|
|||||||||
ÀüÀÇ Å¬·¡½º ´ÙÀ½ÀÇ Å¬·¡½º | ÇÁ·¹ÀÓ ÀÖ¾î ÇÁ·¹ÀÓ ¾øÀ½ | ||||||||
°³¿ä: ³»ºÎ Ŭ·¡½º | Çʵå | constructor¡¡ ¡¡ | ¸Þ¼Òµå | »ó¼¼: Çʵå | constructor¡¡ ¡¡ | ¸Þ¼Òµå |
java.lang.Object | +--javax.servlet.jsp.PageContext
PageContext ÀνºÅϽº´Â, JSP ÆäÀÌÁö¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ´ø ¸ðµç À̸§ °ø°£¿¡ÀÇ ¾×¼¼½º¸¦ Á¦°øÇØ, ¸î°³ÀÇ ÆäÀÌÁö ¼Ó¼º ¿Ü¿¡, ½ÇÀåÀÇ »ó¼¼ ·¹º§ À§ÀÇ ·¹À̾ÀÇ ¾×¼¼½ºµµ Á¦°øÇÕ´Ï´Ù. ¾Ï¹¬ÀÇ ¿ÀºêÁ§Æ®°¡ PageContext ¿¡ ÀÚµ¿ÀûÀ¸·Î Ãß°¡µË´Ï´Ù.
PageContext
Ŭ·¡½º´Â abstract Ŭ·¡½ºÀ̸ç, JSP ¿£ÁøÀÇ ½ÇÇà ȯ°æ¿¡ ¸ÂÃá ½ÇÀåÀ» Á¦°øÇϱâ À§Çؼ È®ÀåÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù. PageContext ÀνºÅϽº´Â, JspFactory.getPageContext() ¸Þ¼Òµå¸¦ È£ÃâÇÏ´Â °ÍÀ¸·Î JSP ½ÇÀå Ŭ·¡½º¿¡ ÃëµæµÇ¾î JspFactory.releasePageContext()¸¦ È£ÃâÇÏ´Â °ÍÀ¸·Î ÇØ¹æµË´Ï´Ù.
JSP Page ½ÇÀå ¿ÀºêÁ§Æ®³»¿¡ ÀÖ¾î¼ÀÇ PageContext, JspFactory, ¹× ±× ¿ÜÀÇ Å¬·¡½ºÀÇ »ç¿ë¿¹´Â, º°µµ °¡¸®Åµ´Ï´Ù.
PageContext ´Â, ÆäÀÌÁö/ÄÄÆÛ³ÍÆ®ÀÇ ÀÛ¼ºÀÚ ¹× ÆäÀÌÁö ½ÇÀåÀÚ¿¡°Ô, ´ÙÀ½ÀÇ °ÍÀ» Æ÷ÇÔÇÑ ¸¹Àº ±â´ÉÀ» Á¦°øÇÕ´Ï´Ù.
ÄÁÅ×ÀÌ³Ê »ý¼º ÄÚµåÀü¿ëÀÇ ¸Þ¼Òµå
¸Þ¼Òµå¾È¿¡´Â, JSP ÆäÀÌÁö ÀÛ¼ºÀÚ³ª JSP ÅÂ±× ÇÁ·Î±×·¥ ¶óÀ̺귯¸® ÀÛ¼ºÀÚ¿¡°Ô ÀÛ¼ºµÈ Äڵ尡 ¾Æ´Ï°í, ÄÁÅ×À̳ʿ¡ »ý¼ºµÈ Äڵ忡 ÀÇÇØ »ç¿ëµÇ´Â °ÍÀ» ¸ñÀûÀ¸·Î Çϰí ÀÖ´Â °ÍÀÌ ÀÖ½À´Ï´Ù.
¶óÀÌÇÁ »çÀÌŬÀ» ¼Æ÷Æ®ÇÏ´Â ¸Þ¼Òµå´Â,initialize()
¹× release()
ÀÔ´Ï´Ù.
pushBody()
¹× popBody()
¸Þ¼Òµå¿¡ ÀÇÇØ, ÅÂ±× È®ÀåÀÇ ½ÇÀå¿¡ ÇÊ¿äÇÑ, JspWriter ½Ã³Á¹°ÀÇ ³×½ºÆ® °ü¸®¸¦ ÇÒ ¼ö ÀÖ°Ô µË´Ï´Ù.
