StreamUtils.java

/*
 * Copyright 2016 Sam Sun <me@samczsun.com>
 *
 *    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.samczsun.skype4j.internal;

import java.io.*;

public class StreamUtils {
    public static String readFully(InputStream in) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        byte[] chunk = new byte[2048];
        int read;
        while ((read = in.read(chunk)) > 0) out.write(chunk, 0, read);
        return out.toString("UTF-8");
    }

    public static ByteArrayInputStream copy(InputStream in) throws IOException {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        copy(in, out);
        return new ByteArrayInputStream(out.toByteArray());
    }

    public static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] chunk = new byte[2048];
        int read;
        while ((read = in.read(chunk)) > 0) out.write(chunk, 0, read);
    }
}