JavaTM 2 Platform
Standard Ed. 5.0

javax.security.auth
Ŭ·¡½º Subject

java.lang.Object 
  »óÀ§¸¦ È®Àå javax.security.auth.Subject
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Serializable

public final class Subject
extends Object
implements Serializable

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 ¾Ïȣȭ۵î)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 ¾ÏȣȭŰ 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¸¥ ¾×¼¼½º±ÇÀÌ ÇÊ¿äÇÕ´Ï´Ù.

Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ´ø ¸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. µ¹·ÁÁÖ°íÁø 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¸¦ ±¸ÇöÇÕ´Ï´Ù. Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Principal´Â Á÷·ÄÈ­ µË´Ï´Ù¸¸,Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø ÀÚ°ÝÀº Á÷·ÄÈ­ µÇÁö ¾Ê½À´Ï´Ù. java.security.Principal Ŭ·¡½º´Â Serializable¸¦ ±¸ÇöÇϰí ÀÖ½À´Ï´Ù. ±× ¶§¹®¿¡ Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ´ø ±¸Ã¼ÀûÀÎ Principal ±¸ÇöÀº ¸ðµÎ,Serializable¸¦ ±¸ÇöÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.

°ü·Ã Ç׸ñ:
Principal, DomainCombiner, Á÷·ÄÈ­ µÈ Çü½Ä

»ý¼ºÀÚ °³¿ä
Subject ()
          ÇÏ´ÃÀÇ Principal Set ¿Í ÇÏ´ÃÀÇ °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)
          Æ¯Á¤ÀÇ Subject ·Î¼­ µ¿ÀÛÇÕ´Ï´Ù.
static Object doAs (Subject  subject, PrivilegedExceptionAction  action)
          Æ¯Á¤ÀÇ Subject ·Î¼­ µ¿ÀÛÇÕ´Ï´Ù.
static Object doAsPrivileged (Subject  subject, PrivilegedAction  action, AccessControlContext  acc)
          Æ¯Á¤ÀÇ Subject ·Î¼­ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù.
static Object doAsPrivileged (Subject  subject, PrivilegedExceptionAction  action, AccessControlContext  acc)
          Æ¯Á¤ÀÇ Subject ·Î¼­ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù.
 boolean equals (Object  o)
          ÁöÁ¤ÇÑ Object ¿Í ÀÌ Subject °¡ µ¿ÀÏÇÑÁö ¾î¶²Áö¸¦ ºñ±³ÇÕ´Ï´Ù.
 Set <Principal > getPrincipals ()
          ÀÌ Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Principal Set¸¦ µ¹·ÁÁÝ´Ï´Ù.
<T extends Principal >
Set <T>
getPrincipals (Class <T> c)
          ÁöÁ¤ÇÑ Class ÀνºÅϽº ¶Ç´Â ¼­ºê Ŭ·¡½ºÀÎ, ÀÌ Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Principal Set¸¦ µ¹·ÁÁÝ´Ï´Ù.
 Set <Object > getPrivateCredentials ()
          ÀÌ Subject °¡ º¸°ü À¯ÁöÇÏ´Â ºñ°ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.
<T> Set <T>
getPrivateCredentials (Class <T> c)
          ÁöÁ¤ÇÑ Class ÀνºÅϽº ¶Ç´Â ¼­ºê Ŭ·¡½ºÀÎ ÀÌ Subject ¿¡ °ü·ÃÇÑ ºñ°ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.
 Set <Object > getPublicCredentials ()
          ÀÌ Subject °¡ º¸°ü À¯ÁöÇÏ´Â °ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.
<T> Set <T>
getPublicCredentials (Class <T> c)
          ÁöÁ¤ÇÑ Class ÀνºÅϽº ¶Ç´Â ¼­ºê Ŭ·¡½ºÀÎ ÀÌ Subject ¿¡ °ü·ÃÇÑ °ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.
static Subject getSubject (AccessControlContext  acc)
          ÁöÁ¤ÇÑ AccessControlContext ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Subject¸¦ ÃëµæÇÕ´Ï´Ù.
 int hashCode ()
          ÀÌ Subject ÇØ½Ã Äڵ带 µ¹·ÁÁÝ´Ï´Ù.
 boolean isReadOnly ()
          ÀÌ Subject °¡ Àо Àü¿ëÀÏÁö ¾î¶³Áö¸¦ ¹®ÀÇÇÕ´Ï´Ù.
 void setReadOnly ()
          ÀÌ Subject¸¦ Àо Àü¿ëÀ¸·Î ¼³Á¤ÇÕ´Ï´Ù.
 String toString ()
          ÀÌ Subject String Ç¥ÇöÀ» µ¹·ÁÁÝ´Ï´Ù.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

