public class MessageFormat extends Format
MessageFormatใฏใ้ฃ็ตใใใใกใใปใผใธใใ่จ่ชใซไพๅญใใชใๆนๆณใงๆง็ฏใใใใใฎใใฎใงใใ ใจใณใใปใฆใผใถใผ็จใซ่กจ็คบใใใกใใปใผใธใฏใใใฎๆนๆณใงๆง็ฏใใฆใใ ใใใ
MessageFormatใฏใ1็ตใฎใชใใธใงใฏใใใใฉใผใใใใใใใฉใผใใใใใๆๅญๅใใใฟใผใณใฎ้ฉๅใชๅ ดๆใซๆฟๅ
ฅใใพใใ
ใใผใ: MessageFormatใใปใใฎFormatใฏใฉในใจ็ฐใชใ็นใฏใMessageFormatใชใใธใงใฏใใ(getInstanceในใฟใคใซใฎใใกใฏใใชใปใกใฝใใใงใฏใชใ)ใใฎใณใณในใใฉใฏใฟใฎ1ใคใงไฝๆใใใจใใใใจใงใใ MessageFormatใงใฏใใญใฑใผใซๅบๆใฎๅไฝใฏๅฎ่ฃ
ใใใฆใใชใใฎใงใใใกใฏใใชใปใกใฝใใใฏๅฟ
่ฆใใใพใใใ ใญใฑใผใซๅบๆใฎๅไฝใฏใๆไพใใใใฟใผใณใใใณๆฟๅ
ฅใใใๅผๆฐใซไฝฟ็จใใใตใใใฉใผใใใใซใใฃใฆๅฎ็พฉใใใพใใ
MessageFormatใฏๆฌกใฎใใฟใผใณใไฝฟ็จใใพใใ
MessageFormatPattern:
String
MessageFormatPattern FormatElement String
FormatElement:
{ ArgumentIndex }
{ ArgumentIndex , FormatType }
{ ArgumentIndex , FormatType , FormatStyle }
FormatType: one of
number date time choice
FormatStyle:
short
medium
long
full
integer
currency
percent
SubformatPattern
Stringๅ
ใง1็ตใฎๅไธๅผ็จ็ฌฆใไฝฟ็จใใฆใๅไธๅผ็จ็ฌฆใ้คใไปปๆใฎๆๅญใๅฒใใใจใใงใใพใใ ใใจใใฐใใใฟใผใณๆๅญๅ"'{0}'"ใฏใFormatElementใงใฏใชใใๆๅญๅ"{0}"ใ่กจใใพใใ ๅไธๅผ็จ็ฌฆ่ชไฝใ่กจใใซใฏใStringๅ
จไฝใงๅไธๅผ็จ็ฌฆใ2ใคใซใใ('')ๅฟ
่ฆใใใใพใใ ใใจใใฐใใใฟใผใณๆๅญๅ"'{''}'"ใฏใ'{'ใจ'}' (ๅทฆๅณใฎไธญๆฌๅผงใๅผ็จ็ฌฆใงๅฒใพใใใใฎ) ใงใฏใชใใ'{ (ๅผ็จใฎ้ๅงใจๅทฆไธญๆฌๅผง)ใ'' (ๅไธๅผ็จ็ฌฆ)ใ}' (ๅณไธญๆฌๅผงใจๅผ็จใฎ็ตไบ)ใ้ฃ็ถใใใใฎใจใใฆ่งฃ้ใใใๆๅญๅ"{}" ใงใฏใชใใ"{'}"ใ่กจใใพใใ
SubformatPatternใฏๅฏพๅฟใใใตใใใฉใผใใใใง่งฃ้ใใใใตใใใฉใผใใใใซไพๅญใใใใฟใผใณใฎใซใผใซใ้ฉ็จใใใพใใ ใใจใใฐใใใฟใผใณๆๅญๅ"{1,number,$'#',##}" (ไธ็ทไปใใฎSubformatPattern)ใจๆๅฎใใใจใใใใทใฅ่จๅท(#)ใไปใใๆฐๅคใใฉใผใใใใ็ๆใใใพใใ็ตๆใฏใ"$#31,45"ใฎใใใซใชใใพใใ ่ฉณ็ดฐใฏใFormatใตใใฏใฉในใฎใใญใฅใกใณใใๅ็
งใใฆใใ ใใใ
ไธ่ดใใชใๅผ็จ็ฌฆใฏใๆๅฎใใใใใฟใผใณใฎๆๅพใง้ใใใใใใฎใจใใฆๅฆ็ใใใพใใ ใใจใใฐใใใฟใผใณๆๅญๅ"'{0}"ใฏใใฟใผใณ"'{0}'"ใจใใฆๅฆ็ใใใพใใ
ๅผ็จ็ฌฆใงๅฒใพใใฆใใชใใใฟใผใณๅ
ใฎไธญๆฌๅผงใฎใใฉใณในใๅใๅฟ
่ฆใใใใพใใ ใใจใใฐใ"ab {0} de"ใ"ab '}' de"ใฏๆๅนใชใใฟใผใณใงใใใ"ab {0'}' de"ใ"ab } de"ใ"''{''"ใฏ็กๅนใงใใ
MessageFormatใงๅฆ็ใใใใฎใใ็คบใใใใซใใฆใใ ใใใ ใญใผใซใฉใคใถใฏใๅคๆใใๆๅญๅใงใชใชใธใใซใฎใใผใธใงใณใซใฏใชใๅไธๅผ็จ็ฌฆใไฝฟ็จใใชใใใฐใชใใชใๅ ดๅใใใใพใใ
