1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package build.tools.cldrconverter;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 import org.xml.sax.Attributes;
  31 import org.xml.sax.InputSource;
  32 import org.xml.sax.SAXException;
  33 
  34 /**
  35  * Handles parsing of timezone.xml and produces a map from short timezone IDs to
  36  * tz database IDs.
  37  */
  38 
  39 class TimeZoneParseHandler extends AbstractLDMLHandler<Object> {
  40 
  41     @Override
  42     public InputSource resolveEntity(String publicID, String systemID) throws IOException, SAXException {
  43         // avoid HTTP traffic to unicode.org
  44         if (systemID.startsWith(CLDRConverter.BCP47_LDML_DTD_SYSTEM_ID)) {
  45             return new InputSource((new File(CLDRConverter.LOCAL_BCP47_LDML_DTD)).toURI().toString());
  46         }
  47         return null;
  48     }
  49 
  50     @Override
  51     public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
  52         switch (qName) {
  53         case "type":
  54             if (!isIgnored(attributes) && !attributes.getValue("deprecated").equals("true")) {
  55                 put(attributes.getValue("name"), attributes.getValue("alias"));
  56             }
  57             break;
  58         default:
  59             // treat anything else as a container
  60             pushContainer(qName, attributes);
  61             break;
  62         }
  63     }
  64 }