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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.Objectjavax.security.auth.Subject
public final class Subject
Subject
´Â
°³ÀεîÀÇ ´ÜÀÏ ¿£Æ¼Æ¼¿¡ °üÇÑ °ü·Ã Á¤º¸¸¦ ±×·ìÈ ÇÑ °ÍÀÔ´Ï´Ù. ÀÌ·± Á¾·ùÀÇ Á¤º¸¿¡´Â Subject
½Äº° Á¤º¸³ª, ½ÃÅ¥·¯Æ¼ °ü·ÃÀÇ ¼Ó¼º (ÆÐ½º¿öµå³ª ¾ÏÈ£È۵î)ÀÌ Æ÷ÇԵ˴ϴÙ.
Subject´Â
º¹¼öÀÇ ½Äº° Á¤º¸¸¦ °¡Áö´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. °¢°¢ÀÇ ½Äº° Á¤º¸´Â Subject
³»ÀÇ Principal
·Î
³ªÅ¸³»Áý´Ï´Ù. Principal´Â ´ÜÁö À̸§À» Subject
¿¡ ¹ÙÀεå Çϰí ÀÖÀ» »ÓÀÔ´Ï´Ù. ¿¹¸¦ µé¾î
Alice ¶ó°í ÇÏ´Â °³ÀÎÀÇ Subject
¿¡´Â Alice
¿îÀü ¸éÇãÁõÀÇ À̸§ ¡¸Alice Bar¡¹°¡ Subject
¿¡ ¹ÙÀεå Çϰí ÀÖ´Â Principal¿Í
Çлý ¹øÈ£ ¡¸999-99-9999¡¹ÀÌ Subject
¿¡ ¹ÙÀεå Çϰí ÀÖ´Â Principal
2°³°¡ ÀÖ½À´Ï´Ù. ¾î´À ÂÊÀÇ Principal µµ, ´Ù¸¥ À̸§À̾ °°Àº Subject
¸¦ ÂüÁ¶Çϰí ÀÖ½À´Ï´Ù.
¶Ç, Subject
¿¡´Â ½ÃÅ¥·¯Æ¼ °ü·ÃÀÇ ¼Ó¼ºµµ ÀÖ½À´Ï´Ù. À̰͵éÀº ÀÚ°ÝÀ̶ó°íµµ ºÒ¸³´Ï´Ù. ºñ°ø°³ÀÇ ¾ÏÈ£ÈŰ µî, Ưº°ÇÑ º¸È£¸¦ ÇÊ¿ä·Î ÇÏ´Â Áß¿äÇÑ ÀÚ°ÝÀº ºñ°ø°³ ÀÚ°Ý Set
³»¿¡ Æ÷ÇԵ˴ϴÙ. °ø°³Å° ÀÎÁõ¼
³ª Kerberos ¼¹ö ƼÄϰú °°ÀÌ, °øÀ¯µÇ¾î¾ß ÇÒ ÀÚ°ÝÀº °ø°³ ÀÚ°Ý Set
¿¡ Æ÷ÇԵ˴ϴÙ. ´Ù¸¥ ÀÚ°Ý Set¿¡ Á¢¼ÓÇØ º¯°æÇÏ·Á¸é,
´Ù¸¥ Á¢±Ù ±ÇÇÑÀÌ ÇÊ¿äÇÕ´Ï´Ù.
Subject
¿¡ °ü·ÃµÈ ¸ðµç Principal¸¦ ÃëµæÇÏ·Á¸é,
getPrincipals
¸Þ¼µå¸¦ È£ÃâÇÕ´Ï´Ù. Subject
¿¡ ¼ÓÇÏ´Â °ø°³ ¶Ç´Â ºñ°ø°³ÀÇ ÀÚ°ÝÀ» ¸ðµÎ ÃëµæÇÏ·Á¸é,
getPublicCredentials
¸Þ¼µå³ª getPrivateCredentials
¸Þ¼µå¸¦ È£ÃâÇÕ´Ï´Ù. ¸®ÅÏµÈ Principal¿Í
ÀÚ°ÝÀÇ Set
¸¦ º¯°æÇÏ·Á¸é,
Set
Ŭ·¡½º¿¡¼ Á¤Àǵǰí ÀÖ´Â ¸Þ¼µå¸¦ »ç¿ëÇÕ´Ï´Ù. ¿¹¸¦ µé¾î ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.
