NumberingSystemsParseHandler.java revision 9330:8b1f1c2a400f 
1/*
2 * Copyright (c) 2012, 2013, 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
34/**
35 * Handles parsing of files in Locale Data Markup Language for numberingSystems.xml
36 * and produces a map that uses the keys and values of JRE locale data.
37 */
38
39class NumberingSystemsParseHandler extends AbstractLDMLHandler<String> {
40
41    NumberingSystemsParseHandler() {
42    }
43
44    @Override
45    public InputSource resolveEntity(String publicID, String systemID) throws IOException, SAXException {
46        // avoid HTTP traffic to unicode.org
47        if (systemID.startsWith(CLDRConverter.SPPL_LDML_DTD_SYSTEM_ID)) {
48            return new InputSource((new File(CLDRConverter.LOCAL_SPPL_LDML_DTD)).toURI().toString());
49        }
50        return null;
51    }
52
53    @Override
54    public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
55        switch (qName) {
56        case "numberingSystem":
57            if ("numeric".equals(attributes.getValue("type"))) {
58                // eg, <numberingSystem id="latn" type="numeric" digits="0123456789"/>
59                put(attributes.getValue("id"), attributes.getValue("digits"));
60            }
61            pushIgnoredContainer(qName);
62            break;
63        case "version":
64        case "generation":
65            pushIgnoredContainer(qName);
66            break;
67        default:
68            // treat anything else as a container
69            pushContainer(qName, attributes);
70            break;
71        }
72    }
73
74    @Override
75    public void endElement(String uri, String localName, String qName) throws SAXException {
76        assert qName.equals(currentContainer.getqName()) : "current=" + currentContainer.getqName() + ", param=" + qName;
77        currentContainer = currentContainer.getParent();
78    }
79}
80