ratpack.session.NewSessionModule.java Source code

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Here is the source code for ratpack.session.NewSessionModule.java

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/*
 * Copyright 2015 the original author or 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
 *
 *    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 ratpack.session;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import ratpack.exec.ExecControl;
import ratpack.guice.ConfigurableModule;
import ratpack.guice.ExecutionScoped;
import ratpack.http.Request;
import ratpack.http.Response;
import ratpack.server.ServerConfig;
import ratpack.session.internal.*;
import ratpack.session.store.SessionStoreAdapter;
import ratpack.session.store.internal.LocalMemorySessionStoreAdapter;

import javax.inject.Named;

public class NewSessionModule extends ConfigurableModule<SessionIdCookieConfig> {

    public static final String LOCAL_MEMORY_SESSION_CACHE = "localMemorySessionCache";

    @Override
    protected SessionIdCookieConfig createConfig(ServerConfig serverConfig) {
        return new DefaultSessionIdCookieConfig();
    }

    @Override
    protected void configure() {
        bind(StoreSessionIfDirtyHandlerDecorator.class);
        bind(SessionStatus.class).in(ExecutionScoped.class);
    }

    @Provides
    @Named(LOCAL_MEMORY_SESSION_CACHE)
    Cache<String, ByteBuf> localMemorySessionCache() {
        return CacheBuilder.newBuilder().build();
    }

    @Provides
    @Singleton
    SessionStoreAdapter sessionStoreAdapter(@Named(LOCAL_MEMORY_SESSION_CACHE) Cache<String, ByteBuf> cache,
            ExecControl execControl) {
        return new LocalMemorySessionStoreAdapter(cache, execControl);
    }

    @Provides
    SessionIdGenerator sessionIdGenerator() {
        return new DefaultSessionIdGenerator();
    }

    @Provides
    @ExecutionScoped
    SessionId sessionId(Request request, Response response, SessionIdGenerator idGenerator,
            SessionIdCookieConfig cookieConfig) {
        return new CookieBasedSessionId(request, response, idGenerator, cookieConfig);
    }

    @Provides
    SessionValueSerializer sessionValueSerializer() {
        return new JavaSerializationSessionValueSerializer();
    }

    @Provides
    @ExecutionScoped
    SessionAdapter sessionAdapter(SessionId sessionId, SessionStoreAdapter sessionStoreAdapter,
            SessionStatus sessionStatus, SessionValueSerializer sessionValueSerializer,
            ByteBufAllocator bufferAllocator) {
        return new DefaultSessionAdapter(sessionId, bufferAllocator, sessionStoreAdapter, sessionStatus,
                sessionValueSerializer);
    }

}