JSP ÀÛ¼ºÀÚÀü¿ëÀÇ ¸Þ¼Òµå
¸Þ¼Òµå¾È¿¡´Â, ½ºÄÚÇÁ¸¦ ³ªÅ¸³»´Â ´Ù¾çÇÑ ¿ÀºêÁ§Æ®¿¡ÀÇ ´ÜÀÏÀûÀÎ ¾×¼¼½º¸¦ Á¦°øÇÏ´Â °ÍÀÌ ÀÖ½À´Ï´Ù. ½ÇÀåÀº Servlet ¿Í JSP ÆäÀÌÁö¿ÍÀÇ »çÀÌ¿¡ Á¤º¸¸¦ ÁÖ°í ¹Þ±â À§Çؼ(¶§¹®¿¡), ±× ½ºÄÚÇÁ¿¡ ´ëÀÀÇÏ´Â ±â¹ÝÀÇ Servlet ±â±¸¸¦ »ç¿ëÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. ÀÌ·¯ÇÑ ¸Þ¼Òµå¿¡´Â,setAttribute()
,getAttribute()
,findAttribute()
,removeAttribute()
,getAttributesScope()
, ¹× getAttributeNamesInScope()
°¡ ÀÖ½À´Ï´Ù.
´ÙÀ½ÀÇ ¸Þ¼Òµå·Î, ¾Ï¹¬ÀûÀÎ ¿ÀºêÁ§Æ®¿¡ÀÇ ¾×¼¼½º¸¦ °£´ÜÇÏ°Ô ½Ç½ÃÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù.
getOut()
,getException()
,getPage()
,getRequest()
,getResponse()
,getSession()
,getServletConfig()
, ¹× getServletContext()
´ÙÀ½ÀÇ ¸Þ¼Òµå·Î, Àü¼Û, ÀÎŬ·çµå, ¹× ¿¡·¯ 󸮰¡ ¼Æ÷Æ®µË´Ï´Ù.
forward()
,include()
, ¹× handlePageException()
ÇʵåÀÇ °³¿ä | |
static java.lang.String |
APPLICATION
PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ ServletContext ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static int |
APPLICATION_SCOPE
¾îÇø®ÄÉÀ̼ÇÀÇ ½ºÄÚÇÁ: ÁöÁ¤µÈ ÂüÁ¶´Â, °¡º£Áö ¼öÁý°¡¿¡ ÀÇÇØ ȸ¼öµÉ ¶§±îÁö, ServletContext ³»¿¡¼ ÀÌ¿ë °¡´ÉÇÕ´Ï´Ù. |
static java.lang.String |
CONFIG
PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ ServletConfig ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static java.lang.String |
EXCEPTION
ServletRequest ÀÇ ¼Ó¼º ¸®½ºÆ®¿Í PageContext ÀÇ À̸§ Å×ÀÌºí¿¡, ijġ µÇÁö ¾Ê¾Ò´ø ¿¹¿Ü¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static java.lang.String |
OUT
PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ ÇöÀçÀÇ JspWriter ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static java.lang.String |
PAGE
ÀÌ PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ Servlet ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static int |
PAGE_SCOPE
ÆäÀÌÁöÀÇ ½ºÄÚÇÁ: (µðÆúÆ®) ÁöÁ¤µÈ ÂüÁ¶´Â, ÇöÀçÀÇ Servlet.service() È£Ãâ·ÎºÎÅÍ º¹±ÍÇÒ ¶§±îÁö, ÀÌ PageContext ³»¿¡¼ ÀÌ¿ë °¡´ÉÇÕ´Ï´Ù. |
static java.lang.String |
PAGECONTEXT
À̸§ Å×ÀÌºí¿¡ PageContext ÀÚ½ÅÀ» °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static java.lang.String |
REQUEST
PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ ServletRequest ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static int |
REQUEST_SCOPE
¿ä±¸ÀÇ ½ºÄÚÇÁ: ÁöÁ¤µÈ ÂüÁ¶´Â, ÇöÀçÀÇ ¿ä±¸°¡ ¿Ï·áÇÒ ¶§±îÁö, Servlet ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø ServletRequest ·ÎºÎÅÍ ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. |
