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Core Katharsis library

There is a newer version: 3.0.2

package io.katharsis.dispatcher.controller.resource;

import io.katharsis.dispatcher.controller.HttpMethod;
import io.katharsis.repository.RelationshipRepository;
import io.katharsis.request.dto.DataBody;
import io.katharsis.resource.registry.ResourceRegistry;
import io.katharsis.utils.parser.TypeParser;

import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;

public class RelationshipsResourcePost extends RelationshipsResourceUpsert {

    public RelationshipsResourcePost(ResourceRegistry resourceRegistry, TypeParser typeParser) {
        super(resourceRegistry, typeParser);
    }

    @Override
    public HttpMethod method() {
        return HttpMethod.POST;
    }

    @Override
    public void processToManyRelationship(Object resource, Class relationshipIdType, String elementName,
                                          Iterable dataBodies, RelationshipRepository relationshipRepositoryForClass) {
        List parsedIds = new LinkedList<>();

        dataBodies.forEach(dataBody -> {
            Serializable parsedId = typeParser.parse(dataBody.getId(), relationshipIdType);
            parsedIds.add(parsedId);
        });
        //noinspection unchecked
        relationshipRepositoryForClass.addRelations(resource, parsedIds, elementName);
    }

    @Override
    protected void processToOneRelationship(Object resource, Class relationshipIdType,
                                            String elementName, DataBody dataBody, RelationshipRepository relationshipRepositoryForClass) {
        Serializable parsedId = null;
        if (dataBody != null) {
            parsedId = typeParser.parse(dataBody.getId(), relationshipIdType);
        }
        //noinspection unchecked
        relationshipRepositoryForClass.setRelation(resource, parsedId, elementName);
    }
}