JavaTM 2 Platform
Standard Ed. 5.0

java.io
Ŭ·¡½º Writer

java.lang.Object 
  »óÀ§¸¦ È®Àå java.io.Writer
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Closeable, Flushable, Appendable
Á÷°èÀÇ ±âÁ¸ÀÇ ¼­ºê Ŭ·¡½º:
BufferedWriter, CharArrayWriter, FilterWriter, OutputStreamWriter, PipedWriter, PrintWriter, StringWriter

public abstract class Writer
extends Object
implements Appendable, Closeable, Flushable

¹®ÀÚ ½ºÆ®¸²¿¡ ±âÀÔÇϱâ À§ÇÑ Ãß»ó Ŭ·¡½ºÀÔ´Ï´Ù. ¼­ºê Ŭ·¡½º°¡ ±¸ÇöÇÒ Çʿ䰡 ÀÖ´Â ¸Þ¼­µå´Â write(char[], int, int), flush() ¹× close() »ÓÀÔ´Ï´Ù. ´Ù¸¸, ´ëºÎºÐÀÇ ¼­ºê Ŭ·¡½º¿¡¼­´Â È¿À²À» ÀÚÁÖ Çϵ簡 ¶Ç´Â ±â´ÉÀ» Ãß°¡ÇÏ´Â (¶Ç´Â ±× ¾çÂÊ ¸ðµÎ) À§ÇØ, ¿©±â¼­ Á¤ÀÇÇÏ´Â ¸Þ¼­µåÀÇ ÀϺθ¦ ¿À¹ö¶óÀ̵å(override) ÇÕ´Ï´Ù.

µµÀÔµÈ ¹öÁ¯:
JDK1. 1
°ü·Ã Ç׸ñ:
Writer, BufferedWriter, CharArrayWriter, FilterWriter, OutputStreamWriter, FileWriter, PipedWriter, PrintWriter, StringWriter, Reader

ÇÊµå °³¿ä
protected  Object lock
          ÀÌ ½ºÆ®¸²·Î Á¶ÀÛÀ» µ¿±â ½Ã۴µ¥ »ç¿ëÇÏ´Â ¿ÀºêÁ§Æ®ÀÔ´Ï´Ù.
 
»ý¼ºÀÚ °³¿ä
protected Writer ()
          ±× À§±â ¼½¼ÇÀÌ ¶óÀÌÅÍ ÀÚü·Î µ¿±â ÇÏ´Â »õ·Î¿î ¹®ÀÚ ½ºÆ®¸² ¶óÀÌÅ͸¦ ÀÛ¼ºÇÕ´Ï´Ù.
protected Writer (Object  lock)
          ±× À§±â ¼½¼ÇÀÌ ÁöÁ¤µÈ ¿ÀºêÁ§Æ®·Î µ¿±â ÇÏ´Â »õ·Î¿î ¹®ÀÚ ½ºÆ®¸² ¶óÀÌÅ͸¦ ÀÛ¼ºÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 Writer append (char c)
          ÀÌ ¶óÀÌÅÍ·Î ÁöÁ¤µÈ ¹®ÀÚ¸¦ Ãß°¡ÇÕ´Ï´Ù.
 Writer append (CharSequence  csq)
          ÀÌ ¶óÀÌÅÍ·Î ÁöÁ¤µÈ ¹®ÀÚ ¼ø¼­¸¦ Ãß°¡ÇÕ´Ï´Ù.
 Writer append (CharSequence  csq, int start, int end)
          ÁöÁ¤µÈ ¹®ÀÚ ¼ø¼­ÀÇ ¼­ºê ¼ø¼­¸¦ ÀÌ ¶óÀÌÅÍ¿¡ Ãß°¡ÇÕ´Ï´Ù.
abstract  void close ()
          ½ºÆ®¸²À» ´Ý¾Æ Ç÷¡½Ã ÇÕ´Ï´Ù.
abstract  void flush ()
          ½ºÆ®¸²À» Ç÷¡½Ã ÇÕ´Ï´Ù.
 void write (char[] cbuf)
          ¹®ÀÚÀÇ ¹è¿­À» ±âÀÔÇÕ´Ï´Ù.
abstract  void write (char[] cbuf, int off, int len)
          ¹®ÀÚÀÇ ¹è¿­ÀÇ ÀϺθ¦ ±âÀÔÇÕ´Ï´Ù.
 void write (int c)
          ´ÜÀÏ ¹®ÀÚ¸¦ ±âÀÔÇÕ´Ï´Ù.
 void write (String  str)
          Ä³¸¯ÅÍ ¶óÀÎÀ» ±âÀÔÇÕ´Ï´Ù.
 void write (String  str, int off, int len)
          Ä³¸¯ÅÍ ¶óÀÎÀÇ ÀϺθ¦ ±âÀÔÇÕ´Ï´Ù.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

