forked from public-mirrors/HSLDataConverter
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William
2 years ago
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@ -0,0 +1,201 @@
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@ -0,0 +1,7 @@
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# HSLDataConverter
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A simple library to convert serialized legacy HuskSync (v1.x) data into Spigot API data.
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This library is only for use in upgrading or converting HuskSync v1.x data in a portable manner and is utilised in HuskSync v2.x for data migration.
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## Building
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To build, simply run `./gradlew clean build` in the source root. Legacy HuskSync serialized classes are bundled and this resource does not depend on the HuskSync plugin itself.
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@ -1,2 +1,2 @@
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rootProject.name = 'HSLMigrator'
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rootProject.name = 'hsldataconverter'
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@ -1,2 +1,123 @@
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package net.william278.hslmigrator;public class HSLConverter {
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package net.william278.hslmigrator;
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import me.william278.husksync.bukkit.data.DataSerializer;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.util.ArrayList;
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import java.util.Base64;
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import java.util.HashMap;
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import java.util.List;
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/**
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* Class used for converting legacy HuskSync data to Bukkit data
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*/
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@SuppressWarnings("unused")
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public class HSLConverter {
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private static HSLConverter instance;
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private HSLConverter() {
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}
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/**
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* Returns an instance of the {@link HSLConverter}
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*
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* @return {@link HSLConverter} instance
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*/
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@NotNull
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public static HSLConverter getInstance() {
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if (instance == null) {
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instance = new HSLConverter();
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}
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return instance;
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}
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/**
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* Deserializes a player's location data from a string into a {@link DataSerializer.PlayerLocation}
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*
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* @param serializedLocationData String containing the player's location data
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* @return {@link DataSerializer.PlayerLocation} containing the player's location data
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* @throws IOException If the string is not a valid Base64 encoded player location string
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*/
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@Nullable
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public DataSerializer.PlayerLocation deserializePlayerLocationData(@NotNull String serializedLocationData)
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throws IOException {
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if (serializedLocationData.isEmpty()) {
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return null;
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}
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try {
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return (DataSerializer.PlayerLocation) deserialize(serializedLocationData);
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} catch (ClassNotFoundException e) {
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throw new IOException("Unable to decode class type.", e);
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}
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}
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/**
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* Deserializes a player's advancement data into {@link DataSerializer.AdvancementRecordDate} data.
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*
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* @param serializedAdvancementData The serialized advancement data {@link String}
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* @return The deserialized {@link DataSerializer.AdvancementRecordDate} for the player
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* @throws IOException If the deserialization fails
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*/
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@SuppressWarnings({"unchecked", "deprecation"}) // Ignore the unchecked cast here
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@NotNull
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public List<DataSerializer.AdvancementRecordDate> deserializeAdvancementData(
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@NotNull String serializedAdvancementData) throws IOException {
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if (serializedAdvancementData.isEmpty()) {
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return new ArrayList<>();
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}
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try {
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List<?> deserialize = (List<?>) deserialize(serializedAdvancementData);
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// Migrate old AdvancementRecord into date format
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if (!deserialize.isEmpty() && deserialize.get(0) instanceof DataSerializer.AdvancementRecord) {
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deserialize = ((List<DataSerializer.AdvancementRecord>) deserialize).stream()
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.map(o -> new DataSerializer.AdvancementRecordDate(
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o.advancementKey(),
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o.awardedAdvancementCriteria()
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)).toList();
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}
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return (List<DataSerializer.AdvancementRecordDate>) deserialize;
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} catch (ClassNotFoundException e) {
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throw new IOException("Unable to decode class type.", e);
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}
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}
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/**
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* Deserializes a player's statistic data as serialized into {@link DataSerializer.StatisticData}.
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*
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* @param serializedStatisticData The serialized statistic data {@link String}
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* @return The deserialized {@link DataSerializer.StatisticData} for the player
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* @throws IOException If the deserialization fails
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*/
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@NotNull
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public DataSerializer.StatisticData deserializeStatisticData(@NotNull String serializedStatisticData)
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throws IOException {
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if (serializedStatisticData.isEmpty()) {
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return new DataSerializer.StatisticData(new HashMap<>(), new HashMap<>(), new HashMap<>(), new HashMap<>());
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}
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try {
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return (DataSerializer.StatisticData) deserialize(serializedStatisticData);
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} catch (ClassNotFoundException e) {
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throw new IOException("Unable to decode class type.", e);
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}
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}
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/**
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* Deserialize an object from a Base64 string
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*/
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@NotNull
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private Object deserialize(@NotNull String serializedString) throws IOException, ClassNotFoundException {
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byte[] data = Base64.getDecoder().decode(serializedString);
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try (ObjectInputStream objectInputStream = new ObjectInputStream(new ByteArrayInputStream(data))) {
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return objectInputStream.readObject();
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}
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}
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}
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