first commit

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>

.idea/google-java-format.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GoogleJavaFormatSettings">
+    <option name="enabled" value="true" />
+  </component>
+</project>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="temurin-21" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

pom.xml

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+<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>dev.mduchene</groupId>
+    <artifactId>bolts</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>bolts</name>
+    <url>http://maven.apache.org</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.14.0</version>
+                <configuration>
+                    <source>21</source>
+                    <target>21</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>io.javalin</groupId>
+            <artifactId>javalin</artifactId>
+            <version>6.7.0</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.jooq/jooq -->
+        <dependency>
+            <groupId>org.jooq</groupId>
+            <artifactId>jooq</artifactId>
+            <version>3.20.5</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/com.zaxxer/HikariCP -->
+        <dependency>
+            <groupId>com.zaxxer</groupId>
+            <artifactId>HikariCP</artifactId>
+            <version>7.0.0</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.mariadb.jdbc/mariadb-java-client -->
+        <dependency>
+            <groupId>org.mariadb.jdbc</groupId>
+            <artifactId>mariadb-java-client</artifactId>
+            <version>3.5.4</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>2.0.16</version>
+        </dependency>
+
+        <!-- TEST -->
+
+        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>5.13.4</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/dev/mduchene/App.java

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+package dev.mduchene;
+
+import io.javalin.Javalin;
+
+/** Hello world! */
+public class App {
+  public static void main(String[] args) {
+    Db db =
+        Db.Builder.create()
+            .url("jdbc:mariadb://localhost:3306/bolts")
+            .user("root")
+            .password("root")
+            .build();
+
+    var app = Javalin.create(cnf -> {}).get("/", ctx -> ctx.result("Hello World")).start(3001);
+  }
+}

src/main/java/dev/mduchene/Db.java

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+package dev.mduchene;
+
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+
+import java.sql.Connection;
+
+public class Db {
+    private HikariDataSource dataSource;
+    private Db() {}
+
+    public static class Builder {
+        private String url;
+        private String user;
+        private String password;
+
+        private Builder() {}
+        public static Builder create() {
+            return new Builder();
+        }
+
+        public Builder url(String url) {
+            this.url = url;
+            return this;
+        }
+
+        public Builder user(String user) {
+            this.user = user;
+            return this;
+        }
+
+        public Builder password(String password) {
+            this.password = password;
+            return this;
+        }
+
+        public Db build() {
+            Db db = new Db();
+            HikariConfig config = new HikariConfig();
+            config.setJdbcUrl(url);
+            config.setUsername(user);
+            config.setPassword(password);
+            config.addDataSourceProperty("cachePrepStmts", "true");
+            config.addDataSourceProperty("prepStmtCacheSize", "250");
+            config.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
+            config.setMaximumPoolSize(64);
+            db.dataSource = new HikariDataSource(config);
+            return db;
+        }
+    }
+
+    public Connection getConnection() throws Exception {
+        Connection connection = dataSource.getConnection();
+        connection.setAutoCommit(false);
+        return connection;
+    }
+}

src/test/java/dev/mduchene/AppTest.java

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+package dev.mduchene;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/** Unit test for simple App. */
+public class AppTest {
+  @Test
+  public void testApp() {
+    assertTrue(true);
+  }
+}