k_at_the_down_sides_to_using_spring_security_acl">Well lets take a look at the down sides, to using Spring Security ACL</h3>
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It&#8217;s annotations use the Spring EL language, in the form of a string, so&#8230; no compiler help, no IDE help(newer versions of Intellij may help with this), no syntax highlighting, and EL isn&#8217;t as flexible as groovy.
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It uses a "bit mask" for storing permission, while this is very efficient