ÇʵåÀÇ »ó¼¼

lock

protected Object  lock
ÀÌ ½ºÆ®¸²·Î Á¶ÀÛÀ» µ¿±â ½Ã۴µ¥ »ç¿ëÇÏ´Â ¿ÀºêÁ§Æ®ÀÔ´Ï´Ù. È¿À²À» ÀÚÁÖ Çϱâ À§ÇÑ, ¹®ÀÚ ½ºÆ®¸² ¿ÀºêÁ§Æ®¿¡¼­´Â ´Ù¸¥ ¿ÀºêÁ§Æ®¸¦ »ç¿ëÇØ À§±â ¼½¼ÇÀ» º¸È£ÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù. ±× ¶§¹®¿¡ ¼­ºê Ŭ·¡½º¿¡¼­´Â this ³ª µ¿±â ¸Þ¼­µå´Â ¾Æ´Ï°í, ÀÌ ÇʵåÀÇ ¿ÀºêÁ§Æ®¸¦ »ç¿ëÇÕ´Ï´Ù.

»ý¼ºÀÚ »ó¼¼

Writer

protected Writer()
±× À§±â ¼½¼ÇÀÌ ¶óÀÌÅÍ ÀÚü·Î µ¿±â ÇÏ´Â »õ·Î¿î ¹®ÀÚ ½ºÆ®¸² ¶óÀÌÅ͸¦ ÀÛ¼ºÇÕ´Ï´Ù.


Writer

protected Writer(Object  lock)
±× À§±â ¼½¼ÇÀÌ ÁöÁ¤µÈ ¿ÀºêÁ§Æ®·Î µ¿±â ÇÏ´Â »õ·Î¿î ¹®ÀÚ ½ºÆ®¸² ¶óÀÌÅ͸¦ ÀÛ¼ºÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
lock - µ¿±â ÇÏ´Â ¿ÀºêÁ§Æ®
¸Þ¼­µåÀÇ »ó¼¼

write

public void write(int c)
           throws IOException 
´ÜÀÏ ¹®ÀÚ¸¦ ±âÀÔÇÕ´Ï´Ù. ±âÀÔÇØÁö´Â ¹®ÀÚ´Â ÁöÁ¤µÈ Á¤¼öÄ¡ÀÇ ÇÏÀ§ 16 ºñÆ®¿¡ Æ÷ÇԵ˴ϴÙ. »óÀ§ 16 ºñÆ®´Â ¹«½ÃµË´Ï´Ù.

À¯È¿ÇÑ ´ÜÀÏ ¹®ÀÚÀÇ Ãâ·ÂÀ» ¼­Æ÷Æ®Çϱâ À§ÇÑ ¼­ºê Ŭ·¡½º¿¡¼­´Â ÀÌ ¸Þ¼­µå¸¦ ¿À¹ö¶óÀ̵å(override) ÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
c - ±âÀÔÇÏ´Â ¹®ÀÚ¸¦ ÁöÁ¤ÇÏ´Â int
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

write

public void write(char[] cbuf)
           throws IOException 
¹®ÀÚÀÇ ¹è¿­À» ±âÀÔÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
cbuf - ±âÀÔÇÏ´Â ¹®ÀÚÀÇ ¹è¿­
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

write

public abstract void write(char[] cbuf,
                           int off,
                           int len)
                    throws IOException 
¹®ÀÚÀÇ ¹è¿­ÀÇ ÀϺθ¦ ±âÀÔÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
cbuf - ¹®ÀÚÀÇ ¹è¿­
off - ¹®ÀÚÀÇ ±âÀÔ °³½Ã ¿ÀÇÁ¼Â(offset)
len - ±âÀÔÇÏ´Â ¹®ÀÚ¼ö
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

