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Posted to notifications@groovy.apache.org by "Christopher Smith (Jira)" <ji...@apache.org> on 2020/11/18 00:03:00 UTC
[jira] [Updated] (GROOVY-9821) STC doesn't recognize
interface-based properties
[ https://issues.apache.org/jira/browse/GROOVY-9821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Christopher Smith updated GROOVY-9821:
--------------------------------------
Description:
I have been unable to create a more minimal MCVE, but this is reproducible at will using the Spring Security libraries.
The following method definition:
{code:groovy}
def authorities(Authentication auth) {
auth.authorities*.authority
}
{code}
produces an error
{code}
No such property: authority for class: java.util.Collection <? extends org.springframework.security.core.GrantedAuthority>
{code}
It should be attempting to spread the property access onto the collection's element type, not the collection itself. Using {{*.getAuthority()}} works as expected. I could not replicate with an inline Groovy test case; the resolution works, but invoking against the {{Authentication}} class reliably produces the error. The error occurs in both {{@CompileStatic}} and {{@TypeChecked}}.
Removing static type checking makes Eclipse correctly display the interface-based property.
was:
I have been unable to create a more minimal MCVE, but this is reproducable at will using the Spring Security libraries.
The following method definition:
{code:groovy}
def authorities(Authentication auth) {
auth.authorities*.authority
}
{code}
produces an error
{code}
No such property: authority for class: java.util.Collection <? extends org.springframework.security.core.GrantedAuthority>
{code}
It should be attempting to spread the property access onto the collection's element type, not the collection itself. Using {{*.getAuthority()}} works as expected. I could not replicate with an inline Groovy test case; the resolution works, but invoking against the {{Authentication}} class reliably produces the error.
> STC doesn't recognize interface-based properties
> ------------------------------------------------
>
> Key: GROOVY-9821
> URL: https://issues.apache.org/jira/browse/GROOVY-9821
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 3.0.6
> Reporter: Christopher Smith
> Priority: Minor
>
> I have been unable to create a more minimal MCVE, but this is reproducible at will using the Spring Security libraries.
> The following method definition:
> {code:groovy}
> def authorities(Authentication auth) {
> auth.authorities*.authority
> }
> {code}
> produces an error
> {code}
> No such property: authority for class: java.util.Collection <? extends org.springframework.security.core.GrantedAuthority>
> {code}
> It should be attempting to spread the property access onto the collection's element type, not the collection itself. Using {{*.getAuthority()}} works as expected. I could not replicate with an inline Groovy test case; the resolution works, but invoking against the {{Authentication}} class reliably produces the error. The error occurs in both {{@CompileStatic}} and {{@TypeChecked}}.
> Removing static type checking makes Eclipse correctly display the interface-based property.
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