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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed 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 android.media;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.ServiceSpecificException;
import static android.media.MediaCasException.*;
/**
* Base class for MediaCas runtime exceptions
*/
public class MediaCasStateException extends IllegalStateException {
private final int mErrorCode;
private final String mDiagnosticInfo;
/** @hide */
public MediaCasStateException(int err, @Nullable String msg, @Nullable String diagnosticInfo) {
super(msg);
mErrorCode = err;
mDiagnosticInfo = diagnosticInfo;
}
static void throwExceptions(ServiceSpecificException e) {
String diagnosticInfo = "";
switch (e.errorCode) {
case ERROR_DRM_UNKNOWN:
diagnosticInfo = "General CAS error";
break;
case ERROR_DRM_NO_LICENSE:
diagnosticInfo = "No license";
break;
case ERROR_DRM_LICENSE_EXPIRED:
diagnosticInfo = "License expired";
break;
case ERROR_DRM_SESSION_NOT_OPENED:
diagnosticInfo = "Session not opened";
break;
case ERROR_DRM_DECRYPT_UNIT_NOT_INITIALIZED:
diagnosticInfo = "Not initialized";
break;
case ERROR_DRM_DECRYPT:
diagnosticInfo = "Decrypt error";
break;
case ERROR_DRM_CANNOT_HANDLE:
diagnosticInfo = "Unsupported scheme or data format";
break;
case ERROR_DRM_TAMPER_DETECTED:
diagnosticInfo = "Tamper detected";
break;
default:
diagnosticInfo = "Unknown CAS state exception";
break;
}
throw new MediaCasStateException(e.errorCode, e.getMessage(),
String.format("%s (err=%d)", diagnosticInfo, e.errorCode));
}
/**
* Retrieve the associated error code
*
* @hide
*/
public int getErrorCode() {
return mErrorCode;
}
/**
* Retrieve a developer-readable diagnostic information string
* associated with the exception. Do not show this to end-users,
* since this string will not be localized or generally comprehensible
* to end-users.
*/
@NonNull
public String getDiagnosticInfo() {
return mDiagnosticInfo;
}
}