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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package com.netscape.jndi.ldap;
import java.util.Hashtable;
import java.util.Properties;
import javax.naming.*;
class LdapNameParser implements NameParser {
private static LdapNameParser m_parser;
// A table with compound name syntax properties
static Properties nameSyntax;
static {
nameSyntax = new Properties();
nameSyntax.put("jndi.syntax.direction", "right_to_left");
nameSyntax.put("jndi.syntax.separator", ",");
nameSyntax.put("jndi.syntax.ignorecase", "true");
nameSyntax.put("jndi.syntax.escape", "\\");
nameSyntax.put("jndi.syntax.beginquote", "\"");
nameSyntax.put("jndi.syntax.trimblanks", "true");
nameSyntax.put("jndi.syntax.separator.ava", "+");
nameSyntax.put("jndi.syntax.separator.typeval", "=");
}
// Can not be constructed
private LdapNameParser() {}
// Shared instance must be used
public static LdapNameParser getParser() {
if (m_parser == null) {
m_parser = new LdapNameParser();
}
return m_parser;
}
// implements parse
public Name parse(String name) throws NamingException {
return new CompoundName(name, nameSyntax);
}
/**
* A convenience method for extracting RDN
* @return RDN for the DN
* @param dn Ldap Distinguished name
* @throw NamingException Name parsing failed
*/
static String getRDN(String dn) throws NamingException {
Name parsedName = getParser().parse(dn);
if (parsedName.size() > 0) {
return parsedName.get(parsedName.size()-1);
}
return "";
}
/**
* A convenience method for extracting attribute name from name=val
* @return attribute name or null if "=" not found
* @param nameEqVal name=value
*/
static String getAttrName(String nameEqVal) throws NamingException {
int eq = nameEqVal.indexOf("=");
return (eq >= 0) ? nameEqVal.substring(0,eq).trim() : null;
}
/**
* A convenience method for extracting attribute value from name=val
* @return attribute value or null if "=" not found
* @param nameEqVal name=value
*/
static String getAttrValue(String nameEqVal) throws NamingException {
int eq = nameEqVal.indexOf("=");
return (eq >= 0) ? nameEqVal.substring(eq+1).trim() : null;
}
/**
* A convenience method for extracting relative name from the ancestor context
* @return name relative to an ancestor context
* @param ctx ancestor context distinguished name
* @param entry distinguished name
*/
static String getRelativeName(String ctx, String entry) throws NamingException{
if (entry==null) {
entry = "";
}
Name contextName = getParser().parse(ctx);
Name entryName = getParser().parse(entry);
if (!entryName.startsWith(contextName)) {
throw new NamingException("Name not in context");
}
return entryName.getSuffix(contextName.size()).toString();
}
/**
* A convenience method for extracting relative name from the ancestor context
* @return name relative to an ancestor context
* @param ctx ancestor context distinguished name
* @param entry distinguished name
*/
static String getRelativeName(Name contextName, String entry) throws NamingException{
if (entry==null) {
entry = "";
}
Name entryName = getParser().parse(entry);
if (!entryName.startsWith(contextName)) {
throw new NamingException("Name not in context");
}
return entryName.getSuffix(contextName.size()).toString();
}
/**
* Unit test
*/
public static void main0(String[] args) {
if (args.length != 1) {
System.out.println("Usage LdapNameParser <name>");
System.exit(1);
}
try {
Name name = getParser().parse(args[0]);
System.out.println(name);
System.out.println("rdn: " + getParser().getRDN(args[0]));
name.add("attr=val");
System.out.println(name);
System.out.println(name.get(0));
System.out.println("in name=val name:<" + getAttrName("name=val ") +
"> val:<" + getAttrValue("name=val ") + ">");
}
catch (Exception e) {
System.err.println(e);
}
}
// Relative name test
public static void main(String[] args) {
if (args.length != 2) {
System.out.println("Usage LdapNameParser <ctxname> <entryname>");
System.exit(1);
}
try {
System.out.println("relativeName: " + getParser().getRelativeName(args[0], args[1]));
}
catch (Exception e) {
System.err.println(e);
}
}
}
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