Method relativize

Ports/CLDC11/src/java/net/URI.java:699–724

(URI uri)

	///
	/// - [http://docs.oracle.com/javase/6/docs/api/java/net/URI.html#relativize%28java.net.URI%29](http://docs.oracle.com/javase/6/docs/api/java/net/URI.html#relativize%28java.net.URI%29)
	public URI relativize(URI uri) {
		if (isOpaque() || uri.isOpaque()) {
			return uri;
		}
		if (getScheme() == null || uri.getScheme() == null || getScheme().equals(uri.getScheme()) == false) {
			return uri;
		}
		String thisAuthority = null;
		String thatAuthority = null;
		String thisPath = null;
		String thatPath = null;
		if ((thisAuthority = getAuthority()) == null || (thatAuthority = uri.getAuthority()) == null
				|| thisAuthority.equals(thatAuthority) == false) {
			return uri;
		}
		if ((thisPath = getPath()) == null || (thatPath = uri.getPath()) == null
				|| thatPath.startsWith(thisPath + PATH_SEPARATOR) == false) {
			return uri;
		}
		try {
			return new URI(null, null, thatPath.substring(thisPath.length() + 1), uri.getQuery(), uri.getFragment());
		} catch (URISyntaxException e) {
			// Since the two URIs are pre-validated, we should never get here.
			throw new IllegalArgumentException(e.getMessage());
		}
	}

	/// Resolve a relative URI by merging it with this URI.
	///