Get LDAP attribute value. - Java javax.naming.directory

Java examples for javax.naming.directory:Attributes

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Description

Get LDAP attribute value.

Demo Code

/**//w w w  .  j  a  va 2 s.  c om
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2009 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: LDAPUtils.java,v 1.2 2009-08-24 11:37:44 hubertlvg Exp $
 *
 */
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.Context;
import javax.naming.NameNotFoundException;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.BasicAttributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;

public class Main{
    private static final Logger logger = Logger.getLogger(LDAPUtils.class
            .getName());
    /**
     * Get attribute value.
     * 
     * @param attrs
     * @param name
     * @return the value of the attribute.
     * @throws BackendException
     */
    public static String getAttributeValue(Attributes attrs, String name)
            throws BackendException {
        String val = null;
        Attribute attr = attrs.get(name);
        try {
            if (attr != null) {
                val = (String) attr.get();
            }
        } catch (NamingException e) {
            logger.log(Level.SEVERE, e.getMessage(), e);
            throw new BackendException(e.getMessage());
        }
        return val;
    }
}

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