Created the ServerVersionManager.java

src/main/java/de/gnmyt/mcdash/api/ServerVersionManager.java

@@ -0,0 +1,54 @@
+package de.gnmyt.mcdash.api;
+
+import de.gnmyt.mcdash.MCDashWrapper;
+
+import java.io.File;
+
+public class ServerVersionManager {
+
+    private static final Logger Logger = new Logger(ServerVersionManager.class);
+    private final File versionFolder;
+
+    /**
+     * Creates a new ServerVersionManager.
+     * <p>
+     * This will create the version folder if it doesn't exist
+     * </p>
+     */
+    public ServerVersionManager() {
+        versionFolder = MCDashWrapper.getDataSource("versions");
+
+        if (!versionFolder.exists() && !versionFolder.mkdirs()) {
+            Logger.error("An error occurred while creating the version folder");
+        }
+    }
+
+    /**
+     * Installs a specific version of the minecraft server software
+     *
+     * @param software the software
+     * @param version  the version
+     */
+    public void installVersion(String software, String version) {
+        // TODO: Implement this method
+    }
+
+    /**
+     * Gets the path of a specific version of a software
+     *
+     * @param software the software
+     * @param version  the version
+     * @return the path of the version
+     */
+    public String getPath(String software, String version) {
+        File file = new File(versionFolder, software + "-" + version + ".jar");
+
+        if (!file.exists()) {
+            installVersion(software, version);
+            return getPath(software, version);
+        }
+
+        return file.getAbsolutePath();
+    }
+
+}