Java tutorial
/* * Copyright 2019 ThoughtWorks, Inc. * * 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 com.thoughtworks.go.server.newsecurity.helpers; import com.google.common.collect.Sets; import org.springframework.security.core.GrantedAuthority; import org.springframework.util.Assert; import java.util.HashSet; import java.util.Set; public class AuthorityVerifier { private final HashSet<GrantedAuthority> grantedAuthorities; public AuthorityVerifier(Set<GrantedAuthority> grantedAuthorities) { Assert.notEmpty(grantedAuthorities, "granted authority must not be empty"); Assert.noNullElements(grantedAuthorities.toArray(), "granted authority must not contain null elements"); this.grantedAuthorities = new HashSet<>(grantedAuthorities); } public boolean hasAnyAuthorityMatching(Set<GrantedAuthority> userAuthorities) { return !Sets.intersection(grantedAuthorities, userAuthorities).isEmpty(); } }