Interface SystemPermissionSet
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- All Superinterfaces:
 PermissionSet<SystemPermission>
- All Known Implementing Classes:
 SimpleSystemPermissionSet
public interface SystemPermissionSet extends PermissionSet<SystemPermission>
A set of permissions which affects the system as a whole. 
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Field Summary
Fields Modifier and Type Field Description static SystemPermissionSetEMPTY_SETAn immutable instance of SystemPermissionSet which contains no permissions. 
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description voidaddPermission(SystemPermission.Type permission)Adds the specified permission.voidaddPermissions(Set<SystemPermission> permissions)Adds the specified permissions, if not already granted.Set<SystemPermission>getPermissions()Returns a Set which contains all permissions granted within this permission set.booleanhasPermission(SystemPermission.Type permission)Tests whether the permission of the given type is granted.voidremovePermission(SystemPermission.Type permission)Removes the specified permission.voidremovePermissions(Set<SystemPermission> permissions)Removes each of the specified permissions, if granted. 
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Field Detail
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EMPTY_SET
static final SystemPermissionSet EMPTY_SET
An immutable instance of SystemPermissionSet which contains no permissions. 
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Method Detail
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hasPermission
boolean hasPermission(SystemPermission.Type permission) throws org.apache.guacamole.GuacamoleException
Tests whether the permission of the given type is granted.- Parameters:
 permission- The permission to check.- Returns:
 - true if the permission is granted, false otherwise.
 - Throws:
 org.apache.guacamole.GuacamoleException- If an error occurs while checking permissions, or if permissions cannot be checked due to lack of permissions to do so.
 
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addPermission
void addPermission(SystemPermission.Type permission) throws org.apache.guacamole.GuacamoleException
Adds the specified permission.- Parameters:
 permission- The permission to add.- Throws:
 org.apache.guacamole.GuacamoleException- If an error occurs while adding the permission, or if permission to add permissions is denied.
 
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removePermission
void removePermission(SystemPermission.Type permission) throws org.apache.guacamole.GuacamoleException
Removes the specified permission.- Parameters:
 permission- The permission to remove.- Throws:
 org.apache.guacamole.GuacamoleException- If an error occurs while removing the permission, or if permission to remove permissions is denied.
 
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getPermissions
Set<SystemPermission> getPermissions() throws org.apache.guacamole.GuacamoleException
Description copied from interface:PermissionSetReturns a Set which contains all permissions granted within this permission set.- Specified by:
 getPermissionsin interfacePermissionSet<SystemPermission>- Returns:
 - A Set containing all permissions granted within this permission set.
 - Throws:
 org.apache.guacamole.GuacamoleException- If an error occurs while retrieving permissions, or if permissions cannot be retrieved due to lack of permissions to do so.
 
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addPermissions
void addPermissions(Set<SystemPermission> permissions) throws org.apache.guacamole.GuacamoleException
Description copied from interface:PermissionSetAdds the specified permissions, if not already granted. If a specified permission is already granted, no operation is performed regarding that permission.- Specified by:
 addPermissionsin interfacePermissionSet<SystemPermission>- Parameters:
 permissions- The permissions to add.- Throws:
 org.apache.guacamole.GuacamoleException- If an error occurs while adding the permissions, or if permission to add permissions is denied.
 
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removePermissions
void removePermissions(Set<SystemPermission> permissions) throws org.apache.guacamole.GuacamoleException
Description copied from interface:PermissionSetRemoves each of the specified permissions, if granted. If a specified permission is not granted, no operation is performed regarding that permission.- Specified by:
 removePermissionsin interfacePermissionSet<SystemPermission>- Parameters:
 permissions- The permissions to remove.- Throws:
 org.apache.guacamole.GuacamoleException- If an error occurs while removing the permissions, or if permission to remove permissions is denied.
 
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