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

voiddownloadMobiFromEpubUrl(String href)
download Mobi From Epub Url 
URL urlEpub = new URL(href);
String path = urlEpub.getFile();
path = path.substring(0, path.length() - 4).concat("mobi");
URL urlMobi = new URL("http", "bb.bulexpo-bg.com", path);
InputStream in = urlMobi.openStream();
String fileName = path.substring(path.lastIndexOf('/') + 1);
downloadBook(in, fileName);
StringdownloadPageSource(String stringURL)
download Page Source 
URL url;
HttpURLConnection conn;
StringBuilder source = new StringBuilder();
try {
    url = new URL(stringURL);
    conn = (HttpURLConnection) url.openConnection();
} catch (IOException ex) {
    throw ex;
...
voiddownloadSource(PrintStream out, PrintStream err, String srcURL, String dirStr, boolean extract)
download Source 
String fileName = (srcURL.lastIndexOf('/') > 0) ? srcURL.substring(srcURL.lastIndexOf('/') + 1) : srcURL;
try {
    out.println("Connecting...");
    File dir = new File(dirStr);
    if (!dir.exists()) {
        err.println("Destination directory does not exist.");
    File file = new File(dir, fileName);
...
StringdownloadString(String url)
download String 
String s = null;
try {
    BufferedReader reader = new BufferedReader(new InputStreamReader(new URL(url).openStream()));
    String ss;
    while ((ss = reader.readLine()) != null)
        s += ss;
} catch (IOException ex) {
    ex.printStackTrace();
...
StringdownloadString(URL url)
download String 
return readString(url.openStream());
StringdownloadString(URL url)
Downloads data from the given URL and returns it as a string. 
return readString(url.openStream());
StringdownloadText(String url)
Download text from a string url. 
return downloadText(new URL(url));
StringdownloadTextFromUrl(String url)
Downloads text from a given URL and returns it as a String 
InputStream in;
try {
    in = new URL(url).openStream();
    Scanner scan = new Scanner(in);
    return scan.hasNext() ? scan.next() : null;
} catch (MalformedURLException e) {
    e.printStackTrace();
    return null;
...
longdownloadTo(String url, String filename)
download To 
URL httpUrl = new URL(url);
File file = new File(filename);
file.deleteOnExit();
if (file.exists()) {
    if (file.isDirectory()) {
        throw new IOException("File '" + file + "' exists but is a directory");
    if (file.canWrite() == false) {
...
StringdownloadToDirectory(URL url, String directoryName)
Utility to download a remote file from a URL and place the contents into a directory. 
BufferedInputStream inputStream = new BufferedInputStream(url.openStream());
String pathname = url.getPath();
String filename = pathname;
int index = pathname.lastIndexOf("/");
if (index != -1) {
    filename = pathname.substring(index + 1);
int bytes;
...