»ý¼ºÀÚ »ó¼¼

Subject

public Subject()
ÇÏ´ÃÀÇ Principal Set ¿Í ÇÏ´ÃÀÇ °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 °¡ Àо Àü¿ëÀ¸·Î ¼³Á¤µÇ¾î ÀÖ´ÂÁö ¾î¶²Áö¸¦ È®ÀÎÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. »õ·Ó°Ô ÀÛ¼ºµÈ Set´Â È£Ãâ Ãø¿¡ ÃæºÐÇÑ ¾×¼¼½º±ÇÀÌ 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.


Subject

public Subject(boolean readOnly,
               Set <?  extends Principal > principals,
               Set <? > pubCredentials,
               Set <? > privCredentials)
Principal ¿Í ÀÚ°ÝÀ» ÁöÁ¤ÇØ,Subject ÀνºÅϽº¸¦ ÀÛ¼ºÇÕ´Ï´Ù.

Principal ¿Í ÀÚ°ÝÀº, ÁöÁ¤µÈ Set ·ÎºÎÅÍ »õ·Ó°Ô ÀÛ¼ºµÈ Set ¿¡ Ä«Çǵ˴ϴÙ. ÀÌ·¯ÇÑ »õ·Ó°Ô ÀÛ¼ºµÈ Set ¿¡¼­´Â ÀÌÈÄÀÇ º¯°æÀ» Çã°¡Çϱâ Àü¿¡ ÀÌ Subject °¡ Àо Àü¿ëÀ¸·Î ¼³Á¤µÇ¾î ÀÖ´ÂÁö ¾î¶²Áö¸¦ È®ÀÎÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. »õ·Ó°Ô ÀÛ¼ºµÈ Set´Â È£Ãâ Ãø¿¡ ÃæºÐÇÑ ¾×¼¼½º±ÇÀÌ ÀÖ´Â °ÍÀ» È®ÀÎÇÏ´Â °Í¿¡ ÇØ, 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.

ÆÄ¶ó¹ÌÅÍ:
readOnly - Subject °¡ Àо Àü¿ëÀÇ °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
¿¹¿Ü:
NullPointerException - ÁöÁ¤ÇÑ principals,pubCredentials,privCredentials ¾î¶² °ÍÀΰ¡°¡ null °æ¿ì
¸Þ¼­µåÀÇ »ó¼¼

setReadOnly

public void setReadOnly()
ÀÌ Subject¸¦ Àо Àü¿ëÀ¸·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 °¡ Throw µË´Ï´Ù. ¶Ç,Subject¸¦ Àо Àü¿ëÀ¸·Î ÇÑ ÈÄ¿¡ Çѹø ´õ ±âÀÔÇÒ ¼ö ÀÖµµ·Ï ¸®¼ÂÆ® ÇÒ ¼ö ¾ø½À´Ï´Ù.

¿¹¿Ü:
SecurityException - È£Ãâ Ãø¿¡ ÀÌ Subject¸¦ Àо Àü¿ëÀ¸·Î ¼³Á¤ÇÏ´Â ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì

isReadOnly

public boolean isReadOnly()
ÀÌ Subject °¡ Àо Àü¿ëÀÏÁö ¾î¶³Áö¸¦ ¹®ÀÇÇÕ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ Subject °¡ Àо Àü¿ëÀÎ °æ¿ì´Â true, ±×·¸Áö ¾ÊÀº °æ¿ì´Â false

getSubject

public static Subject  getSubject(AccessControlContext  acc)
ÁöÁ¤ÇÑ AccessControlContext ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø 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·ÃÁöÀ» ¼ö ÀÖ¾ú´ø ÃÖ½ÅÀÇ Subject °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
acc - Subject¸¦ ¾ò´Â AccessControlContext
¹Ýȯ°ª:
ÀÌ AccessControlContext ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Subject. ÀÌ AccessControlContext ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Subject °¡ ¾ø´Â °æ¿ì´Â null
¿¹¿Ü:
SecurityException - È£Ãâ Ãø¿¡ ÀÌ Subject¸¦ ¾ò´Â ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì

NullPointerException - ÁöÁ¤ÇÑ AccessControlContext °¡ null °æ¿ì

doAs

public static Object  doAs(Subject  subject,
                          PrivilegedAction  action)
ƯÁ¤ÀÇ Subject ·Î¼­ 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.

