| /**************************************************************** |
| * 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. * |
| ****************************************************************/ |
| |
| package org.apache.james.mime4j.field.address; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * An immutable, random-access list of Strings (that |
| * are supposedly domain names or domain literals). |
| * |
| * |
| */ |
| public class DomainList { |
| private ArrayList<String> domains; |
| |
| /** |
| * @param domains An ArrayList that contains only String objects. |
| * @param dontCopy true iff it is not possible for the domains ArrayList to be modified by someone else. |
| */ |
| public DomainList(ArrayList<String> domains, boolean dontCopy) { |
| if (domains != null) |
| this.domains = (dontCopy ? domains : new ArrayList<String>(domains)); |
| else |
| this.domains = new ArrayList<String>(0); |
| } |
| |
| /** |
| * The number of elements in this list. |
| */ |
| public int size() { |
| return domains.size(); |
| } |
| |
| /** |
| * Gets the domain name or domain literal at the |
| * specified index. |
| * @throws IndexOutOfBoundsException If index is < 0 or >= size(). |
| */ |
| public String get(int index) { |
| if (0 > index || size() <= index) |
| throw new IndexOutOfBoundsException(); |
| return domains.get(index); |
| } |
| |
| /** |
| * Returns the list of domains formatted as a route |
| * string (not including the trailing ':'). |
| */ |
| public String toRouteString() { |
| StringBuffer out = new StringBuffer(); |
| for (int i = 0; i < domains.size(); i++) { |
| out.append("@"); |
| out.append(get(i)); |
| if (i + 1 < domains.size()) |
| out.append(","); |
| } |
| return out.toString(); |
| } |
| } |