| /* |
| * 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.guacamole.form; |
| |
| /** |
| * Represents a time zone field. The field may contain only valid time zone IDs, |
| * as dictated by TimeZone.getAvailableIDs(). |
| */ |
| public class TimeZoneField extends Field { |
| |
| /** |
| * Creates a new TimeZoneField with the given name. |
| * |
| * @param name |
| * The unique name to associate with this field. |
| */ |
| public TimeZoneField(String name) { |
| super(name, Field.Type.TIMEZONE); |
| } |
| |
| /** |
| * Parses the given string into a time zone ID string. As these strings are |
| * equivalent, the only transformation currently performed by this function |
| * is to ensure that a blank time zone string is parsed into null. |
| * |
| * @param timeZone |
| * The time zone string to parse, which may be null. |
| * |
| * @return |
| * The ID of the time zone corresponding to the given string, or null |
| * if the given time zone string was null or blank. |
| */ |
| public static String parse(String timeZone) { |
| |
| // Return null if no time zone provided |
| if (timeZone == null || timeZone.isEmpty()) |
| return null; |
| |
| // Otherwise, assume time zone is valid |
| return timeZone; |
| |
| } |
| |
| } |