Download from URLConnection : Url « Network « Android

Download from URLConnection


//package org.mimp.newimp;


class NetUtil {
    public static byte[] download(URLConnection cnx) {
        byte[] dat = null;
        try {
            InputStream is = cnx.getInputStream();
            int len = cnx.getContentLength();
            if (len < 0) {
                ByteArrayOutputStream bao = new ByteArrayOutputStream();
                byte[] buf = new byte[4096];
                for (;;) {
                    int nb =;
                    if (nb <= 0)
                    bao.write(buf, 0, nb);
                dat = bao.toByteArray();
            else {
                dat = new byte[len];
                int i = 0;
                while (i < len) {
                    int n =, i, len - i);
                    if (n <= 0)
                    i += n;
        catch (Exception ex) {
        return dat;


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