qa: address PMD GuardLogStatement warnings

engine/src/main/java/org/terasology/engine/audio/openAL/OpenALManager.java

@@ -52,6 +52,7 @@ public class OpenALManager implements AudioManager {
 
     private final Map<SoundSource<?>, AudioEndListener> endListeners = Maps.newHashMap();
 
+    @SuppressWarnings("PMD.GuardLogStatement")
     public OpenALManager(AudioConfig config) throws OpenALException {
         logger.info("Initializing OpenAL audio manager");
 
@@ -65,7 +66,6 @@ public OpenALManager(AudioConfig config) throws OpenALException {
         AL.createCapabilities(alcCapabilities);
 
         logger.info("OpenAL {} initialized!", AL10.alGetString(AL10.AL_VERSION));
-
         logger.info("Using OpenAL: {} by {}", AL10.alGetString(AL10.AL_RENDERER), AL10.alGetString(AL10.AL_VENDOR));
         logger.info("Using device: {}", ALC10.alcGetString(device, ALC10.ALC_DEVICE_SPECIFIER));
         logger.info("Available AL extensions: {}", AL10.alGetString(AL10.AL_EXTENSIONS));
@@ -260,7 +260,7 @@ private void notifyEndListeners(boolean interrupted) {
                 try {
                     entry.getValue().onAudioEnd(interrupted);
                 } catch (Exception e) {
-                    logger.error("onAudioEnd() notification failed for {}", entry.getValue(), e);
+                    logger.error("onAudioEnd() notification failed for {}", entry.getValue(), e); //NOPMD
                 }
             }
         }

engine/src/main/java/org/terasology/engine/audio/openAL/staticSound/OpenALSound.java

@@ -104,7 +104,7 @@ protected void doReload(StaticSoundData newData) {
                 length = (float) size / channels / (bits / 8) / frequency;
             });
         } catch (InterruptedException e) {
-            logger.error("Failed to reload {}", getUrn(), e);
+            logger.error("Failed to reload {}", getUrn(), e); //NOPMD
         }
     }
 

engine/src/main/java/org/terasology/engine/audio/openAL/streamingSound/OpenALStreamingSound.java

@@ -123,7 +123,7 @@ protected void doReload(StreamingSoundData data) {
         try {
             GameThread.synch(this::initializeBuffers);
         } catch (InterruptedException e) {
-            logger.error("Failed to reload {}", getUrn(), e);
+            logger.error("Failed to reload {}", getUrn(), e); //NOPMD
         }
     }
 

engine/src/main/java/org/terasology/engine/config/RenderingDebugConfig.java

@@ -108,6 +108,6 @@ public void setRenderSkeletons(boolean renderSkeletons) {
 
     @Override
     public void propertyChange(PropertyChangeEvent evt) {
-        logger.debug("Set {} property to {}.", evt.getPropertyName().toUpperCase(), evt.getNewValue());
+        logger.atDebug().log("Set {} property to {}.", evt.getPropertyName().toUpperCase(), evt.getNewValue());
     }
 }

engine/src/main/java/org/terasology/engine/config/flexible/AutoConfigManager.java

@@ -85,7 +85,7 @@ private <T extends AutoConfig> void loadSettingsFromDisk(Class<T> configClass, T
             T loadedConfig = (T) serializer.deserialize(TypeInfo.of(configClass), inputStream).get();
             mergeConfig(configClass, loadedConfig, config);
         } catch (Exception e) {
-            logger.error("Error while loading config {} from disk", config.getId(), e);
+            logger.error("Error while loading config {} from disk", config.getId(), e); //NOPMD
         }
     }
 
@@ -116,7 +116,7 @@ private void saveConfigToDisk(AutoConfig config) {
                 StandardOpenOption.CREATE)) {
             serializer.serialize(config, TypeInfo.of((Class<AutoConfig>) config.getClass()), output);
         } catch (IOException e) {
-            logger.error("Error while saving config {} to disk", config.getId(), e);
+            logger.error("Error while saving config {} to disk", config.getId(), e); //NOPMD
         }
     }
 

engine/src/main/java/org/terasology/engine/config/flexible/AutoConfigTypeHandler.java