ArgumentIndexๅคใฏใๆฐๅญ'0' - '9'ใไฝฟ็จใใฆ่จ่ฟฐใใ0ไปฅไธใฎๆดๆฐใงใใformatใกใฝใใใซๆธกใใใarguments้
ๅใพใใฏparseใกใฝใใใซใใฃใฆ่ฟใใใ็ตๆใฎ้
ๅใฎใคใณใใใฏในใ่กจใใพใใ
FormatTypeใใใณFormatStyleๅคใฏใใใฉใผใใใ่ฆ็ด ใฎFormatใคใณในใฟใณในใฎ็ๆใซไฝฟ็จใใพใใ ๆฌกใฎ่กจใซใFormatใคใณในใฟใณในใธใฎๅคใฎใใใใซใคใใฆ็คบใใพใใ ่กจใซใชใ็ตใฟๅใใใฏไฝฟ็จใงใใพใใใ SubformatPatternใฏใไฝฟ็จใใFormatใตใใฏใฉในใซๅฏพใใฆๆๅนใชใใฟใผใณๆๅญๅใงใใๅฟ
่ฆใใใใพใใ
ๆฌกใซใใใคใใฎไฝฟ็จไพใ็คบใใพใใ ใใกใใๅฎ้ใฎๅฝ้ๅใใใใใญใฐใฉใ ใงใฏใใกใใปใผใธใปใใฉใผใใใใปใใฟใผใณใใใฎไปใฎ้็ใชๆๅญๅใฏใชใฝใผในใปใใณใใซใใๅๅพใใใพใใ ใใฎไปใฎใใฉใกใผใฟใฏๅฎ่กๆใซๅ็ใซๆฑบๅฎใใใพใใ
ๆๅใฎไพใงใฏใstaticใกใฝใใMessageFormat.formatใไฝฟ็จใใฆใใพใใใใฎใกใฝใใใฏๅ
้จ็ใซใ1ๅบฆ้ใใฎไฝฟ็จ็ฎ็ใงMessageFormatใคใณในใฟใณในใไฝๆใใพใใ
int planet = 7;
String event = "a disturbance in the Force";
String result = MessageFormat.format(
"At {1,time} on {1,date}, there was {2} on planet {0,number,integer}.",
planet, new Date(), event);
At 12:30 PM on Jul 3, 2053, there was a disturbance in the Force on planet 7.
ๆฌกใฎไพใงใฏใ็นฐ่ฟใไฝฟ็จๅฏ่ฝใชMessageFormatใคใณในใฟใณในใไฝๆใใฆใใพใใ
int fileCount = 1273;
String diskName = "MyDisk";
Object[] testArgs = {new Long(fileCount), diskName};
MessageFormat form = new MessageFormat(
"The disk \"{1}\" contains {0} file(s).");
System.out.println(form.format(testArgs));
fileCountใซใใพใใพใชๅคใ่จญๅฎใใๅ ดๅใฎๅบๅ็ตๆใๆฌกใซ็คบใใพใใ
The disk "MyDisk" contains 0 file(s). The disk "MyDisk" contains 1 file(s). The disk "MyDisk" contains 1,273 file(s).
ใใ้ซๅบฆใชใใฟใผใณใๅฎ็พใใใใใฐใChoiceFormatใไฝฟ็จใใใใจใงใๅๆฐใจ่คๆฐใซๅฏพใใฆใใใใ้ฉๅใชๅฝขๅผใ็ๆใงใใพใใ
MessageFormat form = new MessageFormat("The disk \"{1}\" contains {0}.");
double[] filelimits = {0,1,2};
String[] filepart = {"no files","one file","{0,number} files"};
ChoiceFormat fileform = new ChoiceFormat(filelimits, filepart);
form.setFormatByArgumentIndex(0, fileform);
int fileCount = 1273;
String diskName = "MyDisk";
Object[] testArgs = {new Long(fileCount), diskName};
System.out.println(form.format(testArgs));
fileCountใซใใพใใพใชๅคใ่จญๅฎใใๅ ดๅใฎๅบๅ็ตๆใๆฌกใซ็คบใใพใใ
The disk "MyDisk" contains no files. The disk "MyDisk" contains one file. The disk "MyDisk" contains 1,273 files.
