Bumps version for development

README.md

@@ -30,7 +30,7 @@ Books without Borders has got your back!
   value
 - Change generation of books. Create tattered books for your RPG server!
 - Optionally, make it impossible to duplicate the original version of a book
-- Optionally, hit a bookshelf to display the contained books. Sneak to destroy bookshelves with this enabled
+- Optionally, hit a bookshelf while sneaking to display the contained books
 
 #### Group encryption
 
@@ -67,39 +67,39 @@ An in-game description of available commands is available through the /bwb comma
 
 ### Permissions:
 
-| Node                                       | Description                                                                                              |
-|--------------------------------------------|----------------------------------------------------------------------------------------------------------|
-| bookswithoutborders.*                      | Grants all permissions                                                                                   |
-| bookswithoutborders.admin                  | Grants all permissions                                                                                   |
-| bookswithoutborders.use                    | Allows player to use commands to save/load/delete in their personal directory                            |
-| bookswithoutborders.alterbooks             | Allows player to change books' data such as lore/title/author/generation/formatting and un-signing books |
-| bookswithoutborders.reload                 | Allows player to reload this plugin                                                                      |
-| bookswithoutborders.format                 | Allows a player to format a book                                                                         |
-| bookswithoutborders.save                   | Allows a player to save books to their personal directory                                                |
-| bookswithoutborders.load                   | Allows player to load books from their personal directory                                                |
-| bookswithoutborders.delete                 | Allows player to delete books from their personal directory                                              |
-| bookswithoutborders.unsign                 | Allows player to un-sign books                                                                           |
-| bookswithoutborders.copy                   | Allows player to copy books                                                                              |
-| bookswithoutborders.loadpublic             | Allows player to load from the public directory                                                          |
-| bookswithoutborders.savepublic             | Allows player to save to the public directory                                                            |
-| bookswithoutborders.encrypt                | Allows player to encrypt books                                                                           |
-| bookswithoutborders.groupencrypt           | Allows player to use group-based encryption                                                              |
-| bookswithoutborders.decrypt                | Allows player to decrypt books                                                                           |
-| bookswithoutborders.decrypt.agroup         | Allows player to decrypt books group-encrypted for group "agroup"                                        |
-| bookswithoutborders.signs                  | Allows player to create signs that give/encrypt/decrypt books                                            |
-| bookswithoutborders.give                   | Allows player to give another player one of their privately saved books                                  |
-| bookswithoutborders.givepublic             | Allows a player to give another player a book from the public directory                                  |
-| bookswithoutborders.settitle               | Allows player to set the title of the currently held book                                                |
-| bookswithoutborders.setauthor              | Allows player to set the author of the currently held book                                               |
-| bookswithoutborders.setlore                | Allows player to set the lore of the currently held item                                                 |
-| bookswithoutborders.bypassauthoronlycopy   | Allows player to ignore Author_Only_Copy config setting                                                  |
-| bookswithoutborders.bypassauthoronlyunsign | Allows player to ignore Author_Only_Unsign config setting                                                |
-| bookswithoutborders.bypassauthoronlysave   | Allows player to ignore Author_Only_Save config setting                                                  |
-| bookswithoutborders.bypassbookprice        | Allows player to ignore Price_to_create_book config setting                                              |
-| bookswithoutborders.setbookprice           | Allows player to set the cost of creating a book                                                         |
-| bookswithoutborders.setgeneration          | Allows player to change the generation of a book (Original, Copy, Copy of Copy)                          |
-| bookswithoutborders.clear                  | Allows player to clear the contents of the held writable book                                            |
-| bookswithoutborders.peekbookshelf          | Allows player to left-click a bookshelf to see the contents of the shelf                                 |
+| Node                                       | Description                                                                                                                                    |
+|--------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------|
+| bookswithoutborders.*                      | Grants all permissions                                                                                                                         |
+| bookswithoutborders.admin                  | Grants all permissions                                                                                                                         |
+| bookswithoutborders.use                    | bookswithoutborders.use - Allows player to use commands to save/load/delete in their personal directory, and peeking at bookshelves if enabled |
+| bookswithoutborders.alterbooks             | Allows player to change books' data such as lore/title/author/generation/formatting and un-signing books                                       |
+| bookswithoutborders.reload                 | Allows player to reload this plugin                                                                                                            |
+| bookswithoutborders.format                 | Allows a player to format a book                                                                                                               |
+| bookswithoutborders.save                   | Allows a player to save books to their personal directory                                                                                      |
+| bookswithoutborders.load                   | Allows player to load books from their personal directory                                                                                      |
+| bookswithoutborders.delete                 | Allows player to delete books from their personal directory                                                                                    |
+| bookswithoutborders.unsign                 | Allows player to un-sign books                                                                                                                 |
+| bookswithoutborders.copy                   | Allows player to copy books                                                                                                                    |
+| bookswithoutborders.loadpublic             | Allows player to load from the public directory                                                                                                |
+| bookswithoutborders.savepublic             | Allows player to save to the public directory                                                                                                  |
+| bookswithoutborders.encrypt                | Allows player to encrypt books                                                                                                                 |
+| bookswithoutborders.groupencrypt           | Allows player to use group-based encryption                                                                                                    |
+| bookswithoutborders.decrypt                | Allows player to decrypt books                                                                                                                 |
+| bookswithoutborders.decrypt.agroup         | Allows player to decrypt books group-encrypted for group "agroup"                                                                              |
+| bookswithoutborders.signs                  | Allows player to create signs that give/encrypt/decrypt books                                                                                  |
+| bookswithoutborders.give                   | Allows player to give another player one of their privately saved books                                                                        |
+| bookswithoutborders.givepublic             | Allows a player to give another player a book from the public directory                                                                        |
+| bookswithoutborders.settitle               | Allows player to set the title of the currently held book                                                                                      |
+| bookswithoutborders.setauthor              | Allows player to set the author of the currently held book                                                                                     |
+| bookswithoutborders.setlore                | Allows player to set the lore of the currently held item                                                                                       |
+| bookswithoutborders.bypassauthoronlycopy   | Allows player to ignore Author_Only_Copy config setting                                                                                        |
+| bookswithoutborders.bypassauthoronlyunsign | Allows player to ignore Author_Only_Unsign config setting                                                                                      |
+| bookswithoutborders.bypassauthoronlysave   | Allows player to ignore Author_Only_Save config setting                                                                                        |
+| bookswithoutborders.bypassbookprice        | Allows player to ignore Price_to_create_book config setting                                                                                    |
+| bookswithoutborders.setbookprice           | Allows player to set the cost of creating a book                                                                                               |
+| bookswithoutborders.setgeneration          | Allows player to change the generation of a book (Original, Copy, Copy of Copy)                                                                |
+| bookswithoutborders.clear                  | Allows player to clear the contents of the held writable book                                                                                  |
+| bookswithoutborders.peekbookshelf          | Allows player to left-click a bookshelf to see the contents of the shelf                                                                       |
 
