Java tutorial
/* * This file is part of LanternServer, licensed under the MIT License (MIT). * * Copyright (c) LanternPowered <https://www.lanternpowered.org> * Copyright (c) SpongePowered <https://www.spongepowered.org> * Copyright (c) contributors * * 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 org.lanternpowered.server.text.gson; import com.google.common.collect.ImmutableList; import com.google.gson.JsonDeserializationContext; import com.google.gson.JsonDeserializer; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParseException; import com.google.gson.JsonPrimitive; import com.google.gson.JsonSerializationContext; import com.google.gson.JsonSerializer; import org.spongepowered.api.text.LiteralText; import org.spongepowered.api.text.Text; import org.spongepowered.api.text.format.TextColors; import java.lang.reflect.Type; import static org.lanternpowered.server.text.gson.TextConstants.*; final class JsonTextLiteralSerializer extends JsonTextBaseSerializer implements JsonSerializer<LiteralText>, JsonDeserializer<LiteralText> { private final boolean removeComplexity; JsonTextLiteralSerializer(boolean removeComplexity) { this.removeComplexity = removeComplexity; } @Override public LiteralText deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException { if (json.isJsonPrimitive()) { return Text.of(json.getAsString()); } JsonObject json0 = json.getAsJsonObject(); LiteralText.Builder builder = Text.builder(json0.get(TEXT).getAsString()); deserialize(json0, builder, context); return builder.build(); } @Override public JsonElement serialize(LiteralText src, Type typeOfSrc, JsonSerializationContext context) { return serializeLiteralText(src, src.getContent(), context, this.removeComplexity); } static JsonElement serializeLiteralText(Text text, String content, JsonSerializationContext context, boolean removeComplexity) { final boolean noActionsAndStyle = areActionsAndStyleEmpty(text); final ImmutableList<Text> children = text.getChildren(); if (noActionsAndStyle) { if (children.isEmpty()) { return new JsonPrimitive(content); // Try to make the serialized text object less complex, // like text objects nested in a lot of other // text objects, this seems to happen a lot } else if (removeComplexity && content.isEmpty()) { if (children.size() == 1) { return context.serialize(children.get(0)); } else { return context.serialize(children); } } } final JsonObject json = new JsonObject(); json.addProperty(TEXT, content); serialize(json, text, context); return json; } /** * Gets whether there are no styles or actions applied to the specified {@link Text}. * * @param text The text * @return Are actions and styles empty */ private static boolean areActionsAndStyleEmpty(Text text) { return !text.getHoverAction().isPresent() && !text.getClickAction().isPresent() && !text.getShiftClickAction().isPresent() && text.getStyle().isEmpty() && text.getColor().equals(TextColors.NONE); } }