Subject subject; Principal principal; Object credential; // add a Principal and credential to the Subject subject.getPrincipals(). add(principal); subject.getPublicCredentials(). add(credential);
ÀÌ Subject
Ŭ·¡½º´Â Serializable
À»
±¸ÇöÇÕ´Ï´Ù. Subject
¿¡ °ü·ÃµÈ
Principal´Â Á÷·ÄÈ µË´Ï´Ù¸¸, Subject
¿¡ °ü·ÃµÈ
ÀÚ°ÝÀº Á÷·ÄÈ µÇÁö ¾Ê½À´Ï´Ù. java.security.Principal
Ŭ·¡½º´Â Serializable
À»
±¸ÇöÇϰí ÀÖ½À´Ï´Ù. ±× ¶§¹®¿¡
Subject¿¡ °ü·ÃµÈ ±¸Ã¼ÀûÀÎ Principal
±¸ÇöÀº ¸ðµÎ, Serializable
À»
±¸ÇöÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.
Principal
,
DomainCombiner
,
Á÷·ÄÈ µÈ Çü½Ä »ý¼ºÀÚ °³¿ä | |
---|---|
Subject ()
ºñ¾îÀÖ´Â Principal Set ¿Í
ºñ¾îÀÖ´Â °ø°³ ÀÚ°Ý ¹× ºñ°ø°³ ÀÚ°ÝÀÇ Set ·Î Subject
ÀνºÅϽº¸¦ ÀÛ¼ºÇÕ´Ï´Ù. |
|
Subject (boolean readOnly,
Set <? extends Principal > principals,
Set <? > pubCredentials,
Set <? > privCredentials)
Principal¿Í ÀÚ°ÝÀ» ÁöÁ¤ÇØ, Subject
ÀνºÅϽº¸¦ ÀÛ¼ºÇÕ´Ï´Ù. |
¸Þ¼µå °³¿ä | ||
---|---|---|
static Object |
doAs (Subject subject,
PrivilegedAction action)
ƯÁ¤ÀÇ Subject ·Î
¼ µ¿ÀÛÇÕ´Ï´Ù. |
|
static Object |
doAs (Subject subject,
PrivilegedExceptionAction action)
ƯÁ¤ÀÇ Subject ·Î
¼ µ¿ÀÛÇÕ´Ï´Ù. |
|
static Object |
doAsPrivileged (Subject subject,
PrivilegedAction action,
AccessControlContext acc)
ƯÁ¤ÀÇ Subject ·Î
¼ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù. |
|
static Object |
doAsPrivileged (Subject subject,
PrivilegedExceptionAction action,
AccessControlContext acc)
ƯÁ¤ÀÇ Subject ·Î
¼ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù. |
|
boolean |
equals (Object o)
ÁöÁ¤ÇÑ Object¿Í ÀÌ Subject ÀÌ µ¿ÀÏÇÑÁö ¾î¶²Áö¸¦ ºñ±³ÇÕ´Ï´Ù. |
|
Set <Principal > |
getPrincipals ()
ÀÌ Subject ¿¡ °ü·ÃµÈ
Principal
Set ¸¦ ¸®ÅÏÇÕ´Ï´Ù. |
|
|
getPrincipals (Class <T> c)
ÁöÁ¤ÇÑ Class
ÀνºÅϽº ¶Ç´Â ¼ºê Ŭ·¡½ºÀÎ, ÀÌ Subject ¿¡ °ü·ÃµÈ
Principal
Set ¸¦ ¸®ÅÏÇÕ´Ï´Ù. |
