Android Open Source - works-util I O Utils

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright 2014-present Yunarta/*from w ww  .ja  va2  s  .co m*/
 *
 * 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.mobilesolutionworks.android.util;

import java.io.File;
import java.io.*;

/**
 * Created by yunarta on 22/1/14.
 */
public class IOUtils {
    /**
     * Copy source file into destination.
     *
     * @param source      source file
     * @param destination destination
     * @throws IOException if the source file is not found or copy operation failed
     */
    public static void copy(File source, File destination) throws IOException {
        FileInputStream in = new FileInputStream(source);
        FileOutputStream out = new FileOutputStream(destination);

        copy(in, out);
        close(in);
        close(out);
    }

    /**
     * Close any closable gracefully
     *
     * @param closeable @Closable object.
     */
    public static void close(Closeable closeable) {
        try {
            closeable.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    /**
     * Consume an InputStream into a ByteArrayOutputStream.
     * <p/>
     * This method did not close the input stream.
     *
     * @param in input stream
     * @return content of input stream in byte array output stream
     * @throws IOException if the operation failed
     */
    public static ByteArrayOutputStream consumeAsBuffer(InputStream in) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();

        byte[] buf = new byte[10240];
        int read;

        while (-1 != (read = in.read(buf))) {
            out.write(buf, 0, read);
        }

        return out;
    }

    /**
     * Consume an InputStream into String
     * <p/>
     * This method did not close the input stream.
     *
     * @param in input stream
     * @return content of input stream as a String
     * @throws IOException if the operation failed
     */
    public static String consumeAsString(InputStream in) throws IOException {
        return consumeAsBuffer(in).toString("UTF-8");
    }

    /**
     * Copy InputStream content to specified OutputStream
     *
     * @param in  input stream
     * @param out output stream
     * @throws IOException if the operation failed
     */
    public static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] buf = new byte[10240];
        int read;

        while (-1 != (read = in.read(buf))) {
            out.write(buf, 0, read);
        }
    }

    /**
     * Write the byte content input OutputStream
     *
     * @param bytes byte content
     * @param out   output stream
     * @throws IOException if the operation failed
     */
    public static void writeAndClose(byte[] bytes, OutputStream out) throws IOException {
        out.write(bytes);
        out.close();
    }
}

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