com.github.platform.team.plugin.util.IOUtils Maven / Gradle / Ivy

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/*
 * Copyright 2018-Present Platform Team.
 *
 * 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.github.platform.team.plugin.util;

import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public abstract class IOUtils {

    private static final int BUFFER_SIZE = 8192;

    public static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] buffer = new byte[BUFFER_SIZE];

        int read;

        try {
            while ((read = in.read(buffer)) > 0) {
                out.write(buffer, 0, read);
            }
        } finally {
            out.flush();
        }
    }

    public static void closeQuietly(Closeable... closeables) {
        for (Closeable closeable : closeables) {
            if (closeable != null) {
                try {
                    closeable.close();
                } catch (IOException e) {
                    // swallow the exception
                }
            }
        }
    }

}