ไธใฎไพใฎใใใซChoiceFormatใใใญใฐใฉใ ็ใซไฝๆใงใใพใใใๆฌกใฎใใใซใใฟใผใณใไฝฟ็จใใใใจใใงใใพใใ ่ฉณ็ดฐใฏใChoiceFormatใๅ็
งใใฆใใ ใใใ
form.applyPattern( "There {0,choice,0#are no files|1#is one file|1<are {0,number,integer} files}.");
ใใผใ: ไธ่จใใใใใใใใซใMessageFormatใฎChoiceFormatใซใใฃใฆ็ๆใใใๆๅญๅใฎๆฑใใฏใใชใ็นๆฎใงใใใ{ใใฎๅญๅจใซใใฃใฆใตใใใฉใผใใใใงใใใใจใ็คบใใๅๅธฐๅฆ็ใ่กใฃใฆใใพใใ MessageFormatใจChoiceFormatใไธกๆนใจใ(ๆๅญๅใใฟใผใณใจใใฆใงใฏใชใ)ใใญใฐใฉใ ็ใซไฝๆใใๅ ดๅใซใฏใๅๅธฐ็ใซ็นฐใ่ฟใใใฉใผใใใใไฝๆใใฆๆฐธไน
ใซใผใใซ้ฅใใชใใใใซๆณจๆใใฆใใ ใใใ
1ใคใฎๅผๆฐใๆๅญๅๅ ใง่คๆฐๅ่งฃๆใใใใจใๆๅพใซไธ่ดใใใใฎใ่งฃๆใฎๆ็ต็ตๆใซใชใใพใใ ใใจใใฐใ
MessageFormat mf = new MessageFormat("{0,number,#.##}, {0,number,#.#}");
Object[] objs = {new Double(3.1415)};
String result = mf.format( objs );
// result now equals "3.14, 3.1"
objs = null;
objs = mf.parse(result, new ParsePosition(0));
// objs now equals {new Double(3.1)}
ๅๆงใซใๅใๅผๆฐใ่คๆฐๅๅบใฆใใใใฟใผใณใไฝฟใฃใฆMessageFormatใชใใธใงใฏใใ่งฃๆใใใจใๆๅพใซไธ่ดใใใใฎใ่ฟใใใพใใ ใใจใใฐใ
MessageFormat mf = new MessageFormat("{0}, {0}, {0}");
String forParsing = "x, y, z";
Object[] objs = mf.parse(forParsing, new ParsePosition(0));
// result now equals {new String("z")}
ใกใใปใผใธใปใใฉใผใใใใฏๅๆๅใใใพใใใ ในใฌใใใใจใซๅฅใฎใใฉใผใใใใปใคใณในใฟใณในใไฝๆใใใใจใใ่ฆใใใพใใ ่คๆฐใฎในใฌใใใใใฉใผใใใใซไธฆ่กใใฆใขใฏใปในใใๅ ดๅใฏใๅค้จ็ใซๅๆๅใใๅฟ ่ฆใใใใพใใ
| ไฟฎ้ฃพๅญใจๅ | ใฏใฉใน | ่ชฌๆ |
|---|---|---|
static class |
MessageFormat.Field |
MessageFormat.formatToCharacterIteratorใใ่ฟใใใAttributedCharacterIteratorๅ
ใฎๅฑๆงใญใผใจใใฆไฝฟ็จใใๅฎๆฐใๅฎ็พฉใใพใใ |
| ใณใณในใใฉใฏใฟ | ่ชฌๆ |
|---|---|
MessageFormat(String pattern) |
ใใใฉใซใใฎ
FORMATใญใฑใผใซใจๆๅฎใใใใใฟใผใณใฎใใใฎMessageFormatใๆง็ฏใใพใใ |
MessageFormat(String pattern, Locale locale) |
ๆๅฎใใใใญใฑใผใซใจใใฟใผใณใฎใใใฎMessageFormatใๆง็ฏใใพใใ
|
| ไฟฎ้ฃพๅญใจๅ | ใกใฝใใ | ่ชฌๆ |
|---|---|---|
void |
applyPattern(String pattern) |
ใใฎใกใใปใผใธใปใใฉใผใใใใซใใฃใฆไฝฟ็จใใใใใฟใผใณใ่จญๅฎใใพใใ
|
Object |
clone() |
ใใฎใชใใธใงใฏใใฎใณใใผใไฝๆใใฆใ่ฟใใพใใ
|
boolean |
equals(Object obj) |
2ใคใฎใกใใปใผใธใปใใฉใผใใใใปใชใใธใงใฏใใฎ้ใฎ็ญๅทๆฏ่ผใงใใ
|
StringBuffer |
format(Object[] arguments, StringBuffer result, FieldPosition pos) |
ใชใใธใงใฏใใฎ้
ๅใใใฉใผใใใใใๆไพใใใ
StringBufferใซใใใฉใผใใใ่ฆ็ด ใใใฉใผใใใใใใใชใใธใงใฏใใซใใฃใฆ็ฝฎใๆใใฆMessageFormatใฎใใฟใผใณใ่ฟฝๅ ใใพใใ |
StringBuffer |
format(Object arguments, StringBuffer result, FieldPosition pos) |