static java.lang.String |
RESPONSE
PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ ServletResponse ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static java.lang.String |
SESSION
PageContext ÀÇ À̸§ Å×ÀÌºí¿¡ HttpSession ¸¦ °Ý³³Çϱâ À§Çؼ »ç¿ëµÇ´Â À̸§ÀÔ´Ï´Ù. |
static int |
SESSION_SCOPE
¼¼¼ÇÀÇ ½ºÄÚÇÁ (ÀÌ ÆäÀÌÁö°¡ ¼¼¼Ç¿¡ °ü¿©Çϰí ÀÖ´Â °æ¿ì¿¡°Ô¸¸ À¯È¿): ÁöÁ¤µÈ ÂüÁ¶´Â, ÇØ´çÀÇ HttpSession °¡ ¹«È¿ÈµÉ ¶§±îÁö, Servlet ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø HttpSession ·ÎºÎÅÍ ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. |
constructor¡¡ ¡¡ ÀÇ °³¿ä | |
PageContext ()
|
¸Þ¼ÒµåÀÇ °³¿ä | |
abstract java.lang.Object |
findAttribute (java.lang.String name)
ÆäÀÌÁö, ¿ä±¸, ¼¼¼Ç (À¯È¿ÇÑ °æ¿ì), ¹× ¾îÇø®ÄÉÀ̼ÇÀÇ ½ºÄÚÇÁ³»¸¦ ÁöÁ¤µÈ ¼Ó¼ºÀ» ¿ä±¸ÇØ ÀÌ ¼ø¼¿¡ °Ë»öÇØ, °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø °ª ¶Ç´Â null ¸¦ µ¹·ÁÁÝ´Ï´Ù. |
abstract void |
forward (java.lang.String relativeUrlPath)
ÀÌ ¸Þ¼Òµå´Â, ÇöÀçÀÇ ServletRequest ¿Í ServletResponse ¸¦ ¾îÇø®ÄÉÀ̼dz»ÀÇ ´Ù¸¥ µ¿ÀûÀÎ ÄÄÆÛ³ÍÆ®¿¡ ¹Ù²Û´Ù, Áï Àü¼Û Çϱâ À§Çؼ »ç¿ëµË´Ï´Ù. |
abstract java.lang.Object |
getAttribute (java.lang.String name)
ÆäÀÌÁö ½ºÄÚÇÁ³»¿¡¼ À̸§¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø ¿ÀºêÁ§Æ®¸¦ µ¹·ÁÁÝ´Ï´Ù. |
abstract java.lang.Object |
getAttribute (java.lang.String name,
int scope)
ÁöÁ¤µÈ ½ºÄÚÇÁ³»¿¡¼ À̸§¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø ¿ÀºêÁ§Æ®¸¦ µ¹·ÁÁÝ´Ï´Ù. |
abstract java.util.Enumeration |
getAttributeNamesInScope (int scope)
ÁöÁ¤µÈ ½ºÄÚÇÁ³»ÀÇ ¸ðµç ¼Ó¼ºÀ» ¿°ÅÇÕ´Ï´Ù. |
abstract int |
getAttributesScope (java.lang.String name)
ÁöÁ¤µÈ ¼Ó¼ºÀÌ Á¤Àǵǰí ÀÖ´Â ½ºÄÚÇÁ¸¦ ÀÔ¼öÇÕ´Ï´Ù. |
abstract java.lang.Exception |
getException ()
¿¹¿Ü ¿ÀºêÁ§Æ® (Exception)ÀÇ ÇöÀçÀÇ °ªÀÔ´Ï´Ù. |
abstract JspWriter |
getOut ()
out ¿ÀºêÁ§Æ® (JspWriter)ÀÇ ÇöÀçÀÇ °ªÀÔ´Ï´Ù. |
abstract java.lang.Object |
getPage ()
ÆäÀÌÁö ¿ÀºêÁ§Æ® (Servlet)ÀÇ ÇöÀçÀÇ °ªÀÔ´Ï´Ù. |
abstract ServletRequest |
getRequest ()
¿ä±¸ ¿ÀºêÁ§Æ® (ServletRequest)ÀÇ ÇöÀçÀÇ °ªÀÔ´Ï´Ù. |
abstract ServletResponse |
getResponse ()
ÀÀ´ä ¿ÀºêÁ§Æ® (ServletResponse)ÀÇ ÇöÀçÀÇ °ªÀÔ´Ï´Ù. |
abstract ServletConfig |
getServletConfig ()
ServletConfig ÀνºÅϽºÀÔ´Ï´Ù. |
abstract ServletContext |
getServletContext ()
ServletContext ÀνºÅϽºÀÔ´Ï´Ù. |
abstract HttpSession |
getSession ()
