1 /* 2 * Copyright (C) 2022 The Android Open Source Project 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 com.android.libraries.pcc.chronicle.api.error 18 19 import com.android.libraries.pcc.chronicle.api.Connection 20 import com.android.libraries.pcc.chronicle.api.ConnectionProvider 21 22 /** 23 * Thrown if a particular [Connection] type is supported more than once by the [ConnectionProvider]s 24 * registered with Chronicle. 25 * 26 * **Why is this an error?** 27 * 28 * Connection type is used to uniquely identify a way to access a particular type of data, to 29 * support precise data flow structure and policy enforcement. 30 */ 31 class ConnectionTypeAmbiguity( 32 connectionType: Class<out Connection>, 33 connectionProviders: Set<ConnectionProvider> 34 ) : ChronicleError(constructMessage(connectionType, connectionProviders)) { 35 companion object { constructMessagenull36 private fun constructMessage( 37 connectionType: Class<out Connection>, 38 connectionProviders: Set<ConnectionProvider> 39 ): String { 40 return "Connection type $connectionType supported more than once by " + 41 "connectionProviders(s): $connectionProviders" 42 } 43 } 44 } 45