- java.lang.Object
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- com.sun.security.auth.UnixNumericGroupPrincipal
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- All Implemented Interfaces:
Serializable,Principal
public class UnixNumericGroupPrincipal extends Object implements Principal, Serializable
This class implements thePrincipalinterface and represents a user's Unix group identification number (GID).Principals such as this
UnixNumericGroupPrincipalmay be associated with a particularSubjectto augment thatSubjectwith an additional identity. Refer to theSubjectclass for more information on how to achieve this. Authorization decisions can then be based upon the Principals associated with aSubject.- See Also:
Principal,Subject, Serialized Form
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Constructor Summary
Constructors Constructor Description UnixNumericGroupPrincipal(long name, boolean primaryGroup)Create aUnixNumericGroupPrincipalusing a long representation of the user's group identification number (GID).UnixNumericGroupPrincipal(String name, boolean primaryGroup)Create aUnixNumericGroupPrincipalusing aStringrepresentation of the user's group identification number (GID).
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleanequals(Object o)Compares the specified Object with thisUnixNumericGroupPrincipalfor equality.StringgetName()Return the user's group identification number (GID) for thisUnixNumericGroupPrincipal.inthashCode()Return a hash code for thisUnixNumericGroupPrincipal.booleanisPrimaryGroup()Return whether this group identification number (GID) represents the primary group to which this user belongs.longlongValue()Return the user's group identification number (GID) for thisUnixNumericGroupPrincipalas a long.StringtoString()Return a string representation of thisUnixNumericGroupPrincipal.
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Constructor Detail
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UnixNumericGroupPrincipal
public UnixNumericGroupPrincipal(String name, boolean primaryGroup)
Create aUnixNumericGroupPrincipalusing aStringrepresentation of the user's group identification number (GID).- Parameters:
name- the user's group identification number (GID) for this user.primaryGroup- true if the specified GID represents the primary group to which this user belongs.- Throws:
NullPointerException- if thenameisnull.
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UnixNumericGroupPrincipal
public UnixNumericGroupPrincipal(long name, boolean primaryGroup)Create aUnixNumericGroupPrincipalusing a long representation of the user's group identification number (GID).- Parameters:
name- the user's group identification number (GID) for this user represented as a long.primaryGroup- true if the specified GID represents the primary group to which this user belongs.
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Method Detail
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getName
public String getName()
Return the user's group identification number (GID) for thisUnixNumericGroupPrincipal.
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longValue
public long longValue()
Return the user's group identification number (GID) for thisUnixNumericGroupPrincipalas a long.- Returns:
- the user's group identification number (GID) for this
UnixNumericGroupPrincipalas a long.
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isPrimaryGroup
public boolean isPrimaryGroup()
Return whether this group identification number (GID) represents the primary group to which this user belongs.- Returns:
- true if this group identification number (GID) represents the primary group to which this user belongs, or false otherwise.
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toString
public String toString()
Return a string representation of thisUnixNumericGroupPrincipal.
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equals
public boolean equals(Object o)
Compares the specified Object with thisUnixNumericGroupPrincipalfor equality. Returns true if the given object is also aUnixNumericGroupPrincipaland the two UnixNumericGroupPrincipals have the same group identification number (GID).
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hashCode
public int hashCode()
Return a hash code for thisUnixNumericGroupPrincipal.- Specified by:
hashCodein interfacePrincipal- Overrides:
hashCodein classObject- Returns:
- a hash code for this
UnixNumericGroupPrincipal. - See Also:
Object.equals(java.lang.Object),System.identityHashCode(java.lang.Object)
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