Java Utililty Methods URI to File Name

List of utility methods to do URI to File Name

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Description

The list of methods to do URI to File Name are organized into topic(s).

Method

java.io.FilegetFile(java.net.URI uri)
get File 
if (uri != null) {
    if (uri.getScheme().equalsIgnoreCase("file")) {
        return new java.io.File(uri);
    } else {
        return null;
} else {
    return null;
...
FilegetFile(String ontURI)
Creates a file object for the given local ontology file URI. 
return new File(new URI(ontURI));
StringgetFile(String uri)
Loads a file from a URI, downloading it. 
String txt = "";
try {
    URL oracle = new URL(uri);
    BufferedReader in = new BufferedReader(new InputStreamReader(oracle.openStream()));
    String inputLine;
    while ((inputLine = in.readLine()) != null) {
        txt += inputLine + " \n";
    in.close();
} catch (Exception e) {
return txt;
FilegetFile(URI uri)
get File 
if (uri == null)
    return null;
String proto = uri.toURL().getProtocol();
if (proto == null) {
    return new File(uri);
} else if ("file".equalsIgnoreCase(proto)) 
    String path = uri.toString().replace("file:", "");
...
FilegetFile(URI uri)
Resolves the specified URI, and returns the file represented by the URI. 
if (uri == null)
    throw new IllegalArgumentException("The URI cannot be null.");
if (!"file".equals(uri.getScheme()))
    throw new IllegalArgumentException("Wrong URI scheme for path resolution, expected \"file\" "
            + "and got \"" + uri.getScheme() + "\"");
if (uri.getAuthority() != null)
    try {
        uri = new URI(uri.toString().replace("file://", "file:/"));
...
FilegetFile(URI uri)
Constructs a File instance from a file URI. 
assert uri != null;
File result;
final String scheme = uri.getScheme();
if ((scheme == null) || !scheme.toLowerCase(Locale.ROOT).equals("file")) { 
    result = null;
} else {
    try {
        result = new File(uri);
...
FilegetFileByPathOrURI(String path)
get File By Path Or URI 
path = path.trim();
if (path.startsWith("file://")) {
    path = path.replace(" ", "%20");
    return new File(new URI(path));
} else {
    return new File(path);
StringgetFileFromURIList(URI[] uris, String fileName)
get File From URI List 
for (URI uri : uris) {
    if (uri.getPath().endsWith(fileName)) {
        return uri.getPath();
return null;
StringgetFilename(final URI uri)
Returns the filename for the specified URI. 
if (uri == null)
    throw new IllegalArgumentException("The URI cannot be null.");
final String path = uri.getRawPath();
final int finalSeparator = Math.max(path.lastIndexOf('/'), path.lastIndexOf('\\'));
if (finalSeparator == -1)
    throw new IllegalArgumentException("A separator character could not found in the specified URI.");
if (finalSeparator == path.length() - 1)
    throw new IllegalArgumentException("The specified URI does not point to a file resource.");
...
StringgetFilename(final URI uri)
Gets the file name of a given URI 
URL url;
if (uri == null) {
    throw new MalformedURLException("The input URL 'null' is not valid");
url = uri.toURL();
String filePath = url.getFile();
int lastIndex = filePath.lastIndexOf(URL_SEPARATOR);
String filenameWithParameters = filePath.substring(lastIndex + 1);
...