Java InputStream Read by Charset toString(InputStream is, String charset)

Description

to String

License

Open Source License

Declaration

public static String toString(InputStream is, String charset) throws IOException 

Method Source Code

//package com.java2s;
/*/*w  ww .  j  a va  2  s  .com*/
 * Hello Minecraft!.
 * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see {http://www.gnu.org/licenses/}.
 */

import java.io.ByteArrayOutputStream;

import java.io.IOException;
import java.io.InputStream;

import java.io.OutputStream;

import java.nio.charset.Charset;

public class Main {
    /**
     * Max buffer size downloading.
     */
    public static final int MAX_BUFFER_SIZE = 4096;

    public static String toString(InputStream is) throws IOException {
        return readFully(is).toString();
    }

    public static String toString(InputStream is, String charset) throws IOException {
        return readFully(is).toString(charset);
    }

    public static String toString(InputStream is, Charset charset) throws IOException {
        return readFully(is).toString(charset.name());
    }

    public static ByteArrayOutputStream readFully(InputStream stream) throws IOException {
        byte[] data = new byte[MAX_BUFFER_SIZE];
        ByteArrayOutputStream entryBuffer = new ByteArrayOutputStream();
        int len;
        do {
            len = stream.read(data);
            if (len <= 0)
                continue;
            entryBuffer.write(data, 0, len);
        } while (len != -1);

        return entryBuffer;
    }

    public static void write(byte[] data, OutputStream output) throws IOException {
        if (data != null)
            output.write(data);
    }

    public static void write(String data, OutputStream output, String encoding) throws IOException {
        if (data != null)
            output.write(data.getBytes(encoding));
    }
}

Related

1. toString(InputStream in, Charset charset)
2. toString(InputStream input, Charset charset)
3. toString(InputStream input, String charset)
4. toString(InputStream inputStream, Charset charset)
5. toString(InputStream is, Charset charset)
6. toString(InputStream source, Charset charset)
7. toString(InputStream stream, Charset chs)
8. tryParseString(InputStream is, String... charsets)