128 lines
4.2 KiB
Java
128 lines
4.2 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2018.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library 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 GNU
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml.common;
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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.Map;
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import net.minecraftforge.fml.common.versioning.ArtifactVersion;
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import net.minecraftforge.fml.common.versioning.VersionParser;
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import com.google.common.collect.Maps;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonParseException;
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import com.google.gson.JsonParser;
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import com.google.gson.TypeAdapter;
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import com.google.gson.stream.JsonReader;
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import com.google.gson.stream.JsonWriter;
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import javax.annotation.Nullable;
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public class MetadataCollection
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{
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private String modListVersion;
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private ModMetadata[] modList;
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private Map<String, ModMetadata> metadatas = Maps.newHashMap();
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public static MetadataCollection from(@Nullable InputStream inputStream, String sourceName)
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{
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if (inputStream == null)
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{
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return new MetadataCollection();
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}
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InputStreamReader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
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try
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{
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MetadataCollection collection;
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Gson gson = new GsonBuilder().registerTypeAdapter(ArtifactVersion.class, new ArtifactVersionAdapter()).create();
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JsonParser parser = new JsonParser();
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JsonElement rootElement = parser.parse(reader);
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if (rootElement.isJsonArray())
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{
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collection = new MetadataCollection();
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JsonArray jsonList = rootElement.getAsJsonArray();
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collection.modList = new ModMetadata[jsonList.size()];
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int i = 0;
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for (JsonElement mod : jsonList)
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{
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collection.modList[i++]=gson.fromJson(mod, ModMetadata.class);
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}
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}
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else
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{
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collection = gson.fromJson(rootElement, MetadataCollection.class);
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}
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collection.parseModMetadataList();
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return collection;
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}
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catch (JsonParseException e)
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{
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FMLLog.log.error("The mcmod.info file in {} cannot be parsed as valid JSON. It will be ignored", sourceName, e);
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return new MetadataCollection();
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}
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}
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private void parseModMetadataList()
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{
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for (ModMetadata modMetadata : modList)
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{
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metadatas.put(modMetadata.modId, modMetadata);
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}
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}
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public ModMetadata getMetadataForId(String modId, Map<String, Object> extraData)
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{
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if (!metadatas.containsKey(modId))
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{
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ModMetadata dummy = new ModMetadata();
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dummy.modId = modId;
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dummy.name = (String) extraData.get("name");
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dummy.version = (String) extraData.get("version");
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dummy.autogenerated = true;
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metadatas.put(modId, dummy);
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}
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return metadatas.get(modId);
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}
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public static class ArtifactVersionAdapter extends TypeAdapter<ArtifactVersion>
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{
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@Override
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public void write(JsonWriter out, ArtifactVersion value) throws IOException
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{
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// no op - we never write these out
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}
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@Override
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public ArtifactVersion read(JsonReader in) throws IOException
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{
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return VersionParser.parseVersionReference(in.nextString());
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}
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}
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}
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