|
Set <Object > |
getPrivateCredentials ()
ÀÌ Subject ÀÌ º¸°ü À¯ÁöÇÏ´Â ºñ°ø°³ ÀÚ°ÝÀÇ Set ¸¦ ¸®ÅÏÇÕ´Ï´Ù. |
|
|
getPrivateCredentials (Class <T> c)
ÁöÁ¤ÇÑ Class
ÀνºÅϽº ¶Ç´Â ¼ºê Ŭ·¡½ºÀÎ ÀÌ Subject ¿¡ °ü·ÃÇÑ ºñ°ø°³ ÀÚ°ÝÀÇ Set ¸¦ ¸®ÅÏÇÕ´Ï´Ù. |
|
Set <Object > |
getPublicCredentials ()
ÀÌ Subject ÀÌ º¸°ü À¯ÁöÇÏ´Â °ø°³ ÀÚ°ÝÀÇ Set ¸¦ ¸®ÅÏÇÕ´Ï´Ù. |
|
|
getPublicCredentials (Class <T> c)
ÁöÁ¤ÇÑ Class
ÀνºÅϽº ¶Ç´Â ¼ºê Ŭ·¡½ºÀÎ ÀÌ Subject ¿¡ °ü·ÃÇÑ °ø°³ ÀÚ°ÝÀÇ Set ¸¦ ¸®ÅÏÇÕ´Ï´Ù. |
|
static Subject |
getSubject (AccessControlContext acc)
ÁöÁ¤ÇÑ AccessControlContext ¿¡ °ü·ÃµÈ
Subject ¸¦ ÃëµæÇÕ´Ï´Ù. |
|
int |
hashCode ()
ÀÌ Subject
ÇØ½Ã Äڵ带 ¸®ÅÏÇÕ´Ï´Ù. |
|
boolean |
isReadOnly ()
ÀÌ Subject ÀÌ Àбâ Àü¿ë
ÀÏÁö ¾î¶³Áö¸¦ ¹®ÀÇÇÕ´Ï´Ù. |
|
void |
setReadOnly ()
ÀÌ Subject ¸¦ Àбâ Àü¿ë
À¸·Î ¼³Á¤ÇÕ´Ï´Ù. |
|
String |
toString ()
ÀÌ Subject
String Ç¥ÇöÀ» ¸®ÅÏÇÕ´Ï´Ù. |
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼µå |
---|
clone,
finalize,
getClass,
notify,
notifyAll,
wait,
wait,
wait |
»ý¼ºÀÚ »ó¼¼ |
---|
public Subject()
Set
¿Í
ºñ¾îÀÖ´Â °ø°³ ÀÚ°Ý ¹× ºñ°ø°³ ÀÚ°ÝÀÇ Set ·Î Subject
ÀνºÅϽº¸¦ ÀÛ¼ºÇÕ´Ï´Ù.
»õ·Ó°Ô ÀÛ¼ºµÈ Set ¿¡¼´Â ÀÌÈÄÀÇ º¯°æÀ» Çã°¡Çϱâ Àü¿¡
ÀÌ Subject
ÀÌ Àбâ Àü¿ë
À¸·Î ¼³Á¤µÇ¾î ÀÖ´ÂÁö¸¦ È®ÀÎÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. »õ·Ó°Ô ÀÛ¼ºµÈ Set´Â
È£Ãâ Ãø¿¡ ÃæºÐÇÑ Á¢±Ù ±ÇÇÑÀÌ ÀÖ´Â °ÍÀ» º¸ÁõÇÏ´Â °ÍÀ¸·Î ºÎÁ¤ÇÑ º¯°æÀ» ¿¹¹æÇÕ´Ï´Ù.
Principals Set¸¦ º¯°æÇÏ·Á¸é,
È£Ãâ Ãø¿¡ AuthPermission("modifyPrincipals")
°¡ ÇÊ¿äÇÕ´Ï´Ù. °ø°³ ÀÚ°Ý Set¸¦ º¯°æÇÏ·Á¸é,
È£Ãâ Ãø¿¡ AuthPermission("modifyPublicCredentials")
°¡ ÇÊ¿äÇÕ´Ï´Ù. ºñ°ø°³ ÀÚ°Ý Set¸¦ º¯°æÇÏ·Á¸é,
È£Ãâ Ãø¿¡ AuthPermission("modifyPrivateCredentials")
°¡ ÇÊ¿äÇÕ´Ï´Ù.
public Subject(boolean readOnly, Set <? extends Principal > principals, Set <? > pubCredentials, Set <? > privCredentials)
Subject
ÀνºÅϽº¸¦ ÀÛ¼ºÇÕ´Ï´Ù.