ใชใใธใงใฏใใฎ้
ๅใใใฉใผใใใใใๆไพใใใ
StringBufferใซใใใฉใผใใใ่ฆ็ด ใใใฉใผใใใใใใใชใใธใงใฏใใซใใฃใฆ็ฝฎใๆใใฆMessageFormatใฎใใฟใผใณใ่ฟฝๅ ใใพใใ |
static String |
format(String pattern, Object... arguments) |
ๆๅฎใใใใใฟใผใณใไฝฟใฃใฆMessageFormatใไฝๆใใใใใไฝฟ็จใใฆๆๅฎใใใๅผๆฐใใใฉใผใใใใใพใใ
|
AttributedCharacterIterator |
formatToCharacterIterator(Object arguments) |
ใชใใธใงใฏใใฎ้
ๅใใใฉใผใใใใใใใใ
MessageFormatใฎใใฟใผใณใซๆฟๅ
ฅใใฆใAttributedCharacterIteratorใ็ๆใใพใใ |
Format[] |
getFormats() |
ใใใใใ่จญๅฎใใใใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใใใฉใผใใใใๅๅพใใพใใ
|
Format[] |
getFormatsByArgumentIndex() |
formatใกใฝใใใซๆธกใใใๅคใพใใฏparseใกใฝใใใใ่ฟใใใๅคใซไฝฟ็จใใใใใฉใผใใใใๅๅพใใพใใ |
Locale |
getLocale() |
ใตใใใฉใผใใใใไฝๆใพใใฏๆฏ่ผใใๅ ดๅใซไฝฟ็จใใใใญใฑใผใซใๅๅพใใพใใ
|
int |
hashCode() |
ใกใใปใผใธใปใใฉใผใใใใปใชใใธใงใฏใใฎใใใทใฅใปใณใผใใ็ๆใใพใใ
|
Object[] |
parse(String source) |
ๆๅฎใใใๆๅญๅใฎๅ
้ ญใใใใญในใใ่งฃๆใใฆใชใใธใงใฏใ้
ๅใ็ๆใใพใใ
|
Object[] |
parse(String source, ParsePosition pos) |
ๆๅญๅใ่งฃๆใใพใใ
|
Object |
parseObject(String source, ParsePosition pos) |
ๆๅญๅใใใใญในใใ่งฃๆใใฆใชใใธใงใฏใ้
ๅใ็ๆใใพใใ
|
void |
setFormat(int formatElementIndex, Format newFormat) |
ใใใใใ่จญๅฎใใใใใฟใผใณๆๅญๅๅ
ใฎๆๅฎใใใใใฉใผใใใ่ฆ็ด ใคใณใใใฏในใงใใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใใฉใผใใใใ่จญๅฎใใพใใ
|
void |
setFormatByArgumentIndex(int argumentIndex, Format newFormat) |
ๆๅฎใใใๅผๆฐใคใณใใใฏในใไฝฟ็จใใใใใใใใ่จญๅฎใใใใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใใฉใผใใใใ่จญๅฎใใพใใ
|
void |
setFormats(Format[] newFormats) |
ใใใใใ่จญๅฎใใใใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใใฉใผใใใใ่จญๅฎใใพใใ
|
void |
setFormatsByArgumentIndex(Format[] newFormats) |
formatใกใฝใใใซๆธกใใใๅคใพใใฏparseใกใฝใใใใ่ฟใใใๅคใซไฝฟ็จใใใใฉใผใใใใ่จญๅฎใใพใใ |
void |
setLocale(Locale locale) |
ใตใใใฉใผใใใใไฝๆใพใใฏๆฏ่ผใใๅ ดๅใซไฝฟ็จใใใญใฑใผใซใ่จญๅฎใใพใใ
|
String |
toPattern() |
ใกใใปใผใธใปใใฉใผใใใใฎ็พๅจใฎ็ถๆ
ใ่กจใใใฟใผใณใ่ฟใใพใใ
|
format, parseObjectpublic MessageFormat(String pattern)
FORMATใญใฑใผใซใจๆๅฎใใใใใฟใผใณใฎใใใฎMessageFormatใๆง็ฏใใพใใ ใณใณในใใฉใฏใฟใฏใญใฑใผใซใ่จญๅฎใใฆใใใใฟใผใณใ่งฃๆใใๅซใพใใฆใใใใฉใผใใใ่ฆ็ด ใซใคใใฆใตใใใฉใผใใใใฎใชในใใไฝๆใใพใใ ใใฟใผใณใจใใฎ่งฃ้ใฏใฏใฉในใฎๆฆ่ฆใงๆๅฎใใใฆใใพใใ pattern - ใใฎใกใใปใผใธใปใใฉใผใใใใฎใใใฎใใฟใผใณIllegalArgumentException - ใใฟใผใณใ็กๅนใชๅ ดๅpublic MessageFormat(String pattern, Locale locale)
