JavaTM 2 Platform
Standard Ed. 5.0

javax.imageio.spi
Ŭ·¡½º ImageInputStreamSpi

java.lang.Object 
  »óÀ§¸¦ È®Àå javax.imageio.spi.IIOServiceProvider 
      »óÀ§¸¦ È®Àå javax.imageio.spi.ImageInputStreamSpi
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
RegisterableService

public abstract class ImageInputStreamSpi
extends IIOServiceProvider

ImageInputStream ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ ÀÎÅÍÆäÀ̽º (SPI)ÀÔ´Ï´Ù. ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ ÀÎÅÍÆäÀ̽ºÀÇ ÀÚ¼¼ÇÑ °ÍÀº,IIORegistry Ŭ·¡½ºÀÇ Å¬·¡½º ÄÚ¸àÆ®¸¦ ÂüÁ¶ÇϽʽÿÀ.

ÀÌ ÀÎÅÍÆäÀ̽º¿¡ ÇØ, ÀÓÀÇÀÇ ¿ÀºêÁ§Æ®¸¦ ImageInputStream ÀνºÅϽº·Î ¡¸·¦¡¹ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¾î, ¾î´À ImageInputStreamSpi´Â ¹ü¿ëÀÇ InputStream¸¦ ÀÔ·Â ¼Ò½º·Î¼­ »ç¿ëÇÒ ¼ö ÀÖ¾î ´Ù¸¥ ImageInputStreamSpi´Â URL ·ÎºÎÅÍÀÇ ÀÔ·ÂÀÌ °¡´ÉÇÕ´Ï´Ù.

ImageInputStream ÀÛ¼ºÀ» Ç÷¯±× ÀÎ °¡´ÉÇÑ ¼­ºñ½º·Î¼­ Ãë±ÞÇÏ´Â °ÍÀ¸·Î API¸¦ º¯°æÇÏÁö ¾Ê°í Àå·¡ÀÇ ÀÔ·Â ¼Ò½º¿¡ ´ëóÇÏ´Â °ÍÀÌ °¡´ÉÇÏ°Ô µË´Ï´Ù. ¶Ç, ƯÁ¤ Ç÷§Æû¿ëÀÇ ³×ÀÌÆ¼ºê ±¸ÇöµîÀÇ ÆÛÆ÷¸Õ½º°¡ ¶Ù¾î³­ ImageInputStream ±¸ÇöÀ» ÀνºÅç ÇØ, ¾îÇø®ÄÉÀ̼ÇÀ¸·Î Åõ°úÀûÀ¸·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.

°ü·Ã Ç׸ñ:
IIORegistry, ImageInputStream

ÇÊµå °³¿ä
protected  Class <? > inputClass
          createInputStreamInstance ¸Þ¼­µå·Î »ç¿ëµÇ´Â Á¤´çÇÑ ¿ÀºêÁ§Æ®ÇüÀ» ³ªÅ¸³»´Â Class ¿ÀºêÁ§Æ®ÀÔ´Ï´Ù.
 
Ŭ·¡½º javax.imageio.spi. IIOServiceProvider ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå
vendorName, version
 
»ý¼ºÀÚ °³¿ä
protected ImageInputStreamSpi ()
          °ø¹éÀÇ ImageInputStreamSpi¸¦ ±¸ÃàÇÕ´Ï´Ù.
  ImageInputStreamSpi (String  vendorName, String  version, Class <? > inputClass)
          ÁöÁ¤µÈ °ª¼¼Æ®¸¦ »ç¿ëÇØ ImageInputStreamSpi¸¦ ±¸ÃàÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 boolean canUseCacheFile ()
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÌ, ÆÛÆ÷¸Õ½º³ª ¸Þ¸ð¸® ¼Òºñ¸¦ °³¼±Çϱâ À§Çؼ­ ij½¬ ÆÄÀÏÀ» Çʿ信 µû¶ó¼­ »ç¿ëÇÒ ¼ö ÀÖ´Â °æ¿ì,true¸¦ µ¹·ÁÁÝ´Ï´Ù.
 ImageInputStream createInputStreamInstance (Object  input)
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÇ ÀνºÅϽº¸¦ µ¹·ÁÁÝ´Ï´Ù.
abstract  ImageInputStream createInputStreamInstance (Object  input, boolean useCache, File  cacheDir)
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÇ ÀνºÅϽº¸¦ µ¹·ÁÁÝ´Ï´Ù.
 Class <? > getInputClass ()
          createInputStreamInstance ¸Þ¼­µå¸¦ »ç¿ëÇØImageInputStream ³»¿¡ ¡¸·¦¡¹Çϱâ À§ÇÑ, ÀÔ·Â ¼Ò½º°¡ ±¸ÇöÇÒ Çʿ䰡 Àִ Ŭ·¡½º ¶Ç´Â ÀÎÅÍÆäÀ̽ºÀÇ ÇüŸ¦ ³ªÅ¸³»´Â Class ¿ÀºêÁ§Æ®¸¦ µ¹·ÁÁÝ´Ï´Ù.
 boolean needsCacheFile ()
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÌ Ä³½¬ File¸¦ »ç¿ëÇÒ Çʿ䰡 ÀÖ´Â °æ¿ì´Â true¸¦ µ¹·ÁÁÝ´Ï´Ù.
 