ÆÄ¶ó¹ÌÅÍ:
subject - ÁöÁ¤ÇÑ action °¡ ½ÇÇàµÉ ¶§ÀÇ Subject. null µµ °¡´É

action - ÁöÁ¤ÇÑ Subject ·Î¼­ ½ÇÇàµÇ´Â ÄÚµå

¹Ýȯ°ª:
PrivilegedAction run ¸Þ¼­µå¿¡ ÇØ µ¹·ÁÁÖ°íÁö´Â Object
¿¹¿Ü:
NullPointerException - PrivilegedAction °¡ null °æ¿ì

SecurityException - È£Ãâ Ãø¿¡ ÀÌ ¸Þ¼­µå¸¦ È£ÃâÇÏ´Â ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì

doAs

public static Object  doAs(Subject  subject,
                          PrivilegedExceptionAction  action)
                   throws PrivilegedActionException 
ƯÁ¤ÀÇ Subject ·Î¼­ 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.

ÆÄ¶ó¹ÌÅÍ:
subject - ÁöÁ¤ÇÑ action °¡ ½ÇÇàµÉ ¶§ÀÇ Subject. null µµ °¡´É

action - ÁöÁ¤ÇÑ Subject ·Î¼­ ½ÇÇàµÇ´Â ÄÚµå

¹Ýȯ°ª:
PrivilegedExceptionAction run ¸Þ¼­µå¿¡ ÇØ µ¹·ÁÁÖ°íÁö´Â Object
¿¹¿Ü:
PrivilegedActionException - PrivilegedExceptionAction.run ¸Þ¼­µå°¡ È®ÀÎ ³¡³­ ¿¹¿Ü¸¦ Throw ÇßÀ» °æ¿ì

NullPointerException - ÁöÁ¤ÇÑ PrivilegedExceptionAction °¡ null °æ¿ì

SecurityException - È£Ãâ Ãø¿¡ ÀÌ ¸Þ¼­µå¸¦ È£ÃâÇÏ´Â ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì

doAsPrivileged

public static Object  doAsPrivileged(Subject  subject,
                                    PrivilegedAction  action,
                                    AccessControlContext  acc)
ƯÁ¤ÀÇ Subject ·Î¼­ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µåÀÇ µ¿ÀÛÀº, ÇöÀçÀÇ Thread AccessControlContext¸¦ ¾ò´Â ´ë½Å¿¡ ÁöÁ¤ÇÑ AccessControlContextÀ» »ç¿ëÇÏ´Â Á¡À» Á¦¿ÜÇØ,Subject.doAs ¿Í °°°Ô µË´Ï´Ù. ÁöÁ¤ÇÑ AccessControlContext °¡ null °æ¿ì, ÀÌ ¸Þ¼­µå´Â »õ·Î¿î AccessControlContext¸¦ ÇÏ´ÃÀÇ ProtectionDomain Ä÷º¼ÇÀ¸·Î ÀνºÅϽºÈ­ÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
subject - ÁöÁ¤ÇÑ action °¡ ½ÇÇàµÉ ¶§ÀÇ Subject. null µµ °¡´É

action - ÁöÁ¤ÇÑ Subject ·Î¼­ ½ÇÇàµÇ´Â ÄÚµå

acc - ÁöÁ¤ÇÑ subject ¿Í action¸¦ ¹­À» ¼ö ÀÖ°í ÀÖ´Â AccessControlContext

¹Ýȯ°ª:
PrivilegedAction run ¸Þ¼­µå¿¡ ÇØ µ¹·ÁÁÖ°íÁö´Â Object
¿¹¿Ü:
NullPointerException - PrivilegedAction °¡ null °æ¿ì

SecurityException - È£Ãâ Ãø¿¡ ÀÌ ¸Þ¼­µå¸¦ È£ÃâÇÏ´Â ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì

doAsPrivileged

public static Object  doAsPrivileged(Subject  subject,
                                    PrivilegedExceptionAction  action,
                                    AccessControlContext  acc)
                             throws PrivilegedActionException 
ƯÁ¤ÀÇ Subject ·Î¼­ Ư±Ç ÷ºÎ·Î µ¿ÀÛÇÕ´Ï´Ù.

