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
26 package build.tools.cldrconverter;
27
28 import java.util.HashMap;
29 import java.util.Map;
30 import java.util.Set;
31 import org.xml.sax.Attributes;
32 import org.xml.sax.SAXException;
33 import org.xml.sax.SAXParseException;
34 import org.xml.sax.helpers.DefaultHandler;
35
36 /**
37 * This is an abstract class for general LDML parsing purpose.
38 * LDMLParseHandler, SupplementLDMLParseHandler, and NumberingLDMLParseHandler
39 * are the subclasses of this class.
40 */
41
42 abstract class AbstractLDMLHandler<V> extends DefaultHandler {
43 static final Map<String, String> DAY_OF_WEEK_MAP = new HashMap<>();
44 static {
45 DAY_OF_WEEK_MAP.put("sun", "1");
46 DAY_OF_WEEK_MAP.put("mon", "2");
47 DAY_OF_WEEK_MAP.put("tue", "3");
48 DAY_OF_WEEK_MAP.put("wed", "4");
49 DAY_OF_WEEK_MAP.put("thu", "5");
50 DAY_OF_WEEK_MAP.put("fri", "6");
51 DAY_OF_WEEK_MAP.put("sat", "7");
52 }
53 // Collected data in JRE locale data format.
54 private Map<String, V> data = new HashMap<>();
55
56 // The root Container
57 Container currentContainer = new Container("$ROOT", null);
58
59 AbstractLDMLHandler() {
60 }
61
62 Map<String, V> getData() {
63 return data;
64 }
65
66 V put(String key, V value) {
67 return data.put(key, value);
68 }
69
70 V get(String key) {
71 return data.get(key);
72 }
73
74 Set<String> keySet() {
75 return data.keySet();
76 }
77
78 /*
79 * It returns true if the data should be ignored based on the user
80 * defined acceptance level, which is listed with draft attribute in
81 * the cldr locale xml files.
82 * When the alt attribute is present, the data is always ignored since
83 * we always use the primary data
84 */
85 boolean isIgnored(Attributes attributes) {
86 if (attributes.getValue("alt") != null) {
87 return true;
88 }
89 String draftValue = attributes.getValue("draft");
90 if (draftValue != null) {
91 return CLDRConverter.draftType > CLDRConverter.DRAFT_MAP.get(draftValue);
92 }
93 return false;
94 }
95
96 void pushContainer(String qName, Attributes attributes) {
97 if (isIgnored(attributes) || currentContainer instanceof IgnoredContainer) {
98 currentContainer = new IgnoredContainer(qName, currentContainer);
99 } else {
100 currentContainer = new Container(qName, currentContainer);
101 }
102 }
103
104 void pushIgnoredContainer(String qName) {
105 currentContainer = new IgnoredContainer(qName, currentContainer);
106 }
107
108 void pushKeyContainer(String qName, Attributes attributes, String key) {
109 if (!pushIfIgnored(qName, attributes)) {
110 currentContainer = new KeyContainer(qName, currentContainer, key);
111 }
112 }
113
114 /**
115 * start an element that defines a string entry, with the value provided by the element's text.
116 */
117 void pushStringEntry(String qName, Attributes attributes, String key) {
118 if (!pushIfIgnored(qName, attributes)) {
119 currentContainer = new StringEntry(qName, currentContainer, key);
120 }
121 }
122
123 /**
124 * start an element that defines a string entry, with the value provided by an attribute value.
125 */
126 void pushStringEntry(String qName, Attributes attributes, String key, String value) {
127 if (!pushIfIgnored(qName, attributes)) {
128 currentContainer = new StringEntry(qName, currentContainer, key, value);
129 }
130 }
131
132 void pushStringArrayEntry(String qName, Attributes attributes, String key, int length) {
133 if (!pushIfIgnored(qName, attributes)) {
134 currentContainer = new StringArrayEntry(qName, currentContainer, key, length);
135 }
136 }
137
138 void pushStringArrayElement(String qName, Attributes attributes, int index) {
139 if (!pushIfIgnored(qName, attributes)) {
140 currentContainer = new StringArrayElement(qName, currentContainer, index);
141 }
142 }
143
144 private boolean pushIfIgnored(String qName, Attributes attributes) {
145 if (isIgnored(attributes) || currentContainer instanceof IgnoredContainer) {
146 pushIgnoredContainer(qName);
147 return true;
148 }
149 return false;
150 }
151
152 /**
153 * Obtains the key from the innermost containing container that provides one.
154 */
155 String getContainerKey() {
156 Container current = currentContainer;
157 while (current != null) {
158 if (current instanceof KeyContainer) {
159 return ((KeyContainer) current).getKey();
160 }
161 current = current.getParent();
162 }
163 return null;
164 }
165
166 @Override
167 public void characters(char[] ch, int start, int length) throws SAXException {
168 currentContainer.addCharacters(ch, start, length);
169 }
170
171 @SuppressWarnings(value = "CallToThreadDumpStack")
172 @Override
173 public void warning(SAXParseException e) throws SAXException {
174 e.printStackTrace();
175 }
176
177 @SuppressWarnings(value = "CallToThreadDumpStack")
178 @Override
179 public void error(SAXParseException e) throws SAXException {
180 e.printStackTrace();
181 }
182
183 @SuppressWarnings(value = "CallToThreadDumpStack")
184 @Override
185 public void fatalError(SAXParseException e) throws SAXException {
186 e.printStackTrace();
187 super.fatalError(e);
188 }
189 }