Java tutorial
//package com.java2s; /** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF 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. */ import java.util.Hashtable; import java.util.Iterator; import java.util.Map; public class Main { public static Hashtable parameterMapToHashtable(Map m) { Hashtable ret = new Hashtable(); ret.putAll(m); for (Iterator i = ret.keySet().iterator(); i.hasNext();) { Object key = i.next(); String[] value = (String[]) ret.get(key); try { ret.put(key, value[0]); } catch (ArrayIndexOutOfBoundsException e) { // This should not happen but if it does just continue // processing. } } return ret; } }