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SignCompatibilityHandler.java
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SignCompatibilityHandler.java
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/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.extent.clipboard.io.legacycompat;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSyntaxException;
import com.sk89q.jnbt.StringTag;
import com.sk89q.jnbt.Tag;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.blocks.BlockID;
import java.util.Map;
public class SignCompatibilityHandler implements NBTCompatibilityHandler {
@Override
public boolean isAffectedBlock(BaseBlock block) {
return block.getType() == BlockID.SIGN_POST || block.getType() == BlockID.WALL_SIGN;
}
@Override
public void updateNBT(BaseBlock block, Map<String, Tag> values) {
for (int i = 0; i < 4; ++i) {
String key = "Text" + (i + 1);
Tag value = values.get(key);
if (value instanceof StringTag) {
String storedString = ((StringTag) value).getValue();
JsonElement jsonElement = null;
if (storedString != null && storedString.startsWith("{")) {
try {
jsonElement = new JsonParser().parse(storedString);
} catch (JsonSyntaxException ex) {
// ignore: jsonElement will be null in the next check
}
}
if (jsonElement == null) {
jsonElement = new JsonPrimitive(storedString == null ? "" : storedString);
}
if (jsonElement.isJsonObject()) {
continue;
}
if (jsonElement.isJsonNull()) {
jsonElement = new JsonPrimitive("");
}
JsonObject jsonTextObject = new JsonObject();
jsonTextObject.add("text", jsonElement);
values.put("Text" + (i + 1), new StringTag(jsonTextObject.toString()));
}
}
}
}