Java Utililty Methods URI to Relative URI

List of utility methods to do URI to Relative URI

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Description

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

Method

URIgetRedirectUri(URI uri, String location)
get Redirect Uri 
URI newUri = uri.resolve(location);
String scheme = newUri.getScheme();
if (scheme == null || !scheme.equalsIgnoreCase("http") && !scheme.equalsIgnoreCase("https")) {
    throw new IllegalArgumentException("The URI scheme, of the URI " + newUri
            + ", must be equal (ignoring case) to 'http' or 'https'");
return newUri;
URIgetRelativeLocalURI(String suffix)
Now works for both linux and windows 
return URI.create("file:///" + getCurrentDir().replace("\\", "/") + suffix);
StringgetRelativeName(File file, URI directory)
get Relative Name 
URI fUri = file.toURI();
return directory.relativize(fUri).getPath();
StringgetRelativePath(URI base, File file)
Return the path for the file relative to the base uri. 
return toString(getRelativeURI(base, file.toURI()));
URIgetRelativePath(URI targetURI, URI baseURI)
Returns a relative path between basePath and targetPath if possible. 
if (!targetURI.isAbsolute() || !baseURI.isAbsolute() || targetURI.isOpaque() || baseURI.isOpaque())
    return targetURI;
if (!targetURI.getScheme().equals(baseURI.getScheme()))
    return targetURI;
String basePath = baseURI.getPath().substring(1);
String targetPath = targetURI.getPath().substring(1);
String[] base = basePath.split("/", -1);
String[] target = targetPath.split("/", 0);
...
StringgetRelativePath(URI targetUri, URI baseUri)
Finds the relative path from the baseUri to the target URI. 
String pathSeparator = "/";
String targetPath = targetUri.getPath();
String[] base;
String[] target;
if (baseUri.toString().startsWith("jar:")) {
    try {
        JarURLConnection conn = (JarURLConnection) (baseUri.toURL().openConnection());
        String entryName = conn.getEntryName();
...
StringgetRelativeURI(String href)
Returns the relative URI of the href argument 
if (href == null)
    return href;
int idx = -1;
try {
    new URL(href);
    idx = href.lastIndexOf(HREF_PATH_SEP);
} catch (MalformedURLException muex) {
    int idx2 = href.lastIndexOf(HREF_PATH_SEP);
...
URIgetRelativeURI(URI base, URI uri)
Return the uri for the uri relative to the base uri. 
if (base != null && uri != null && (uri.getScheme() == null || uri.getScheme().equals(base.getScheme()))) {
    StringTokenizer baseParts = tokenizeBase(base);
    StringTokenizer uriParts = new StringTokenizer(uri.getSchemeSpecificPart(), "/");
    StringBuffer relativePath = new StringBuffer();
    String part = null;
    boolean first = true;
    if (!baseParts.hasMoreTokens()) {
        return uri;
...
URIgetRelativeURI(URI repositoryXml, URI bundleJar)
get Relative URI 
try {
    String repositoryPath = repositoryXml.getPath();
    if (repositoryPath.toLowerCase().endsWith(DOT_XML)) {
        int dirnameIndex = repositoryPath.lastIndexOf('/');
        repositoryPath = repositoryPath.substring(0, dirnameIndex);
    URI rootURI = new URI(null, repositoryPath, null);
    URI localURI = new URI(null, bundleJar.getPath(), null);
...
URIgetRelativeUri(URI rootURI, File file)
get Relative Uri 
if (file == null) {
    return null;
URI uri = file.toURI();
if (rootURI == null) {
    return uri;
return rootURI.relativize(uri);
...