 ### Signs
 

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>net.knarcraft</groupId>
     <artifactId>BooksWithoutBorders</artifactId>
-    <version>1.3.4</version>
+    <version>1.3.6-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <licenses>
@@ -38,7 +38,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.4</version>
+                <version>3.3.0</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -47,6 +47,16 @@
                         </goals>
                         <configuration>
                             <createDependencyReducedPom>false</createDependencyReducedPom>
+                            <relocations>
+                                <relocation>
+                                    <pattern>net.knarcraft.knarlib</pattern>
+                                    <shadedPattern>net.knarcraft.bookswithoutborders.lib.knarlib</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>org.jetbrains.annotations</pattern>
+                                    <shadedPattern>net.knarcraft.bookswithoutborders.lib.annotations</shadedPattern>
+                                </relocation>
+                            </relocations>
                             <filters>
                                 <filter>
                                     <artifact>net.knarcraft:knarlib</artifact>
@@ -55,10 +65,10 @@
                                     </includes>
                                 </filter>
                                 <filter>
-                                    <excludes>
-                                        <exclude>*.MF</exclude>
-                                        <exclude>*.yml</exclude>
-                                    </excludes>
+                                    <artifact>org.jetbrains:annotations</artifact>
+                                    <includes>
+                                        <include>org/jetbrains/annotations/**</include>
+                                    </includes>
                                 </filter>
                             </filters>
                         </configuration>
@@ -103,26 +113,32 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.20.1-R0.1-SNAPSHOT</version>
+            <version>1.21-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>com.github.MilkBowl</groupId>
             <artifactId>VaultAPI</artifactId>
-            <version>1.7</version>
+            <version>1.7.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>net.knarcraft</groupId>
             <artifactId>knarlib</artifactId>
-            <version>1.1</version>
+            <version>1.2.7</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.jetbrains</groupId>
             <artifactId>annotations</artifactId>
             <version>24.0.1</version>
-            <scope>provided</scope>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
         </dependency>
     </dependencies>
 </project>

