io.micronaut.session.binder.OptionalSessionArgumentBinder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of micronaut-session Show documentation

Natively Cloud Native

There is a newer version: 3.10.4

/*
 * 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.session.binder;

import io.micronaut.context.annotation.Requires;
import io.micronaut.core.bind.ArgumentBinder;
import io.micronaut.core.convert.ArgumentConversionContext;
import io.micronaut.core.convert.value.MutableConvertibleValues;
import io.micronaut.core.type.Argument;
import io.micronaut.http.HttpRequest;
import io.micronaut.http.bind.binders.TypedRequestArgumentBinder;
import io.micronaut.http.server.HttpServerConfiguration;
import io.micronaut.session.Session;
import io.micronaut.session.http.HttpSessionFilter;
import jakarta.inject.Singleton;

import java.util.Optional;

/**
 * @author Graeme Rocher
 * @since 1.0
 */
@Singleton
@Requires(classes = HttpServerConfiguration.class)
public class OptionalSessionArgumentBinder implements TypedRequestArgumentBinder> {

    @SuppressWarnings("unchecked")
    @Override
    public Argument> argumentType() {
        Argument argument = Argument.of(Optional.class, Session.class);
        return argument;
    }

    @Override
    public ArgumentBinder.BindingResult> bind(ArgumentConversionContext> context, HttpRequest source) {
        MutableConvertibleValues