1 /* 2 * Copyright (C) 2017 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 android.media; 18 19 import android.hardware.cas.V1_0.Status; 20 21 /** 22 * Base class for MediaCas exceptions 23 */ 24 public class MediaCasException extends Exception { 25 private MediaCasException(String detailMessage) { 26 super(detailMessage); 27 } 28 29 static void throwExceptionIfNeeded(int error) throws MediaCasException { 30 if (error == Status.OK) { 31 return; 32 } 33 34 if (error == Status.ERROR_CAS_NOT_PROVISIONED) { 35 throw new NotProvisionedException(null); 36 } else if (error == Status.ERROR_CAS_RESOURCE_BUSY) { 37 throw new ResourceBusyException(null); 38 } else if (error == Status.ERROR_CAS_DEVICE_REVOKED) { 39 throw new DeniedByServerException(null); 40 } else { 41 MediaCasStateException.throwExceptionIfNeeded(error); 42 } 43 } 44 45 /** 46 * Exception thrown when an attempt is made to construct a MediaCas object 47 * using a CA_system_id that is not supported by the device 48 */ 49 public static final class UnsupportedCasException extends MediaCasException { 50 /** @hide */ 51 public UnsupportedCasException(String detailMessage) { 52 super(detailMessage); 53 } 54 } 55 56 /** 57 * Exception thrown when an operation on a MediaCas object is attempted 58 * before it's provisioned successfully. 59 */ 60 public static final class NotProvisionedException extends MediaCasException { 61 /** @hide */ 62 public NotProvisionedException(String detailMessage) { 63 super(detailMessage); 64 } 65 } 66 67 /** 68 * Exception thrown when the provisioning server or key server denies a 69 * license for a device. 70 */ 71 public static final class DeniedByServerException extends MediaCasException { 72 /** @hide */ 73 public DeniedByServerException(String detailMessage) { 74 super(detailMessage); 75 } 76 } 77 78 /** 79 * Exception thrown when an operation on a MediaCas object is attempted 80 * and hardware resources are not available, due to being in use. 81 */ 82 public static final class ResourceBusyException extends MediaCasException { 83 /** @hide */ 84 public ResourceBusyException(String detailMessage) { 85 super(detailMessage); 86 } 87 } 88 } 89
