Detect component loops
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@ -1,5 +1,6 @@
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package net.md_5.bungee.chat;
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import com.google.common.base.Preconditions;
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import com.google.gson.JsonDeserializationContext;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonSerializationContext;
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@ -72,6 +73,8 @@ public class BaseComponentSerializer
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protected void serialize(JsonObject object, BaseComponent component, JsonSerializationContext context)
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{
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Preconditions.checkArgument( !ComponentSerializer.serializedComponents.get().contains( component ), "Component loop" );
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ComponentSerializer.serializedComponents.get().add( component );
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if ( component.getColorRaw() != null )
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{
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object.addProperty( "color", component.getColorRaw().getName() );
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@ -14,6 +14,7 @@ import net.md_5.bungee.api.chat.TextComponent;
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import net.md_5.bungee.api.chat.TranslatableComponent;
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import java.lang.reflect.Type;
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import java.util.HashSet;
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public class ComponentSerializer implements JsonSerializer<BaseComponent>, JsonDeserializer<BaseComponent>
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{
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@ -24,6 +25,15 @@ public class ComponentSerializer implements JsonSerializer<BaseComponent>, JsonD
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registerTypeAdapter( TranslatableComponent.class, new TranslatableComponentSerializer() ).
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create();
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public final static ThreadLocal<HashSet<BaseComponent>> serializedComponents = new ThreadLocal<HashSet<BaseComponent>>()
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{
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@Override
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protected HashSet<BaseComponent> initialValue()
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{
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return new HashSet<>();
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}
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};
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public static BaseComponent[] parse(String json)
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{
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if ( json.startsWith( "[" ) )
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@ -64,6 +74,11 @@ public class ComponentSerializer implements JsonSerializer<BaseComponent>, JsonD
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@Override
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public JsonElement serialize(BaseComponent src, Type typeOfSrc, JsonSerializationContext context)
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{
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try {
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return context.serialize( src, src.getClass() );
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} finally
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{
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serializedComponents.get().clear();
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}
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}
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}
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@ -80,4 +80,22 @@ public class ComponentsTest
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+ "World" + ChatColor.YELLOW + ChatColor.BOLD + "!", BaseComponent.toLegacyText( components ) );
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}
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@Test(expected = IllegalArgumentException.class)
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public void testLoopSimple() {
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TextComponent component = new TextComponent( "Testing" );
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component.addExtra( component );
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ComponentSerializer.toString( component );
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}
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@Test(expected = IllegalArgumentException.class)
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public void testLoopComplex() {
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TextComponent a = new TextComponent( "A" );
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TextComponent b = new TextComponent( "B" );
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TextComponent c = new TextComponent( "C" );
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a.addExtra( b );
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b.addExtra( c );
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c.addExtra( a );
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ComponentSerializer.toString( a );
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}
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}
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