Get Parent URI : URI « Network « Java Tutorial

  Milyn - Copyright (C) 2006

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License (version 2.1) as published by the Free Software

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of

  See the GNU Lesser General Public License for more details:


 * {@link} utility methods.
 * @author <a href=""></a>
public abstract class URIUtil {

     * Get the parent URI of the supplied URI
     * @param uri The input URI for which the parent URI is being requrested.
     * @return The parent URI.  Returns a URI instance equivalent to "../" if
     * the supplied URI path has no parent.
     * @throws URISyntaxException Failed to reconstruct the parent URI.
    public static URI getParent(URI uri) throws URISyntaxException {

        String parentPath = new File(uri.getPath()).getParent();

        if(parentPath == null) {
            return new URI("../");

        return new URI(uri.getScheme(), uri.getUserInfo(), uri.getHost(), uri.getPort(), parentPath.replace('\\', '/'), uri.getQuery(), uri.getFragment());

19.1.1.Get URI from File
19.1.2.Convert a URL to a URI
19.1.3.Converting Between a URL and a URI
19.1.4.Convert an absolute URI to a URL
19.1.5.Normalize a uri containing ../ and ./ paths.
19.1.6.Converting Between a Filename Path and a URL
19.1.7.A class to represent a Uniform Resource Identifier (URI).
19.1.8.Add parameters stored in the Map to the uri string.
19.1.9.Remove parameters from a uri.
19.1.10.Remove any authorisation details from a URI
19.1.12.Add two URI path segments
19.1.13.Create and resolve URI
19.1.14.Encode a URI path
19.1.15.Find a point in URI where URI can be split into a namespace part and a local name
19.1.16.Get Parent URI
19.1.17.Is Equal URI
19.1.18.Return True if the uri has a scheme