write

public void write(String  str)
           throws IOException 
ij¸¯ÅÍ ¶óÀÎÀ» ±âÀÔÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
str - ±âÀÔÇØÁö´Â ij¸¯ÅÍ ¶óÀÎ
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

write

public void write(String  str,
                  int off,
                  int len)
           throws IOException 
ij¸¯ÅÍ ¶óÀÎÀÇ ÀϺθ¦ ±âÀÔÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
str - ij¸¯ÅÍ ¶óÀÎ
off - ¹®ÀÚÀÇ ±âÀÔ °³½Ã ¿ÀÇÁ¼Â(offset)
len - ±âÀÔÇÏ´Â ¹®ÀÚ¼ö
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

append

public Writer  append(CharSequence  csq)
              throws IOException 
ÀÌ ¶óÀÌÅÍ·Î ÁöÁ¤µÈ ¹®ÀÚ ¼ø¼­¸¦ Ãß°¡ÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µå¸¦ out.append(csq) Çü½Ä¿¡¼­ È£ÃâÇßÀ» °æ¿ì, ´ÙÀ½ÀÇ È£Ãâ°ú °°Àº °á°ú¸¦ ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.


     out.write(csq.toString()) 

¹®ÀÚ ¼ø¼­ csq ¿¡ ´ëÇÑ toString ÁöÁ¤¿¡ ÀÀÇØ, ¼ø¼­ Àüü°¡ Ãß°¡µÇÁö ¾Ê´Â °Íµµ ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¾î, ¹®ÀÚ ¹öÆÛÀÇ toString¸¦ È£ÃâÇϸé, ³»¿ëÀÌ ¹öÆÛÀÇ À§Ä¡¿Í ¸®¹ÔÆ®¿¡ Á¸ÇÏ´Â ¼­ºê ¼ø¼­°¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Appendable ³»ÀÇ append
ÆÄ¶ó¹ÌÅÍ:
csq - Ãß°¡µÇ´Â ¹®ÀÚ ¼ø¼­. csq °¡ null °æ¿ì´Â ÀÌ ¶óÀÌÅÍ¿¡ ¡¸null¡¹¶ó°í ÇÏ´Â 4 ¹®ÀÚ°¡ Ãß°¡µÈ´Ù
¹Ýȯ°ª:
ÀÌ ¶óÀÌÅÍ
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÁ¯:
1.5

append

public Writer  append(CharSequence  csq,
                     int start,
                     int end)
              throws IOException 
ÁöÁ¤µÈ ¹®ÀÚ ¼ø¼­ÀÇ ¼­ºê ¼ø¼­¸¦ ÀÌ ¶óÀÌÅÍ¿¡ Ãß°¡ÇÕ´Ï´Ù.

csq °¡ null´Â ¾Æ´Ò ¶§¿¡ ÀÌ ¸Þ¼­µå¸¦ out.append(csq, start, end) Çü½Ä¿¡¼­ È£ÃâÇßÀ» °æ¿ì, ´ÙÀ½ÀÇ È£Ãâ°ú °°Àº °á°ú¸¦ ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.


     out.write(csq.subSequence(start, end). toString()) 

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Appendable ³»ÀÇ append
ÆÄ¶ó¹ÌÅÍ:
csq - ¼­ºê ¼ø¼­ÀÇ Ãß°¡¿øÀÇ ¹®ÀÚ ¼ø¼­. csq °¡ null À̸é, ¹®ÀÚ´Â csq ¿¡ ¡¸null¡¹¶ó°í ÇÏ´Â 4 ¹®ÀÚ°¡ Æ÷ÇԵǾî ÀÖ´Â °Í°ú °°°Ô Ãß°¡µÇ´Â
start - ¼­ºê ¼ø¼­ÀÇ ÃÖÃÊÀÇ ¹®ÀÚÀÇ À妽º
end - ¼­ºê ¼ø¼­ÀÇ ¸¶Áö¸· ¹®ÀÚÀÇ ÈÄ¿¡ °è¼ÓµÇ´Â ¹®ÀÚÀÇ À妽º
¹Ýȯ°ª:
ÀÌ ¶óÀÌÅÍ
¿¹¿Ü:
IndexOutOfBoundsException - start ¶Ç´Â end °¡ ºÎÀÇ °ªÀÇ °æ¿ì,start °¡ end º¸´Ù Å« °æ¿ì, ȤÀº end °¡ csq.length() º¸´Ù Å« °æ¿ì
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÁ¯:
1.5

