CharacterSet
public class UTF16CharacterSet extends java.lang.Object implements CharacterSet
Modifier and Type | Field | Description |
---|---|---|
static int |
NONBMP_MAX |
|
static int |
NONBMP_MIN |
|
static char |
SURROGATE1_MAX |
|
static char |
SURROGATE1_MIN |
|
static char |
SURROGATE2_MAX |
|
static char |
SURROGATE2_MIN |
Modifier and Type | Method | Description |
---|---|---|
static int |
combinePair(char high,
char low) |
Return the non-BMP character corresponding to a given surrogate pair
surrogates.
|
static boolean |
containsSurrogates(java.lang.CharSequence s) |
Test whether a CharSequence contains any surrogates (i.e.
|
java.lang.String |
getCanonicalName() |
Get the preferred Java name of the character set.
|
static UTF16CharacterSet |
getInstance() |
Get the singular instance of this class
|
static char |
highSurrogate(int ch) |
Return the high surrogate of a non-BMP character
|
boolean |
inCharset(int c) |
Determine if a character is present in the character set
|
static boolean |
isHighSurrogate(int ch) |
Test whether the given character is a high surrogate
|
static boolean |
isLowSurrogate(int ch) |
Test whether the given character is a low surrogate
|
static boolean |
isSurrogate(int c) |
Test whether a given character is a surrogate (high or low)
|
static char |
lowSurrogate(int ch) |
Return the low surrogate of a non-BMP character
|
static void |
main(java.lang.String[] args) |
public static final int NONBMP_MIN
public static final int NONBMP_MAX
public static final char SURROGATE1_MIN
public static final char SURROGATE1_MAX
public static final char SURROGATE2_MIN
public static final char SURROGATE2_MAX
public static UTF16CharacterSet getInstance()
public boolean inCharset(int c)
CharacterSet
inCharset
in interface CharacterSet
public java.lang.String getCanonicalName()
CharacterSet
getCanonicalName
in interface CharacterSet
public static int combinePair(char high, char low)
high
- The high surrogate.low
- The low surrogate.public static char highSurrogate(int ch)
ch
- The Unicode codepoint of the non-BMP character to be divided.public static char lowSurrogate(int ch)
ch
- The Unicode codepoint of the non-BMP character to be divided.public static boolean isSurrogate(int c)
c
- the character to testpublic static boolean isHighSurrogate(int ch)
ch
- The character to test.public static boolean isLowSurrogate(int ch)
ch
- The character to test.public static boolean containsSurrogates(java.lang.CharSequence s)
s
- the string to be testedpublic static void main(java.lang.String[] args)