Ŭ·¡½º javax.imageio.spi. IIOServiceProvider ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
getDescription, getVendorName, getVersion, onDeregistration, onRegistration
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

ÇʵåÀÇ »ó¼¼

inputClass

protected Class <? > inputClass
createInputStreamInstance ¸Þ¼­µå·Î »ç¿ëµÇ´Â Á¤´çÇÑ ¿ÀºêÁ§Æ®ÇüÀ» ³ªÅ¸³»´Â Class ¿ÀºêÁ§Æ®ÀÔ´Ï´Ù.

»ý¼ºÀÚ »ó¼¼

ImageInputStreamSpi

protected ImageInputStreamSpi()
°ø¹éÀÇ ImageInputStreamSpi¸¦ ±¸ÃàÇÕ´Ï´Ù. ¸ðµç ¸Þ¼­µåÀÇ ÀÛ¾÷ ¹öÁ¯À» Á¦°øÇϱâ À§ÇÑ ÀνºÅϽº º¯¼öÀÇ ÃʱâÈ­³ª ¸Þ¼­µå ±¸ÇöÀÇ ¿À¹ö¶óÀ̵å(override)´Â ¼­ºê Ŭ·¡½º¿¡¼­ ½Ç½ÃÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.


ImageInputStreamSpi

public ImageInputStreamSpi(String  vendorName,
                           String  version,
                           Class <? > inputClass)
ÁöÁ¤µÈ °ª¼¼Æ®¸¦ »ç¿ëÇØ ImageInputStreamSpi¸¦ ±¸ÃàÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
vendorName - º¥´õ¸í
version - ¹öÁ¯ ½Äº°ÀÚ
inputClass - createInputStreamInstance ¸Þ¼­µå·Î »ç¿ëµÇ´Â Á¤´çÇÑ ¿ÀºêÁ§Æ®ÇüÀ» ³ªÅ¸³»´Â Class ¿ÀºêÁ§Æ®ÀÔ´Ï´Ù.
¿¹¿Ü:
IllegalArgumentException - vendorName °¡ null °æ¿ì
IllegalArgumentException - version °¡ null °æ¿ì
¸Þ¼­µåÀÇ »ó¼¼

getInputClass

public Class <? > getInputClass()
createInputStreamInstance ¸Þ¼­µå¸¦ »ç¿ëÇØImageInputStream ³»¿¡ ¡¸·¦¡¹Çϱâ À§ÇÑ, ÀÔ·Â ¼Ò½º°¡ ±¸ÇöÇÒ Çʿ䰡 Àִ Ŭ·¡½º ¶Ç´Â ÀÎÅÍÆäÀ̽ºÀÇ ÇüŸ¦ ³ªÅ¸³»´Â Class ¿ÀºêÁ§Æ®¸¦ µ¹·ÁÁÝ´Ï´Ù.

¹Ýȯ°ª¿¡´Â º¸Åë InputStream.class ³ª URL.class °¡ Æ÷ÇԵ˴ϴٸ¸, ÀÓÀÇÀÇ Å¬·¡½º¸¦ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.

¹Ýȯ°ª:
Class º¯¼ö
°ü·Ã Ç׸ñ:
createInputStreamInstance(Object, boolean, File)

canUseCacheFile

public boolean canUseCacheFile()
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÌ, ÆÛÆ÷¸Õ½º³ª ¸Þ¸ð¸® ¼Òºñ¸¦ °³¼±Çϱâ À§Çؼ­ ij½¬ ÆÄÀÏÀ» Çʿ信 µû¶ó¼­ »ç¿ëÇÒ ¼ö ÀÖ´Â °æ¿ì,true¸¦ µ¹·ÁÁÝ´Ï´Ù. false °æ¿ì,createInputStreamInstance Àμö useCache °ªÀº ¹«½ÃµË´Ï´Ù.

