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JavaTM 2 Platform Standard Ed. 5.0 |
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ÀÌÀü Ŭ·¡½º ´ÙÀ½ Ŭ·¡½º | ÇÁ·¹ÀÓÀ¸·Î ÇÁ·¹ÀÓ ¾øÀÌ | |||||||||
°³¿ä: NESTED | Çʵå | constructor | ¸Þ¼µå | »ó¼¼: Çʵå | »ý¼ºÀÚ | ¸Þ¼µå |
java.lang.Objectjava.io.InputStream
java.io.ByteArrayInputStream
public class ByteArrayInputStream
ByteArrayInputStream
´Â
½ºÆ®¸²·ÎºÎÅÍ ÀÐÈù ¹ÙÀÌÆ®¸¦ Æ÷ÇÔÇÏ´Â ³»ºÎ ¹öÆÛ¸¦ º¸°ü À¯ÁöÇϰí ÀÖ½À´Ï´Ù. ³»ºÎ Ä«¿îÅÍ¿¡
ÇØ,read
¸Þ¼µå·Î ´ÙÀ½¿¡ ÀÐÈ÷´Â ¹ÙÀÌÆ®¸¦ ÃßÀûÇÕ´Ï´Ù.
ByteArrayInputStream¸¦ ´Ý¾Æµµ, ¾Æ¹«°Íµµ º¯È´Â ¾ø½À´Ï´Ù. ½ºÆ®¸²À» ´ÝÀº µÚ¿¡ ÀÌ Å¬·¡½ºÀÇ ¸Þ¼µå¸¦ È£ÃâÇØµµ,IOException´Â »ý¼ºµÇÁö ¾Ê½À´Ï´Ù.
StringBufferInputStream
ÇÊµå °³¿ä | |
---|---|
protected byte[] |
buf
½ºÆ®¸²ÀÇ ÀÛ¼º Ãø¿¡¾ß´Â Á¦°øµÈ ¹ÙÀÌÆ®ÀÇ ¹è¿ÀÔ´Ï´Ù. |
protected int |
count
ÀÔ·Â ½ºÆ®¸²ÁßÀÇ ¸¶Áö¸· À¯È¿ ¹®ÀÚ À§Ä¡º¸´Ù 1 °³ Å« °ªÀ» °¡Áö´Â À妽ºÀÔ´Ï´Ù. |
protected int |
mark
½ºÆ®¸² ¾È¿¡¼, ÇöÀç ¸¶Å©°¡ ¼³Á¤µÇ¾î ÀÖ´Â À§Ä¡¸¦ ³ªÅ¸³À´Ï´Ù. |
protected int |
pos
ÀÔ·Â ½ºÆ®¸² ¹öÆÛ·ÎºÎÅÍ ´ÙÀ½¿¡ ÀоîµéÀÌ´Â ¹®ÀÚ À§Ä¡¸¦ ³ªÅ¸³»´Â À妽ºÀÔ´Ï´Ù. |
»ý¼ºÀÚ °³¿ä | |
---|---|
ByteArrayInputStream (byte[] buf)
buf ¸¦
¹öÆÛ ¹è¿·Î¼ »ç¿ëÇϵµ·Ï,ByteArrayInputStream ¸¦
ÀÛ¼ºÇÕ´Ï´Ù. |
|
ByteArrayInputStream (byte[] buf,
int offset,
int length)
buf ¸¦
¹öÆÛ ¹è¿·Î¼ »ç¿ëÇϵµ·Ï,ByteArrayInputStream ¸¦
ÀÛ¼ºÇÕ´Ï´Ù. |
¸Þ¼µå °³¿ä | |
---|---|
int |
available ()
ºí·Ï ÇÏÁö ¾Ê°í ÀÔ·Â ½ºÆ®¸²·ÎºÎÅÍ ÀоîµéÀÏ ¼ö°¡ ÀÖ´Â ¹ÙÀÌÆ®¼ö¸¦ µ¹·ÁÁÝ´Ï´Ù. |
void |
close ()
