Minor improvements in tool tasks

- Use java 8 types in UpdateDocsTask
- Simplify permissions page writing task to write to the file without any options
- Various minor simplifications (Java 8) to avoid casting etc.

src/test/java/tools/docs/UpdateDocsTask.java

@@ -9,14 +9,15 @@ import tools.utils.ToolTask;
 
 import java.util.Scanner;
 import java.util.Set;
+import java.util.function.Consumer;
 
 /**
  * Task that runs all tasks which update files in the docs folder.
  */
 public class UpdateDocsTask implements AutoToolTask {
 
-    private static final Set<Class<? extends ToolTask>> TASKS = ImmutableSet.<Class<? extends ToolTask>>of(
-        CommandPageCreater.class, HashAlgorithmsDescriptionTask.class, PermissionsListWriter.class);
+    private static final Set<Class<? extends ToolTask>> TASKS = ImmutableSet
+        .of(CommandPageCreater.class, HashAlgorithmsDescriptionTask.class, PermissionsListWriter.class);
 
     @Override
     public String getTaskName() {
@@ -25,22 +26,14 @@ public class UpdateDocsTask implements AutoToolTask {
 
     @Override
     public void execute(final Scanner scanner) {
-        executeTasks(new TaskRunner() {
-            @Override
-            public void execute(ToolTask task) {
-                task.execute(scanner);
-            }
-        });
+        executeTasks(task -> task.execute(scanner));
     }
 
     @Override
     public void executeDefault() {
-        executeTasks(new TaskRunner() {
-            @Override
-            public void execute(ToolTask task) {
-                if (task instanceof AutoToolTask) {
-                    ((AutoToolTask) task).executeDefault();
-                }
+        executeTasks(task -> {
+            if (task instanceof AutoToolTask) {
+                ((AutoToolTask) task).executeDefault();
             }
         });
     }
@@ -49,24 +42,15 @@ public class UpdateDocsTask implements AutoToolTask {
         try {
             return clazz.newInstance();
         } catch (IllegalAccessException | InstantiationException e) {
-            throw new UnsupportedOperationException(e);
+            throw new UnsupportedOperationException("Could not instantiate task class '" + clazz + "'", e);
         }
     }
 
-    private static void executeTasks(TaskRunner runner) {
+    private static void executeTasks(Consumer<ToolTask> taskRunner) {
         for (Class<? extends ToolTask> taskClass : TASKS) {
-            try {
-                ToolTask task = instantiateTask(taskClass);
-                System.out.println("\nRunning " + task.getTaskName() + "\n-------------------");
-                runner.execute(task);
-            } catch (UnsupportedOperationException e) {
-                System.err.println("Error running task of class '" + taskClass + "'");
-                e.printStackTrace();
-            }
+            ToolTask task = instantiateTask(taskClass);
+            System.out.println("\nRunning " + task.getTaskName() + "\n-------------------");
+            taskRunner.accept(task);
         }
     }
-
-    private interface TaskRunner {
-        void execute(ToolTask task);
-    }
 }

src/test/java/tools/hashmethods/EncryptionMethodInfoGatherer.java

@@ -3,6 +3,7 @@ package tools.hashmethods;
 import ch.jalu.injector.Injector;
 import ch.jalu.injector.InjectorBuilder;
 import com.github.authme.configme.properties.Property;
+import com.google.common.collect.ImmutableSet;
 import fr.xephi.authme.security.HashAlgorithm;
 import fr.xephi.authme.security.crypts.EncryptionMethod;
 import fr.xephi.authme.security.crypts.HexSaltedMethod;
@@ -19,7 +20,6 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
 
-import static com.google.common.collect.Sets.newHashSet;
 import static org.mockito.Matchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -30,9 +30,8 @@ import static org.mockito.Mockito.when;
  */
 public class EncryptionMethodInfoGatherer {
 
-    @SuppressWarnings("unchecked")
     private final static Set<Class<? extends Annotation>> RELEVANT_ANNOTATIONS =
-        newHashSet(HasSalt.class, Recommendation.class, AsciiRestricted.class);
+        ImmutableSet.of(HasSalt.class, Recommendation.class, AsciiRestricted.class);
 
     private static Injector injector = createInitializer();
 

src/test/java/tools/permissions/PermissionNodesGatherer.java

@@ -1,18 +1,14 @@
 package tools.permissions;
 
-import fr.xephi.authme.permission.AdminPermission;
+import fr.xephi.authme.ClassCollector;
 import fr.xephi.authme.permission.PermissionNode;
-import fr.xephi.authme.permission.PlayerPermission;
-import fr.xephi.authme.permission.PlayerStatePermission;
 import tools.utils.FileUtils;
 import tools.utils.ToolsConstants;
 
