92 lines
2.8 KiB
Java
92 lines
2.8 KiB
Java
package net.minecraft.server.packs.resources;
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import com.google.common.collect.ImmutableMap;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParseException;
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import com.mojang.serialization.JsonOps;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.nio.charset.StandardCharsets;
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import java.util.Collection;
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import java.util.Optional;
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import net.minecraft.server.packs.metadata.MetadataSectionType;
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import net.minecraft.util.GsonHelper;
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public interface ResourceMetadata {
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ResourceMetadata EMPTY = new ResourceMetadata() {
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@Override
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public <T> Optional<T> getSection(MetadataSectionType<T> type) {
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return Optional.empty();
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}
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};
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IoSupplier<ResourceMetadata> EMPTY_SUPPLIER = () -> EMPTY;
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static ResourceMetadata fromJsonStream(InputStream stream) throws IOException {
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BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
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ResourceMetadata var3;
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try {
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final JsonObject jsonObject = GsonHelper.parse(bufferedReader);
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var3 = new ResourceMetadata() {
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@Override
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public <T> Optional<T> getSection(MetadataSectionType<T> type) {
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String string = type.name();
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if (jsonObject.has(string)) {
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T object = type.codec().parse(JsonOps.INSTANCE, jsonObject.get(string)).getOrThrow(JsonParseException::new);
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return Optional.of(object);
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} else {
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return Optional.empty();
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}
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}
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};
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} catch (Throwable var5) {
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try {
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bufferedReader.close();
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} catch (Throwable var4) {
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var5.addSuppressed(var4);
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}
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throw var5;
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}
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bufferedReader.close();
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return var3;
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}
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<T> Optional<T> getSection(MetadataSectionType<T> type);
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default ResourceMetadata copySections(Collection<MetadataSectionType<?>> serializers) {
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ResourceMetadata.Builder builder = new ResourceMetadata.Builder();
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for (MetadataSectionType<?> metadataSectionType : serializers) {
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this.copySection(builder, metadataSectionType);
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}
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return builder.build();
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}
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private <T> void copySection(ResourceMetadata.Builder builder, MetadataSectionType<T> type) {
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this.getSection(type).ifPresent(object -> builder.put(type, (T)object));
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}
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public static class Builder {
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private final ImmutableMap.Builder<MetadataSectionType<?>, Object> map = ImmutableMap.builder();
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public <T> ResourceMetadata.Builder put(MetadataSectionType<T> type, T value) {
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this.map.put(type, value);
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return this;
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}
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public ResourceMetadata build() {
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final ImmutableMap<MetadataSectionType<?>, Object> immutableMap = this.map.build();
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return immutableMap.isEmpty() ? ResourceMetadata.EMPTY : new ResourceMetadata() {
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@Override
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public <T> Optional<T> getSection(MetadataSectionType<T> type) {
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return Optional.ofNullable(immutableMap.get(type));
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}
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};
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}
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}
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}
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