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/* |
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* This file is part of Araknemu. |
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* |
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* Araknemu is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Araknemu is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with Araknemu. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* Copyright (c) 2017-2020 Vincent Quatrevieux |
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*/ |
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package fr.quatrevieux.araknemu.data.world.transformer; |
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import fr.arakne.utils.encoding.Base64; |
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import fr.quatrevieux.araknemu.data.transformer.Transformer; |
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import fr.quatrevieux.araknemu.data.transformer.TransformerException; |
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import fr.quatrevieux.araknemu.util.Asserter; |
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import org.apache.commons.lang3.StringUtils; |
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import org.checkerframework.checker.index.qual.NonNegative; |
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import org.checkerframework.checker.nullness.qual.PolyNull; |
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import java.util.Arrays; |
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/** |
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* Transform map fight places |
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*/ |
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public final class FightPlacesTransformer implements Transformer<@NonNegative int[][]> { |
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@Override |
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public @PolyNull String serialize(@NonNegative int @PolyNull [][] value) { |
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throw new UnsupportedOperationException(); |
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} |
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@Override |
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@SuppressWarnings("return") // returned values are non negative |
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public @NonNegative int[][] unserialize(@PolyNull String serialize) { |
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if (serialize == null) { |
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return new int[0][]; |
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} |
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1 |
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try { |
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return Arrays.stream(StringUtils.split(serialize, "|", 2)) |
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.map(this::parseTeamPlaces) |
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.toArray(int[][]::new) |
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; |
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} catch (RuntimeException e) { |
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throw new TransformerException("Cannot parse places '" + serialize + "'", e); |
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} |
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} |
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@SuppressWarnings("argument") // String indexes are safe |
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private @NonNegative int[] parseTeamPlaces(String places) { |
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final @NonNegative int[] cells = new int[places.length() / 2]; |
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1 |
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for (int i = 0; i < cells.length; i++) { |
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cells[i] = Asserter.assertNonNegative(Base64.decode(places.substring(2 * i, 2 * i + 2))); |
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} |
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return cells; |
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} |
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} |
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Arakne /
Araknemu
