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java.lang.Objectorg.mortbay.util.StringUtil
public class StringUtil
Fast String Utilities. These string utilities provide both conveniance methods and performance improvements over most standard library versions. The main aim of the optimizations is to avoid object creation unless absolutely required.
Field Summary | |
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static java.lang.String |
__ISO_8859_1
|
static java.lang.String |
__LINE_SEPARATOR
|
static java.lang.String |
__UTF16
|
static java.lang.String |
__UTF8
|
static java.lang.String |
__UTF8Alt
|
static java.lang.String |
CRLF
|
Constructor Summary | |
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StringUtil()
|
Method Summary | |
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static void |
append(java.lang.StringBuffer buf,
byte b,
int base)
append hex digit |
static void |
append(java.lang.StringBuffer buf,
java.lang.String s,
int offset,
int length)
Append substring to StringBuffer |
static void |
append2digits(java.lang.StringBuffer buf,
int i)
|
static java.lang.String |
asciiToLowerCase(java.lang.String s)
fast lower case conversion. |
static boolean |
endsWithIgnoreCase(java.lang.String s,
java.lang.String w)
|
static boolean |
equals(java.lang.String s,
char[] buf,
int offset,
int length)
|
static int |
indexFrom(java.lang.String s,
java.lang.String chars)
returns the next index of a character from the chars string |
static boolean |
isUTF8(java.lang.String charset)
|
static java.lang.String |
nonNull(java.lang.String s)
Return a non null string. |
static java.lang.String |
printable(java.lang.String name)
|
static java.lang.String |
replace(java.lang.String s,
java.lang.String sub,
java.lang.String with)
replace substrings within string. |
static boolean |
startsWithIgnoreCase(java.lang.String s,
java.lang.String w)
|
static java.lang.String |
toString(byte[] b,
int offset,
int length,
java.lang.String charset)
|
static java.lang.String |
toUTF8String(byte[] b,
int offset,
int length)
|
static java.lang.String |
unquote(java.lang.String s)
Remove single or double quotes. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String CRLF
public static final java.lang.String __LINE_SEPARATOR
public static final java.lang.String __ISO_8859_1
public static final java.lang.String __UTF8
public static final java.lang.String __UTF8Alt
public static final java.lang.String __UTF16
Constructor Detail |
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public StringUtil()
Method Detail |
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public static java.lang.String asciiToLowerCase(java.lang.String s)
s
- the string to convert
public static boolean startsWithIgnoreCase(java.lang.String s, java.lang.String w)
public static boolean endsWithIgnoreCase(java.lang.String s, java.lang.String w)
public static int indexFrom(java.lang.String s, java.lang.String chars)
public static java.lang.String replace(java.lang.String s, java.lang.String sub, java.lang.String with)
public static java.lang.String unquote(java.lang.String s)
public static void append(java.lang.StringBuffer buf, java.lang.String s, int offset, int length)
buf
- StringBuffer to append tos
- String to append fromoffset
- The offset of the substringlength
- The length of the substringpublic static void append(java.lang.StringBuffer buf, byte b, int base)
public static void append2digits(java.lang.StringBuffer buf, int i)
public static java.lang.String nonNull(java.lang.String s)
s
- String
public static boolean equals(java.lang.String s, char[] buf, int offset, int length)
public static java.lang.String toUTF8String(byte[] b, int offset, int length)
public static java.lang.String toString(byte[] b, int offset, int length, java.lang.String charset)
public static boolean isUTF8(java.lang.String charset)
public static java.lang.String printable(java.lang.String name)
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