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/*
* Copyright 2022 Google LLC
*
* 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 com.google.android.libraries.mobiledatadownload.internal;
import com.google.android.libraries.mobiledatadownload.DownloadException;
import com.google.mobiledatadownload.LogEnumsProto.MddLibApiResult;
import java.io.IOException;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
/**
* Maps exception to MddLibApiResult.Code. Used for logging.
*
* @see wireless.android.icing.proto.MddLibApiResult
*/
public final class ExceptionToMddResultMapper {
private ExceptionToMddResultMapper() {
}
/**
* Maps Exception to appropriate MddLibApiResult.Code for logging.
*
* <p>If t is an ExecutionException, then the cause (t.getCause()) is mapped.
*/
public static MddLibApiResult.Code map(Throwable t) {
Throwable cause;
if (t instanceof ExecutionException) {
cause = t.getCause();
} else {
cause = t;
}
if (cause instanceof CancellationException) {
return MddLibApiResult.Code.RESULT_CANCELLED;
} else if (cause instanceof InterruptedException) {
return MddLibApiResult.Code.RESULT_INTERRUPTED;
} else if (cause instanceof IOException) {
return MddLibApiResult.Code.RESULT_IO_ERROR;
} else if (cause instanceof IllegalStateException) {
return MddLibApiResult.Code.RESULT_ILLEGAL_STATE;
} else if (cause instanceof IllegalArgumentException) {
return MddLibApiResult.Code.RESULT_ILLEGAL_ARGUMENT;
} else if (cause instanceof UnsupportedOperationException) {
return MddLibApiResult.Code.RESULT_UNSUPPORTED_OPERATION;
} else if (cause instanceof DownloadException) {
return MddLibApiResult.Code.RESULT_DOWNLOAD_ERROR;
}
// Capturing all other errors occurred during execution as unknown errors.
return MddLibApiResult.Code.RESULT_FAILURE;
}
}
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