pattern - ใใฎใกใใปใผใธใปใใฉใผใใใใฎใใใฎใใฟใผใณlocale - ใใฎใกใใปใผใธใปใใฉใผใใใใฎใใใฎใญใฑใผใซIllegalArgumentException - ใใฟใผใณใ็กๅนใชๅ ดๅpublic void setLocale(Locale locale)
applyPatternใกใฝใใใจtoPatternใกใฝใใ(ใใฉใผใใใ่ฆ็ด ใใใฉใผใใใๅใๆๅฎใใฆใใใใใฎใใใตใใใฉใผใใใใapplyPatternใกใฝใใใงไฝๆใใใๅ ดๅ)
formatใกใฝใใใจformatToCharacterIteratorใกใฝใใ(ใใฉใผใใใ่ฆ็ด ใใใฉใผใใใๅใๆๅฎใใฆใใใใใใฎใใใตใใใฉใผใใใใใใใใฎๆธๅผ่จญๅฎใกใฝใใใงไฝๆใใใๅ ดๅ)ใ
locale - ใตใใใฉใผใใใใไฝๆใพใใฏๆฏ่ผใใๅ ดๅใซไฝฟ็จใใใญใฑใผใซpublic Locale getLocale()
public void applyPattern(String pattern)
pattern - ใใฎใกใใปใผใธใปใใฉใผใใใใฎใใใฎใใฟใผใณIllegalArgumentException - ใใฟใผใณใ็กๅนใชๅ ดๅpublic String toPattern()
public void setFormatsByArgumentIndex(Format[] newFormats)
formatใกใฝใใใซๆธกใใใๅคใพใใฏparseใกใฝใใใใ่ฟใใใๅคใซไฝฟ็จใใใใฉใผใใใใ่จญๅฎใใพใใ newFormatsๅ
ใฎ่ฆ็ด ใฎใคใณใใใฏในใฏใใใใใใ่จญๅฎใใใใใฟใผใณๆๅญๅใงไฝฟ็จใใใๅผๆฐใคใณใใใฏในใซๅฏพๅฟใใพใใ ใใใใฃใฆใnewFormatsๅ
ใฎใใฉใผใใใใฎ้ ๅบใฏformatใกใฝใใใซๆธกใใใarguments้
ๅใพใใฏparseใกใฝใใใซใใฃใฆ่ฟใใใ็ตๆใฎ้
ๅๅ
ใฎ่ฆ็ด ใฎ้ ๅบใซๅฏพๅฟใใพใใ
ๅผๆฐใคใณใใใฏในใใใฟใผใณๆๅญๅๅ
ใง่คๆฐใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใๅ ดๅใๅฏพๅฟใใๆฐใใใใฉใผใใใใใใฎใในใฆใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใพใใ ๅผๆฐใคใณใใใฏในใๆๅญๅๅ
ใงใฉใฎใใฉใผใใใ่ฆ็ด ใซใไฝฟ็จใใใชใๅ ดๅใฏใๅฏพๅฟใใๆฐใใใใฉใผใใใใฏ็ก่ฆใใใพใใ ๆไพใใใใใฉใผใใใใๅฟ
่ฆๆฐใซๆบใใชใๅ ดๅใnewFormats.lengthใใๅฐใชใๅผๆฐใคใณใใใฏในใซๅฏพใใใใฉใผใใใใ ใใ็ฝฎใๆใใใใพใใ
newFormats - ไฝฟ็จใใๆฐใใใใฉใผใใใNullPointerException - newFormatsใnullใงใใๅ ดๅpublic void setFormats(Format[] newFormats)
newFormatsๅ
ใฎใใฉใผใใใใฎ้ ๅบใฏใใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใฎ้ ๅบใซๅฏพๅฟใใพใใ
ใใฟใผใณๆๅญๅใงๅฟ
่ฆใจใใใใใๅคใใฎใใฉใผใใใใๆไพใใใๅ ดๅใไฝใฃใใใฉใผใใใใฏ็ก่ฆใใใพใใ ๅฟ
่ฆๆฐใซๆบใใชใๅ ดๅใฏใๆๅใฎnewFormats.lengthใ ใใ็ฝฎใๆใใใใพใใ
ใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใฎ้ ๅบใฏใญใผใซใชใผใผใทใงใณใฎๅฆ็้็จใงๅคๆดใใใใใจใๅคใใใใ้ๅธธใฏsetFormatsByArgumentIndexใกใฝใใใไฝฟ็จใใใปใใๅน็็ใงใใใใฎใกใฝใใใฏใใใฉใผใใใใฎ้ ๅบใformatใกใฝใใใซๆธกใใใarguments้
ๅใพใใฏparseใกใฝใใใซใใฃใฆ่ฟใใใ็ตๆใฎ้
ๅๅ
ใฎ่ฆ็ด ใฎ้ ๅบใซๅฏพๅฟใใใใฎใจ่ฆใชใใพใใ
newFormats - ไฝฟ็จใใๆฐใใใใฉใผใใใNullPointerException - newFormatsใnullใงใใๅ ดๅpublic void setFormatByArgumentIndex(int argumentIndex,
Format newFormat)
formatใกใฝใใใซๆธกใใใarguments้
ๅใพใใฏparseใกใฝใใใซใใฃใฆ่ฟใใใ็ตๆใฎ้
ๅใฎใคใณใใใฏในใ่กจใใพใใ
