Java Access Control List (Java ACL)
Definition - What does Java Access Control List (Java ACL) mean?
The java.security.acl package contains all interfaces required to implement the Java ACL, while the sun.security.acl data structure specifies the default java.security.acl package implementation. The Java ACL principal or group object is a human or system process, and the permission object is a user-allowed operation.
Techopedia explains Java Access Control List (Java ACL)
In the Java ACL model, a user may need to request a specific data operation. The ACL checks its entries to determine user permissions and if the user is authorized, the user may perform the operation. The ACL is a guard that grants or denies access permission by acting on contained data entries.
Java ACL may be explained with the following example: An individual named John wants to delete a particular piece of data. When John makes a request to delete the data, the ACL checks its entries to verify whether or not John may perform this action. If an entry confirms that John is authorized, John may delete the data. If John does not have the appropriate user permission, he is unable to perform the deletion and is denied access.
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