com.alibaba.druid.util

类 StringUtils

java.lang.Object

com.alibaba.druid.util.StringUtils

public class StringUtils
extends Object

作者:

sandzhang

构造器概要

构造器

构造器和说明
StringUtils()

方法概要

方法

限定符和类型	方法和说明
static Map<String,String>	getParameters(String url)
static void	main(String[] args)
static Integer	stringToInteger(String in)
static Long	stringToLong(String in)
static String	subString(String src, String start, String to) Example: subString("abcd","a","c")="b"
static Integer	subStringToInteger(String src, String start, String to) Example: subString("12345","1","4")=23
static String[]	tokenizeToStringArray(String str, String delimiters) Tokenize the given String into a String array via a StringTokenizer.
static String[]	tokenizeToStringArray(String str, String delimiters, boolean trimTokens, boolean ignoreEmptyTokens) Tokenize the given String into a String array via a StringTokenizer.
static String[]	toStringArray(Collection collection) Copy the given Collection into a String array.

从类继承的方法 java.lang.Object

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

构造器详细资料

StringUtils

public StringUtils()

方法详细资料

subStringToInteger

public static Integer subStringToInteger(String src,
                         String start,
                         String to)

Example: subString("12345","1","4")=23

参数:

src -

start -

to -

返回:

subString

public static String subString(String src,
               String start,
               String to)

Example: subString("abcd","a","c")="b"

参数:

src -

start - null while start from index=0

to - null while to index=src.length

返回:

stringToInteger

public static Integer stringToInteger(String in)

参数:

in -

返回:

stringToLong

public static Long stringToLong(String in)

参数:

in -

返回:

getParameters

public static Map<String,String> getParameters(String url)

tokenizeToStringArray

public static String[] tokenizeToStringArray(String str,
                             String delimiters)

Tokenize the given String into a String array via a StringTokenizer. Trims tokens and omits empty tokens.

The given delimiters string is supposed to consist of any number of delimiter characters. Each of those characters can be used to separate tokens. A delimiter is always a single character; for multi-character delimiters, consider using delimitedListToStringArray

Copied from the Spring Framework while retaining all license, copyright and author information.

参数:

str - the String to tokenize

delimiters - the delimiter characters, assembled as String (each of those characters is individually considered as delimiter).

返回:

an array of the tokens

另请参阅:

StringTokenizer, String.trim()

tokenizeToStringArray

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

Tokenize the given String into a String array via a StringTokenizer.

The given delimiters string is supposed to consist of any number of delimiter characters. Each of those characters can be used to separate tokens. A delimiter is always a single character; for multi-character delimiters, consider using delimitedListToStringArray

Copied from the Spring Framework while retaining all license, copyright and author information.

参数:

str - the String to tokenize

delimiters - the delimiter characters, assembled as String (each of those characters is individually considered as delimiter)

trimTokens - trim the tokens via String's trim

ignoreEmptyTokens - omit empty tokens from the result array (only applies to tokens that are empty after trimming; StringTokenizer will not consider subsequent delimiters as token in the first place).

返回:

an array of the tokens (null if the input String was null)

另请参阅:

StringTokenizer, String.trim()

toStringArray

public static String[] toStringArray(Collection collection)

Copy the given Collection into a String array. The Collection must contain String elements only.

Copied from the Spring Framework while retaining all license, copyright and author information.

参数:

collection - the Collection to copy

返回:

the String array (null if the passed-in Collection was null)

main

public static void main(String[] args)