE_HEADER_NAME

INTEGER_CACHE_HTTP_STATUS_CODE

public static final List<StringUtils.IntegerCache>[] INTEGER_CACHE_HTTP_STATUS_CODE

CHAR_CACHE_MAX_LENGTH

private static final int CHAR_CACHE_MAX_LENGTH

另请参阅:

常量字段值

charsCacheThreadLocal

private static final ThreadLocal<char[]> charsCacheThreadLocal

构造器详细资料

StringUtils

public StringUtils()

方法详细资料

trim

public static String trim(String str)

convertToInteger

public static int convertToInteger(ByteBuffer buffer,
                                   int offset,
                                   int length,
                                   List<StringUtils.IntegerCache>[] cacheList)

convertToString

public static String convertToString(ByteBuffer buffer,
                                     int offset,
                                     int length)

convertToString

public static String convertToString(ByteBuffer buffer,
                                     int offset,
                                     int length,
                                     List<StringUtils.StringCache>[] cacheList)

convertToString

public static String convertToString(ByteBuffer buffer,
                                     int offset,
                                     int length,
                                     List<StringUtils.StringCache>[] cacheList,
                                     boolean readonly)

equals

private static boolean equals(byte[] b0,
                              byte[] b1,
                              int offset)

isEmpty

public static boolean isEmpty(CharSequence cs)

isBlank

public static boolean isBlank(CharSequence cs)

isNotBlank

public static boolean isNotBlank(CharSequence cs)

equals

public static boolean equals(CharSequence cs1,
                             CharSequence cs2)

regionMatches

private static boolean regionMatches(CharSequence cs,
                                     boolean ignoreCase,
                                     int thisStart,
                                     CharSequence substring,
                                     int start,
                                     int length)

substring

public static String substring(String str,
                               int start)

substring

public static String substring(String str,
                               int start,
                               int end)

substringBefore

public static String substringBefore(String str,
                                     String separator)

substringAfter

public static String substringAfter(String str,
                                    String separator)

split

public static String[] split(String str,
                             String separatorChars)

splitPreserveAllTokens

public static String[] splitPreserveAllTokens(String str,
                                              String separatorChars)

splitWorker

private static String[] splitWorker(String str,
                                    String separatorChars,
                                    int max,
                                    boolean preserveAllTokens)

tokenizeToStringArray

public static String[] tokenizeToStringArray(String str,
                                             String delimiters,
                                             boolean trimTokens,
                                             boolean ignoreEmptyTokens)

toStringArray

public static String[] toStringArray(Collection<String> collection)

length

public static int length(CharSequence cs)

startsWith

public static boolean startsWith(CharSequence str,
                                 CharSequence prefix)

startsWith

private static boolean startsWith(CharSequence str,
                                  CharSequence prefix,
                                  boolean ignoreCase)

endsWith

public static boolean endsWith(CharSequence str,
                               CharSequence suffix)

endsWith

private static boolean endsWith(CharSequence str,
                                CharSequence suffix,
                                boolean ignoreCase)

scanByteTree

public static <T> ByteTree<T> scanByteTree(ByteBuffer buffer,
                                           ByteTree.EndMatcher endMatcher,
                                           ByteTree<T> cache)

scanUntilAndTrim

public static int scanUntilAndTrim(ByteBuffer buffer,
                                   byte split)

trimBuffer

public static void trimBuffer(ByteBuffer buffer)

addCache

public static boolean addCache(List<StringUtils.StringCache>[] cache,
                               String str)

newAsciiString

private static String newAsciiString(byte[] bytes,
                                     int offset,
                                     int len)