init project

pom.xml

@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>earth.krakatoa</groupId>
+  <artifactId>KraCore</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <properties>
+    <maven.compiler.source>14</maven.compiler.source>
+    <maven.compiler.target>14</maven.compiler.target>
+  </properties>
+
+
+  <build>
+    <defaultGoal>clean install</defaultGoal>
+    <plugins>
+      <plugin>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <configuration>
+          <descriptorRefs>
+            <descriptorRef>jar-with-dependencies</descriptorRef>
+          </descriptorRefs>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>single</goal>
+            </goals>
+            <id>make-assembly</id>
+            <phase>package</phase>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>9</source>
+          <target>9</target>
+        </configuration>
+        <groupId>org.apache.maven.plugins</groupId>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <dependency>
+      <artifactId>lombok</artifactId>
+      <groupId>org.projectlombok</groupId>
+      <scope>provided</scope>
+      <version>1.18.22</version>
+    </dependency>
+    <dependency>
+      <groupId>org.redisson</groupId>
+      <artifactId>redisson</artifactId>
+      <version>3.17.0</version>
+    </dependency>
+    <dependency>
+      <artifactId>gson</artifactId>
+      <groupId>com.google.code.gson</groupId>
+      <version>2.8.9</version>
+    </dependency>
+    <dependency>
+      <groupId>org.mongodb</groupId>
+      <artifactId>mongodb-driver-reactivestreams</artifactId>
+      <version>4.5.1</version>
+    </dependency>
+  </dependencies>
+
+  <repositories>
+    <!-- https://github.com/TooTallNate/Java-WebSocket -->
+    <repository>
+      <id>sonatype-nexus-snapshots</id>
+      <releases>
+        <enabled>false</enabled>
+      </releases>
+      <snapshots>
+        <enabled>true</enabled>
+      </snapshots>
+      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+    </repository>
+  </repositories>
+
+</project>

src/main/java/earth/krakatoa/KraCore.java

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+package earth.krakatoa;
+
+import earth.krakatoa.config.MongoConfig;
+import earth.krakatoa.config.RedisConfig;
+import earth.krakatoa.mongo.MongoManager;
+import earth.krakatoa.redis.RedisManager;
+
+public class KraCore {
+
+  private final MongoManager mongoManager;
+  private final RedisManager redisManager;
+
+  public KraCore(MongoConfig mongoConfig, RedisConfig redisConfig) {
+    this.mongoManager = new MongoManager();
+    this.mongoManager.connect(mongoConfig);
+
+    this.redisManager = new RedisManager();
+    this.redisManager.connect(redisConfig);
+  }
+
+  public void shutdown() {
+    this.mongoManager.shutdown();
+    this.redisManager.shutdown();
+  }
+}

src/main/java/earth/krakatoa/config/MongoConfig.java

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+package earth.krakatoa.config;
+
+import lombok.Data;
+
+@Data
+public class MongoConfig {
+
+  private final String hostname;
+  private final int port;
+  private final String username;
+  private final String password;
+  private final String database;
+
+}

src/main/java/earth/krakatoa/config/RedisConfig.java

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+package earth.krakatoa.config;
+
+import lombok.Data;
+
+@Data
+public class RedisConfig {
+
+  private final String ip;
+  private final String port;
+
+}

src/main/java/earth/krakatoa/mongo/MongoManager.java

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+package earth.krakatoa.mongo;
+
+import com.mongodb.ConnectionString;
+import com.mongodb.MongoClientSettings;
+import com.mongodb.ServerApi;
+import com.mongodb.ServerApiVersion;
+import com.mongodb.reactivestreams.client.MongoClient;
+import com.mongodb.reactivestreams.client.MongoClients;
+import earth.krakatoa.config.MongoConfig;
+import lombok.Data;
+
+@Data
+public class MongoManager {
+
+  private ConnectionString connectionString;
+
+  private ServerApi serverApi;
+  private MongoClientSettings mongoClientSettings;
+  private MongoClient mongoClient;
+
+  public void connect(MongoConfig mongoConfig) {
+    this.connectionString = new ConnectionString(
+        "mongodb://" + mongoConfig.getUsername() + ":" + mongoConfig.getPassword() + "@"
+            + mongoConfig.getHostname() + ":" + mongoConfig.getPort() + "/?authSource="
+            + mongoConfig.getDatabase()
+            + "&readPreference=primary&ssl=false");
+
+    this.serverApi = ServerApi.builder().version(ServerApiVersion.V1).build();
+
+    this.mongoClientSettings = MongoClientSettings.builder()
+        .applyConnectionString(this.connectionString).serverApi(this.serverApi).build();
+
+    this.mongoClient = MongoClients.create(this.mongoClientSettings);
+  }
+
+  public void shutdown() {
+    this.mongoClient.close();
+  }
+}

src/main/java/earth/krakatoa/redis/RedisManager.java

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+package earth.krakatoa.redis;
+
+import earth.krakatoa.config.RedisConfig;
+import lombok.Data;
+import org.redisson.Redisson;
+import org.redisson.api.RedissonClient;
+import org.redisson.config.Config;
+
+@Data
+public class RedisManager {
+
+  private Config config;
+  private RedissonClient redissonClient;
+
+  public void connect(RedisConfig redisConfig) {
+    this.config = new Config();
+    this.config.useSingleServer().setAddress("redis://" + redisConfig.getIp() + ":" + redisConfig.getPort());
+
+    this.redissonClient = Redisson.create(this.config);
+  }
+
+  public void shutdown() {
+    this.redissonClient.shutdown();
+  }
+}