ByteArrayInputStream¸¦ ´Ý¾Æµµ, ¾Æ¹«°Íµµ º¯È´Â ¾ø½À´Ï´Ù. |
void |
mark (int readAheadLimit)
½ºÆ®¸²¿¡ ÇöÀçÀÇ ¸¶Å© À§Ä¡¸¦ ¼³Á¤ÇÕ´Ï´Ù. |
boolean |
markSupported ()
ÀÌ InputStream °¡ ¸¶Å©/¸®¼ÂÆ®¸¦ Áö¿øÇÒÁö ¾î¶³Áö¸¦ Å×½ºÆ®ÇÕ´Ï´Ù. |
int |
read ()
ÀÌ ÀÔ·Â ½ºÆ®¸²ÀÇ µ¥ÀÌÅÍÀÇ ´ÙÀ½ÀÇ ¹ÙÀÌÆ®¸¦ ÀоîµéÀÔ´Ï´Ù. |
int |
read (byte[] b,
int off,
int len)
ÀÔ·Â ½ºÆ®¸²·ÎºÎÅÍ ÃÖ´ë len ¹ÙÀÌÆ®ÀÇ µ¥ÀÌÅ͸¦ ¹ÙÀÌÆ® ¹è¿¿¡ ÀоîµéÀÔ´Ï´Ù. |
void |
reset ()
¸¶Å© À§Ä¡¿¡ ¹öÆÛ¸¦ ¸®¼ÂÆ® ÇÕ´Ï´Ù. |
long |
skip (long n)
ÀÔ·Â ½ºÆ®¸²·ÎºÎÅÍÀÇ ÀÔ·ÂÀ» n ¹ÙÀÌÆ®ºÐ ½ºÅµ ÇÕ´Ï´Ù. |
Ŭ·¡½º java.io. InputStream ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼µå |
---|
read |
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼µå |
---|
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
ÇʵåÀÇ »ó¼¼ |
---|
protected byte[] buf
buf[0]
~ buf[count-1]
¹üÀ§³»ÀÇ ¿ä¼Ò »ÓÀÔ´Ï´Ù. ´ÙÀ½¿¡ ÀÐÈ÷´Â ¹ÙÀÌÆ®´Â ¿ä¼Ò buf[pos]
ÀÔ´Ï´Ù.
protected int pos
count
°ªº¸´Ù Ä¿µµ ¾ÈµË´Ï´Ù. ÀÔ·Â ½ºÆ®¸² ¹öÆÛ·ÎºÎÅÍ ÀÐÈ÷´Â ´ÙÀ½ÀÇ ¹ÙÀÌÆ®´Â
buf[pos]
°¡ µË´Ï´Ù.
protected int mark
mark()
¸Þ¼µå¿¡
ÇØ ¹öÆÛ³»¿ÜÀÇ À§Ä¡¿¡ ¸¶Å©¸¦ ¼³Á¤ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¹öÆÛÀÇ ÇöÀç À§Ä¡´Â
reset()
¸Þ¼µå¿¡
ÇØ ÀÌ Á¤µµÄ¡·Î ¼³Á¤µË´Ï´Ù.
¸¶Å©°¡ ¼³Á¤µÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì, ¸¶Å©ÀÇ °ªÀº »ý¼ºÀÚ¿¡°Ô °Ç³×Áø ¿ÀÇÁ¼Â(offset)°¡ µË´Ï´Ù (¿ÀÇÁ¼Â(offset)°¡ °Ç³×¹ÞÁö ¾Ê´Â °æ¿ì´Â 0).
protected int count
buf
±æÀ̺¸´Ù Ä¿µµ ¾ÈµË´Ï´Ù. À̰ÍÀº, ÀÔ·Â ½ºÆ®¸² ¹öÆÛ·ÎºÎÅÍ ÀÐÈ÷´Â buf
³»ÀÇ ¸¶Áö¸· ¹ÙÀÌÆ® À§Ä¡¿¡¼(º¸´Ù) 1 °³ Å« °ªÀÔ´Ï´Ù.
