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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.timezone.location.tools;
import com.android.timezone.location.storage.tzs2range.TzS2Range;
import com.android.timezone.location.storage.tzs2range.TzS2RangeFileFormat;
import com.android.timezone.location.storage.tzs2range.write.TzS2RangeFileWriter;
import java.io.File;
import java.util.Arrays;
import java.util.List;
/** Creates a TZ S2 file with a small amount of test data. Useful for testing other tools. */
public final class CreateTestFile {
/**
* Usage:
* CreateTestFile <file name>
*/
public static void main(String[] args) throws Exception {
File file = new File(args[0]);
TzS2RangeFileFormat fileFormat = FileFormats.getFileFormatForLevel(12);
if (fileFormat.getPrefixBitCount() != 11) {
throw new IllegalStateException("Fake data requires 11 prefix bits");
}
try (TzS2RangeFileWriter tzS2RangeFileWriter = TzS2RangeFileWriter.open(file, fileFormat)) {
// Two ranges that share a prefix.
TzS2Range range1 = new TzS2Range(
fileFormat.createCellId(0b100_11111111, 1000),
fileFormat.createCellId(0b100_11111111, 2000),
listOf("One"));
TzS2Range range2 = new TzS2Range(
fileFormat.createCellId(0b100_11111111, 2000),
fileFormat.createCellId(0b100_11111111, 3000),
listOf("Two"));
// This range has a different face, so a different prefix, and will be in a different
// suffix table.
TzS2Range range3 = new TzS2Range(
fileFormat.createCellId(0b101_11111111, 1000),
fileFormat.createCellId(0b101_11111111, 2000),
listOf("Three"));
List<TzS2Range> allRanges = listOf(range1, range2, range3);
tzS2RangeFileWriter.processRanges(allRanges.iterator());
}
}
@SafeVarargs
private static <E> List<E> listOf(E... values) {
return Arrays.asList(values);
}
}
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