¼¼¼Ç ¿ÀºêÁ§Æ® (HttpSession)ÀÇ ÇöÀçÀÇ °ªÀÔ´Ï´Ù. |
abstract void |
handlePageException (java.lang.Exception e)
ÀÌ ¸Þ¼Òµå´Â, 󸮵ÇÁö ¾Ê¾Ò´ø ÆäÀÌÁö ·¹º§ÀÇ ¿¹¿Ü°¡ ¹ß»ýÇßÀ» ¶§¿¡, ÀÌ JSP ¸¦ À§Çؼ(¶§¹®¿¡) ÁöÁ¤µÈ ¿¡·¯ ÆäÀÌÁö¸¦ Ç¥½ÃÇÕ´Ï´Ù. |
abstract void |
handlePageException (java.lang.Throwable t)
ÀÌ ¸Þ¼Òµå´Â, Throwable ¸¦ ¹Þ¾ÆµéÀÌ´Â °Í Àܴ̿ handlePageException(Exception)¿Í °°½À´Ï´Ù. |
abstract void |
include (java.lang.String relativeUrlPath)
È£ÃâÇϰí ÀÖ´Â Thread ¿¡ ÀÇÇØ 󸮵ǰí ÀÖ´Â ÇöÀçÀÇ ServletRequest ¿Í ServletResponse ÀÇ ÀϺημ ÁöÁ¤µÈ ¸®¼Ò½º°¡ 󸮵ǵµ·Ï(µíÀÌ) ÇÕ´Ï´Ù. |
abstract void |
initialize (Servlet servlet,
ServletRequest request,
ServletResponse response,
java.lang.String errorPageURL,
boolean needsSession,
int bufferSize,
boolean autoFlush)
ÃʱâȵǾî ÀÖÁö ¾ÊÀº PageContext ¸¦ ÃʱâÈÇϱâ À§Çؼ ÀÌ ¸Þ¼Òµå°¡ ºÒ·Á °©´Ï´Ù. |
JspWriter |
popBody ()
´ëÀÀÇÏ´Â pushBody()¿¡ ÀÇÇØ º¸Á¸µÈ ÀÌÀüÀÇ Ãâ·Â¿ë JspWriter ¸¦ µ¹·ÁÁÖ¾î, PageContext ¿¡ ÀÖ´Â ÆäÀÌÁö ½ºÄÚÇÁÀÇ ¼Ó¼º À̸§ °ø°£³»ÀÇ out ¼Ó¼ºÀÇ °ªÀ» °»½ÅÇÕ´Ï´Ù. |
BodyContent |
pushBody ()
»õ·Î¿î BodyContent ¿ÀºêÁ§Æ®¸¦ µ¹·ÁÁÖ¾î, ÇöÀçÀÇ Ãâ·Â¿ë JspWriter ¸¦ º¸Á¸ÇØ, PageContext ¿¡ ÀÖ´Â ÆäÀÌÁö ½ºÄÚÇÁÀÇ ¼Ó¼º À̸§ °ø°£³»ÀÇ out ¼Ó¼ºÀÇ °ªÀ» °»½ÅÇÕ´Ï´Ù. |
abstract void |
release ()
ÀÌ ¸Þ¼Òµå´Â, ¸ðµç ³»ºÎ ÂüÁ¶¸¦ ÇØ¹æÇØ, ÈÄÀÇ initialize()ÀÇ È£Ãâ·Î Àç»ç¿ëµÉ °¡´É¼º¿¡ ´ëºñÇØ PageContext ¸¦ ÁغñÇØ, PageContext ÀÇ ³»ºÎÀûÀÎ »óŸ¦ ¸®¼ÂÆ® ÇÕ´Ï´Ù. |
abstract void |
removeAttribute (java.lang.String name)
findAttribute ¿¡ ³ªÅ¸³ ½ºÄÚÇÁÀÇ ¼ø¼¿¡ ¸ðµç ½ºÄÚÇÁ¸¦ °Ë»öÇØ, ÁöÁ¤µÈ À̸§¿¡ °ü·ÃÇÏ´Â ¿ÀºêÁ§Æ®¸¦ »èÁ¦ÇÕ´Ï´Ù. |
abstract void |
removeAttribute (java.lang.String name,
int scope)
ÁöÁ¤µÈ ½ºÄÚÇÁ³»¿¡¼ ÁöÁ¤µÈ À̸§¿¡ °ü·ÃÇÏ´Â ¿ÀºêÁ§Æ® ÂüÁ¶¸¦ »èÁ¦ÇÕ´Ï´Ù. |
abstract void |
setAttribute (java.lang.String name,
java.lang.Object attribute)
ÆäÀÌÁö ½ºÄÚÇÁ ½Ã¸àƽ½º¿¡ ´ëÇØ, ÁöÁ¤µÈ À̸§À¸·Î ¿ÀºêÁ§Æ®¸¦ µî·ÏÇÕ´Ï´Ù. |
abstract void |
setAttribute (java.lang.String name,
java.lang.Object o,
int scope)
ÁöÁ¤µÈ ½ºÄÚÇÁ ½Ã¸àƽ½º¿¡ ´ëÇØ, ÁöÁ¤µÈ À̸§À¸·Î ¿ÀºêÁ§Æ®¸¦ µî·ÏÇÕ´Ï´Ù. |
Ŭ·¡½º java.lang.Object ·ÎºÎÅÍ °è½ÂÇÑ ¸Þ¼Òµå |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ÇʵåÀÇ »ó¼¼ |
public static final int PAGE_SCOPE
public static final int REQUEST_SCOPE
public static final int SESSION_SCOPE
public static final int APPLICATION_SCOPE
public static final java.lang.String PAGE
public static final java.lang.String PAGECONTEXT