@@ -43,7 +43,7 @@ protected PersistedData serializeNonNull(AutoConfig value, PersistedDataSerializ
                     if (typeHandler.isPresent()) {
                         fields.put(field.getName(), typeHandler.get().serialize(setting.get(), serializer));
                     } else {
-                        logger.error("Cannot serialize type [{}]", setting.getValueType());
+                        logger.error("Cannot serialize type [{}]", setting.getValueType()); //NOPMD
                     }
                 }
             } catch (IllegalAccessException e) {
@@ -65,7 +65,7 @@ public Optional<AutoConfig> deserialize(PersistedData data) {
             for (Map.Entry<String, PersistedData> entry : data.getAsValueMap().entrySet()) {
                 Field settingField = settingFields.get(entry.getKey());
                 if (settingField == null) {
-                    logger.warn("Cannot to find setting field with name [{}]", entry.getKey());
+                    logger.warn("Cannot to find setting field with name [{}]", entry.getKey()); //NOPMD
                     continue;
                 }
                 try {
@@ -77,11 +77,10 @@ public Optional<AutoConfig> deserialize(PersistedData data) {
                         if (value.isPresent()) {
                             setting.set(value.get());
                         } else {
-                            logger.error("Cannot deserialize value [{}] to type [{}]", entry.getValue(),
-                                    setting.getValueType());
+                            logger.error("Cannot deserialize value [{}] to type [{}]", entry.getValue(), setting.getValueType()); //NOPMD
                         }
                     } else {
-                        logger.error("Cannot deserialize type [{}]", setting.getValueType());
+                        logger.error("Cannot deserialize type [{}]", setting.getValueType()); //NOPMD
                     }
                 } catch (IllegalAccessException e) {
                     // ignore, AutoConfig.getSettingsFieldsIn return public fields.

engine/src/main/java/org/terasology/engine/config/flexible/constraints/LocaleConstraint.java

@@ -31,6 +31,7 @@ public boolean isSatisfiedBy(Locale value) {
     }
 
     @Override
+    @SuppressWarnings("PMD.GuardLogStatement")
     public void warnUnsatisfiedBy(Locale value) {
         logger.warn("Locale {} should be one of {}",
                 value,

engine/src/main/java/org/terasology/engine/config/flexible/constraints/NumberRangeConstraint.java

@@ -96,8 +96,12 @@ public boolean isSatisfiedBy(T value) {
      * {@inheritDoc}
      */
     @Override
+    @SuppressWarnings("PMD.GuardLogStatement")
     public void warnUnsatisfiedBy(T value) {
-        LOGGER.warn("Value {} is not in the range {}{}, {}{}", value, minInclusive ? "[" : "(",
-                min != null ? min : "UNBOUNDED", max != null ? max : "UNBOUNDED", maxInclusive ? "]" : ")");
+        LOGGER.warn("Value {} is not in the range {}{}, {}{}", value,
+                minInclusive ? "[" : "(",
+                min != null ? min : "UNBOUNDED",
+                max != null ? max : "UNBOUNDED",
+                maxInclusive ? "]" : ")");
     }
 }

engine/src/main/java/org/terasology/engine/config/flexible/constraints/StringConstraint.java

@@ -49,6 +49,7 @@ public boolean isSatisfiedBy(String value) {
     }
 
     @Override
+    @SuppressWarnings("PMD.GuardLogStatement")
     public void warnUnsatisfiedBy(String value) {
         logger.warn("String [{}] does not match the conditions: {}", value,
                 predicates.stream()

engine/src/main/java/org/terasology/engine/config/flexible/ui/AutoConfigScreen.java

@@ -46,7 +46,7 @@ public void initialise() {
             if (widget.isPresent()) {
                 mainContainer.addWidget(widget.get());
             } else {
-                logger.warn("Cannot create widget for config: {}", config.getId());
+                logger.warn("Cannot create widget for config: {}", config.getId()); //NOPMD
             }
         }
         WidgetUtil.trySubscribe(this, "close", button -> triggerBackAnimation());

engine/src/main/java/org/terasology/engine/config/flexible/ui/AutoConfigWidgetFactory.java

