Replace the placeholders in the filter with the proper values from the userName : Name « JNDI LDAP « Java

1. Java
2. JNDI LDAP
3. Name

Replace the placeholders in the filter with the proper values from the userName

 
/*
 * Copyright 2007 The JA-SIG Collaborative. All rights reserved. See license
 * distributed with this file and available online at
 * http://www.ja-sig.org/products/cas/overview/license/
 */

import java.util.HashMap;
import java.util.Map;

import javax.naming.NamingException;
import javax.naming.directory.DirContext;


/**
 * Utilities related to LDAP functions.
 * 
 * @author Scott Battaglia
 * @version $Revision: 42053 $ $Date: 2007-06-10 09:17:55 -0400 (Sun, 10 Jun 2007) $
 * @since 3.0
 */
public final class LdapUtils {

 
    private LdapUtils() {
        // private constructor so that no one can instantiate.
    }

    /**
     * Utility method to replace the placeholders in the filter with the proper
     * values from the userName.
     * 
     * @param filter
     * @param userName
     * @return the filtered string populated with the username
     */
    public static String getFilterWithValues(final String filter,
        final String userName) {
        final Map<String, String> properties = new HashMap<String, String>();
        final String[] userDomain;
        String newFilter = filter;

        properties.put("%u", userName.replace("\\", "\\\\"));

        userDomain = userName.split("@");

        properties.put("%U", userDomain[0]);

        if (userDomain.length > 1) {
            properties.put("%d", userDomain[1]);

            final String[] dcArray = userDomain[1].split("\\.");

            for (int i = 0; i < dcArray.length; i++) {
                properties.put("%" + (i + 1), dcArray[dcArray.length
                    - 1 - i]);
            }
        }

        for (final String key : properties.keySet()) {
            final String value = properties.get(key);
            newFilter = newFilter.replaceAll(key, value);
        }

        return newFilter;
    }

    /**
     * Close the given context and ignore any thrown exception. This is useful
     * for typical finally blocks in manual Ldap statements.
     * 
     * @param context the Ldap context to close
     */
    public static void closeContext(final DirContext context) {
        if (context != null) {
            try {
                context.close();
            } catch (NamingException ex) {
               
            }
        }
    }
}

   
  

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