001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.console.util;
019    
020    import java.util.Hashtable;
021    import java.util.Iterator;
022    import java.util.Map;
023    
024    /**
025     * @author dimperial
026     *
027     * TODO To change the template for this generated type comment go to Window -
028     * Preferences - Java - Code Style - Code Templates
029     */
030    public abstract class CollectionHelper {
031    
032        public static Hashtable parameterMapToHashtable(Map m) {
033            Hashtable ret = new Hashtable();
034            ret.putAll(m);
035            for (Iterator i = ret.keySet().iterator(); i.hasNext();) {
036                Object key = i.next();
037                String[] value = (String[]) ret.get(key);
038                try {
039                    ret.put(key, value[0]);
040                } catch (ArrayIndexOutOfBoundsException e) {
041                    // This should not happen but if it does just continue
042                    // processing.
043                }
044            }
045            return ret;
046        }
047    
048    }