io.trino.execution.PrivilegeUtilities Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.trino.execution;
import io.trino.spi.security.Privilege;
import io.trino.sql.tree.Node;
import java.util.EnumSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static io.trino.spi.StandardErrorCode.INVALID_PRIVILEGE;
import static io.trino.sql.analyzer.SemanticExceptions.semanticException;
public class PrivilegeUtilities
{
private PrivilegeUtilities() {}
public static Set parseStatementPrivileges(Node statement, Optional> optionalPrivileges)
{
Set privileges;
if (optionalPrivileges.isPresent()) {
privileges = optionalPrivileges.get().stream()
.map(privilege -> parsePrivilege(statement, privilege))
.collect(toImmutableSet());
}
else {
// All privileges
privileges = EnumSet.allOf(Privilege.class);
}
return privileges;
}
private static Privilege parsePrivilege(Node statement, String privilegeString)
{
for (Privilege privilege : Privilege.values()) {
if (privilege.name().equalsIgnoreCase(privilegeString)) {
return privilege;
}
}
throw semanticException(INVALID_PRIVILEGE, statement, "Unknown privilege: '%s'", privilegeString);
}
}