StreamUtils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.karaf.util;

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

public class StreamUtils {
    
    private StreamUtils() {
    }

    public static void close(Closeable... closeables) {
        for (Closeable c : closeables) {
            try {
                if (c != null) {
                    c.close();
                }
            } catch (IOException e) {
                // Ignore
            }
        }
    }

    public static void close(Iterable<Closeable> closeables) {
        for (Closeable c : closeables) {
            try {
                if (c != null) {
                    c.close();
                }
            } catch (IOException e) {
                // Ignore
            }
        }
    }

    public static void copy(final InputStream input, final OutputStream output) throws IOException {
        byte[] buffer = new byte[1024 * 16];
        int n;
        while ((n = input.read(buffer)) > 0) {
            output.write(buffer, 0, n);
        }
        output.flush();
    }

}