Principal¿Í
ÀÚ°ÝÀº ÁöÁ¤µÈ Set ·ÎºÎÅÍ »õ·Ó°Ô ÀÛ¼ºµÈ Set¿¡ º¹»çµË´Ï´Ù. ÀÌ·¯ÇÑ »õ·Ó°Ô ÀÛ¼ºµÈ Set ¿¡¼´Â ÀÌÈÄÀÇ º¯°æÀ» Çã°¡Çϱâ Àü¿¡
ÀÌ Subject
ÀÌ Àбâ Àü¿ë
À¸·Î ¼³Á¤µÇ¾î ÀÖ´ÂÁö¸¦ È®ÀÎÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. »õ·Ó°Ô ÀÛ¼ºµÈ Set´Â
È£Ãâ Ãø¿¡ ÃæºÐÇÑ Á¢±Ù ±ÇÇÑÀÌ ÀÖ´Â °ÍÀ» È®ÀÎÇÏ´Â °Í¿¡ÀÇÇØ ºÎÁ¤ÇÑ º¯°æÀ» ¿¹¹æÇÕ´Ï´Ù.
Principals Set¸¦ º¯°æÇÏ·Á¸é,
È£Ãâ Ãø¿¡ AuthPermission("modifyPrincipals")
°¡ ÇÊ¿äÇÕ´Ï´Ù. °ø°³ ÀÚ°Ý Set¸¦ º¯°æÇÏ·Á¸é,
È£Ãâ Ãø¿¡ AuthPermission("modifyPublicCredentials")
°¡ ÇÊ¿äÇÕ´Ï´Ù. ºñ°ø°³ ÀÚ°Ý Set¸¦ º¯°æÇÏ·Á¸é,
È£Ãâ Ãø¿¡ AuthPermission("modifyPrivateCredentials")
°¡ ÇÊ¿äÇÕ´Ï´Ù.
readOnly
- Subject
ÀÌ Àбâ Àü¿ë
ÀÇ °æ¿ì´Â true, ±×·¸Áö ¾ÊÀº °æ¿ì´Â false principals
- ÀÌ Subject
¿¡ °ü·ÃÁþ´Â Principal
Set
pubCredentials
- ÀÌ Subject
¿¡ °ü·ÃÁþ´Â °ø°³ ÀÚ°ÝÀÇ Set
privCredentials
- ÀÌ Subject
¿¡ °ü·ÃÁþ´Â ºñ°ø°³ ÀÚ°ÝÀÇ Set
NullPointerException
- ÁöÁ¤ÇÑ principals
, pubCredentials
, privCredentials
¾î¶² °ÍÀΰ¡°¡ null
ÀÎ °æ¿ì¸Þ¼µåÀÇ »ó¼¼ |
---|
public void setReadOnly()
Subject
¸¦ Àбâ Àü¿ë
À¸·Î ¼³Á¤ÇÕ´Ï´Ù.
ÀÌ Subject
Principal
Set
³ª ÀÚ°Ý Set¿¡ ´ëÇÑ º¯°æ (Ãß°¡³ª »èÁ¦)Àº Çã°¡µÇÁö ¾Ê½À´Ï´Ù. ÀÌ Subject
ÀÚ°Ý¿¡ ´ëÇÑ destroy
Á¶ÀÛ¸¸ÀÌ Çã°¡µË´Ï´Ù.
±× ÈÄ, Subject
Principal
³ª ÀÚ°ÝÀÇ Set¸¦ º¯°æÇÏ·Á°í Çϸé, IllegalStateException
°¡ ¹ß»ý µË´Ï´Ù. ¶Ç, Subject
¸¦ Àбâ Àü¿ë
À¸·Î ÇÑ ÈÄ¿¡
Çѹø ´õ Ãâ·ÂÇÒ ¼ö ÀÖµµ·Ï ¸®¼Â ÇÒ ¼ö ¾ø½À´Ï´Ù.
