ImpactMethodImport.java

package org.openlca.jsonld.input;

import org.openlca.core.model.ImpactCategory;
import org.openlca.core.model.ImpactMethod;
import org.openlca.core.model.ModelType;
import org.openlca.core.model.NwSet;
import org.openlca.core.model.Parameter;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;

class ImpactMethodImport extends BaseImport<ImpactMethod> {

	private ImpactMethodImport(String refId, ImportConfig conf) {
		super(ModelType.IMPACT_METHOD, refId, conf);
	}

	static ImpactMethod run(String refId, ImportConfig conf) {
		return new ImpactMethodImport(refId, conf).run();
	}

	@Override
	ImpactMethod map(JsonObject json, long id) {
		if (json == null)
			return null;
		ImpactMethod m = new ImpactMethod();
		In.mapAtts(json, m, id, conf);
		mapCategories(json, m);
		mapNwSets(json, m);
		mapParameters(json, m);
		return conf.db.put(m);
	}

	private void mapCategories(JsonObject json, ImpactMethod m) {
		JsonArray array = In.getArray(json, "impactCategories");
		if (array == null || array.size() == 0)
			return;
		for (JsonElement e : array) {
			if (!e.isJsonObject())
				continue;
			String catId = In.getString(e.getAsJsonObject(), "@id");
			JsonObject catJson = conf.store.get(ModelType.IMPACT_CATEGORY,
					catId);
			ImpactCategory category = ImpactCategories.map(catJson, conf);
			if (category != null)
				m.getImpactCategories().add(category);
		}
	}

	private void mapNwSets(JsonObject json, ImpactMethod m) {
		JsonArray array = In.getArray(json, "nwSets");
		if (array == null)
			return;
		for (JsonElement e : array) {
			if (!e.isJsonObject())
				continue;
			String nwSetId = In.getString(e.getAsJsonObject(), "@id");
			JsonObject nwSetJson = conf.store.get(ModelType.NW_SET, nwSetId);
			NwSet set = NwSets.map(nwSetJson, m.getImpactCategories());
			if (set != null)
				m.getNwSets().add(set);
		}
	}

	private void mapParameters(JsonObject json, ImpactMethod method) {
		JsonArray parameters = In.getArray(json, "parameters");
		if (parameters == null || parameters.size() == 0)
			return;
		for (JsonElement e : parameters) {
			if (!e.isJsonObject())
				continue;
			JsonObject o = e.getAsJsonObject();
			String refId = In.getString(o, "@id");
			ParameterImport pi = new ParameterImport(refId, conf);
			Parameter parameter = new Parameter();
			pi.mapFields(o, parameter);
			method.getParameters().add(parameter);
		}
	}
}