public static final java.lang.String REQUEST
public static final java.lang.String RESPONSE
public static final java.lang.String CONFIG
public static final java.lang.String SESSION
public static final java.lang.String OUT
public static final java.lang.String APPLICATION
public static final java.lang.String EXCEPTION
constructor¡¡ ¡¡ ÀÇ »ó¼¼ |
public PageContext()
¸Þ¼ÒµåÀÇ »ó¼¼ |
public abstract void initialize(Servlet servlet, ServletRequest request, ServletResponse response, java.lang.String errorPageURL, boolean needsSession, int bufferSize, boolean autoFlush) throws java.io.IOException, java.lang.IllegalStateException, java.lang.IllegalArgumentException
ÃʱâȵǾî ÀÖÁö ¾ÊÀº PageContext ¸¦ ÃʱâÈÇϱâ À§Çؼ ÀÌ ¸Þ¼Òµå°¡ ºÒ·Á °©´Ï´Ù. À̰Ϳ¡ ÀÇÇØ JSP ½ÇÀå Ŭ·¡½º´Â, _jspService() ¸Þ¼Òµå³»¿¡¼ ¿ä±¸¿Í ÀÀ´ä¿¡ ¼ºñ½ºÇÒ ¶§¿¡ PageContext ¿ÀºêÁ§Æ®¸¦ »ç¿ëÇÒ ¼ö°¡ ÀÖ°Ô µË´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â Åë»ó, »óŸ¦ ÃʱâÈÇϱâ À§Çؼ JspFactory.getPageContext()·ÎºÎÅÍ ºÒ·Á °©´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â, ÃÖÃÊÀÇ JspWriter ¸¦ ÀÛ¼ºÇϱâ À§Çؼ ÇÊ¿äÇϰí, ÆäÀÌÁö ½ºÄÚÇÁ·Î Á¤ÀÇµÈ "out" ¶ó´Â À̸§À» ÀÌ »õ·Ó°Ô ÀÛ¼ºµÈ JspWriter ¿ÀºêÁ§Æ®¿¡ °ü·ÃÁþ½À´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â, ÆäÀÌÁö ¶Ç´Â ÅÂ±× ÇÁ·Î±×·¥ ¶óÀ̺귯¸®ÀÇ ÀÛ¼ºÀÚ´Â »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.
servlet
- ÀÌ PageContext ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ°í ÀÖ´Â Servletrequest
- ÀÌ Servlet ·Î ÇöÀç ó¸® ´ë»óÀÌ µÇ°í ÀÖ´Â ¿ä±¸response
- ÀÌ Servlet ·Î ÇöÀç ó¸® ´ë»óÀÌ µÇ°í ÀÖ´Â ÀÀ´äerrorPageURL
- ÆäÀÌÁö Áö½ÃÀڷκÎÅÍÀÇ errorpage ¼Ó¼ºÀÇ °ª ¶Ç´Â nullneedsSession
- ÆäÀÌÁö Áö½ÃÀڷκÎÅÍÀÇ session ¼Ó¼ºÀÇ °ªbufferSize
- ÆäÀÌÁö Áö½ÃÀڷκÎÅÍÀÇ buffer ¼Ó¼ºÀÇ °ªautoFlush
- ÆäÀÌÁö Áö½ÃÀڷκÎÅÍÀÇ autoflush ¼Ó¼ºÀÇ °ªjava.io.IOException
- JspWriter ÀÇ ÀÛ¼ºÁßjava.lang.IllegalStateException
- out °¡ ¿Ã¹Ù¸£°Ô ÃʱâȵǾî ÀÖÁö ¾ÊÀº °æ¿ìpublic abstract void release()
ÀÌ ¸Þ¼Òµå´Â, ¸ðµç ³»ºÎ ÂüÁ¶¸¦ ÇØ¹æÇØ, ÈÄÀÇ initialize()ÀÇ È£Ãâ·Î Àç»ç¿ëµÉ °¡´É¼º¿¡ ´ëºñÇØ PageContext ¸¦ ÁغñÇØ, PageContext ÀÇ ³»ºÎÀûÀÎ »óŸ¦ ¸®¼ÂÆ® ÇÕ´Ï´Ù. ÀÌ ¸Þ¼Òµå´Â Åë»ó, JspFactory.releasePageContext()·ÎºÎÅÍ ºÒ·Á °©´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â ¼ºê Ŭ·¡½º¿¡ ÀÖ¾î ½ÇÀåµË´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â, ÆäÀÌÁö ¶Ç´Â ÅÂ±× ÇÁ·Î±×·¥ ¶óÀ̺귯¸®ÀÇ ÀÛ¼ºÀÚ´Â »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.