»ý¼ºÀÚ »ó¼¼ |
---|
public ByteArrayInputStream(byte[] buf)
buf
¸¦
¹öÆÛ ¹è¿·Î¼ »ç¿ëÇϵµ·Ï,ByteArrayInputStream
¸¦
ÀÛ¼ºÇÕ´Ï´Ù. ¹öÆÛ ¹è¿Àº Ä«ÇǵÇÁö ¾Ê½À´Ï´Ù. pos
ÃʱâÄ¡´Â 0
À¸·Îcount
ÃʱâÄ¡´Â buf
±æÀÌÀÔ´Ï´Ù.
buf
- ÀÔ·Â ¹öÆÛpublic ByteArrayInputStream(byte[] buf, int offset, int length)
buf
¸¦
¹öÆÛ ¹è¿·Î¼ »ç¿ëÇϵµ·Ï,ByteArrayInputStream
¸¦
ÀÛ¼ºÇÕ´Ï´Ù. pos
ÃʱâÄ¡´Â offset
·Îcount
ÃʱâÄ¡´Â offset+length
³ª buf.length
¾ðÁ¨°¡ ÀÛÀº ºôÆ®ÀδϴÙ. ¹öÆÛ ¹è¿Àº Ä«ÇǵÇÁö ¾Ê½À´Ï´Ù. ¹öÆÛÀÇ ¸¶Å©´Â ÁöÁ¤ÇÑ ¿ÀÇÁ¼Â(offset)·Î ¼³Á¤µË´Ï´Ù.
buf
- ÀÔ·Â ¹öÆÛoffset
- ¹öÆÛ·ÎºÎÅÍÀÇ ¹ÙÀÌÆ® read °³½Ã ¿ÀÇÁ¼Â(offset)length
- ¹öÆÛ·ÎºÎÅÍ ÀоîµéÀÌ´Â ÃÖ´ë ¹ÙÀÌÆ®¼ö¸Þ¼µåÀÇ »ó¼¼ |
---|
public int read()
0
~ 255
¹üÀ§ÀÇ int
·Î¼ µ¹·ÁÁÖ°íÁý´Ï´Ù. ½ºÆ®¸²ÀÇ ¸¶Áö¸·¿¡ À̸£·¶±â ¶§¹®¿¡ »ç¿ëÇÒ ¼ö ÀÖ´Â ¹ÙÀÌÆ®°¡ ¾ø´Â °æ¿ì´Â
°ª -1
ÀÌ µ¹·ÁÁÖ°íÁý´Ï´Ù.
ÀÌ read
¸Þ¼µå´Â ºí·Ï ÇÒ ¼ö ¾ø½À´Ï´Ù.
InputStream
³»ÀÇ read
-1
public int read(byte[] b, int off, int len)
len
¹ÙÀÌÆ®ÀÇ µ¥ÀÌÅ͸¦ ¹ÙÀÌÆ® ¹è¿¿¡ ÀоîµéÀÔ´Ï´Ù. pos
°¡ count
¿Í ÀÏÄ¡ÇÏ´Â °æ¿ì´Â
ÆÄÀÏÀÇ ¸¶Áö¸·¿¡ À̸¥ °ÍÀ» ³ªÅ¸³»´Â -1
ÀÌ µ¹·ÁÁÖ°íÁý´Ï´Ù. ±×·¸Áö ¾ÊÀº °æ¿ì´Â
ÀÐÈ÷´Â ¹ÙÀÌÆ®¼ö k
´Â
len
¿Í count-pos
°¡¿îµ¥ ¾î´À ÂÊÀÎÁö ÀÛÀº Æí¿¡ ÀÏÄ¡ÇÕ´Ï´Ù. k
°¡ Á¤ÀÇ °ªÀÇ °æ¿ì,buf[pos]
~ buf[pos+k-1]
¹üÀ§³»ÀÇ ¹ÙÀÌÆ®°¡,System.arraycopy
¿¡
ÇØ ½ÇÇàµÇ´Â ¹æ¹ýÀ¸·Î b[off]
~ b[off+k-1]
¿¡ Ä«Çǵ˴ϴÙ. °ª k
°¡ pos
¿¡ ´õÇØÁ®k
°¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.
ÀÌ read
¸Þ¼µå´Â ºí·Ï ÇÒ ¼ö ¾ø½À´Ï´Ù.
