org.jasig.schedassist.impl.ldap.DefaultAttributesMapperImpl.java Source code

Introduction

Here is the source code for org.jasig.schedassist.impl.ldap.DefaultAttributesMapperImpl.java

Source

/**
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig licenses this file to you under the Apache License,
 * Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/**
 * 
 */
package org.jasig.schedassist.impl.ldap;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;

import org.springframework.ldap.core.AttributesMapper;

/**
 * Default {@link AttributesMapper} implementation.
 * 
 * @author Nicholas Blair
 * @version $Id: DefaultAttributesMapperImpl.java $
 */
public class DefaultAttributesMapperImpl implements AttributesMapper {

    protected final LDAPAttributesKey ldapAttributesKey;

    /**
     * 
     * @param ldapAttributesKey
     */
    public DefaultAttributesMapperImpl(LDAPAttributesKey ldapAttributesKey) {
        this.ldapAttributesKey = ldapAttributesKey;
    }

    /* (non-Javadoc)
     * @see org.springframework.ldap.core.AttributesMapper#mapFromAttributes(javax.naming.directory.Attributes)
     */
    @Override
    public Object mapFromAttributes(Attributes attributes) throws NamingException {
        Map<String, List<String>> attributesMap = convertToStringAttributesMap(attributes);

        LDAPPersonCalendarAccountImpl account = new LDAPPersonCalendarAccountImpl(attributesMap, ldapAttributesKey);
        return account;
    }

    /**
     * 
     * @param attributes
     * @return
     * @throws NamingException
     */
    protected final Map<String, List<String>> convertToStringAttributesMap(Attributes attributes)
            throws NamingException {
        Map<String, List<String>> attributesMap = new HashMap<String, List<String>>();

        NamingEnumeration<String> attributeNames = attributes.getIDs();
        while (attributeNames.hasMore()) {
            String attributeName = attributeNames.next();
            if (ldapAttributesKey.getPasswordAttributeName().equalsIgnoreCase(attributeName)) {
                // skip
                continue;
            }
            Attribute attribute = attributes.get(attributeName);
            int numberOfValues = attribute.size();
            for (int i = 0; i < numberOfValues; i++) {
                String value = (String) attribute.get(i);
                if (null != value) {
                    value = value.trim();
                }

                List<String> list = safeGetAttributeList(attributesMap, attributeName.toLowerCase());
                list.add(value);
            }
        }
        return attributesMap;
    }

    /**
     * 
     * @param attributesMap
     * @param attributeName
     * @return
     */
    protected List<String> safeGetAttributeList(Map<String, List<String>> attributesMap, String attributeName) {
        List<String> list = attributesMap.get(attributeName);
        if (list == null) {
            list = new ArrayList<String>();
            attributesMap.put(attributeName, list);
        }

        return list;
    }

}