ByteStringArgumentFactory.java

/*
 * Copyright 2022 Proto Utils Authors
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package net.morimekta.proto.jdbi.v3.util;

import com.google.protobuf.ByteString;
import org.jdbi.v3.core.argument.Argument;
import org.jdbi.v3.core.argument.ArgumentFactory;
import org.jdbi.v3.core.config.ConfigRegistry;

import java.lang.reflect.Type;
import java.util.Optional;

import static net.morimekta.proto.jdbi.MorimektaJdbiOptions.SqlType.VARBINARY;

/**
 * Factory for creating {@link ByteStringArgument} instances from byte string values.
 */
public class ByteStringArgumentFactory implements ArgumentFactory {
    /** Singleton instance. */
    public static final ByteStringArgumentFactory INSTANCE = new ByteStringArgumentFactory();

    /** {@inheritDoc} */
    @Override
    public Optional<Argument> build(Type type, Object value, ConfigRegistry config) {
        if (!type.equals(ByteString.class)) {
            return Optional.empty();
        }
        return Optional.of(new ByteStringArgument((ByteString) value, VARBINARY));
    }
}