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TextColorSerializer.java
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TextColorSerializer.java
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/*
* This file is part of adventure, licensed under the MIT License.
*
* Copyright (c) 2017-2022 KyoriPowered
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.kyori.adventure.text.serializer.gson;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import net.kyori.adventure.text.format.NamedTextColor;
import net.kyori.adventure.text.format.TextColor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
final class TextColorSerializer extends TypeAdapter<TextColor> {
static final TypeAdapter<TextColor> INSTANCE = new TextColorSerializer(false).nullSafe();
static final TypeAdapter<TextColor> DOWNSAMPLE_COLOR = new TextColorSerializer(true).nullSafe();
private final boolean downsampleColor;
private TextColorSerializer(final boolean downsampleColor) {
this.downsampleColor = downsampleColor;
}
@Override
public void write(final JsonWriter out, final TextColor value) throws IOException {
if (value instanceof NamedTextColor) {
out.value(NamedTextColor.NAMES.key((NamedTextColor) value));
} else if (this.downsampleColor) {
out.value(NamedTextColor.NAMES.key(NamedTextColor.nearestTo(value)));
} else {
out.value(asUpperCaseHexString(value));
}
}
private static String asUpperCaseHexString(final TextColor color) {
return String.format("#%06X", color.value()); // to be consistent with vanilla
}
@Override
public @Nullable TextColor read(final JsonReader in) throws IOException {
final @Nullable TextColor color = fromString(in.nextString());
if (color == null) return null;
return this.downsampleColor ? NamedTextColor.nearestTo(color) : color;
}
static @Nullable TextColor fromString(final @NotNull String value) {
if (value.startsWith("#")) {
return TextColor.fromHexString(value);
} else {
return NamedTextColor.NAMES.value(value);
}
}
}