@@ -79,7 +79,7 @@ public UIWidget buildWidgetFor(AutoConfig config) {
             Optional<UIWidget> settingWidget = settingWidgetFactory.createWidgetFor(setting);
 
             if (!settingWidget.isPresent()) {
-                logger.error("Couldn't find a widget for the Setting [{}]", setting.getHumanReadableName());
+                logger.error("Couldn't find a widget for the Setting [{}]", setting.getHumanReadableName()); //NOPMD
                 continue;
             }
 

engine/src/main/java/org/terasology/engine/core/ComponentSystemManager.java

@@ -68,7 +68,7 @@ public void loadSystems(ModuleEnvironment environment, NetworkMode netMode) {
         ListMultimap<Name, Class<?>> systemsByModule = ArrayListMultimap.create();
         for (Class<?> type : environment.getTypesAnnotatedWith(RegisterSystem.class)) {
             if (!ComponentSystem.class.isAssignableFrom(type)) {
-                logger.error("Cannot load {}, must be a subclass of ComponentSystem", type.getSimpleName());
+                logger.error("Cannot load {}, must be a subclass of ComponentSystem", type.getSimpleName()); //NOPMD
                 continue;
             }
             Name moduleId = environment.getModuleProviding(type);
@@ -177,7 +177,7 @@ public void register(ComponentSystem object) {
         context.get(EntityManager.class).getEventSystem().registerEventHandler(object);
 
         if (initialised) {
-            logger.warn("System {} registered post-init.", object.getClass().getName());
+            logger.atWarn().log("System {} registered post-init.", object.getClass().getName());
             initialiseSystem(object);
         }
     }

engine/src/main/java/org/terasology/engine/core/PathManager.java

@@ -78,7 +78,7 @@ private static Path findInstallPath() {
             URI urlToSource = PathManager.class.getProtectionDomain().getCodeSource().getLocation().toURI();
             Path codeLocation = Paths.get(urlToSource);
             installationSearchPaths.add(codeLocation);
-            LOGGER.info("PathManager: Initial code location is " + codeLocation.toAbsolutePath());
+            LOGGER.atInfo().log("PathManager: Initial code location is " + codeLocation.toAbsolutePath());
         } catch (URISyntaxException e) {
             LOGGER.error("PathManager: Failed to convert code location to path.", e);
         }
@@ -90,7 +90,7 @@ private static Path findInstallPath() {
         // Use the current directory as a fallback.
         Path currentDirectory = Paths.get("").toAbsolutePath();
         installationSearchPaths.add(currentDirectory);
-        LOGGER.info("PathManager: Working directory is " + currentDirectory);
+        LOGGER.info("PathManager: Working directory is {}", currentDirectory);
 
         for (Path startPath : installationSearchPaths) {
             Path installationPath = findNativesHome(startPath, 5);

engine/src/main/java/org/terasology/engine/core/TerasologyEngine.java

@@ -253,7 +253,7 @@ public void initialize() {
         }
 
         double seconds = 0.001 * totalInitTime.elapsed(TimeUnit.MILLISECONDS);
-        logger.info("Initialization completed in {}sec.", String.format("%.2f", seconds));
+        logger.info("Initialization completed in {}sec.", String.format("%.2f", seconds)); //NOPMD
     }
 
     private void verifyInitialisation() {
@@ -265,6 +265,7 @@ private void verifyInitialisation() {
     /**
      * Logs software, environment and hardware information.
      */
+    @SuppressWarnings("PMD.GuardLogStatement")
     private void logEnvironmentInfo() {
         logger.info("{}", TerasologyVersion.getInstance());
         logger.info("Home path: {}", PathManager.getInstance().getHomePath());
@@ -543,7 +544,7 @@ public void cleanup() {
             try {
                 subsystem.preShutdown();
             } catch (RuntimeException e) {
-                logger.error("Error preparing to shutdown {} subsystem", subsystem.getName(), e);
+                logger.error("Error preparing to shutdown {} subsystem", subsystem.getName(), e); //NOPMD
             }
         }
 
@@ -553,7 +554,7 @@ public void cleanup() {
             try {
                 subsystem.shutdown();
             } catch (RuntimeException e) {
-                logger.error("Error shutting down {} subsystem", subsystem.getName(), e);
+                logger.error("Error shutting down {} subsystem", subsystem.getName(), e); //NOPMD
             }
         }
     }

engine/src/main/java/org/terasology/engine/core/modes/StateLoading.java

@@ -234,7 +234,7 @@ private void popStep() {
         current = null;
         if (!loadProcesses.isEmpty()) {
             current = loadProcesses.remove();
-            logger.debug("{}", current.getMessage());
+            logger.debug("{}", current.getMessage()); //NOPMD
             current.begin();
         }
     }

engine/src/main/java/org/terasology/engine/core/modes/loadProcesses/InitialiseWorld.java

