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
48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
49 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
50 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
52 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
53 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
54 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
55 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 */
57 package build.tools.tzdb;
58
59 import java.io.ByteArrayOutputStream;
60 import java.io.DataOutputStream;
61 import java.nio.charset.StandardCharsets;
62 import java.nio.file.Files;
63 import java.nio.file.Path;
64 import java.nio.file.Paths;
65 import java.text.ParsePosition;
66 import java.util.ArrayList;
67 import java.util.Arrays;
68 import java.util.HashMap;
69 import java.util.HashSet;
70 import java.util.List;
71 import java.util.Map;
72 import java.util.NoSuchElementException;
73 import java.util.Scanner;
74 import java.util.SortedMap;
75 import java.util.TreeMap;
76 import java.util.regex.Matcher;
77 import java.util.regex.MatchResult;
78 import java.util.regex.Pattern;
79
80 /**
81 * A compiler that reads a set of TZDB time-zone files and builds a single
82 * combined TZDB data file.
83 *
84 * @since 1.8
85 */
86 public final class TzdbZoneRulesCompiler {
87
88 public static void main(String[] args) {
89 new TzdbZoneRulesCompiler().compile(args);
90 }
91
92 private void compile(String[] args) {
93 if (args.length < 2) {
94 outputHelp();
95 return;
96 }
97 Path srcDir = null;
98 Path dstFile = null;
239 /**
240 * Outputs the file.
241 */
242 private void outputFile(Path dstFile, String version,
243 SortedMap<String, ZoneRules> builtZones,
244 Map<String, String> links) {
245 try (DataOutputStream out = new DataOutputStream(Files.newOutputStream(dstFile))) {
246 // file version
247 out.writeByte(1);
248 // group
249 out.writeUTF("TZDB");
250 // versions
251 out.writeShort(1);
252 out.writeUTF(version);
253 // regions
254 String[] regionArray = builtZones.keySet().toArray(new String[builtZones.size()]);
255 out.writeShort(regionArray.length);
256 for (String regionId : regionArray) {
257 out.writeUTF(regionId);
258 }
259 // rules -- hashset -> remove the dup
260 List<ZoneRules> rulesList = new ArrayList<>(new HashSet<>(builtZones.values()));
261 out.writeShort(rulesList.size());
262 ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
263 for (ZoneRules rules : rulesList) {
264 baos.reset();
265 DataOutputStream dataos = new DataOutputStream(baos);
266 rules.writeExternal(dataos);
267 dataos.close();
268 byte[] bytes = baos.toByteArray();
269 out.writeShort(bytes.length);
270 out.write(bytes);
271 }
272 // link version-region-rules
273 out.writeShort(builtZones.size());
274 for (Map.Entry<String, ZoneRules> entry : builtZones.entrySet()) {
275 int regionIndex = Arrays.binarySearch(regionArray, entry.getKey());
276 int rulesIndex = rulesList.indexOf(entry.getValue());
277 out.writeShort(regionIndex);
278 out.writeShort(rulesIndex);
279 }
280 // alias-region
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1 /*
2 * Copyright (c) 2012, 2018, 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
48 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
49 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
50 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
52 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
53 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
54 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
55 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 */
57 package build.tools.tzdb;
58
59 import java.io.ByteArrayOutputStream;
60 import java.io.DataOutputStream;
61 import java.nio.charset.StandardCharsets;
62 import java.nio.file.Files;
63 import java.nio.file.Path;
64 import java.nio.file.Paths;
65 import java.text.ParsePosition;
66 import java.util.ArrayList;
67 import java.util.Arrays;
68 import java.util.List;
69 import java.util.Map;
70 import java.util.NoSuchElementException;
71 import java.util.Scanner;
72 import java.util.SortedMap;
73 import java.util.TreeMap;
74 import java.util.regex.Matcher;
75 import java.util.regex.MatchResult;
76 import java.util.regex.Pattern;
77 import java.util.stream.Collectors;
78
79 /**
80 * A compiler that reads a set of TZDB time-zone files and builds a single
81 * combined TZDB data file.
82 *
83 * @since 1.8
84 */
85 public final class TzdbZoneRulesCompiler {
86
87 public static void main(String[] args) {
88 new TzdbZoneRulesCompiler().compile(args);
89 }
90
91 private void compile(String[] args) {
92 if (args.length < 2) {
93 outputHelp();
94 return;
95 }
96 Path srcDir = null;
97 Path dstFile = null;
238 /**
239 * Outputs the file.
240 */
241 private void outputFile(Path dstFile, String version,
242 SortedMap<String, ZoneRules> builtZones,
243 Map<String, String> links) {
244 try (DataOutputStream out = new DataOutputStream(Files.newOutputStream(dstFile))) {
245 // file version
246 out.writeByte(1);
247 // group
248 out.writeUTF("TZDB");
249 // versions
250 out.writeShort(1);
251 out.writeUTF(version);
252 // regions
253 String[] regionArray = builtZones.keySet().toArray(new String[builtZones.size()]);
254 out.writeShort(regionArray.length);
255 for (String regionId : regionArray) {
256 out.writeUTF(regionId);
257 }
258 // rules -- remove the dup
259 List<ZoneRules> rulesList = builtZones.values().stream()
260 .distinct()
261 .collect(Collectors.toList());
262 out.writeShort(rulesList.size());
263 ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
264 for (ZoneRules rules : rulesList) {
265 baos.reset();
266 DataOutputStream dataos = new DataOutputStream(baos);
267 rules.writeExternal(dataos);
268 dataos.close();
269 byte[] bytes = baos.toByteArray();
270 out.writeShort(bytes.length);
271 out.write(bytes);
272 }
273 // link version-region-rules
274 out.writeShort(builtZones.size());
275 for (Map.Entry<String, ZoneRules> entry : builtZones.entrySet()) {
276 int regionIndex = Arrays.binarySearch(regionArray, entry.getKey());
277 int rulesIndex = rulesList.indexOf(entry.getValue());
278 out.writeShort(regionIndex);
279 out.writeShort(rulesIndex);
280 }
281 // alias-region
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