public abstract void setAttribute(java.lang.String name, java.lang.Object attribute)
name
- ¼³Á¤ÇÏ´Â ¼Ó¼ºÀÇ À̸§attribute
- À̸§¿¡ °ü·ÃÁþ´Â ¿ÀºêÁ§Æ®java.lang.NullPointerException
- À̸§ ¶Ç´Â ¿ÀºêÁ§Æ®°¡ null ÀÇ °æ¿ìpublic abstract void setAttribute(java.lang.String name, java.lang.Object o, int scope)
name
- ¼³Á¤ÇÏ´Â ¼Ó¼ºÀÇ À̸§o
- À̸§¿¡ °ü·ÃÁþ´Â ¿ÀºêÁ§Æ®scope
- À̸§/¿ÀºêÁ§Æ®¿¡ °ü·ÃÁþ´Â ½ºÄÚÇÁjava.lang.NullPointerException
- À̸§ ¶Ç´Â ¿ÀºêÁ§Æ®°¡ null ÀÇ °æ¿ìjava.lang.IllegalArgumentException
- ½ºÄÚÇÁ°¡ ¹«È¿ÀÎ °æ¿ìpublic abstract java.lang.Object getAttribute(java.lang.String name)
name
- ÀÔ¼öÇÏ´Â ¼Ó¼ºÀÇ À̸§java.lang.NullPointerException
- À̸§ÀÌ null ÀÇ °æ¿ìjava.lang.IllegalArgumentException
- ½ºÄÚÇÁ°¡ ¹«È¿ÀÎ °æ¿ìpublic abstract java.lang.Object getAttribute(java.lang.String name, int scope)
name
- ¼³Á¤ÇÏ´Â ¼Ó¼ºÀÇ À̸§scope
- À̸§/¿ÀºêÁ§Æ®¿¡ °ü·ÃÁþ´Â ½ºÄÚÇÁjava.lang.NullPointerException
- À̸§ÀÌ null ÀÇ °æ¿ìjava.lang.IllegalArgumentException
- ½ºÄÚÇÁ°¡ ¹«È¿ÀÎ °æ¿ìpublic abstract java.lang.Object findAttribute(java.lang.String name)
public abstract void removeAttribute(java.lang.String name)
name
- »èÁ¦ÇÏ´Â ¿ÀºêÁ§Æ®ÀÇ À̸§public abstract void removeAttribute(java.lang.String name, int scope)
name
- »èÁ¦ÇÏ´Â ¿ÀºêÁ§Æ®ÀÇ À̸§scope
- °Ë»öÇÏ´Â ½ºÄÚÇÁpublic abstract int getAttributesScope(java.lang.String name)
public abstract java.util.Enumeration getAttributeNamesInScope(int scope)
public abstract JspWriter getOut()
public abstract HttpSession getSession()
public abstract java.lang.Object getPage()
public abstract ServletRequest getRequest()
public abstract ServletResponse getResponse()
public abstract java.lang.Exception getException()
public abstract ServletConfig getServletConfig()
public abstract ServletContext getServletContext()
public abstract void forward(java.lang.String relativeUrlPath) throws ServletException , java.io.IOException
ÀÌ ¸Þ¼Òµå´Â, ÇöÀçÀÇ ServletRequest ¿Í ServletResponse ¸¦ ¾îÇø®ÄÉÀ̼dz»ÀÇ ´Ù¸¥ µ¿ÀûÀÎ ÄÄÆÛ³ÍÆ®¿¡ ¹Ù²Û´Ù, Áï Àü¼Û Çϱâ À§Çؼ »ç¿ëµË´Ï´Ù.
relativeUrlPath ´Â "/" ·Î ½ÃÀ۵Ǿî, ÁöÁ¤µÇ´Â URL ´Â, ÀÌ JSP ÀÇ ServletContext
ÀÇ DOCROOT ¿¡ ´ëÇÑ ÆÐ½º·Î ÇØ¼ Ãë±ÞµË´Ï´Ù. ÆÐ½º°¡ "/" ·Î ½ÃÀÛµÇÁö ¾ÊÀº °æ¿ì, ÁöÁ¤µÈ URL ´Â, È£ÃâÇϰí ÀÖ´Â JSP ¿¡ ¸ÅÇÎ µÈ ¿ä±¸ÀÇ URL ¿¡ ´ëÇÑ »ó´ë ÆÐ½º·Î ÇØ¼ °è»êµË´Ï´Ù.
JSP ÀÇ _jspService(...)
¸Þ¼Òµå³»¿¡¼ ½ÇÇàÁßÀÇ Thread
·ÎºÎÅÍ ÀÌ ¸Þ¼Òµå¸¦ È£ÃâÇÏ´Â °æ¿ì¸¸ÀÌ À¯È¿ÇÕ´Ï´Ù.
ÀÌ ¸Þ¼Òµå°¡ Á¤»óÀûÀ¸·Î ºÒ·Á °£ ÈÄ´Â, È£ÃâÇϰí ÀÖ´Â Thread
°¡ ServletResponse
¿ÀºêÁ§Æ®¸¦ º¯°æÇÏ·Á°í ÇÏ´Â °ÍÀº ºÎ´çÇÕ´Ï´Ù. ±×·¯ÇÑ ½ÃÇà¿¡ ÀÇÇØ ÀϾ´Â µ¿ÀÛÀº, ºÎÁ¤ÀÔ´Ï´Ù. È£ÃâÃøÀº Åë»ó, ÀÌ ¸Þ¼Òµå¸¦ È£ÃâÇÑ ÈÄ¿¡ Áï½Ã _jspService(...)