@@ -95,9 +95,9 @@
             worldInfo.setSeed(random.nextString(16));
         }
 
-        logger.info("World seed: \"{}\"", worldInfo.getSeed());
+        logger.info("World seed: \"{}\"", worldInfo.getSeed()); //NOPMD
 
         // TODO: Separate WorldRenderer from world handling in general
         WorldGeneratorManager worldGeneratorManager = context.get(WorldGeneratorManager.class);
         WorldGenerator worldGenerator;
         try {
@@ -106,7 +106,7 @@
             worldGenerator.setWorldSeed(worldInfo.getSeed());
             context.put(WorldGenerator.class, worldGenerator);
         } catch (UnresolvedWorldGeneratorException | UnresolvedDependencyException e) {
-            logger.error("Unable to load world generator {}. Available world generators: {}",
+            logger.atError().log("Unable to load world generator {}. Available world generators: {}",
                     worldInfo.getWorldGenerator(), worldGeneratorManager.getWorldGenerators());
             context.get(GameEngine.class).changeState(new StateMainMenu("Failed to resolve world generator."));
             return true; // We need to return true, otherwise the loading state will just call us again immediately

engine/src/main/java/org/terasology/engine/core/modes/loadProcesses/JoinServer.java

@@ -104,7 +104,7 @@ public boolean step() {
                     context.get(GameEngine.class).changeState(mainMenu);
                     return false;
                 } else {
-                    logger.info("Activating module: {}:{}", moduleInfo.getName(), moduleInfo.getVersion());
+                    logger.atInfo().log("Activating module: {}:{}", moduleInfo.getName(), moduleInfo.getVersion());
                     gameManifest.addModule(module.getId(), module.getVersion());
                     moduleSet.add(module);
                 }

engine/src/main/java/org/terasology/engine/core/modes/loadProcesses/LoadEntities.java

@@ -34,7 +34,7 @@ public boolean step() {
         boolean entityCreated = false;
         for (EntityRef entity : em.getAllEntities()) {
             entityCreated = true;
-            logger.error("Entity created before load: {}", entity.toFullDescription());
+            logger.atError().log("Entity created before load: {}", entity.toFullDescription());
         }
         if (entityCreated) {
             throw new IllegalStateException("Entity creation detected during component system initialisation, game load aborting");

engine/src/main/java/org/terasology/engine/core/modes/loadProcesses/RegisterMods.java

@@ -68,7 +68,7 @@ public boolean step() {
                 ModuleEnvironment env = moduleManager.loadEnvironment(result.getModules(), true);
 
                 for (Module moduleInfo : env.getModulesOrderedByDependencies()) {
-                    logger.info("Activating module: {}:{}", moduleInfo.getId(), moduleInfo.getVersion());
+                    logger.atInfo().log("Activating module: {}:{}", moduleInfo.getId(), moduleInfo.getVersion());
                 }
 
                 EnvironmentSwitchHandler environmentSwitchHandler = context.get(EnvironmentSwitchHandler.class);

engine/src/main/java/org/terasology/engine/core/module/ModuleInstaller.java

@@ -38,7 +38,7 @@ public class ModuleInstaller implements Callable<List<Module>> {
     @Override
     public List<Module> call() throws Exception {
         Map<URI, Path> filesToDownload = getDownloadUrls(moduleList);
-        logger.info("Started downloading {} modules", filesToDownload.size());
+        logger.info("Started downloading {} modules", filesToDownload.size()); //NOPMD
         MultiFileDownloader downloader = new MultiFileDownloader(filesToDownload, downloadProgressListener);
         List<Path> downloadedModulesPaths = downloader.call();
         logger.info("Module download completed, loading the new modules...");
@@ -48,7 +48,7 @@ public List<Module> call() throws Exception {
                 Module module = moduleManager.registerArchiveModule(filePath);
                 newInstalledModules.add(module);
             } catch (IOException e) {
-                logger.warn("Could not load module {}", filePath.getFileName(), e);
+                logger.warn("Could not load module {}", filePath.getFileName(), e); //NOPMD
             }
         }
         logger.info("Finished loading the downloaded modules");

engine/src/main/java/org/terasology/engine/core/module/ModuleListDownloader.java

@@ -59,13 +59,13 @@ public ModuleRegistry call() throws IOException {
                 String json = gson.toJson(jObject);
 
