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/*
 * Copyright (C) 2010 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 libcore.io;

import java.io.InterruptedIOException;
import java.net.Socket;

public final class IoUtils {
    private IoUtils() {}

    /**
     * Closes 'closeable', ignoring any checked exceptions. Does nothing if 'closeable' is null.
     */
    public static void closeQuietly(AutoCloseable closeable) {
        if (closeable != null) {
            try {
                closeable.close();
            } catch (RuntimeException rethrown) {
                throw rethrown;
            } catch (Exception ignored) {
            }
        }
    }

    /**
     * Closes 'socket', ignoring any exceptions. Does nothing if 'socket' is null.
     */
    public static void closeQuietly(Socket socket) {
        if (socket != null) {
            try {
                socket.close();
            } catch (Exception ignored) {
            }
        }
    }

    public static void throwInterruptedIoException() throws InterruptedIOException {
        // This is typically thrown in response to an
        // InterruptedException which does not leave the thread in an
        // interrupted state, so explicitly interrupt here.
        Thread.currentThread().interrupt();
        // TODO: set InterruptedIOException.bytesTransferred
        throw new InterruptedIOException();
    }
}