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package com.artemis.io;

import com.artemis.Component;
import com.artemis.utils.Bag;
import com.esotericsoftware.jsonbeans.Json;
import com.esotericsoftware.jsonbeans.JsonSerializer;
import com.esotericsoftware.jsonbeans.JsonValue;

public class TransmuterEntrySerializer implements JsonSerializer {
	SaveFileFormat.ComponentIdentifiers identifiers;

	@Override
	public void write(Json json, ArchetypeMapper.TransmuterEntry object, Class knownType) {
		json.writeArrayStart();
		for (int i = 0; i < object.componentTypes.size(); i++) {
			Class type = object.componentTypes.get(i);
			String name = identifiers.typeToName.get(type);
			json.writeValue(name);
		}

		json.writeArrayEnd();
	}

	@Override
	public ArchetypeMapper.TransmuterEntry read(Json json, JsonValue jsonData, Class type) {
		Bag components = new Bag();
		for (JsonValue child = jsonData.child; child != null; child = child.next)
			components.add(toClass(json.readValue(String.class, child)));

		return new ArchetypeMapper.TransmuterEntry(components);
	}

	private Class toClass(String klazz) {
		return identifiers.getType(klazz);
	}
}