                 ModuleMetadata meta = metaReader.read(new StringReader(json));
-                logger.debug("Read module {} - {}", meta.getId(), meta.getVersion());
+                logger.debug("Read module {} - {}", meta.getId(), meta.getVersion()); //NOPMD
                 modules.add(new Module(meta, new EmptyFileSource(), Collections.emptyList(), new Reflections(),
                         (c) -> false));
             }
 
             int count = modules.size();
-            logger.info("Retrieved {} {}", count, (count == 1) ? "entry" : "entries");
+            logger.info("Retrieved {} {}", count, (count == 1) ? "entry" : "entries"); //NOPMD
         }
         return modules;
     }

engine/src/main/java/org/terasology/engine/core/module/ModuleManager.java

@@ -173,9 +173,9 @@ private void loadModulesFromClassPath() {
                     continue;
                 }
                 if (registry.add(module)) {
-                    logger.info("Loaded {} from {}", module.getId(), path);
+                    logger.info("Loaded {} from {}", module.getId(), path); //NOPMD
                 } else {
-                    logger.info("Module {} from {} was a duplicate; not registering this copy.", module.getId(), path);
+                    logger.info("Module {} from {} was a duplicate; not registering this copy.", module.getId(), path); //NOPMD
                 }
             }
         }

engine/src/main/java/org/terasology/engine/core/subsystem/common/ConfigurationSubsystem.java

@@ -66,7 +66,7 @@ public void preInitialise(Context rootContext) {
         checkServerIdentity();
 
         // TODO: Move to display subsystem
-        logger.info("Video Settings: {}", config.renderConfigAsJson(config.getRendering()));
+        logger.info("Video Settings: {}", config.renderConfigAsJson(config.getRendering())); //NOPMD
 
         rootContext.put(Config.class, config);
         //add facades

engine/src/main/java/org/terasology/engine/core/subsystem/config/BindsSubsystem.java

@@ -251,11 +251,11 @@ private void registerAxisBinds(ModuleEnvironment environment) {
                 BindableButton positiveButton = getBindButton(new SimpleUri(info.positiveButton()));
                 BindableButton negativeButton = getBindButton(new SimpleUri(info.negativeButton()));
                 if (positiveButton == null) {
-                    logger.warn("Failed to register axis \"{}\", missing positive button \"{}\"", id, info.positiveButton());
+                    logger.atWarn().log("Failed to register axis \"{}\", missing positive button \"{}\"", id, info.positiveButton());
                     continue;
                 }
                 if (negativeButton == null) {
-                    logger.warn("Failed to register axis \"{}\", missing negative button \"{}\"", id, info.negativeButton());
+                    logger.atWarn().log("Failed to register axis \"{}\", missing negative button \"{}\"", id, info.negativeButton());
                     continue;
                 }
                 try {

engine/src/main/java/org/terasology/engine/core/subsystem/lwjgl/GLFWErrorCallback.java

@@ -14,6 +14,7 @@ public class GLFWErrorCallback implements GLFWErrorCallbackI {
     private static final Logger logger = LoggerFactory.getLogger("GLFW");
 
     @Override
+    @SuppressWarnings("PMD.GuardLogStatement")
     public void invoke(int error, long description) {
         logger.error("Received error. Code: {}, Description: {}", error, MemoryUtil.memASCII(description));
     }

engine/src/main/java/org/terasology/engine/entitySystem/entity/internal/PojoEntityManager.java

@@ -526,7 +526,7 @@ public <T extends Component> T addComponent(long entityId, T component) {
         if (!oldComponent.isPresent()) {
             notifyComponentAdded(getEntity(entityId), component.getClass());
         } else {
-            logger.error("Adding a component ({}) over an existing component for entity {}", component.getClass(), entityId);
+            logger.error("Adding a component ({}) over an existing component for entity {}", component.getClass(), entityId); //NOPMD
             notifyComponentChanged(getEntity(entityId), component.getClass());
         }
 
@@ -580,7 +580,7 @@ public void saveComponent(long entityId, Component component) {
                 .map(pool -> pool.getComponentStore().put(entityId, component));
 
         if (!oldComponent.isPresent()) {
-            logger.error("Saving a component ({}) that doesn't belong to this entity {}", component.getClass(), entityId);
+            logger.error("Saving a component ({}) that doesn't belong to this entity {}", component.getClass(), entityId); //NOPMD
         }
         if (eventSystem != null) {
             EntityRef entityRef = getEntity(entityId);