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Set;
 import java.util.TreeMap;
-import java.util.TreeSet;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -31,36 +27,22 @@ public class PermissionNodesGatherer {
         + "(.*?)\\s+\\*/"      // Capture everything until we encounter '*/'
         + "\\s+([A-Z_]+)\\("); // Match the enum name (e.g. 'LOGIN'), until before the first '('
 
-    /**
-     * Return a sorted collection of all permission nodes.
-     *
-     * @return AuthMe permission nodes sorted alphabetically
-     */
-    public Set<String> gatherNodes() {
-        Set<String> nodes = new TreeSet<>();
-        for (PermissionNode perm : PlayerPermission.values()) {
-            nodes.add(perm.getNode());
-        }
-        for (PermissionNode perm : AdminPermission.values()) {
-            nodes.add(perm.getNode());
-        }
-        return nodes;
-    }
-
     /**
      * Return a sorted collection of all permission nodes, including its JavaDoc description.
      *
      * @return Ordered map whose keys are the permission nodes and the values the associated JavaDoc
      */
-    public Map<String, String> gatherNodesWithJavaDoc() {
+    public <T extends Enum<T> & PermissionNode> Map<String, String> gatherNodesWithJavaDoc() {
         Map<String, String> result = new TreeMap<>();
         result.put("authme.admin.*", "Give access to all admin commands.");
         result.put("authme.player.*", "Permission to use all player (non-admin) commands.");
-        // TODO ljacqu 20160109: Add authme.player.email manual description?
+        result.put("authme.player.email", "Grants all email permissions.");
 
-        addDescriptionsForClass(PlayerPermission.class, result);
-        addDescriptionsForClass(AdminPermission.class, result);
-        addDescriptionsForClass(PlayerStatePermission.class, result);
+        new ClassCollector(ToolsConstants.MAIN_SOURCE_ROOT, "")
+            .collectClasses(PermissionNode.class)
+            .stream()
+            .filter(Class::isEnum)
+            .forEach(clz -> addDescriptionsForClass((Class<T>) clz, result));
         return result;
     }
 

src/test/java/tools/permissions/PermissionsListWriter.java

@@ -8,7 +8,6 @@ import tools.utils.ToolsConstants;
 
 import java.util.Map;
 import java.util.Scanner;
-import java.util.Set;
 
 /**
  * Task responsible for formatting a permissions node list and
@@ -25,23 +24,7 @@ public class PermissionsListWriter implements AutoToolTask {
 
     @Override
     public void execute(Scanner scanner) {
-        // Ask if result should be written to file
-        System.out.println("Include description? [Enter 'n' for no]");
-        boolean includeDescription = !matches("n", scanner);
-
-        boolean writeToFile = false;
-        if (includeDescription) {
-            System.out.println("Write to file? [Enter 'n' for no]");
-            writeToFile = !matches("n", scanner);
-        }
-
-        if (!includeDescription) {
-            outputSimpleList();
-        } else if (writeToFile) {
-            generateAndWriteFile();
-        } else {
-            System.out.println(generatePermissionsList());
-        }
+        generateAndWriteFile();
     }
 
     @Override
@@ -70,20 +53,4 @@ public class PermissionsListWriter implements AutoToolTask {
         }
         return permissionTags;
     }
-
-    private static void outputSimpleList() {
-        PermissionNodesGatherer gatherer = new PermissionNodesGatherer();
-        Set<String> nodes = gatherer.gatherNodes();
-        for (String node : nodes) {
-            System.out.println(node);
-        }
-        System.out.println();
-        System.out.println("Total: " + nodes.size());
-    }
-
-    private static boolean matches(String answer, Scanner sc) {
-        String userInput = sc.nextLine();
-        return answer.equalsIgnoreCase(userInput);
-    }
-
 }

src/test/java/tools/utils/TagValue.java

@@ -3,7 +3,12 @@ package tools.utils;
 import java.util.ArrayList;
 import java.util.List;
 
-
+/**
+ * Value of a tag.
+ *
+ * @param <T> the tag value type
+ * @see TagReplacer
+ */
 public abstract class TagValue<T> {
 
     private final T value;
@@ -18,6 +23,9 @@ public abstract class TagValue<T> {
 
     public abstract boolean isEmpty();
 
+    /**
+     * Text value.
+     */
     public static final class TextTagValue extends TagValue<String> {
         public TextTagValue(String value) {
             super(value);
@@ -29,9 +37,12 @@ public abstract class TagValue<T> {
         }
     }
 
+    /**
+     * List value (iterable).
+     */
     public static final class NestedTagValue extends TagValue<List<TagValueHolder>> {
         public NestedTagValue() {
-            super(new ArrayList<TagValueHolder>());
+            super(new ArrayList<>());
         }
 
         @Override