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package com.sun.jndi.cosnaming;

import javax.naming.Name;
import javax.naming.NamingException;

import java.net.MalformedURLException;
import com.sun.jndi.toolkit.url.UrlUtil;

Extract components of a "corbaname" URL. The format of an corbaname URL is defined in INS 99-12-03 as follows.

corbaname url = "corbaname:" ["#" ] corbaloc_obj = ["/" ] obj_addr_list = as defined in a corbaloc URL key_string = as defined in a corbaloc URL string_name = stringified COS name | empty_string

Characters in are escaped as follows. US-ASCII alphanumeric characters are not escaped. Any characters outside of this range are escaped except for the following: ; / : ? @ & = + $ , - _ . ! ~ * ; ( ) Escaped characters is escaped by using a % followed by its 2 hexadecimal numbers representing the octet.

The corbaname URL is parsed into two parts: a corbaloc URL and a COS name. The corbaloc URL is constructed by concatenation "corbaloc:" with . The COS name is with the escaped characters resolved.

A corbaname URL is resolved by:

  1. Construct a corbaloc URL by concatenating "corbaloc:" and .
  2. Resolve the corbaloc URL to a NamingContext by using nctx = ORB.string_to_object(corbalocUrl);
  3. Resolve in the NamingContext.
Author:Rosanna Lee
/** * Extract components of a "corbaname" URL. * * The format of an corbaname URL is defined in INS 99-12-03 as follows. *<p> * corbaname url = "corbaname:" <corbaloc_obj> ["#" <string_name>] * corbaloc_obj = <obj_addr_list> ["/" <key_string>] * obj_addr_list = as defined in a corbaloc URL * key_string = as defined in a corbaloc URL * string_name = stringified COS name | empty_string *<p> * Characters in <string_name> are escaped as follows. * US-ASCII alphanumeric characters are not escaped. Any characters outside * of this range are escaped except for the following: * ; / : ? @ & = + $ , - _ . ! ~ * ; ( ) * Escaped characters is escaped by using a % followed by its 2 hexadecimal * numbers representing the octet. *<p> * The corbaname URL is parsed into two parts: a corbaloc URL and a COS name. * The corbaloc URL is constructed by concatenation "corbaloc:" with * <corbaloc_obj>. * The COS name is <string_name> with the escaped characters resolved. *<p> * A corbaname URL is resolved by: *<ol> *<li>Construct a corbaloc URL by concatenating "corbaloc:" and <corbaloc_obj>. *<li>Resolve the corbaloc URL to a NamingContext by using * nctx = ORB.string_to_object(corbalocUrl); *<li>Resolve <string_name> in the NamingContext. *</ol> * * @author Rosanna Lee */
public final class CorbanameUrl { private String stringName; private String location;
Returns a possibly empty but non-null string that is the "string_name" portion of the URL.
/** * Returns a possibly empty but non-null string that is the "string_name" * portion of the URL. */
public String getStringName() { return stringName; } public Name getCosName() throws NamingException { return CNCtx.parser.parse(stringName); } public String getLocation() { return "corbaloc:" + location; } public CorbanameUrl(String url) throws MalformedURLException { if (!url.startsWith("corbaname:")) { throw new MalformedURLException("Invalid corbaname URL: " + url); } int addrStart = 10; // "corbaname:" int addrEnd = url.indexOf('#', addrStart); if (addrEnd < 0) { addrEnd = url.length(); stringName = ""; } else { stringName = UrlUtil.decode(url.substring(addrEnd+1)); } location = url.substring(addrStart, addrEnd); int keyStart = location.indexOf("/"); if (keyStart >= 0) { // Has key string if (keyStart == (location.length() -1)) { location += "NameService"; } } else { location += "/NameService"; } } /* // for testing only public static void main(String[] args) { try { CorbanameUrl url = new CorbanameUrl(args[0]); System.out.println("location: " + url.getLocation()); System.out.println("string name: " + url.getStringName()); } catch (MalformedURLException e) { e.printStackTrace(); } } */ }