B. 4 속성의 비교 - xrath.com 에서 번역됨

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부록 B:

## B. 4 속성의 비교

##

| B. 4.1 LDAP C API 를 사용한 비교 | B. 4.2 JNDI 를 사용한 비교

##

### B. 4.1 LDAP C API 를 사용한 비교

>     /*
>      * Copyright (c) 1996.   Netscape Communications Corporation.   All
>      * rights reserved.
>      *
>      * Use ldap_compare() to compare values agains values contained in entry
>      * “cn=Barbara Jensen, ou=Product Development, o=Ace Industry, c=US”.
>      * We test to see if (1) the value “person” is one of the values in the
>      * objectclass attribute (it is), and if (2) the value “xyzzy” is in the
>      * objectlass attribute (it isn’t, or at least, it shouldn’t be).
>      *
>      */
>     #include “examples.h”
>     int
>     main( int main, char **argv )
>     {
>         LDAP        *ld;
>         int         rc;
>         /* get a handle to an LDAP connection */
>         if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
>             perror( “ldap_init” );
>             return( 1 );
>         }
>         /* authenticate to the directory as nobody */
>         if ( ldap_simple_bind_s( ld, NULL, NULL ) ! = LDAP_SUCCESS ) {
>             ldap_perror( ld, “ldap_simple_bind_s” );
>             return( 1 );
>         }
>         /* compare the value “person” against the objectclass attribute */
>         rc = ldap_compare_s( ld, ENTRYDN, “objectclass”, “person” );
>         switch ( rc ) {
>         case LDAP_COMPARE_TRUE:
>             printf( “The value \”person\” is contained in the objectclass “
>                     “attribute. \n” );
>             break;
>         case LDAP_COMPARE_FALSE:
>             printf( “The value \”person\” is not contained in the objectclass “
>                     “attribute. \n” );
>             break;
>         default:
>             ldap_perror( ld, “ldap_compare_s” );
>         }
>         /* compare the value “xyzzy” against the objectclass attribute */
>         rc = ldap_compare_s( ld, ENTRYDN, “objectclass”, “xyzzy” );
>         switch ( rc ) {
>         case LDAP_COMPARE_TRUE:
>             printf( “The value \”xyzzy\” is contained in the objectclass “
>                     “attribute. \n” );
>             break;
>         case LDAP_COMPARE_FALSE:
>             printf( “The value \”xyzzy\” is not contained in the objectclass “
>                     “attribute. \n” );
>             break;
>         default:
>             ldap_perror( ld, “ldap_compare_s” );
>         }
>         ldap_unbind( ld );
>         return( 0 );
>     }

### B. 4.2 JNDI 를 사용한 비교

>     /*
>      * @(#) Compare.java	1.2 99/07/26
>      *
>      * Copyright 1997, 1998, 1999 Sun Microsystems, Inc.  All Rights
>      * Reserved.
>      *
>      * Sun grants you ("Licensee") a non-exclusive, royalty free,
>      * license to use, modify and redistribute this software in source and
>      * binary code form, provided that i) this copyright notice and license
>      * appear on all copies of the software; and ii) Licensee does not utilize
>      * the software in a manner which is disparaging to Sun.
>      *
>      * This software is provided "AS IS, " without a warranty of any
>      * kind.  ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
>      * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
>      * FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.  SUN
>      * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
>      * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THE SOFTWARE
>      * OR ITS DERIVATIVES.  IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
>      * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
>      * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
>      * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
>      * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
>      * POSSIBILITY OF SUCH DAMAGES.
>      *
>      * This software is not designed or intended for use in on-line
>      * control of aircraft, air traffic, aircraft navigation or aircraft
>      * communications; or in the design, construction, operation or
>      * maintenance of any nuclear facility.  Licensee represents and warrants
>      * that it will not use or redistribute the Software for such purposes.
>      */

>     import java.util.Hashtable;

>     import javax.naming. *;
>     import javax.naming.directory. *;
>     /*
>      * Use search() to compare values against values contained in entry
>      * "cn=Barbara Jensen, ou=Product Development, o=Ace Industry, c=US".
>      * We test to see if (1) the value "person" is one of the values in the
>      * objectclass attribute (it is), and if (2) the value "xyzzy" is in the
>      * objectlass attribute (it isn't, or at least, it shouldn't be).
>      *
>      * [equivalent to compare.c in Netscape SDK]
>      *
>      */
>     class Compare {
>     public static void main(String[] args) {
>         Hashtable env = new Hashtable(5, 0.75f);
>         /*
>          * Specify the initial context implementation to use.
>          * This could also be set by using the -D option to the java program.
>          * For example,
>          *    java -Djava.naming.factory.initial=com.sun.jndi.ldap.LdapCtxFactory \
>          *       Compare
>          */
>         env.put(Context.INITIAL_CONTEXT_FACTORY, Env.INITCTX);
>         /* Specify host and port to use for directory service */
>         env.put(Context.PROVIDER_URL, Env.MY_SERVICE);
>         DirContext ctx = null;
>         SearchControls ctls = new SearchControls();
>         ctls.setSearchScope(SearchControls.OBJECT_SCOPE);
>         ctls.setReturningAttributes(new String[0]);  // do not return any attrs
>         try {
>             /* get a handle to an Initial DirContext */
>             ctx = new InitialDirContext(env);
>         } catch (NamingException e) {
>             System.err.println("Cannot get initial context. ");
>             return;
>         }
>         try {
>             NamingEnumeration results =
>                 ctx.search(Env.ENTRYDN, "objectclass=person", ctls);
>             if (results ! = null && results.hasMoreElements()) {
>                 System.out.println(
>                     "The value \"person\" is contained in the objectclass attribute. ");
>             } else {
>                 System.out.println(
>               "The value \"person\" is not contained in the objectclass attribute. " );
>             }
>         } catch (NamingException e) {
>             System.err.println("Comparison of value person failed. ");
>         }
>         try {
>             NamingEnumeration results =
>                 ctx.search(Env.ENTRYDN, "objectclass=xyzzy", ctls);

>             if (results ! = null && results.hasMoreElements()) {
>                 System.out.println(
>                     "The value \"xyzzy\" is contained in the objectclass attribute. ");
>             } else {
>                 System.out.println(
>               "The value \"xyzzy\" is not contained in the objectclass attribute. " );
>             }
>         } catch (NamingException e) {
>             System.err.println("Comparison of value xyzzy failed. ");
>         }
>     }
>     }

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