InputStream
³»ÀÇ read
b
- µ¥ÀÌÅÍÀÇ readóÀÇ ¹öÆÛoff
- µ¥ÀÌÅÍÀÇ °³½Ã ¿ÀÇÁ¼Â(offset)len
- ÀÐÈ÷´Â ÃÖ´ë ¹ÙÀÌÆ®¼ö
-1
InputStream.read()
public long skip(long n)
n
¹ÙÀÌÆ®ºÐ ½ºÅµ ÇÕ´Ï´Ù. ½ºÆ®¸²ÀÇ ¸¶Áö¸·¿¡ À̸£·¶À» °æ¿ì´Â
ÁöÁ¤º¸´Ù ÀûÀº ¼ö¸¸Å ½ºÅµ µÇ´Â ÀÏÀÌ ÀÖ½À´Ï´Ù. ½ÇÁ¦·Î ½ºÅµ µÇ´Â ¹ÙÀÌÆ®¼ö k
´Â
n
¿Í count-pos
°¡¿îµ¥ ¾î´À ÂÊÀÎÁö ÀÛÀº Æí¿¡ ÀÏÄ¡ÇÕ´Ï´Ù. °ª k
°¡ pos
¿¡ ´õÇØÁ®k
°¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.
InputStream
³»ÀÇ skip
n
- ½ºÅµ ÇÏ´Â ¹ÙÀÌÆ®¼ö
public int available()
count - pos
·Î ÀÔ·Â ¹öÆÛ·ÎºÎÅÍ ÀоîµéÀÌ´Â ³ª¸ÓÁöÀÇ ¹ÙÀÌÆ®¼ö¸¦ ³ªÅ¸³À´Ï´Ù.
InputStream
³»ÀÇ available
public boolean markSupported()
InputStream
°¡ ¸¶Å©/¸®¼ÂÆ®¸¦ Áö¿øÇÒÁö ¾î¶³Áö¸¦ Å×½ºÆ®ÇÕ´Ï´Ù. ByteArrayInputStream
markSupported
¸Þ¼µå´Â Ç×»ó true
¸¦
µ¹·ÁÁÝ´Ï´Ù.
InputStream
³»ÀÇ markSupported
true
, Áö¿øÇϰí ÀÖÁö ¾Ê´Â °æ¿ì´Â false
InputStream.mark(int)
,
InputStream.reset()
public void mark(int readAheadLimit)
¸¶Å©°¡ ¼³Á¤µÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì, ¸¶Å©ÀÇ °ªÀº »ý¼ºÀÚ¿¡°Ô °Ç³×Áø ¿ÀÇÁ¼Â(offset)°¡ µË´Ï´Ù (¿ÀÇÁ¼Â(offset)°¡ °Ç³×¹ÞÁö ¾Ê´Â °æ¿ì´Â 0).
ÁÖ: ÀÌ Å¬·¡½ºÀÇ readAheadLimit
¿¡
¹Ì´Â ¾ø½À´Ï´Ù.
InputStream
³»ÀÇ mark
readAheadLimit
- ¸¶Å© À§Ä¡°¡ ¹«È¿°¡ µÇ±â Àü¿¡ Àоîµé¿© °¡´ÉÇÑ ¹ÙÀÌÆ®ÀÇ ÃÖ´ë ¸®¹ÔÆ®InputStream.reset()
public void reset()
InputStream
³»ÀÇ reset
InputStream.mark(int)
,
IOException
public void close() throws IOException
Closeable
³»ÀÇ close
InputStream
³»ÀÇ close
IOException
- ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
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JavaTM 2 Platform Standard Ed. 5.0 |
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ÀÌÀü Ŭ·¡½º ´ÙÀ½ Ŭ·¡½º | ÇÁ·¹ÀÓÀ¸·Î ÇÁ·¹ÀÓ ¾øÀÌ | |||||||||
°³¿ä: NESTED | Çʵå | constructor | ¸Þ¼µå | »ó¼¼: Çʵå | »ý¼ºÀÚ | ¸Þ¼µå |
Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms . Documentation Redistribution Policy µµ ÂüÁ¶ÇϽʽÿÀ.