ÀÌ ¸Þ¼­µåÀÇ µ¿ÀÛÀº, ÇöÀçÀÇ Thread AccessControlContext¸¦ ¾ò´Â ´ë½Å¿¡ ÁöÁ¤ÇÑ AccessControlContextÀ» »ç¿ëÇÏ´Â Á¡À» Á¦¿ÜÇØ,Subject.doAs ¿Í °°°Ô µË´Ï´Ù. ÁöÁ¤ÇÑ AccessControlContext °¡ null °æ¿ì, ÀÌ ¸Þ¼­µå´Â »õ·Î¿î AccessControlContext¸¦ ÇÏ´ÃÀÇ ProtectionDomain Ä÷º¼ÇÀ¸·Î ÀνºÅϽºÈ­ÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
subject - ÁöÁ¤ÇÑ action °¡ ½ÇÇàµÉ ¶§ÀÇ Subject. null µµ °¡´É

action - ÁöÁ¤ÇÑ Subject ·Î¼­ ½ÇÇàµÇ´Â ÄÚµå

acc - ÁöÁ¤ÇÑ subject ¿Í action¸¦ ¹­À» ¼ö ÀÖ°í ÀÖ´Â AccessControlContext

¹Ýȯ°ª:
PrivilegedExceptionAction run ¸Þ¼­µå¿¡ ÇØ µ¹·ÁÁÖ°íÁö´Â Object
¿¹¿Ü:
PrivilegedActionException - PrivilegedExceptionAction.run ¸Þ¼­µå°¡ È®ÀÎ ³¡³­ ¿¹¿Ü¸¦ Throw ÇßÀ» °æ¿ì

NullPointerException - ÁöÁ¤ÇÑ PrivilegedExceptionAction °¡ null °æ¿ì

SecurityException - È£Ãâ Ãø¿¡ ÀÌ ¸Þ¼­µå¸¦ È£ÃâÇÏ´Â ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì

getPrincipals

public Set <Principal > getPrincipals()
ÀÌ Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Principal Set¸¦ µ¹·ÁÁÝ´Ï´Ù. °¢ Principal´Â ÀÌ Subject ½Äº° Á¤º¸¸¦ ³ªÅ¸³À´Ï´Ù.

µ¹·ÁÁÖ°íÁö´Â Set´Â ÀÌ Subject ³»ºÎÀûÀÎ Principal Set ¿Í °áºÎµÇ°í ÀÖ½À´Ï´Ù. µ¹·ÁÁÖ°íÁø Set ¿¡ ´ëÇÑ º¯°æÀº, ³»ºÎÀÇ Principal Set ¿¡µµ ¿µÇâÀ» ÁÝ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Principal Set

getPrincipals

public <T extends Principal > Set <T> getPrincipals(Class <T> c)
ÁöÁ¤ÇÑ Class ÀνºÅϽº ¶Ç´Â ¼­ºê Ŭ·¡½ºÀÎ, ÀÌ Subject ¿¡ °ü·ÃÁöÀ» ¼ö ÀÖ¾ú´ø Principal Set¸¦ µ¹·ÁÁÝ´Ï´Ù.

µ¹·ÁÁÖ°íÁö´Â Set´Â ÀÌ Subject ³»ºÎÀûÀÎ Principal Set ¿Í °áºÎµÇ°í ÀÖÁö ¾Ê½À´Ï´Ù. ¸Þ¼­µå È£ÃâÇÒ °Í¿¡ »õ·Î¿î Set °¡ ÀÛ¼ºµÇ¾î µ¹·ÁÁÖ°íÁý´Ï´Ù. µ¹·ÁÁÖ°íÁø Set ¿¡ ´ëÇÑ º¯°æÀº, ³»ºÎÀûÀÎ Principal Set ¿¡ ¿µÇâÀ» ÁÖÁö ¾Ê½À´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
c - µ¹·ÁÁÖ°íÁö´Â Principal Set´Â ¸ðµÎ ÀÌ Å¬·¡½ºÀÇ ÀνºÅϽº°¡ µÈ´Ù
¹Ýȯ°ª:
ÁöÁ¤ÇÑ Class ÀνºÅϽºÀÎ Principal Set
¿¹¿Ü:
NullPointerException - ÁöÁ¤ÇÑ Class °¡ null °æ¿ì

getPublicCredentials

public Set <Object > getPublicCredentials()
ÀÌ Subject °¡ º¸°ü À¯ÁöÇÏ´Â °ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.

