io.rocketbase.commons.util.RolesAuthoritiesConverter Maven / Gradle / Ivy
package io.rocketbase.commons.util;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
public final class RolesAuthoritiesConverter {
/**
* converts a list of roles into a collection of GrantedAuthority
*
* @return never null
*/
public static Collection convert(List roles) {
return roles != null ?
roles.stream()
.map(r -> new SimpleGrantedAuthority(String.format("ROLE_%s", r.replaceAll("^ROLE_", ""))))
.collect(Collectors.toList()) :
Collections.emptyList();
}
/**
* converts a collection of authorities into a list of roles
*
* @return never null
*/
public static List convertToDtos(Collection authorities) {
return authorities != null ?
new ArrayList<>(authorities.stream()
.filter(r -> r.getAuthority() != null)
.map(r -> r.getAuthority())
.collect(Collectors.toSet())) :
Collections.emptyList();
}
/**
* converts a collection of roles into a list of roles
*
* @return never null
*/
public static List convertRoles(List roles) {
return roles != null ?
new ArrayList<>(roles.stream()
.map(r -> String.format("ROLE_%s", r.replaceAll("^ROLE_", "")))
.collect(Collectors.toSet())) :
Collections.emptyList();
}
}