ๅผๆฐใคใณใใใฏในใใใฟใผใณๆๅญๅๅ ใง่คๆฐใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใๅ ดๅใๆฐใใใใฉใผใใใใใใฎใในใฆใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใพใใ ๅผๆฐใคใณใใใฏในใๆๅญๅๅ ใงใฉใฎใใฉใผใใใ่ฆ็ด ใซใไฝฟ็จใใใชใๅ ดๅใฏใๆฐใใใใฉใผใใใใฏ็ก่ฆใใใพใใ
argumentIndex - ๆฐใใใใฉใผใใใใซไฝฟ็จใใใใใฎๅผๆฐใคใณใใใฏในnewFormat - ไฝฟ็จใใๆฐใใใใฉใผใใใpublic void setFormat(int formatElementIndex,
Format newFormat)
ใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใฎ้ ๅบใฏใใญใผใซใชใผใผใทใงใณใฎๅฆ็้็จใงๅคๆดใใใใใจใๅคใใใใ้ๅธธใฏsetFormatByArgumentIndexใกใฝใใใไฝฟ็จใใใปใใๅน็็ใงใใใใฎใกใฝใใใฏใใใฉใผใใใ่ฆ็ด ใๆๅฎใใๅผๆฐใคใณใใใฏในใๅบใซใใใฉใผใใใ่ฆ็ด ใซใขใฏใปในใใพใใ
formatElementIndex - ใใฟใผใณๅ
ใฎใใฉใผใใใ่ฆ็ด ใฎใคใณใใใฏในnewFormat - ๆๅฎใใใใใฉใผใใใ่ฆ็ด ใซไฝฟใใใฉใผใใใArrayIndexOutOfBoundsException - formatElementIndexใใใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใฎๆฐไปฅไธใฎๅ ดๅpublic Format[] getFormatsByArgumentIndex()
formatใกใฝใใใซๆธกใใใๅคใพใใฏparseใกใฝใใใใ่ฟใใใๅคใซไฝฟ็จใใใใใฉใผใใใใๅๅพใใพใใ ่ฟใใใ้
ๅๅ
ใฎ่ฆ็ด ใฎใคใณใใใฏในใฏใใใใใใ่จญๅฎใใใใใฟใผใณๆๅญๅใงไฝฟ็จใใใๅผๆฐใคใณใใใฏในใซๅฏพๅฟใใพใใ ใใใใฃใฆใ่ฟใใใ้
ๅๅ
ใฎใใฉใผใใใใฎ้ ๅบใฏใformatใกใฝใใใซๆธกใใใarguments้
ๅใพใใฏparseใกใฝใใใซใใฃใฆ่ฟใใใ็ตๆใฎ้
ๅๅ
ใฎ่ฆ็ด ใฎ้ ๅบใซๅฏพๅฟใใพใใ
ๅผๆฐใคใณใใใฏในใใใฟใผใณๆๅญๅๅ ใง่คๆฐใฎใใฉใผใใใ่ฆ็ด ใซไฝฟ็จใใใๅ ดๅใใใฎๆๅพใฎใใฉใผใใใ่ฆ็ด ใงไฝฟ็จใใใใใฉใผใใใใ้ ๅใซ่ฟใใใพใใ ๅผๆฐใคใณใใใฏในใๆๅญๅๅ ใงใฉใฎใใฉใผใใใ่ฆ็ด ใซใไฝฟ็จใใใชใๅ ดๅใฏใnullใ้ ๅใซ่ฟใใใพใใ
public Format[] getFormats()
ใใฟใผใณๆๅญๅๅ
ใฎใใฉใผใใใ่ฆ็ด ใฎ้ ๅบใฏใญใผใซใชใผใผใทใงใณใฎๅฆ็้็จใงๅคๆดใใใใใจใๅคใใใใ้ๅธธใฏgetFormatsByArgumentIndexใกใฝใใใไฝฟ็จใใใปใใๅน็็ใงใใใใฎใกใฝใใใฏใใใฉใผใใใใฎ้ ๅบใformatใกใฝใใใซๆธกใใใarguments้
ๅใพใใฏparseใกใฝใใใซใใฃใฆ่ฟใใใ็ตๆใฎ้
ๅๅ
ใฎ่ฆ็ด ใฎ้ ๅบใซๅฏพๅฟใใใใฎใจ่ฆใชใใพใใ
public final StringBuffer format(Object[] arguments, StringBuffer result, FieldPosition pos)
StringBufferใซใใใฉใผใใใ่ฆ็ด ใใใฉใผใใใใใใใชใใธใงใฏใใซใใฃใฆ็ฝฎใๆใใฆMessageFormatใฎใใฟใผใณใ่ฟฝๅ ใใพใใ
ๅใ
ใฎใใฉใผใใใ่ฆ็ด ใซ็ฝฎๆใใใใใญในใใฏใๆฌกใฎ่กจใฎๆๅใซไธ่ดใใ่กใง็คบใใใใใใซใใใฉใผใใใ่ฆ็ด ใฎ็พๅจใฎใตใใใฉใผใใใใจใใฉใผใใใ่ฆ็ด ใฎๅผๆฐใคใณใใใฏในใซใใarguments่ฆ็ด ใใๅพใใใพใใ ๅผๆฐใฏใargumentsใnullใงใใใใใพใใฏ่ฆ็ด ใฎๆฐใargumentIndex+1ๅใใๅฐใชใๅ ดๅใไฝฟ็จไธๅฏใงใใ
| ใตใใใฉใผใใใ | ๅผๆฐ | ใใฉใผใใใใใใใใญในใ |
|---|---|---|
| ไปปๆ | ไฝฟ็จไธๅฏ | "{" + argumentIndex + "}"
|
| ไปปๆ | null
| "null"
|
instanceof ChoiceFormat
| ไปปๆ | subformat.format(argument).indexOf('{') >= 0 ?