SecurityException
- È£Ãâ Ãø¿¡
ÀÌ Subject
¸¦ Àбâ Àü¿ë
À¸·Î ¼³Á¤ÇÏ´Â Á¢±Ù ±ÇÇÑÀÌ ¾ø´Â °æ¿ìpublic boolean isReadOnly()
Subject
ÀÌ Àбâ Àü¿ë
ÀÏÁö ¾î¶³Áö¸¦ ¹®ÀÇÇÕ´Ï´Ù.
Subject
ÀÌ Àбâ Àü¿ë
ÀÎ °æ¿ì´Â true, ±×·¸Áö ¾ÊÀº °æ¿ì´Â falsepublic static Subject getSubject(AccessControlContext acc)
AccessControlContext
¿¡ °ü·ÃµÈ
Subject
¸¦ ÃëµæÇÕ´Ï´Ù.
AccessControlContext
¿¡
¸¹Àº Subject°¡ Æ÷ÇԵǴ °æ¿ì°¡ ÀÖ½À´Ï´Ù (»óÀÚ·Î µÈ doAs
È£Ãâ¿¡
ÇÑ´Ù). ÀÌ °æ¿ì
AccessControlContext
¿¡ °ü·ÃµÈ
ÃÖ½ÅÀÇ Subject
ÀÌ ¸®Åϵ˴ϴÙ
.
acc
- Subject
¸¦ ¾ò´Â AccessControlContext
AccessControlContext
¿¡ °ü·ÃµÈ
Subject
. ÀÌ AccessControlContext
¿¡ °ü·ÃµÈ
Subject
ÀÌ ¾ø´Â °æ¿ì´Â null
SecurityException
- È£Ãâ Ãø¿¡
ÀÌ Subject
¸¦ ¾ò´Â Á¢±Ù ±ÇÇÑÀÌ ¾ø´Â °æ¿ì
NullPointerException
- ÁöÁ¤ÇÑ AccessControlContext
ÀÌ null
ÀÎ °æ¿ìpublic static Object doAs(Subject subject, PrivilegedAction action)
Subject
·Î
¼ µ¿ÀÛÇÕ´Ï´Ù.
ÀÌ ¸Þ¼µå¿¡¼´Â ÃÖÃÊ·Î ÇöÀçÀÇ Thread
AccessControlContext
¸¦ AccessController.getContext
·Î
ÃëµæÇØ, ÃëµæÇÑ ÄÁÅØ½ºÆ®°ú (ÁöÁ¤ÇÑ Subject
·Î
±¸ÃàÇÑ) »õ·Î¿î SubjectDomainCombiner
¸¦ »ç¿ëÇØ »õ·Î¿î AccessControlContext
¸¦ ÀνºÅϽºÈÇÕ´Ï´Ù. ¸¶Áö¸·À¸·ÎAccessController.doPrivileged
¸¦ È£ÃâÇØ, ÁöÁ¤ÇÑ PrivilegedAction
°ú »õ·Ó°Ô ±¸ÃàÇÑ AccessControlContext
¸¦ °Ç³×ÁÝ´Ï´Ù.
subject
- ÁöÁ¤ÇÑ action
°¡ ½ÇÇàµÉ ¶§ÀÇ Subject
. null
µµ °¡´É action
- ÁöÁ¤ÇÑ Subject
·Î
¼ ½ÇÇàµÇ´Â ÄÚµå
run
¸Þ¼µå¿¡ ÀÇÇØ ¸®ÅϵÈ
Object
NullPointerException
- PrivilegedAction
°¡ null
ÀÎ °æ¿ì
SecurityException
- È£Ãâ Ãø¿¡
ÀÌ ¸Þ¼µå¸¦ È£ÃâÇÏ´Â Á¢±Ù ±ÇÇÑÀÌ ¾ø´Â °æ¿ìpublic static Object doAs(Subject subject, PrivilegedExceptionAction action) throws PrivilegedActionException
Subject
·Î
¼ µ¿ÀÛÇÕ´Ï´Ù.
