1 /* 2 * Copyright 2020 The gRPC Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.grpc; 18 19 import com.google.common.base.Preconditions; 20 21 /** 22 * {@code ChannelCredentials} which use per-RPC {@link CallCredentials}. If the {@code 23 * ChannelCredentials} has multiple {@code CallCredentials} (e.g., a composite credential inside a 24 * composite credential), then all of the {@code CallCredentials} should be used; one {@code 25 * CallCredentials} does not override another. 26 */ 27 public final class CompositeChannelCredentials extends ChannelCredentials { create( ChannelCredentials channelCreds, CallCredentials callCreds)28 public static ChannelCredentials create( 29 ChannelCredentials channelCreds, CallCredentials callCreds) { 30 return new CompositeChannelCredentials(channelCreds, callCreds); 31 } 32 33 private final ChannelCredentials channelCredentials; 34 private final CallCredentials callCredentials; 35 CompositeChannelCredentials(ChannelCredentials channelCreds, CallCredentials callCreds)36 private CompositeChannelCredentials(ChannelCredentials channelCreds, CallCredentials callCreds) { 37 this.channelCredentials = Preconditions.checkNotNull(channelCreds, "channelCreds"); 38 this.callCredentials = Preconditions.checkNotNull(callCreds, "callCreds"); 39 } 40 getChannelCredentials()41 public ChannelCredentials getChannelCredentials() { 42 return channelCredentials; 43 } 44 getCallCredentials()45 public CallCredentials getCallCredentials() { 46 return callCredentials; 47 } 48 49 @Override withoutBearerTokens()50 public ChannelCredentials withoutBearerTokens() { 51 return channelCredentials.withoutBearerTokens(); 52 } 53 } 54