| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.jackrabbit.oak.spi.security.authentication.token; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Map; |
| import javax.jcr.Credentials; |
| |
| import com.google.common.collect.ImmutableList; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Aggregates a collection of {@link TokenProvider}s into a single |
| * provider. |
| */ |
| public final class CompositeTokenProvider implements TokenProvider { |
| |
| private final List<TokenProvider> providers; |
| |
| private CompositeTokenProvider(@NotNull List<? extends TokenProvider> providers) { |
| this.providers = ImmutableList.copyOf(providers); |
| } |
| |
| @NotNull |
| public static TokenProvider newInstance(@NotNull TokenProvider... providers) { |
| return newInstance(Arrays.<TokenProvider>asList(providers)); |
| } |
| |
| @NotNull |
| public static TokenProvider newInstance(@NotNull List<? extends TokenProvider> providers) { |
| switch (providers.size()) { |
| case 0: return NULL_PROVIDER; |
| case 1: return providers.iterator().next(); |
| default: return new CompositeTokenProvider(providers); |
| } |
| } |
| |
| @Override |
| public boolean doCreateToken(@NotNull Credentials credentials) { |
| for (TokenProvider tp : providers) { |
| if (tp.doCreateToken(credentials)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public TokenInfo createToken(@NotNull Credentials credentials) { |
| for (TokenProvider tp : providers) { |
| TokenInfo info = tp.createToken(credentials); |
| if (info != null) { |
| return info; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public TokenInfo createToken(@NotNull String userId, @NotNull Map<String, ?> attributes) { |
| for (TokenProvider tp : providers) { |
| TokenInfo info = tp.createToken(userId, attributes); |
| if (info != null) { |
| return info; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public TokenInfo getTokenInfo(@NotNull String token) { |
| for (TokenProvider tp : providers) { |
| TokenInfo info = tp.getTokenInfo(token); |
| if (info != null) { |
| return info; |
| } |
| } |
| return null; |
| } |
| |
| private static final TokenProvider NULL_PROVIDER = new TokenProvider() { |
| @Override |
| public boolean doCreateToken(@NotNull Credentials credentials) { |
| return false; |
| } |
| |
| @Override |
| public TokenInfo createToken(@NotNull Credentials credentials) { |
| return null; |
| } |
| |
| @Override |
| public TokenInfo createToken(@NotNull String userId, @NotNull Map<String, ?> attributes) { |
| return null; |
| } |
| |
| @Override |
| public TokenInfo getTokenInfo(@NotNull String token) { |
| return null; |
| } |
| }; |
| } |