Revisions to Convert InputStream to byte array in Java

Edit by Boris Schegolev was not correct: the code will not compile, since OutputStream does not have toByteArray method.

Source Link

edit approved Apr 28, 2018 at 10:21

Ivan Gammel

672
8
18

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    OutputStreamByteArrayOutputStream os = new ByteArrayOutputStream();  
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    OutputStream os = new ByteArrayOutputStream();  
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream(); 
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

improved formatting to follow common IDE conventions

Source Link

edited Apr 27, 2018 at 17:51

Boris Schegolev

3.7k
5
23
35

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    ByteArrayOutputStreamOutputStream os = new ByteArrayOutputStream();  
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream(); 
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    OutputStream os = new ByteArrayOutputStream();  
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

fixed the code to make it working, improved formatting to follow common IDE conventions

Source Link

edit approved Apr 27, 2018 at 17:51

Ivan Gammel

672
8
18

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    OutputStreamByteArrayOutputStream os = new ByteArrayOutputStream();
        
    byte[] buffer = new byte[0xFFFF];
    for (int len=islen = is.read(buffer);len; len != -1;len=is1; len = is.read(buffer))   { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    OutputStream os = new ByteArrayOutputStream();
        
    byte[] buffer = new byte[0xFFFF];
    for(int len=is.read(buffer);len!=-1;len=is.read(buffer))    
        os.write(buffer, 0, len);

    return os.toByteArray();
}

public static byte[] getBytesFromInputStream(InputStream is) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream(); 
    byte[] buffer = new byte[0xFFFF];
    for (int len = is.read(buffer); len != -1; len = is.read(buffer)) { 
        os.write(buffer, 0, len);
    }
    return os.toByteArray();
}