µ¹·ÁÁÖ°íÁö´Â Set´Â ÀÌ Subject ³»ºÎÀûÀÎ °ø°³ Credential Set ¿Í °áºÎµÇ°í ÀÖ½À´Ï´Ù. µ¹·ÁÁÖ°íÁø Set ¿¡ ´ëÇÑ º¯°æÀº, ³»ºÎÀûÀÎ °ø°³ Credential Set ¿¡µµ ¿µÇâÀ» ÁÝ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ Subject °¡ º¸°ü À¯ÁöÇÏ´Â °ø°³ ÀÚ°ÝÀÇ Set

getPrivateCredentials

public Set <Object > getPrivateCredentials()
ÀÌ Subject °¡ º¸°ü À¯ÁöÇÏ´Â ºñ°ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.

µ¹·ÁÁÖ°íÁö´Â Set´Â ÀÌ Subject ³»ºÎÀûÀÎ ºñ°ø°³ Credential Set ¿Í °áºÎµÇ°í ÀÖ½À´Ï´Ù. µ¹·ÁÁÖ°íÁø Set ¿¡ ´ëÇÑ º¯°æÀº, ³»ºÎÀûÀÎ ºñ°ø°³ Credential Set ¿¡µµ ¿µÇâÀ» ÁÝ´Ï´Ù.

È£ÃâÃø¿¡¼­´Â µ¹·ÁÁÖ°íÁö´Â Set Credential ¿¡ ¾×¼¼½ºÇϱâ À§ÇÑ ±ÇÇÑ, ¶Ç´Â Set ÀÚü¸¦ º¯°æÇϱâ À§ÇÑ ¾×¼¼½º±ÇÀÌ ÇÊ¿äÇÕ´Ï´Ù. È£Ãâ Ãø¿¡ ÀûÀýÇÑ ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì´Â SecurityException °¡ Throw µË´Ï´Ù.

Set¸¦ ¹Ýº¹ ó¸® ÇÒ ¶§, È£Ãâ Ãø¿¡ ƯÁ¤ÀÇ Credential ¿¡ ´ëÇÑ ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì´Â SecurityException °¡ Throw µË´Ï´Ù. ±× °æ¿ì¿¡¼­µµ,Iterator´Â Set ´ÙÀ½ÀÇ ¿ä¼Ò¿¡ 󸮸¦ ÁøÇà½Ãŵ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ Subject °¡ º¸°ü À¯ÁöÇÏ´Â ºñ°ø°³ ÀÚ°ÝÀÇ Set

getPublicCredentials

public <T> Set <T> getPublicCredentials(Class <T> c)
ÁöÁ¤ÇÑ Class ÀνºÅϽº ¶Ç´Â ¼­ºê Ŭ·¡½ºÀÎ ÀÌ Subject ¿¡ °ü·ÃÇÑ °ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.

µ¹·ÁÁÖ°íÁö´Â Set´Â ÀÌ Subject ³»ºÎÀûÀÎ °ø°³ Credential Set ¿Í °áºÎµÇ°í ÀÖÁö ¾Ê½À´Ï´Ù. °¢ ¸Þ¼­µåÀÇ È£Ãâ¿¡ ´ëÇØ¼­, »õ·Î¿î Set °¡ ÀÛ¼ºµÇ¾î µ¹·ÁÁÖ°íÁý´Ï´Ù. µ¹·ÁÁÖ°íÁø Set ¿¡ ´ëÇÑ º¯°æÀº, ³»ºÎÀûÀÎ °ø°³ Credential Set ¿¡ ¿µÇâÀ» ÁÖÁö ¾Ê½À´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
c - µ¹·ÁÁÖ°íÁö´Â °ø°³ ÀÚ°ÝÀÇ Set´Â ¸ðµÎ ÀÌ Å¬·¡½ºÀÇ ÀνºÅϽº°¡ µÈ´Ù
¹Ýȯ°ª:
ÁöÁ¤ÇÑ Class ÀνºÅϽºÀÎ °ø°³ ÀÚ°ÝÀÇ Set
¿¹¿Ü:
NullPointerException - ÁöÁ¤ÇÑ Class °¡ null °æ¿ì

getPrivateCredentials

public <T> Set <T> getPrivateCredentials(Class <T> c)
ÁöÁ¤ÇÑ Class ÀνºÅϽº ¶Ç´Â ¼­ºê Ŭ·¡½ºÀÎ ÀÌ Subject ¿¡ °ü·ÃÇÑ ºñ°ø°³ ÀÚ°ÝÀÇ Set¸¦ µ¹·ÁÁÝ´Ï´Ù.

