| /* |
| * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * <code>BackEnd</code> is an abstract base class for a back-end of compiling |
| * Olson's zoneinfo database and generating Java zoneinfo database. |
| * |
| * @since 1.4 |
| */ |
| abstract class BackEnd { |
| |
| /** |
| * Receives each zone's TimeZone information which was created by |
| * {@link Zoneinfo#parse} in class <code>Zoneinfo</code>, |
| * and processes it. |
| * |
| * @param tz Timezone object for each zone |
| * @return 0 if no error occurred, otherwise 1. |
| */ |
| abstract int processZoneinfo(Timezone tz); |
| |
| /** |
| * Receives whole information which is generated by JavaZic's front-end |
| * in the form of Mapping object and generates all Java zone information |
| * files. |
| * |
| * @param m Mappings object which is generated by |
| * {@link Main#compile() Main.compile()}. |
| * @return 0 if no error occurred, otherwise 1. |
| */ |
| abstract int generateSrc(Mappings m); |
| |
| /** |
| * Decides which backend class should be used and returns its instance. |
| * @return an instance of backend class |
| */ |
| static BackEnd getBackEnd() { |
| if (Zoneinfo.isYearForTimeZoneDataSpecified) { |
| return new Simple(); |
| } else if (Main.outputDoc) { |
| return new GenDoc(); |
| } else { |
| return new Gen(); |
| } |
| } |
| } |