src/main/java/net/knarcraft/bookswithoutborders/BooksWithoutBorders.java

@@ -46,6 +46,7 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
+import java.util.logging.Level;
 
 import static net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig.getBookFolder;
 import static net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig.getErrorColor;
@@ -244,8 +245,8 @@ public class BooksWithoutBorders extends JavaPlugin {
                     sendErrorMessage(consoleSender, "Saving failed! Aborting...");
                     return false;
                 }
-            } catch (Exception e) {
-                e.printStackTrace();
+            } catch (Exception exception) {
+                BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Unable to create necessary folders");
                 return false;
             }
         }
@@ -255,8 +256,8 @@ public class BooksWithoutBorders extends JavaPlugin {
                     sendErrorMessage(consoleSender, "Saving failed! Aborting...");
                     return false;
                 }
-            } catch (Exception e) {
-                e.printStackTrace();
+            } catch (Exception exception) {
+                BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Unable to create necessary folders");
                 return false;
             }
         }

src/main/java/net/knarcraft/bookswithoutborders/command/CommandSave.java

@@ -20,6 +20,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
 
 import static net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig.getCommandColor;
 import static net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig.getErrorColor;
@@ -142,8 +143,8 @@ public class CommandSave implements TabExecutor {
             //Update the relevant book list
             BooksWithoutBorders.updateBooks(player, saveToPublicFolder);
             BooksWithoutBorders.sendSuccessMessage(player, "Book Saved as \"" + fileName + "\"");
-        } catch (IOException e) {
-            e.printStackTrace();
+        } catch (IOException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Unable to save book");
         }
 
     }

src/main/java/net/knarcraft/bookswithoutborders/command/CommandUnSign.java

@@ -12,11 +12,13 @@ import org.bukkit.command.TabExecutor;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BookMeta;
+import org.bukkit.inventory.meta.WritableBookMeta;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.logging.Level;
 
 /**
  * Command executor for the unsign command
@@ -49,21 +51,36 @@ public class CommandUnSign implements TabExecutor {
      */
     public void unSignHeldBook(Player player, boolean mainHand) {
         //Get the old book
-        BookMeta oldBook = InventoryHelper.getHeldBookMetadata(player, mainHand);
+        BookMeta oldMetadata = InventoryHelper.getHeldBookMetadata(player, mainHand);
         ItemStack heldBook = InventoryHelper.getHeldBook(player, mainHand);
 
         //Only allow the owner to un-sign the book
         if (BooksWithoutBordersConfig.getAuthorOnlyUnsign() && !player.hasPermission("bookswithoutborders.bypassAuthorOnlyUnsign")) {
-            if (BookHelper.isNotAuthor(player, Objects.requireNonNull(oldBook))) {
+            if (BookHelper.isNotAuthor(player, Objects.requireNonNull(oldMetadata))) {
                 return;
             }
         }
 
-        //UnSign the book
-        ItemStack newBook = new ItemStack(Material.WRITABLE_BOOK);
-        newBook.setAmount(heldBook.getAmount());
-        newBook.setItemMeta(oldBook);
+        WritableBookMeta newMetadata = (BookMeta) BooksWithoutBorders.getItemFactory().getItemMeta(Material.WRITABLE_BOOK);
+        if (newMetadata == null) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Unable to create writable book metadata");
+            return;
+        }
 
+        //Create a new unsigned book with the same data
+        ItemStack newBook = new ItemStack(Material.WRITABLE_BOOK, heldBook.getAmount());
+        if (oldMetadata.hasLore()) {
+            List<String> oldLore = oldMetadata.getLore();
+            if (oldLore != null) {
+                List<String> newLore = new ArrayList<>(oldLore);
+                newLore.remove(0);
+                newMetadata.setLore(newLore);
+            }
+        }
+        newMetadata.setPages(oldMetadata.getPages());
+        newBook.setItemMeta(newMetadata);
+
+        // Give the player the new book
         InventoryHelper.replaceHeldItem(player, newBook, mainHand);
     }
 

src/main/java/net/knarcraft/bookswithoutborders/config/BooksWithoutBordersConfig.java