È£Ãâ Ãø¿¡´Â ¿ä±¸ÇÑ Credential ¸ðµÎ¿¡ ´ëÇÑ ¾×¼¼½º±ÇÀÌ ¾øÀ¸¸é ¾ÈµË´Ï´Ù. ±×·¸Áö ¾ÊÀº °æ¿ì´Â SecurityException °¡ Throw µË´Ï´Ù.

µ¹·ÁÁÖ°íÁö´Â Set´Â ÀÌ Subject ³»ºÎÀûÀÎ ºñ°ø°³ Credential Set ¿Í °áºÎµÇ°í ÀÖÁö ¾Ê½À´Ï´Ù. °¢ ¸Þ¼­µåÀÇ È£Ãâ¿¡ ´ëÇØ¼­, »õ·Î¿î Set °¡ ÀÛ¼ºµÇ¾î µ¹·ÁÁÖ°íÁý´Ï´Ù. µ¹·ÁÁÖ°íÁø Set ¿¡ ´ëÇÑ º¯°æÀº, ³»ºÎÀûÀÎ ºñ°ø°³ Credential Set ¿¡ ¿µÇâÀ» ÁÖÁö ¾Ê½À´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
c - µ¹·ÁÁÖ°íÁö´Â ºñ°ø°³ ÀÚ°ÝÀÇ Set´Â ¸ðµÎ ÀÌ Å¬·¡½ºÀÇ ÀνºÅϽº°¡ µÈ´Ù
¹Ýȯ°ª:
ÁöÁ¤ÇÑ Class ÀνºÅϽºÀÎ ºñ°ø°³ ÀÚ°ÝÀÇ Set
¿¹¿Ü:
NullPointerException - ÁöÁ¤ÇÑ Class °¡ null °æ¿ì

equals

public boolean equals(Object  o)
ÁöÁ¤ÇÑ Object ¿Í ÀÌ Subject °¡ µ¿ÀÏÇÑÁö ¾î¶²Áö¸¦ ºñ±³ÇÕ´Ï´Ù. ÁöÁ¤ÇÑ ¿ÀºêÁ§Æ®°¡ Subject À̸ç, 2 °³ÀÇ Subject ÀνºÅϽº°¡ µî°¡ÀÎ °æ¿ì¿¡ true¸¦ µ¹·ÁÁÝ´Ï´Ù. º¸´Ù Á¤È®ÇϰԴ Principal Set ¿Í Credential Set °¡ µ¿ÀÏÇÑ °æ¿ì¿¡ 2 °³ÀÇ Subject ÀνºÅϽº´Â µ¿ÀÏÇØÁý´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º Object ³»ÀÇ equals
ÆÄ¶ó¹ÌÅÍ:
o - ÀÌ Subject ¿Í µ¿ÀÏÇÑÁö ¾î¶²Áö¸¦ ºñ±³ÇÏ´Â Object
¹Ýȯ°ª:
ÁöÁ¤µÈ Object °¡ ÀÌ Subject ¿Í µ¿ÀÏÇÑ °æ¿ì´Â true
¿¹¿Ü:
SecurityException - È£Ãâ Ãø¿¡ ÀÌ Subject ºñ°ø°³ ÀÚ°Ý¿¡ÀÇ ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì, ȤÀº, È£Ãâ Ãø¿¡ ÁöÁ¤ÇÑ Subject ºñ°ø°³ ÀÚ°Ý¿¡ÀÇ ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì
°ü·Ã Ç׸ñ:
Object.hashCode(), Hashtable

toString

public String  toString()
ÀÌ Subject String Ç¥ÇöÀ» µ¹·ÁÁÝ´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º Object ³»ÀÇ toString
¹Ýȯ°ª:
ÀÌ Subject String Ç¥Çö

hashCode

public int hashCode()
ÀÌ Subject ÇØ½Ã Äڵ带 µ¹·ÁÁÝ´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º Object ³»ÀÇ hashCode
¹Ýȯ°ª:
ÀÌ Subject ÇØ½Ã ÄÚµå
¿¹¿Ü:
SecurityException - È£Ãâ Ãø¿¡ ÀÌ Subject ºñ°ø°³ ÀÚ°Ý¿¡ÀÇ ¾×¼¼½º±ÇÀÌ ¾ø´Â °æ¿ì
°ü·Ã Ç׸ñ:
Object.equals(java.lang.Object), Hashtable

JavaTM 2 Platform
Standard Ed. 5.0

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms . Documentation Redistribution Policy µµ ÂüÁ¶ÇϽʽÿÀ.