Java tutorial
/* * Copyright 2018 Netflix, Inc. * * 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 com.netflix.spinnaker.kork.jedis; import com.netflix.spectator.api.NoopRegistry; import com.netflix.spectator.api.Registry; import com.netflix.spinnaker.kork.jedis.exception.MissingRequiredConfiguration; import com.netflix.spinnaker.kork.jedis.telemetry.InstrumentedJedisPool; import org.apache.commons.pool2.impl.GenericObjectPoolConfig; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.Protocol; import redis.clients.util.Pool; import java.net.URI; public class JedisPoolFactory { private final Registry registry; public JedisPoolFactory() { this(new NoopRegistry()); } public JedisPoolFactory(Registry registry) { this.registry = registry; } public Pool<Jedis> build(String name, JedisDriverProperties properties) { if (properties.connection == null || "".equals(properties.connection)) { throw new MissingRequiredConfiguration("Jedis client must have a connection defined"); } URI redisConnection = URI.create(properties.connection); String host = redisConnection.getHost(); int port = redisConnection.getPort() == -1 ? Protocol.DEFAULT_PORT : redisConnection.getPort(); int database = parseDatabase(redisConnection.getPath()); String password = parsePassword(redisConnection.getUserInfo()); GenericObjectPoolConfig objectPoolConfig = properties.poolConfig; boolean isSSL = redisConnection.getScheme().equals("rediss"); return new InstrumentedJedisPool(registry, // Pool name should always be "null", as setting this is incompat with some SaaS Redis offerings new JedisPool(objectPoolConfig, host, port, properties.timeoutMs, password, database, null, isSSL), name); } private static int parseDatabase(String path) { if (path == null) { return 0; } return Integer.parseInt(("/" + Protocol.DEFAULT_DATABASE).split("/", 2)[1]); } private static String parsePassword(String userInfo) { if (userInfo == null) { return null; } return userInfo.split(":", 2)[1]; } }