Java Utililty Methods URL Download

List of utility methods to do URL Download

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Description

The list of methods to do URL Download are organized into topic(s).

Method

booleandownImg(String filePath, String imageUrl, String fileName)
down Img 
try {
    File files = new File(filePath);
    if (!files.exists()) {
        files.mkdirs();
    URL url = new URL(imageUrl);
    URLConnection con = url.openConnection();
    InputStream is = con.getInputStream();
...
Stringdownload(final String sURL, final String sFilename)
Download a file at a remote URL to the local disk or to the memory. 
final URL u = new URL(sURL);
final URLConnection conn = u.openConnection();
final InputStream is = conn.getInputStream();
final byte[] buff = new byte[10240];
int read;
final OutputStream os;
String actualFileName = sFilename;
if (sFilename != null) {
...
byte[]download(final URL url)
Will download file data ready to be exported to a file 
return readData(url.openStream());
voiddownload(String downloadUrlStr, String filename)
download data from url. 
File downloadDir = new File(new File(".", "download").getAbsolutePath());
if (!downloadDir.exists()) {
    downloadDir.mkdirs();
File filepath = new File(downloadDir, filename);
System.out.println("------------------------------------");
System.out.println("Start download.");
System.out.println("DOWNLOAD_URL  = " + downloadUrlStr);
...
voiddownload(String fileUrl, String savePath, String fileName)
download 
OutputStream out = null;
DataInputStream input = null;
try {
    File directory = new File(savePath);
    if (!directory.exists() && !directory.isDirectory()) {
        directory.mkdirs();
    if (!checkFileExists(fileUrl)) {
...
byte[]download(String url)
download 
final ByteArrayOutputStream result = new ByteArrayOutputStream();
try (InputStream is = new URL(url).openStream()) {
    copy(is, result);
return result.toByteArray();
voiddownload(String url, String path)
download 
InputStream is = null;
OutputStream os = null;
try {
    is = new URL(url).openStream();
    byte[] bs = new byte[1024];
    int len;
    os = new FileOutputStream(path);
    while ((len = is.read(bs)) != -1) {
...
booleandownload(String url, String saveFile)
download 
try {
    int readCount = 0;
    byte[] buffer = new byte[1204];
    InputStream inputStream = new URL(url).openConnection().getInputStream();
    FileOutputStream fs = new FileOutputStream(saveFile);
    while ((readCount = inputStream.read(buffer)) != -1) {
        fs.write(buffer, 0, readCount);
    return true;
} catch (FileNotFoundException e) {
    return false;
} catch (IOException e) {
    return false;
voiddownload(String url, String toFile)
download 
log.log(Level.INFO, "Downloading {0} ...", url);
long startTime = System.currentTimeMillis();
URL intUrl = new URL(url);
intUrl.openConnection();
InputStream reader = intUrl.openStream();
FileOutputStream writer = new FileOutputStream(toFile);
try {
    byte[] buffer = new byte[BUFFER];
...
voiddownload(String urlAddress, File file)
download 
file.getParentFile().mkdirs();
try {
    OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(file));
    InputStream inputStream = new URL(urlAddress).openConnection().getInputStream();
    byte[] data = new byte[2048];
    int read = 0;
    while ((read = inputStream.read(data)) != -1) {
        outputStream.write(data, 0, read);
...