µðÆúÆ® ±¸ÇöÀº false¸¦ µ¹·ÁÁÝ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ·Î ÀÛ¼ºµÇ´Â ÀÔ·Â ½ºÆ®¸²·Î ij½¬ ÆÄÀÏÀ» »ç¿ë °¡´ÉÇÑ °æ¿ì´Â true

needsCacheFile

public boolean needsCacheFile()
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÌ Ä³½¬ File¸¦ »ç¿ëÇÒ Çʿ䰡 ÀÖ´Â °æ¿ì´Â true¸¦ µ¹·ÁÁÝ´Ï´Ù. true °æ¿ì,createInputStreamInstance Àμö useCache °ªÀº ¹«½ÃµË´Ï´Ù.

µðÆúÆ® ±¸ÇöÀº false¸¦ µ¹·ÁÁÝ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ ÇØ ÀÛ¼ºµÇ´Â ÀÔ·Â ½ºÆ®¸²ÀÌ Ä³½¬ ÆÄÀÏÀ» ÇÊ¿ä·Î ÇÏ´Â °æ¿ì´Â true

createInputStreamInstance

public abstract ImageInputStream  createInputStreamInstance(Object  input,
                                                           boolean useCache,
                                                           File  cacheDir)
                                                    throws IOException 
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÇ ÀνºÅϽº¸¦ µ¹·ÁÁÝ´Ï´Ù. ij½¬ ÆÄÀÏÀÇ »ç¿ëÀÌ ÀÓÀÇÀÇ °æ¿ì,useCache ÆÄ¶ó¹ÌÅͰ¡ ÂüÁ¶µË´Ï´Ù. ij½¬°¡ Çʼö, ¶Ç´Â Àû¿ëÇÒ ¼ö ¾ø´Â °æ¿ì´Â useCache °ªÀº ¹«½ÃµË´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
input - getInputClass ·ÎºÎÅÍ µ¹·ÁÁÖ°íÁö´Â Ŭ·¡½ºÇüÀÇ ¿ÀºêÁ§Æ®
useCache - ¿É¼ÇÀÌ µÇ°í ÀÖ´Â °æ¿ì¿¡ ij½¬ ÆÄÀÏÀ» »ç¿ëÇÒ ¼ö ÀÖÀ»Áö ¾î¶³Áö¸¦ ³ªÅ¸³»´Â boolean
cacheDir - ij½¬ ÆÄÀÏÀÌ ÀÛ¼ºµÇ´Â Àå¼Ò¸¦ ³ªÅ¸³»´Â File. ½Ã½ºÅÛ µð·ºÅ丮¸¦ »ç¿ëÇÏ´Â °æ¿ì´Â null
¹Ýȯ°ª:
ImageInputStream ÀνºÅϽº
¿¹¿Ü:
IllegalArgumentException - input °¡ ÀûÁ¤ÇÑ Å¬·¡½ºÀÇ ÀνºÅϽº°¡ ¾Æ´ÑÁö,null °æ¿ì
IllegalArgumentException - ij½¬ ÆÄÀÏÀÌ ÇÊ¿äÇÏÁö¸¸,cacheDir °¡ null´Â ¾Æ´Ï°í, µð·ºÅ丮µµ ¾Æ´Ñ °æ¿ì
IOException - ij½¬ ÆÄÀÏÀÌ ÇÊ¿äÇÏÁö¸¸ ÀÛ¼ºÇÒ ¼ö ¾ø´Â °æ¿ì
°ü·Ã Ç׸ñ:
getInputClass(), canUseCacheFile(), needsCacheFile()

createInputStreamInstance

public ImageInputStream  createInputStreamInstance(Object  input)
                                           throws IOException 
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageInputStream ±¸ÇöÀÇ ÀνºÅϽº¸¦ µ¹·ÁÁÝ´Ï´Ù. Çʿ信 µû¶ó¼­, ij½¬ ÆÄÀÏÀÌ ½Ã½ºÅÛ °íÀ¯ÀÇ µðÆúÆ® ÀÏ½ÃÆÄÀÏ µð·ºÅ丮¿¡ ÀÛ¼ºµË´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
input - getInputClass ·ÎºÎÅÍ µ¹·ÁÁÖ°íÁö´Â Ŭ·¡½ºÇüÀÇ ¿ÀºêÁ§Æ®
¹Ýȯ°ª:
ImageInputStream ÀνºÅϽº
¿¹¿Ü:
IllegalArgumentException - input °¡ ÀûÁ¤ÇÑ Å¬·¡½ºÀÇ ÀνºÅϽº°¡ ¾Æ´ÑÁö,null °æ¿ì
IOException - ij½¬ ÆÄÀÏÀÌ ÇÊ¿äÇÏÁö¸¸ ÀÛ¼ºÇÒ ¼ö ¾ø´Â °æ¿ì
°ü·Ã Ç׸ñ:
getInputClass()

JavaTM 2 Platform
Standard Ed. 5.0

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