(À¸)·ÎºÎÅÍ º¹±ÍÇÕ´Ï´Ù.
relativeUrlPath
- »ó¿¡¼ ¼³¸íÇÑ Å¸°Ù ¸®¼Ò½º¿¡ÀÇ »ó´ë URL ÆÐ½º¸¦ ÁöÁ¤ÇÏ´ÂServletException
- java.io.IOException
- java.lang.IllegalArgumentException
- Ÿ°Ù ¸®¼Ò½ºÀÇ URL °¡ ÇØ°á ºÒ´ÉÀÎ °æ¿ìjava.lang.IllegalStateException
- ServletResponse
°¡ Àü¼ÛÀ» ½ÇÇàÇÒ ¼ö ÀÖ´Â »óÅ¿¡ ¾ø´Â °æ¿ìjava.lang.SecurityException
- Ÿ°Ù ¸®¼Ò½º°¡ È£ÃâÇØ Ãø¿¡¾ß´Â ¾×¼¼½º ÇÒ ¼ö ¾ø´Â °æ¿ìpublic abstract void include(java.lang.String relativeUrlPath) throws ServletException , java.io.IOException
È£ÃâÇϰí ÀÖ´Â Thread ¿¡ ÀÇÇØ 󸮵ǰí ÀÖ´Â ÇöÀçÀÇ ServletRequest ¿Í ServletResponse ÀÇ ÀϺημ ÁöÁ¤µÈ ¸®¼Ò½º°¡ 󸮵ǵµ·Ï(µíÀÌ) ÇÕ´Ï´Ù. ¿ä±¸¸¦ ó¸®Çϰí Àִ Ÿ°Ù ¸®¼Ò½ºÀÇ Ãâ·ÂÀº, ServletResponse Ãâ·Â ½Ã³Á¹°¿¡ Á÷Á¢ ½á³»Áý´Ï´Ù.
ÀÌ JSP ÀÇ ÇöÀçÀÇ JspWriter ÀÇ Ãâ·ÂÀº, È¥ÀâÀ» ó¸®Çϱâ Àü¿¡ ÀÌ È£ÃâÀÇ ºÎÀÛ¿ëÀ¸·Î¼ Ç÷¡½Ã µË´Ï´Ù.
relativeUrlPath ´Â "/" ·Î ½ÃÀ۵Ǿî, ÁöÁ¤µÇ´Â URL ´Â, ÀÌ JSP ÀÇ ServletContext
ÀÇ DOCROOT ¿¡ ´ëÇÑ ÆÐ½º·Î ÇØ¼ Ãë±ÞµË´Ï´Ù. ÆÐ½º°¡ "/" ·Î ½ÃÀÛµÇÁö ¾ÊÀº °æ¿ì, ÁöÁ¤µÈ URL ´Â, È£ÃâÇϰí ÀÖ´Â JSP ¿¡ ¸ÅÇÎ µÈ ¿ä±¸ÀÇ URL ¿¡ ´ëÇÑ »ó´ë ÆÐ½º·Î ÇØ¼ Ãë±ÞµË´Ï´Ù.
JSP ÀÇ _jspService(...)
¸Þ¼Òµå³»¿¡¼ ½ÇÇàÁßÀÇ Thread
·ÎºÎÅÍ ÀÌ ¸Þ¼Òµå¸¦ È£ÃâÇÏ´Â °æ¿ì¸¸ÀÌ À¯È¿ÇÕ´Ï´Ù.
relativeUrlPath
- ¹Þ¾Æµé¿©Áö´Â Ÿ°Ù ¸®¼Ò½º¿¡ÀÇ »ó´ë URL ÆÐ½º¸¦ ÁöÁ¤ÇÏ´ÂServletException
- java.io.IOException
- java.lang.IllegalArgumentException
- Ÿ°Ù ¸®¼Ò½ºÀÇ URL °¡ ÇØ°á ºÒ´ÉÀÎ °æ¿ìjava.lang.SecurityException
- Ÿ°Ù ¸®¼Ò½º°¡ È£ÃâÇØ Ãø¿¡¾ß´Â ¾×¼¼½º ÇÒ ¼ö ¾ø´Â °æ¿ìpublic abstract void handlePageException(java.lang.Exception e) throws ServletException , java.io.IOException
ÀÌ ¸Þ¼Òµå´Â, 󸮵ÇÁö ¾Ê¾Ò´ø ÆäÀÌÁö ·¹º§ÀÇ ¿¹¿Ü°¡ ¹ß»ýÇßÀ» ¶§¿¡, ÀÌ JSP ¸¦ À§Çؼ(¶§¹®¿¡) ÁöÁ¤µÈ ¿¡·¯ ÆäÀÌÁö¸¦ Ç¥½ÃÇÕ´Ï´Ù. ¾Æ¹«°Íµµ ÁöÁ¤µÇÁö ¾Ê¾Ò´ø °æ¿ì´Â ÇϵîÀÇ ½ÇÀå¿¡ ÀÇÁ¸ÇÑ Ã³Ä¡¸¦ ½ÇÇàÇÕ´Ï´Ù.