append

public Writer  append(char c)
              throws IOException 
ÀÌ ¶óÀÌÅÍ·Î ÁöÁ¤µÈ ¹®ÀÚ¸¦ Ãß°¡ÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µå¸¦ out.append(c) Çü½Ä¿¡¼­ È£ÃâÇßÀ» °æ¿ì, ´ÙÀ½ÀÇ È£Ãâ°ú °°Àº °á°ú¸¦ ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.


     out.write(c) 

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Appendable ³»ÀÇ append
ÆÄ¶ó¹ÌÅÍ:
c - Ãß°¡µÇ´Â 16 ºñÆ®ÀÇ ¹®ÀÚ
¹Ýȯ°ª:
ÀÌ ¶óÀÌÅÍ
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
µµÀÔµÈ ¹öÁ¯:
1.5

flush

public abstract void flush()
                    throws IOException 
½ºÆ®¸²À» Ç÷¡½Ã ÇÕ´Ï´Ù. ½ºÆ®¸²ÀÌ write() ¸Þ¼­µå¿¡ ÇØ ±âÀÔÇØÁø ¹®ÀÚ¸¦ ¹öÆÛ¿¡ º¸Á¸µÇ¾î ÀÖ´Â °æ¿ì, ÀÌ·¯ÇÑ ¹®ÀÚÀÇ ¸ñÀûÀÇ ¼Û½ÅÁö¿¡ Áï½Ã ¹®ÀÚ¸¦ ±âÀÔÇÕ´Ï´Ù. °Ô´Ù°¡ ¼Û½ÅÁö°¡ ´Ù¸¥ ¹®ÀÚ ½ºÆ®¸² ¶Ç´Â ¹ÙÀÌÆ® ½ºÆ®¸²ÀÇ °æ¿ì´Â ÀÌ ¼Û½ÅÁö¸¦ Ç÷¡½Ã ÇÕ´Ï´Ù. Áï, 1 °³ÀÇ flush()ÀÇ È£Ãâ·Î °ü·ÃµÈ Writer ¹× OutputStream ¸ðµç ¹öÆÛ¸¦ Ç÷¡½Ã ÇÕ´Ï´Ù.

ÀÌ ½ºÆ®¸²ÀÇ ¸ñÀûÀÇ ¼Û½ÅÁö°¡, ±âº»ÀÌ µÇ´Â operating system¿¡ ÇØ Á¦°øµÇ´Â Ãß»óÈ­ ¿ÀºêÁ§Æ®ÀÎ °æ¿ì (ÆÄÀÏ µî), ½ºÆ®¸²À» Ç÷¡½Ã Çϸé, ½ºÆ®¸²¿¡ Á÷Àü¿¡ ±âÀÔÇØÁø ¹ÙÀÌÆ®¸¸ÀÌ operating system¿¡ ÀεµÇØÁ® ±âÀÔÇØÁý´Ï´Ù. µð½ºÅ© µå¶óÀ̹öµîÀÇ ¹°¸® µð¹ÙÀ̽º¿¡ ½ÇÁ¦·Î ±âÀÔÇØÁø´Ù°í´Â ÇÒ ¼ö ¾ø½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Flushable ³»ÀÇ flush
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

close

public abstract void close()
                    throws IOException 
½ºÆ®¸²À» ´Ý¾Æ Ç÷¡½Ã ÇÕ´Ï´Ù. ½ºÆ®¸²À» ÇÑ ¹ø ´ÝÀ¸¸é, ÀÌÈÄ write() ¶Ç´Â flush()¸¦ È£ÃâÇϸé, IOException °¡ Throw µË´Ï´Ù. ´Ù¸¸, Àü¿¡ ´ÝÀº ½ºÆ®¸²À» ´Ý¾Æµµ È¿°ú´Â ¾ø½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Closeable ³»ÀÇ close
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

JavaTM 2 Platform
Standard Ed. 5.0

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