MetaZonesParseHandler.java revision 8845:4be14673b9bf
1/* 2 * Copyright (c) 2012, 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 26package build.tools.cldrconverter; 27 28import java.io.File; 29import java.io.IOException; 30import org.xml.sax.Attributes; 31import org.xml.sax.InputSource; 32import org.xml.sax.SAXException; 33 34class MetaZonesParseHandler extends AbstractLDMLHandler<String> { 35 private String tzid, metazone; 36 37 MetaZonesParseHandler() { 38 } 39 40 @Override 41 public InputSource resolveEntity(String publicID, String systemID) throws IOException, SAXException { 42 // avoid HTTP traffic to unicode.org 43 if (systemID.startsWith(CLDRConverter.SPPL_LDML_DTD_SYSTEM_ID)) { 44 return new InputSource((new File(CLDRConverter.LOCAL_SPPL_LDML_DTD)).toURI().toString()); 45 } 46 return null; 47 } 48 49 // metaZone: ID -> metazone 50 // per locale: ID -> names, metazone -> names 51 @Override 52 public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { 53 switch (qName) { 54 case "timezone": 55 tzid = attributes.getValue("type"); 56 pushContainer(qName, attributes); 57 break; 58 59 case "usesMetazone": 60 // Ignore any historical zone names (for now) 61 if (attributes.getValue("to") == null) { 62 metazone = attributes.getValue("mzone"); 63 } 64 pushIgnoredContainer(qName); 65 break; 66 67 case "version": 68 case "generation": 69 pushIgnoredContainer(qName); 70 break; 71 72 default: 73 // treat anything else as a container 74 pushContainer(qName, attributes); 75 break; 76 } 77 } 78 79 @Override 80 public void endElement(String uri, String localName, String qName) throws SAXException { 81 assert qName.equals(currentContainer.getqName()) : "current=" + currentContainer.getqName() + ", param=" + qName; 82 switch (qName) { 83 case "timezone": 84 if (tzid == null || metazone == null) { 85 throw new InternalError(); 86 } 87 put(tzid, metazone); 88 break; 89 } 90 currentContainer = currentContainer.getParent(); 91 } 92} 93