JSP ½ÇÀå Ŭ·¡½º´Â, Åë»óÀº ·ÎÄÃÀÎ »óŸ¦ Ŭ¸®¾î ÇÑ ÈÄ¿¡ ÀÌ ¸Þ¼Òµå¸¦ È£ÃâÇØ, È£ÃâÇÑ ÈÄ´Â Áï½Ã Á¾·áÇÕ´Ï´Ù. Ŭ¶óÀÌ¾ðÆ®¿¡ ´ëÇØ¼, ÇϵîÀÇ Ãâ·ÂÀ» »ý¼ºÇϰųª ÀÌ È£ÃâÀ» ±âµ¿ÇÑ ÈÄ¿¡ ServletResponse »óŸ¦ º¯°æÇÏ´Â °ÍÀº ºÎÁ¤ÇÕ´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â, ÇÏÀ§ ȣȯ¼ºÀ» À¯ÁöÇÑ´Ù°í ÇÏ´Â ÀÌÀ¯·Î À¯ÁöµÇ°í ÀÖ½À´Ï´Ù. »õ·Ó°Ô »ý¼ºµÇ´Â ÄÚµå´Â, PageContext.handlePageException(Throwable)¸¦ »ç¿ëÇØ ÁÖ¼¼¿ä.
e
- ó¸® ´ë»óÀÌ µÇ´Â ¿¹¿ÜServletException
- java.io.IOException
- java.lang.NullPointerException
- ¿¹¿Ü°¡ null ÀÇ °æ¿ìjava.lang.SecurityException
- Ÿ°Ù ¸®¼Ò½º°¡ È£ÃâÇØ Ãø¿¡¾ß´Â ¾×¼¼½º ÇÒ ¼ö ¾ø´Â °æ¿ìhandlePageException(Throwable)
public abstract void handlePageException(java.lang.Throwable t) throws ServletException , java.io.IOException
ÀÌ ¸Þ¼Òµå´Â, Throwable ¸¦ ¹Þ¾ÆµéÀÌ´Â °Í Àܴ̿ handlePageException(Exception)¿Í °°½À´Ï´Ù. À̰ÍÀº, errorpage ÀÇ Àǹ̸¦ ¿Ã¹Ù¸£°Ô ½ÇÀåÇϱâ À§ÇØ(¶§¹®¿¡), ¿ì¼±ÀûÀ¸·Î »ç¿ëÇØ¾ß ÇÒ ¸Þ¼ÒµåÀÔ´Ï´Ù.
ÀÌ ¸Þ¼Òµå´Â, 󸮵ÇÁö ¾Ê¾Ò´ø ÆäÀÌÁö ·¹º§ÀÇ ¿¹¿Ü°¡ ¹ß»ýÇßÀ» ¶§¿¡, ÀÌ JSP ¸¦ À§Çؼ(¶§¹®¿¡) ÁöÁ¤µÈ ¿¡·¯ ÆäÀÌÁö¸¦ Ç¥½ÃÇÕ´Ï´Ù. ¾Æ¹«°Íµµ ÁöÁ¤µÇÁö ¾Ê¾Ò´ø °æ¿ì´Â ÇϵîÀÇ ½ÇÀå¿¡ ÀÇÁ¸ÇÑ Ã³Ä¡¸¦ ½ÇÇàÇÕ´Ï´Ù.
JSP ½ÇÀå Ŭ·¡½º´Â, Åë»óÀº ·ÎÄÃÀÎ »óŸ¦ Ŭ¸®¾î ÇÑ ÈÄ¿¡ ÀÌ ¸Þ¼Òµå¸¦ È£ÃâÇØ, È£Ãâ ÈÄ´Â Áï½Ã Á¾·áÇÕ´Ï´Ù. Ŭ¶óÀÌ¾ðÆ®¿¡ ´ëÇØ¼ ÇϵîÀÇ Ãâ·ÂÀ» »ý¼ºÇϰųª ÀÌ È£ÃâÀ» ±âµ¿ÇÑ ÈÄ¿¡ ServletResponse »óŸ¦ º¯°æÇÏ´Â °ÍÀº ºÎÁ¤ÇÕ´Ï´Ù.
t
- ó¸® ´ë»óÀÇ throwableServletException
- java.io.IOException
- java.lang.NullPointerException
- ¿¹¿Ü°¡ null ÀÇ °æ¿ìjava.lang.SecurityException
- Ÿ°Ù ¸®¼Ò½º°¡ È£ÃâÇØ Ãø¿¡¾ß´Â ¾×¼¼½º ÇÒ ¼ö ¾ø´Â °æ¿ìhandlePageException(Exception)
public BodyContent pushBody()
public JspWriter popBody()
|
|||||||||
ÀüÀÇ Å¬·¡½º ´ÙÀ½ÀÇ Å¬·¡½º | ÇÁ·¹ÀÓ ÀÖ¾î ÇÁ·¹ÀÓ ¾øÀ½ | ||||||||
°³¿ä: ³»ºÎ Ŭ·¡½º | Çʵå | constructor¡¡ ¡¡ | ¸Þ¼Òµå | »ó¼¼: Çʵå | constructor¡¡ ¡¡ | ¸Þ¼Òµå |