@@ -7,6 +7,7 @@ import org.bukkit.Material;
 import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.configuration.Configuration;
 
+import java.nio.file.FileSystems;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -22,7 +23,7 @@ public class BooksWithoutBordersConfig {
     private static final ChatColor errorColor = ChatColor.RED;
     private static final ChatColor successColor = ChatColor.GREEN;
     private static final ChatColor commandColor = ChatColor.YELLOW;
-    private static final String SLASH = System.getProperty("file.separator");
+    private static final String SLASH = FileSystems.getDefault().getSeparator();
     private static boolean isInitialized;
     public static String bookFolder;
 

src/main/java/net/knarcraft/bookswithoutborders/encryption/AES.java

@@ -1,5 +1,7 @@
 package net.knarcraft.bookswithoutborders.encryption;
 
+import net.knarcraft.bookswithoutborders.BooksWithoutBorders;
+
 import javax.crypto.BadPaddingException;
 import javax.crypto.Cipher;
 import javax.crypto.IllegalBlockSizeException;
@@ -15,6 +17,7 @@ import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.security.spec.InvalidKeySpecException;
 import java.util.Base64;
+import java.util.logging.Level;
 
 /**
  * This class represents and AES encryptor/decryptor
@@ -66,16 +69,16 @@ public class AES {
         //Initialize cipher
         try {
             aes.init(mode, secretKeySpec, ivParameterSpec);
-        } catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
-            e.printStackTrace();
+        } catch (InvalidKeyException | InvalidAlgorithmParameterException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Invalid AES input given!");
             return null;
         }
         //Perform encryption/decryption and output result
         try {
             byte[] output = aes.doFinal(getInputBytes(input, encrypt));
             return createResult(output, encrypt);
-        } catch (IllegalBlockSizeException | BadPaddingException e) {
-            e.printStackTrace();
+        } catch (IllegalBlockSizeException | BadPaddingException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Invalid AES block size or padding");
             return null;
         }
     }
@@ -131,8 +134,8 @@ public class AES {
         Cipher aes;
         try {
             aes = Cipher.getInstance("AES/CBC/PKCS5Padding");
-        } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
-            e.printStackTrace();
+        } catch (NoSuchAlgorithmException | NoSuchPaddingException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Invalid AES algorithm or padding");
             return null;
         }
         return aes;
@@ -149,15 +152,15 @@ public class AES {
         SecretKeyFactory keyFactory;
         try {
             keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
-        } catch (NoSuchAlgorithmException e) {
-            e.printStackTrace();
+        } catch (NoSuchAlgorithmException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Invalid AES algorithm");
             return null;
         }
         SecretKey tmp;
         try {
             tmp = keyFactory.generateSecret(spec);
-        } catch (InvalidKeySpecException e) {
-            e.printStackTrace();
+        } catch (InvalidKeySpecException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Invalid AES key specification");
             return null;
         }
         return new SecretKeySpec(tmp.getEncoded(), "AES");

src/main/java/net/knarcraft/bookswithoutborders/encryption/GenenCrypt.java

@@ -33,7 +33,7 @@ public class GenenCrypt {
             for (int j = 0; j < 4; j++) {
                 for (int k = 0; k < 4; k++) {
                     for (int l = 0; l < 4; l++) {
-                        originalCodonList.add("" + bases[i] + bases[j] + bases[k] + bases[l]);
+                        originalCodonList.add(bases[i] + bases[j] + bases[k] + bases[l]);
                     }
                 }
             }
@@ -49,7 +49,7 @@ public class GenenCrypt {
 
         // use the random number generator and the originalCodonList to make a shuffled list
         ArrayList<String> shuffledCodonList = new ArrayList<>();
-        while (originalCodonList.size() > 0) {
+        while (!originalCodonList.isEmpty()) {
             int index = ranGen.nextInt(originalCodonList.size());
             shuffledCodonList.add(originalCodonList.get(index));
             originalCodonList.remove(index);

src/main/java/net/knarcraft/bookswithoutborders/encryption/SubstitutionCipher.java