ÀÌ ¸Þ¼µå¿¡¼´Â ÃÖÃÊ·Î ÇöÀçÀÇ Thread
AccessControlContext
¸¦ AccessController.getContext
·Î
ÃëµæÇØ, ÃëµæÇÑ ÄÁÅØ½ºÆ®°ú (ÁöÁ¤ÇÑ Subject
·Î
±¸ÃàÇÑ) »õ·Î¿î SubjectDomainCombiner
¸¦ »ç¿ëÇØ »õ·Î¿î AccessControlContext
¸¦ ÀνºÅϽºÈÇÕ´Ï´Ù. ¸¶Áö¸·À¸·ÎAccessController.doPrivileged
¸¦ È£ÃâÇØ, ÁöÁ¤ÇÑ PrivilegedExceptionAction
¿Í
»õ·Ó°Ô ±¸ÃàÇÑ AccessControlContext
¸¦ °Ç³×ÁÝ´Ï´Ù.
subject
- ÁöÁ¤ÇÑ action
°¡ ½ÇÇàµÉ ¶§ÀÇ Subject
. null
µµ °¡´É action
- ÁöÁ¤ÇÑ Subject
·Î
¼ ½ÇÇàµÇ´Â ÄÚµå
run
¸Þ¼µå¿¡ ÀÇÇØ ¸®ÅϵÈ
Object
PrivilegedActionException
- PrivilegedExceptionAction.run
¸Þ¼µå°¡ È®ÀÎ ³¡³ ¿¹¿Ü¸¦ Throw ÇßÀ» °æ¿ì
NullPointerException
- ÁöÁ¤ÇÑ PrivilegedExceptionAction
°¡ null
ÀÎ °æ¿ì
SecurityException
- È£Ãâ Ãø¿¡
ÀÌ ¸Þ¼µå¸¦ È£ÃâÇÏ´Â Á¢±Ù ±ÇÇÑÀÌ ¾ø´Â °æ¿ìpublic static Object doAsPrivileged(Subject subject, PrivilegedAction action, AccessControlContext acc)
Subject
·Î
¼ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù.
ÀÌ ¸Þ¼µåÀÇ µ¿ÀÛÀº ÇöÀçÀÇ Thread
AccessControlContext
¸¦ ¾ò´Â ´ë½Å¿¡
ÁöÁ¤ÇÑ AccessControlContext
À» »ç¿ëÇÏ´Â Á¡À» Á¦¿ÜÇØ, Subject.doAs
¿Í
°°°Ô µË´Ï´Ù. ÁöÁ¤ÇÑ AccessControlContext
ÀÌ null
ÀÎ °æ¿ì, ÀÌ ¸Þ¼µå´Â »õ·Î¿î AccessControlContext
¸¦ ºñ¾îÀÖ´Â ProtectionDomain
Ä÷º¼ÇÀ¸·Î ÀνºÅϽºÈÇÕ´Ï´Ù.
subject
- ÁöÁ¤ÇÑ action
°¡ ½ÇÇàµÉ ¶§ÀÇ Subject
. null
µµ °¡´É action
- ÁöÁ¤ÇÑ Subject
·Î
¼ ½ÇÇàµÇ´Â ÄÚµå acc
- ÁöÁ¤ÇÑ subject¿Í
action¸¦ ¹À» ¼ö ÀÖ´Â AccessControlContext
run
¸Þ¼µå¿¡ ÀÇÇØ ¸®ÅϵÈ
Object
NullPointerException
- PrivilegedAction
°¡ null
ÀÎ °æ¿ì
SecurityException
- È£Ãâ Ãø¿¡
ÀÌ ¸Þ¼µå¸¦ È£ÃâÇÏ´Â Á¢±Ù ±ÇÇÑÀÌ ¾ø´Â °æ¿ìpublic static Object doAsPrivileged(Subject subject, PrivilegedExceptionAction action, AccessControlContext acc) throws PrivilegedActionException
Subject
·Î
¼ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù.
