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/*
* Copyright (C) 2014 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.util;
import java.io.IOException;
/**
* Utility methods for proxying richer exceptions across Binder calls.
*
* @hide
*/
public class ExceptionUtils {
// TODO: longer term these should be replaced with first-class
// Parcel.read/writeException() and AIDL support, but for now do this using
// a nasty hack.
private static final String PREFIX_IO = "\u2603";
public static RuntimeException wrap(IOException e) {
throw new IllegalStateException(PREFIX_IO + e.getMessage());
}
public static void maybeUnwrapIOException(RuntimeException e) throws IOException {
if ((e instanceof IllegalStateException) && e.getMessage().startsWith(PREFIX_IO)) {
throw new IOException(e.getMessage().substring(PREFIX_IO.length()));
}
}
}
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