private String encodeUri(String uri) {
		String newUri = "";
		StringTokenizer st = new StringTokenizer(uri, "/ ", true);
		while (st.hasMoreTokens()) {
			String tok = st.nextToken();
			if (tok.equals("/"))
				newUri += "/";
			else if (tok.equals(" "))
				newUri += "%20";
			else {
				newUri += URLEncoder.encode(tok);
				// For Java 1.4 you'll want to use this instead:
				// try { newUri += URLEncoder.encode( tok, "UTF-8" ); } catch (
				// java.io.UnsupportedEncodingException uee ) {}
			}
		}
		return newUri;
	}
URL-encodes everything between "/"-characters. Encodes spaces as '%20'
instead of '+'.
selendroid-standalone/src/test/java/io/selendroid/standalone/server/support/NanoHTTPD.java