feat: implemented command line argument parsing

Server/src/main/java/uulm/teamname/marvelous/server/args/FileConverter.java

@@ -0,0 +1,12 @@
+package uulm.teamname.marvelous.server.args;
+
+import com.beust.jcommander.IStringConverter;
+
+import java.io.File;
+
+public class FileConverter implements IStringConverter<File> {
+    @Override
+    public File convert(String value) {
+        return new File(value);
+    }
+}

Server/src/main/java/uulm/teamname/marvelous/server/args/ServerArgs.java

@@ -0,0 +1,112 @@
+package uulm.teamname.marvelous.server.args;
+
+import com.beust.jcommander.Parameter;
+
+import java.io.File;
+
+public class ServerArgs {
+
+    /** Whether help is requested */
+    @Parameter(names = {"-h", "--help", "-?", "--?", "-H"}, help = true)
+    private boolean help;
+
+    /** Defines the log level for the current execution of the Server */
+    @Parameter(names = {"-l", "--log-level"}, description = """
+            Log Level
+                0: None
+                1: Error
+                2: Warning
+                3: Info (default)
+                4: debug
+                5: trace""")
+    private Integer logLevel = 3;
+
+    /** Equivalent to logLevel = 5. Maximum log level (trace) for everything */
+    @Parameter(names = {"-v", "--verbose"})
+    private boolean verbose = false;
+
+    /** Port that the server listens on */
+    @Parameter(names = {"--port", "-p"}, description = "Port the server listens at")
+    private int port = 1218;
+
+    /** File describing the {@link uulm.teamname.marvelous.gamelibrary.config.PartyConfig PartyConfig} */
+    @Parameter(names = {"--conf-match", "-m", "--match-config"}, required = true)
+    private File matchConfigFile;
+
+    /** File describing the {@link uulm.teamname.marvelous.gamelibrary.config.CharacterConfig CharacterConfig} */
+    @Parameter(names = {"--conf-chars", "-c", "--character-config"}, required = true)
+    private File characterConfigFile;
+
+    /** File describing the {@link uulm.teamname.marvelous.gamelibrary.config.ScenarioConfig ScenarioConfig} */
+    @Parameter(names = {"--conf-scenario", "-s", "--scenario-config"}, required = true)
+    private File scenarioConfigFile;
+
+    /** Whether the server only checks the configuration files, and then stops execution */
+    @Parameter(names = {"--check-conf", "--check-config"})
+    private boolean checkConfig = false;
+
+    /** The path to the folder in which replays are saved */
+    @Parameter(names = {"--replay", "-r"})
+    private String folderPath;
+
+    /** Whether help is requested */
+    public boolean isHelp() {
+        return help;
+    }
+
+    /** Defines the log level for the current execution of the Server */
+    public Integer getLogLevel() {
+        return logLevel;
+    }
+
+    /** Equivalent to logLevel = 5. Maximum log level (trace) for everything */
+    public boolean isVerbose() {
+        return verbose;
+    }
+
+    /** Port that the server listens on */
+    public int getPort() {
+        return port;
+    }
+
+    /** File describing the {@link uulm.teamname.marvelous.gamelibrary.config.PartyConfig PartyConfig} */
+    public File getMatchConfigFile() {
+        return matchConfigFile;
+    }
+
+    /** File describing the {@link uulm.teamname.marvelous.gamelibrary.config.CharacterConfig CharacterConfig} */
+    public File getCharacterConfigFile() {
+        return characterConfigFile;
+    }
+
+    /** File describing the {@link uulm.teamname.marvelous.gamelibrary.config.ScenarioConfig ScenarioConfig} */
+    public File getScenarioConfigFile() {
+        return scenarioConfigFile;
+    }
+
+    /** Whether the server only checks the configuration files, and then stops execution */
+    public boolean isCheckConfig() {
+        return checkConfig;
+    }
+
+    /** The path to the folder in which replays are saved */
+    public String getFolderPath() {
+        return folderPath;
+    }
+
+
+    @Override
+    public String toString() {
+        return "ServerArgs{" +
+                "help=" + help +
+                ", logLevel=" + logLevel +
+                ", verbose=" + verbose +
+                ", port=" + port +
+                ", matchConfigFile=" + matchConfigFile +
+                ", characterConfigFile=" + characterConfigFile +
+                ", scenarioConfigFile=" + scenarioConfigFile +
+                ", checkConfig=" + checkConfig +
+                ", folderPath='" + folderPath + '\'' +
+                '}';
+    }
+}