|
!= null
| ไปปๆ | subformat.format(argument)
|
null
| instanceof Number
| NumberFormat.getInstance(getLocale()).format(argument)
|
null
| instanceof Date
| DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, getLocale()).format(argument)
|
null
| instanceof String
| argument
|
null
| ไปปๆ | argument.toString()
|
posใnullใงใชใใใใคField.ARGUMENTใๅ็
งใใฆใใๅ ดๅใๆๅใฎใใฉใผใใใใใใๆๅญๅใฎไฝ็ฝฎใ่ฟใใใพใใ
arguments - ใใฉใผใใใใใใใพใใฏ็ฝฎใๆใใใชใใธใงใฏใใใใชใ้
ๅใresult - ใใญในใใ่ฟฝๅ ใใใไฝ็ฝฎใpos - ๅ
ฅๅใงใฏใๅฟ
่ฆใงใใใฐไฝ็ฝฎๅใใใใฃใผใซใใ ๅบๅใงใฏใใใฎไฝ็ฝฎๅใใใใฃใผใซใใฎใชใใปใใใ resultใจใใฆๆธกใใใๆๅญๅใใใใกใผใใใฉใผใใใใใใใใญในใใไปๅ ใใใIllegalArgumentException - arguments้
ๅๅ
ใฎๅผๆฐใใใใใไฝฟ็จใใใใฉใผใใใ่ฆ็ด ใซใใฃใฆไบๆธฌใใใๅใงใชใๅ ดๅใpublic static String format(String pattern, Object... arguments)
(new MessageFormat(pattern)).format(arguments, new StringBuffer(), null).toString()
pattern - ใใฟใผใณๆๅญๅarguments - ใใฉใผใใใใใใชใใธใงใฏใIllegalArgumentException - ใใฟใผใณใ็กๅนใชๅ ดๅใใพใใฏarguments้
ๅๅ
ใฎๅผๆฐใใใใใไฝฟ็จใใใใฉใผใใใ่ฆ็ด ใซใใฃใฆไบๆธฌใใใๅใงใชใๅ ดๅใpublic final StringBuffer format(Object arguments, StringBuffer result, FieldPosition pos)
StringBufferใซใใใฉใผใใใ่ฆ็ด ใใใฉใผใใใใใใใชใใธใงใฏใใซใใฃใฆ็ฝฎใๆใใฆMessageFormatใฎใใฟใผใณใ่ฟฝๅ ใใพใใ ใใใฏๆฌกใฎ่จ่ฟฐใจๅ็ญใงใใ
format((Object[]) arguments, result, pos)formatใใฏใฉในFormatarguments - ใใฉใผใใใใใใใพใใฏ็ฝฎใๆใใใชใใธใงใฏใใใใชใ้
ๅใresult - ใใญในใใ่ฟฝๅ ใใใไฝ็ฝฎใpos - ๅ
ฅๅใงใฏใๅฟ
่ฆใงใใใฐไฝ็ฝฎๅใใใใฃใผใซใใ ๅบๅใงใฏใใใฎไฝ็ฝฎๅใใใใฃใผใซใใฎใชใใปใใใ toAppendToใจใใฆๆธกใใใๆๅญๅใใใใกใใใฉใผใใใใใใใใญในใใ่ฟฝๅ ใใใIllegalArgumentException - arguments้
ๅๅ
ใฎๅผๆฐใใใใใไฝฟ็จใใใใฉใผใใใ่ฆ็ด ใซใใฃใฆไบๆธฌใใใๅใงใชใๅ ดๅใpublic AttributedCharacterIterator formatToCharacterIterator(Object arguments)
MessageFormatใฎใใฟใผใณใซๆฟๅ
ฅใใฆใAttributedCharacterIteratorใ็ๆใใพใใ ่ฟใใใAttributedCharacterIteratorใไฝฟ็จใใใจใ็ตๆใฎStringใๆง็ฏใงใใใจใจใใซใ็ตๆใฎStringใซใคใใฆใฎๆ
ๅ ฑใๅคๅฎใงใใพใใ
่ฟใใใAttributedCharacterIteratorใฎใใญในใใฏใๆฌกใฎ่จ่ฟฐใซใใฃใฆ่ฟใใใใใญในใใจๅไธใงใใ
format(arguments, new StringBuffer(), null).toString()
ใใใซใAttributedCharacterIteratorใฏใๅฐใชใใจใarguments้
ๅๅ
ใฎๅผๆฐใใใใญในใใ็ๆใใใไฝ็ฝฎใ็คบใๅฑๆงใๅซใฟใพใใ ใใใใฎๅฑๆงใฎใญใผใฏMessageFormat.Fieldๅใงใใๅฑๆงใฎๅคใฏใใใญในใใ็ๆใใใๅผๆฐใฎarguments้
