V1.0

Author: uweb

.gitignore

@@ -0,0 +1,113 @@
+# User-specific stuff
+.idea/
+
+*.iml
+*.ipr
+*.iws
+
+# IntelliJ
+out/
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+target/
+
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+.flattened-pom.xml
+
+# Common working directory
+run/

README.md

@@ -0,0 +1,28 @@
+## Inventory Database
+
+This plugin syncs players' inventory and armor using a database.
+Currently, the data is only saved when the user disconnects or gets kicked.
+
+### Configuration
+
+```
+# MySQL Database
+database:
+  host: 127.0.0.1
+  port: 3306
+  # Database name (The database must exist)
+  databaseName: 'minecraft'
+  username: 'minecraft'
+  # Use a strong password!
+  password: 'password'
+
+general:
+  # Enable inventory sync
+  syncInventory: true
+  # Enable armor sync
+  syncArmor: true 
+
+debug:
+  # Inventory sync debug messages.
+  syncMessages: false
+```

pom.xml

@@ -0,0 +1,76 @@
+<?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>de.lunarsoftware</groupId>
+    <artifactId>inventorydatabase</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
+    <name>InventoryDatabase</name>
+
+    <description>Syncs the Player inventory with a mysql database</description>
+    <properties>
+        <java.version>1.8</java.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <url>mc.lunar-software.eu</url>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <version>3.2.4</version>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>papermc-repo</id>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
+        </repository>
+        <repository>
+            <id>sonatype</id>
+            <url>https://oss.sonatype.org/content/groups/public/</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.papermc.paper</groupId>
+            <artifactId>paper-api</artifactId>
+            <version>1.19.3-R0.1-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/de/lunarsoftware/inventorydatabase/Configuration.java

@@ -0,0 +1,20 @@
+package de.lunarsoftware.inventorydatabase;
+
+import java.io.File;
+
+public class Configuration {
+    public static void loadConfig() {
+        InventoryDatabase plugin = InventoryDatabase.getInstance();
+        File dataFolder = plugin.getDataFolder();
+        if (!dataFolder.exists()) dataFolder.mkdir();
+
+        File configurationFile = new File(dataFolder + System.getProperty("file.separator") + "config.yml");
+        if (!configurationFile.exists()) plugin.saveDefaultConfig();
+
+        try {
+            plugin.getConfig().load(configurationFile);
+        } catch (Exception e) {
+            plugin.getLogger().severe("Could not load the config file! Please check if the permissions are set! Error: " + e.getMessage());
+        }
+    }
+}

src/main/java/de/lunarsoftware/inventorydatabase/InventoryDatabase.java

@@ -0,0 +1,47 @@
+package de.lunarsoftware.inventorydatabase;
+
+import de.lunarsoftware.inventorydatabase.database.MySQL;
+import de.lunarsoftware.inventorydatabase.events.PlayerJoin;
+import de.lunarsoftware.inventorydatabase.events.PlayerLeave;
+import de.lunarsoftware.inventorydatabase.sync.Sync;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.util.logging.Logger;
+
+public final class InventoryDatabase extends JavaPlugin {
+    private static Logger logger;
+    private static InventoryDatabase instance;
+    private MySQL database;
+    private Sync sync;
+
+    @Override
+    public void onEnable() {
+        instance = this;
+        logger = getLogger();
+        Configuration.loadConfig();
+        database = new MySQL();
+        sync = new Sync();
+
+        //Register Listeners
+        PluginManager pluginManager = getServer().getPluginManager();
+        pluginManager.registerEvents(new PlayerJoin(), this);
+        pluginManager.registerEvents(new PlayerLeave(), this);
+    }
+
+    public static Logger logger() {
+        return logger;
+    }
+
+    public static InventoryDatabase getInstance() {
+        return instance;
+    }
+
+    public MySQL getDatabase() {
+        return database;
+    }
+
+    public Sync getSync() {
+        return sync;
+    }
+}

src/main/java/de/lunarsoftware/inventorydatabase/database/MySQL.java

@@ -0,0 +1,98 @@
+package de.lunarsoftware.inventorydatabase.database;
+
+import de.lunarsoftware.inventorydatabase.InventoryDatabase;
+import org.bukkit.configuration.file.FileConfiguration;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.util.Properties;
+
+public class MySQL {
+    private Connection conn = null;
+    public static boolean databaseAvailable = false;
+
+    private final static String tableName = "player_inventories";
+
+    public MySQL() {
+        conn = connect();
+
+        if (conn == null) {
+            InventoryDatabase.logger().severe("Can't connect to database. Plugin will not work!");
+        } else {
+            databaseAvailable = true;
+            initializeDatabase();
+        }
+    }
+
+    public void disconnect() {
+        if (!databaseAvailable) return;
+
+        try {
+            conn.close();
+        } catch (SQLException e) {
+            InventoryDatabase.logger().warning("Can't close database connection: " + e.getMessage());
+        }
+
+        databaseAvailable = false;
+    }
+
+    public static String getTableName() {
+        return tableName;
+    }
+
+    public Connection getConnection() {
+        return conn;
+    }
+
+    private Connection connect() {
+        FileConfiguration config = InventoryDatabase.getInstance().getConfig();
+
+        String url = "jdbc:mysql://" +
+                config.getString("database.host", "127.0.0.1") + ":" +
+                config.getString("database.port", "3306") + "/" +
+                config.getString("database.database", "minecraft") +
+                "?user=" + config.getString("database.username", "minecraft") +
+                "&password=" + config.getString("database.password", "password");
+
+        try {
+            Class.forName("com.mysql.cj.jdbc.Driver");
+            return DriverManager.getConnection(url);
+        } catch (ClassNotFoundException e) {
+            InventoryDatabase.logger().severe("Could not find mysql driver: " + e.getMessage());
+        } catch (Exception e) {
+            InventoryDatabase.logger().severe("Can't connect to database: " + e.getMessage());
+        }
+
+        return null;
+    }
+
+    private void initializeDatabase() {
+        if (!databaseAvailable) return;
+        PreparedStatement stmt = null;
+
+        try {
+            String query = "CREATE TABLE IF NOT EXISTS `" + tableName + "` (" +
+                    "id int(10) AUTO_INCREMENT," +
+                    "player_uuid char(36) NOT NULL UNIQUE," +
+                    "player_name varchar(32) NOT NULL," +
+                    "player_last_seen char(13) NOT NULL," +
+                    "inventory LONGTEXT NOT NULL," +
+                    "armor LONGTEXT NOT NULL," +
+                    "PRIMARY KEY(id)" +
+                    ") CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;";
+            stmt = conn.prepareStatement(query);
+            stmt.execute();
+        } catch (SQLException e) {
+            InventoryDatabase.logger().severe("Can't create table: " + e.getMessage());
+            databaseAvailable = false;
+        } finally {
+            try {
+                if (stmt != null) stmt.close();
+            } catch (SQLException e) {
+                InventoryDatabase.logger().warning("Can't close database connection: " + e.getMessage());
+            }
+        }
+    }
+}