io.micronaut.http.netty.channel.converters.DefaultChannelOptionFactory Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original authors
*
* Licensed 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
*
* https://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 io.micronaut.http.netty.channel.converters;
import io.micronaut.context.annotation.Requires;
import io.micronaut.context.env.Environment;
import io.micronaut.core.annotation.Internal;
import io.micronaut.core.annotation.TypeHint;
import io.micronaut.core.reflect.GenericTypeUtils;
import io.micronaut.core.reflect.ReflectionUtils;
import io.netty.channel.ChannelOption;
import jakarta.inject.Singleton;
import java.lang.reflect.Field;
import java.util.Optional;
/**
* Creates channel options.
* @author croudet
*/
@Internal
@Requires(missingBeans = { EpollChannelOptionFactory.class, KQueueChannelOptionFactory.class })
@Singleton
@TypeHint(value = ChannelOption.class, accessType = TypeHint.AccessType.ALL_DECLARED_FIELDS)
public class DefaultChannelOptionFactory implements ChannelOptionFactory {
private static Object processChannelOptionValue(Class cls, String name, Object value, Environment env) {
Optional declaredField = ReflectionUtils.findField(cls, name);
if (declaredField.isPresent()) {
Optional> typeArg = GenericTypeUtils.resolveGenericTypeArgument(declaredField.get());
if (typeArg.isPresent()) {
Optional