129 lines
4.3 KiB
Java
129 lines
4.3 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.media;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.hardware.cas.V1_2.Status;
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/**
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* Base class for MediaCas runtime exceptions
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*/
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public class MediaCasStateException extends IllegalStateException {
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private final int mErrorCode;
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private final String mDiagnosticInfo;
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private MediaCasStateException(int err, @Nullable String msg, @Nullable String diagnosticInfo) {
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super(msg);
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mErrorCode = err;
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mDiagnosticInfo = diagnosticInfo;
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}
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static void throwExceptionIfNeeded(int err) {
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throwExceptionIfNeeded(err, null /* msg */);
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}
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static void throwExceptionIfNeeded(int err, @Nullable String msg) {
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if (err == Status.OK) {
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return;
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}
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if (err == Status.BAD_VALUE) {
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throw new IllegalArgumentException();
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}
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String diagnosticInfo = "";
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switch (err) {
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case Status.ERROR_CAS_UNKNOWN:
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diagnosticInfo = "General CAS error";
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break;
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case Status.ERROR_CAS_NO_LICENSE:
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diagnosticInfo = "No license";
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break;
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case Status.ERROR_CAS_LICENSE_EXPIRED:
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diagnosticInfo = "License expired";
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break;
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case Status.ERROR_CAS_SESSION_NOT_OPENED:
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diagnosticInfo = "Session not opened";
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break;
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case Status.ERROR_CAS_CANNOT_HANDLE:
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diagnosticInfo = "Unsupported scheme or data format";
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break;
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case Status.ERROR_CAS_INVALID_STATE:
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diagnosticInfo = "Invalid CAS state";
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break;
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case Status.ERROR_CAS_INSUFFICIENT_OUTPUT_PROTECTION:
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diagnosticInfo = "Insufficient output protection";
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break;
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case Status.ERROR_CAS_TAMPER_DETECTED:
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diagnosticInfo = "Tamper detected";
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break;
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case Status.ERROR_CAS_DECRYPT_UNIT_NOT_INITIALIZED:
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diagnosticInfo = "Not initialized";
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break;
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case Status.ERROR_CAS_DECRYPT:
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diagnosticInfo = "Decrypt error";
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break;
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case Status.ERROR_CAS_NEED_ACTIVATION:
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diagnosticInfo = "Need Activation";
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break;
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case Status.ERROR_CAS_NEED_PAIRING:
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diagnosticInfo = "Need Pairing";
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break;
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case Status.ERROR_CAS_NO_CARD:
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diagnosticInfo = "No Card";
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break;
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case Status.ERROR_CAS_CARD_MUTE:
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diagnosticInfo = "Card Muted";
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break;
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case Status.ERROR_CAS_CARD_INVALID:
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diagnosticInfo = "Card Invalid";
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break;
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case Status.ERROR_CAS_BLACKOUT:
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diagnosticInfo = "Blackout";
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break;
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case Status.ERROR_CAS_REBOOTING:
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diagnosticInfo = "Rebooting";
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break;
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default:
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diagnosticInfo = "Unknown CAS state exception";
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break;
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}
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throw new MediaCasStateException(err, msg,
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String.format("%s (err=%d)", diagnosticInfo, err));
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}
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/**
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* Retrieve the associated error code
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*
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* @hide
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*/
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public int getErrorCode() {
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return mErrorCode;
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}
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/**
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* Retrieve a developer-readable diagnostic information string
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* associated with the exception. Do not show this to end-users,
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* since this string will not be localized or generally comprehensible
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* to end-users.
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*/
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@NonNull
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public String getDiagnosticInfo() {
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return mDiagnosticInfo;
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}
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}
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