Java URI to Relative URI resolveUri(URI base, String rel)

Description

resolve Uri

License

Apache License

Declaration

public static String resolveUri(URI base, String rel) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URLEncoder;

public class Main {
    public static String resolveUri(URI base, String rel) {
        // FIXME/* w w  w  . j a  v  a 2  s . c o  m*/
        try {
            URI relUri = new URI(rel);
            if (relUri.isAbsolute()) {
                return rel;
            }
        } catch (URISyntaxException e) {
            // silent
        }
        String res;
        try {
            res = resolveRelativeURI(base, rel);
            new URI(res);
            return res;
        } catch (Exception ex) {
            //try encoding
            String encodedRel;
            try {
                encodedRel = URLEncoder.encode(rel, "UTF-8");
            } catch (UnsupportedEncodingException e) {
                //silent
                return "";
            }
            return resolveRelativeURI(base, encodedRel);
        }
    }

    private static String resolveRelativeURI(URI base, String rel) {
        if (base.getFragment() != null) {
            return base + rel;
        }
        return base.resolve(rel).toString();
    }
}

Related

1. resolveRelativeURI(String baseURI, String uriRef)
2. resolveRelativeURI(URI base, String rel)
3. resolveURI(File base_dir, URI uri)
4. resolveURI(final String path)
5. resolveURI(String uri)
6. resolveUri(URI baseUri, String resourceUriStr)
7. resolveUri(URI baseUri, URI requestedUri, URI matchedUri)