ÀÌ ¸Þ¼µåÀÇ µ¿ÀÛÀº ÇöÀçÀÇ Thread
AccessControlContext
¸¦ ¾ò´Â ´ë½Å¿¡
ÁöÁ¤ÇÑ AccessControlContext
À» »ç¿ëÇÏ´Â Á¡À» Á¦¿ÜÇØ, Subject.doAs
¿Í
°°°Ô µË´Ï´Ù. ÁöÁ¤ÇÑ AccessControlContext
ÀÌ null
ÀÎ °æ¿ì, ÀÌ ¸Þ¼µå´Â »õ·Î¿î AccessControlContext
¸¦ ºñ¾îÀÖ´Â ProtectionDomain
Ä÷º¼ÇÀ¸·Î ÀνºÅϽºÈÇÕ´Ï´Ù.
subject
- ÁöÁ¤ÇÑ action
°¡ ½ÇÇàµÉ ¶§ÀÇ Subject
. null
µµ °¡´É action
- ÁöÁ¤ÇÑ Subject
·Î
¼ ½ÇÇàµÇ´Â ÄÚµå acc
- ÁöÁ¤ÇÑ subject¿Í
action¸¦ ¹À» ¼ö ÀÖ´Â AccessControlContext
run
¸Þ¼µå¿¡ ÀÇÇØ ¸®ÅϵÈ
Object
PrivilegedActionException
- PrivilegedExceptionAction.run
¸Þ¼µå°¡ È®ÀÎ ³¡³ ¿¹¿Ü¸¦ Throw ÇßÀ» °æ¿ì
NullPointerException
- ÁöÁ¤ÇÑ PrivilegedExceptionAction
°¡ null
ÀÎ °æ¿ì
SecurityException
- È£Ãâ Ãø¿¡
ÀÌ ¸Þ¼µå¸¦ È£ÃâÇÏ´Â Á¢±Ù ±ÇÇÑÀÌ ¾ø´Â °æ¿ìpublic Set <Principal > getPrincipals()
Subject
¿¡ °ü·ÃµÈ
Principal
Set
¸¦ ¸®ÅÏÇÕ´Ï´Ù. °¢ Principal
´Â
ÀÌ Subject
½Äº° Á¤º¸¸¦ ³ªÅ¸³À´Ï´Ù.
¸®ÅϵÈ
Set
´Â
ÀÌ Subject
³»ºÎÀûÀÎ Principal
Set
¿Í
°áºÎµÇ°í ÀÖ½À´Ï´Ù. ¸®ÅÏµÈ Set
¿¡ ´ëÇÑ º¯°æÀº ³»ºÎÀÇ Principal
Set
¿¡
µµ ¿µÇâÀ» ÁÝ´Ï´Ù.
Subject
¿¡ °ü·ÃµÈ
Principal
Set
public <T extends Principal > Set <T> getPrincipals(Class <T> c)
Class
ÀνºÅϽº ¶Ç´Â ¼ºê Ŭ·¡½ºÀÎ, ÀÌ Subject
¿¡ °ü·ÃµÈ
Principal
Set
¸¦ ¸®ÅÏÇÕ´Ï´Ù.
¸®ÅϵÈ
Set
´Â
ÀÌ Subject
³»ºÎÀûÀÎ Principal
Set
¿Í
°áºÎµÇÁö ¾Ê½À´Ï´Ù. ¸Þ¼µå È£ÃâÇÒ °Í¿¡
»õ·Î¿î Set
ÀÌ ÀÛ¼ºµÇ¾î ¸®Åϵ˴ϴÙ
. ¸®ÅÏµÈ Set
¿¡ ´ëÇÑ º¯°æÀº ³»ºÎÀûÀÎ Principal
Set
¿¡ ¿µÇâÀ» ÁÖÁö ¾Ê½À´Ï´Ù.
c
- ¸®ÅϵÈ
Principal
Set
´Â
¸ðµÎ ÀÌ Å¬·¡½ºÀÇ ÀνºÅϽº°¡ µÈ´Ù
Class
ÀνºÅϽºÀÎ Principal
Set
NullPointerException
- ÁöÁ¤ÇÑ Class
°¡ null
ÀÎ °æ¿ìpublic Set <Object > getPublicCredentials()
Subject
ÀÌ º¸°ü À¯ÁöÇÏ´Â °ø°³ ÀÚ°ÝÀÇ Set
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public <T> Set <T> getPublicCredentials(Class <T> c)
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JavaTM 2 Platform Standard Ed. 5.0 |
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