Trivial code householding

- Replace `if (!x) ... else ...` with `if(x) ... else ...`
- Avoid throwing RuntimeException; use children

src/test/java/tools/ToolsRunner.java

@@ -62,10 +62,10 @@ public final class ToolsRunner {
             ToolTask task = tasks.get(taskName);
             if (task == null) {
                 System.out.format("Unknown task '%s'%n", taskName);
-            } else if (!(task instanceof AutoToolTask)) {
-                System.out.format("Task '%s' cannot be run on command line%n", taskName);
-            } else {
+            } else if (task instanceof AutoToolTask) {
                 ((AutoToolTask) task).executeDefault();
+            } else {
+                System.out.format("Task '%s' cannot be run on command line%n", taskName);
             }
         }
     }

src/test/java/tools/messages/VerifyMessagesTask.java

@@ -133,7 +133,7 @@ public final class VerifyMessagesTask implements ToolTask {
         File folder = new File(MESSAGES_FOLDER);
         File[] files = folder.listFiles();
         if (files == null) {
-            throw new RuntimeException("Could not read files from folder '" + folder.getName() + "'");
+            throw new IllegalStateException("Could not read files from folder '" + folder.getName() + "'");
         }
 
         List<File> messageFiles = new ArrayList<>();
@@ -143,7 +143,7 @@ public final class VerifyMessagesTask implements ToolTask {
             }
         }
         if (messageFiles.isEmpty()) {
-            throw new RuntimeException("Error getting message files: list of files is empty");
+            throw new IllegalStateException("Error getting message files: list of files is empty");
         }
         return messageFiles;
     }

src/test/java/tools/utils/FileUtils.java

@@ -27,7 +27,7 @@ public final class FileUtils {
         try {
             Files.write(Paths.get(outputFile), contents.getBytes());
         } catch (IOException e) {
-            throw new RuntimeException("Failed to write to file '" + outputFile + "'", e);
+            throw new UnsupportedOperationException("Failed to write to file '" + outputFile + "'", e);
         }
     }
 
@@ -35,7 +35,7 @@ public final class FileUtils {
         try {
             Files.write(Paths.get(outputFile), contents.getBytes(), StandardOpenOption.APPEND);
         } catch (IOException e) {
-            throw new RuntimeException("Failed to append to file '" + outputFile + "'", e);
+            throw new UnsupportedOperationException("Failed to append to file '" + outputFile + "'", e);
         }
     }
 
@@ -43,7 +43,7 @@ public final class FileUtils {
         try {
             return new String(Files.readAllBytes(Paths.get(file)), CHARSET);
         } catch (IOException e) {
-            throw new RuntimeException("Could not read from file '" + file + "'", e);
+            throw new UnsupportedOperationException("Could not read from file '" + file + "'", e);
         }
     }
 
@@ -51,7 +51,7 @@ public final class FileUtils {
         try {
             return Files.readAllLines(Paths.get(file), CHARSET);
         } catch (IOException e) {
-            throw new RuntimeException("Could not read from file '" + file + "'", e);
+            throw new UnsupportedOperationException("Could not read from file '" + file + "'", e);
         }
     }
 

src/test/java/tools/utils/ToolsConstants.java

@@ -5,9 +5,6 @@ package tools.utils;
  */
 public final class ToolsConstants {
 
-    private ToolsConstants() {
-    }
-
     public static final String MAIN_SOURCE_ROOT = "src/main/java/";
 
     public static final String MAIN_RESOURCES_ROOT = "src/main/resources/";
@@ -21,4 +18,7 @@ public final class ToolsConstants {
 
     public static final String DOCS_FOLDER_URL = "https://github.com/AuthMe-Team/AuthMeReloaded/tree/master/docs/";
 
+    private ToolsConstants() {
+    }
+
 }