bentobox/src/main/java/world/bentobox/bentobox/database/json/adapters/MaterialTypeAdapter.java

60 lines
1.7 KiB
Java

package world.bentobox.bentobox.database.json.adapters;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.bukkit.Material;
import com.google.common.base.Enums;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
/**
* Minecraft 1.20 changed GRASS to SHORT_GRASS. This class provides and backwards compatibility when loading
* databased files stored with previous versions. It can be extended in the future if further enum changes are made.
* @author tastybento
* @since 2.0.0
*/
public final class MaterialTypeAdapter extends TypeAdapter<Material>
{
/**
* Map that contains string value to the actual Material enum object.
*/
final Map<String, Material> materialMap;
public MaterialTypeAdapter() {
this.materialMap = new HashMap<>();
// Put in current values.
Arrays.stream(Material.values()).forEach(mat -> this.materialMap.put(mat.name(), mat));
// Put in renamed material values.
if (Enums.getIfPresent(Material.class, "SHORT_GRASS").isPresent()) {
this.materialMap.put("GRASS", Material.SHORT_GRASS);
}
}
@Override
public Material read(JsonReader input) throws IOException
{
if (JsonToken.NULL.equals(input.peek())) {
input.nextNull();
return null;
}
return this.materialMap.get(input.nextString().toUpperCase());
}
@Override
public void write(JsonWriter output, Material enumValue) throws IOException {
output.value(enumValue != null ? enumValue.name() : null);
}
}