ๅๅ
ใฎใคใณใใใฏในใ็คบใIntegerใชใใธใงใฏใใงใใ
MessageFormatใไฝฟ็จใใๅบๆฌใฎFormatใคใณในใฟใณในใใใฎๅฑๆง/ๅคใใ็ตๆใฎAttributedCharacterIteratorใซ้
็ฝฎใใใพใใ ใใใซใใใ็ตๆใฎStringๅ
ใฎๅผๆฐใฎไฝ็ฝฎใใใใใ ใใงใชใใใใฎๅผๆฐใใฉใฎใใฃใผใซใใซๅซใพใใฆใใใใใใใใพใใ
formatToCharacterIteratorใใฏใฉในFormatarguments - ใใฉใผใใใใใใใพใใฏ็ฝฎใๆใใใชใใธใงใฏใใใใชใ้
ๅใNullPointerException - argumentsใnullใงใใๅ ดๅใIllegalArgumentException - arguments้
ๅๅ
ใฎๅผๆฐใใใใใไฝฟ็จใใใใฉใผใใใ่ฆ็ด ใซใใฃใฆไบๆธฌใใใๅใงใชใๅ ดๅใpublic Object[] parse(String source, ParsePosition pos)
ๆณจๆ: ่งฃๆใฏใใพใใพใชๅๅ ใฎใใใซใใใพใๅไฝใใชใใใจใใใใพใใ ใใจใใฐใ
source - ่งฃๆใใๆๅญๅpos - ่งฃๆไฝ็ฝฎpublic Object[] parse(String source) throws ParseException
ใกใใปใผใธใฎ่งฃๆใฎ่ฉณ็ดฐใซใคใใฆใฏใparse(String, ParsePosition)ใกใฝใใใๅ็
งใใฆใใ ใใใ
source - ๅ
้ ญใ่งฃๆใใใStringใObject้
ๅใParseException - ๆๅฎใใใๆๅญๅใฎๅ
้ ญใ่งฃๆใงใใชใๅ ดๅใpublic Object parseObject(String source, ParsePosition pos)
ใกใฝใใใฏposใซใใฃใฆๆๅฎใใใใคใณใใใฏในใ้ๅงไฝ็ฝฎใจใใฆใใญในใใฎ่งฃๆใ่ฉฆใฟใพใใ ่งฃๆใๅฎไบใใใจใposใฎใคใณใใใฏในใฏใไฝฟ็จใใใๆๅพใฎๆๅญ(่งฃๆใงใฏใๆๅญๅใฎๆๅพใพใงใฎใในใฆใฎๆๅญใไฝฟ็จใใใใจใฏ้ใใชใ)ใฎใใจใฎใคใณใใใฏในใซๆดๆฐใใใ่งฃๆใใใใชใใธใงใฏใ้
ๅใ่ฟใใใพใใ ๆดๆฐใใใposใฏใใใฎใกใฝใใใฎๆฌกใฎๅผๅบใใฎ้ๅง็นใ็คบใใฎใซไฝฟ็จใงใใพใใ ใจใฉใผใ็บ็ใใๅ ดๅใฏใposใฎใคใณใใใฏในใฏๅคๆดใใใใใจใฉใผใ็บ็ใใๆๅญใฎใคใณใใใฏในใซposใฎใจใฉใผใปใคใณใใใฏในใ่จญๅฎใใใnullใ่ฟใใใพใใ
ใกใใปใผใธใฎ่งฃๆใฎ่ฉณ็ดฐใซใคใใฆใฏใparse(String, ParsePosition)ใกใฝใใใๅ็
งใใฆใใ ใใใ
parseObjectใใฏใฉในFormatsource - ้จๅ็ใซ่งฃๆใใใStringใpos - ไธ่จใฎใคใณใใใฏในใใใณใจใฉใผใปใคใณใใใฏในๆ
ๅ ฑใๆใคParsePositionใชใใธใงใฏใObject้
ๅใ ใจใฉใผใฎๅ ดๅใฏnullใ่ฟใใ NullPointerException - posใnullใงใใๅ ดๅใpublic Object clone()
public boolean equals(Object obj)
equalsใใฏใฉในObjectobj - ๆฏ่ผๅฏพ่ฑกใฎๅ็
งใชใใธใงใฏใใtrueใใใไปฅๅคใฎๅ ดๅใฏfalseใObject.hashCode()ใHashMappublic int hashCode()
hashCodeใใฏใฉในObjectObject.equals(java.lang.Object), System.identityHashCode(java.lang.Object) ใใฐใพใใฏๆฉ่ฝใ้ไฟก
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งใใฆใใ ใใใ ใใฎใใญใฅใกใณใใซใฏใๆฆๅฟต็ใชๆฆ่ฆใ็จ่ชใฎๅฎ็พฉใๅ้ฟๆนๆณใๆๅนใชใณใผใไพใชใฉใฎใ้็บ่
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