81 lines
3.2 KiB
Java
81 lines
3.2 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> p_376398_) {
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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 p_215581_) throws IOException {
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ResourceMetadata resourcemetadata;
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try (BufferedReader bufferedreader = new BufferedReader(new InputStreamReader(p_215581_, StandardCharsets.UTF_8))) {
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final JsonObject jsonobject = GsonHelper.parse(bufferedreader);
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resourcemetadata = new ResourceMetadata() {
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@Override
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public <T> Optional<T> getSection(MetadataSectionType<T> p_377366_) {
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String s = p_377366_.name();
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if (jsonobject.has(s)) {
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T t = p_377366_.codec().parse(JsonOps.INSTANCE, jsonobject.get(s)).getOrThrow(JsonParseException::new);
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return Optional.of(t);
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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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}
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return resourcemetadata;
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}
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<T> Optional<T> getSection(MetadataSectionType<T> p_376138_);
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default ResourceMetadata copySections(Collection<MetadataSectionType<?>> p_299820_) {
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ResourceMetadata.Builder resourcemetadata$builder = new ResourceMetadata.Builder();
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for (MetadataSectionType<?> metadatasectiontype : p_299820_) {
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this.copySection(resourcemetadata$builder, metadatasectiontype);
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}
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return resourcemetadata$builder.build();
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}
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private <T> void copySection(ResourceMetadata.Builder p_299159_, MetadataSectionType<T> p_375583_) {
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this.getSection(p_375583_).ifPresent(p_374889_ -> p_299159_.put(p_375583_, (T)p_374889_));
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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> p_377511_, T p_298435_) {
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this.map.put(p_377511_, p_298435_);
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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> p_376403_) {
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return Optional.ofNullable((T)immutablemap.get(p_376403_));
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}
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};
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}
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}
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} |