Java Utililty Methods URL Load

List of utility methods to do URL Load

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Description

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

Method

MapreadMappingFile(final URL filename)
read Mapping File 
final Map<String, String> ret = new HashMap<String, String>();
try {
    BufferedReader in = new BufferedReader(new InputStreamReader(filename.openStream()));
    String inputLine;
    while ((inputLine = in.readLine()) != null) {
        String[] retail = inputLine.split("\t");
        if (retail.length >= 2) {
            ret.put(retail[0].trim(), retail[1].trim());
...
OptionalreadModelFromUrl(URL file, Class clazz)
read Model From Url 
try {
    return Optional.of(GSON.fromJson(new InputStreamReader(file.openStream()), clazz));
} catch (IOException e) {
    e.printStackTrace();
return Optional.empty();
StringreadNetFile(String urlstr)
read Net File 
InputStream in = null;
try {
    URL url = new URL(urlstr);
    in = url.openStream();
    String txt = readText(in);
    return new String(txt.getBytes("ISO-8859-1"), "UTF-8");
} catch (Exception e) {
    e.printStackTrace();
...
StringreadPage(final String urlStr)
read Page 
Objects.requireNonNull(urlStr);
final StringBuilder builder = new StringBuilder();
Scanner in = null;
try {
    in = new Scanner(new URL(urlStr).openStream());
    while (in.hasNextLine()) {
        builder.append(in.nextLine());
        builder.append("\n");
...
StringreadPage(URL url)
Read from a page 
return readFromInput(url.openStream());
PropertiesreadProperties(final URL url)
read Properties 
Properties listProps = new Properties();
InputStream stream = null;
try {
    stream = url.openStream();
    listProps.load(stream);
} catch (IOException e) {
    throw new RuntimeException(e);
} finally {
...
PropertiesreadProperties(final URL url)
Loads and returns a Properties from the passed URL 
Properties p = new Properties();
InputStream is = null;
try {
    is = url.openStream();
    if ("XML".equalsIgnoreCase(getExtension(url))) {
        p.loadFromXML(is);
    } else {
        p.load(is);
...
PropertiesreadProperties(URL resource)
read Properties 
Properties properties = new Properties();
InputStream in = null;
try {
    in = resource.openStream();
    in = new BufferedInputStream(in);
    properties.load(in);
} finally {
    try {
...
PropertiesreadPropertyFile(URL url)
This class reads a properties file and replaces constructs surrounded by ${ and } by a system properties specified within the curly brackets. 
if (url == null) {
    throw new IllegalArgumentException("URL must not be null.");
try (InputStream inputStream = url.openStream()) {
    Properties properties = new Properties();
    properties.load(inputStream);
    Pattern pattern = Pattern.compile("\\$\\{([\\w.]+)\\}");
    for (Entry<Object, Object> entry : properties.entrySet()) {
...
ListreadResource(final URL filename)
read Resource 
final List<String> ret = new ArrayList<String>();
try {
    BufferedReader in = new BufferedReader(new InputStreamReader(filename.openStream()));
    String inputLine;
    while ((inputLine = in.readLine()) != null)
        ret.add(inputLine);
    in.close();
} catch (Exception e) {
...