@@ -19,7 +19,7 @@ public class SubstitutionCipher {
     // original message is offset by
     public String encrypt(String in, String key) {
         StringBuilder output = new StringBuilder();
-        if (key != null && key.length() > 0) {
+        if (key != null && !key.isEmpty()) {
             StringTokenizer tokenizer = new StringTokenizer(key, ", "); // tokenizes the key
             // converts each number in the key to an integer and adds to an array
             int[] offsetArray = new int[tokenizer.countTokens()];
@@ -55,7 +55,7 @@ public class SubstitutionCipher {
     @SuppressWarnings("unused")
     public String decrypt(String in, String key) {
         StringBuilder output = new StringBuilder();
-        if (key != null && key.length() > 0) {
+        if (key != null && !key.isEmpty()) {
             StringTokenizer tokenizer = new StringTokenizer(key, ", "); // tokenizes the key
             // converts each number in the key to an integer and adds to an array
             int[] offsetArray = new int[tokenizer.countTokens()];

src/main/java/net/knarcraft/bookswithoutborders/listener/BookshelfListener.java

@@ -33,7 +33,8 @@ public class BookshelfListener implements Listener {
         Player player = event.getPlayer();
 
         // If left-clicking a chiseled bookshelf and sneaking, display contents
-        if (!event.hasBlock() || !(event.getClickedBlock().getState() instanceof ChiseledBookshelf chiseledBookshelf) ||
+        if (!event.hasBlock() || event.getClickedBlock() == null ||
+                !(event.getClickedBlock().getState() instanceof ChiseledBookshelf chiseledBookshelf) ||
                 event.getAction() != Action.LEFT_CLICK_BLOCK || !player.isSneaking()) {
             return;
         }

src/main/java/net/knarcraft/bookswithoutborders/listener/SignEventListener.java

@@ -57,7 +57,7 @@ public class SignEventListener implements Listener {
 
         //Check if the sign is of a valid type
         if (!((lines[1].equalsIgnoreCase("[Encrypt]") || lines[1].equalsIgnoreCase("[Decrypt]") ||
-                lines[1].equalsIgnoreCase("[Give]")) && lines[2].trim().length() > 0)) {
+                lines[1].equalsIgnoreCase("[Give]")) && !lines[2].trim().isEmpty())) {
             //Mark the second line as invalid
             event.setLine(1, ChatColor.DARK_RED + lines[1]);
             return;

src/main/java/net/knarcraft/bookswithoutborders/utility/BookToFromTextHelper.java

@@ -1,5 +1,6 @@
 package net.knarcraft.bookswithoutborders.utility;
 
+import net.knarcraft.bookswithoutborders.BooksWithoutBorders;
 import net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig;
 import net.knarcraft.knarlib.util.FileHelper;
 import org.bukkit.configuration.file.FileConfiguration;
@@ -15,6 +16,7 @@ import java.io.PrintWriter;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
 
 import static net.knarcraft.bookswithoutborders.utility.BookHelper.authorFromUUID;
 import static net.knarcraft.bookswithoutborders.utility.InputCleaningHelper.fixName;
@@ -157,13 +159,13 @@ public final class BookToFromTextHelper {
         List<String> rawPages;
         try {
             rawPages = readTextFile(file);
-        } catch (IOException e) {
-            e.printStackTrace();
+        } catch (IOException exception) {
+            BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Unable to read text file");
             return null;
         }
 
         //Parse the generation from the book data
-        if (rawPages != null && rawPages.size() > 0 && rawPages.get(0).startsWith("Generation:")) {
+        if (rawPages != null && !rawPages.isEmpty() && rawPages.get(0).startsWith("Generation:")) {
             bookMetadata.setGeneration(BookMeta.Generation.valueOf(rawPages.get(0).split(":")[1]));
             rawPages.remove(0);
         }

src/main/java/net/knarcraft/bookswithoutborders/utility/EncryptionHelper.java

@@ -16,6 +16,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
 
 import static net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig.getBookFolder;
 import static net.knarcraft.bookswithoutborders.config.BooksWithoutBordersConfig.getSlash;
@@ -255,8 +256,8 @@ public final class EncryptionHelper {
                     BooksWithoutBorders.sendErrorMessage(BooksWithoutBorders.getConsoleSender(), "Unable to create encryption group folder!");
                     return null;
                 }
-            } catch (Exception e) {
-                e.printStackTrace();
+            } catch (Exception exception) {
+                BooksWithoutBorders.getInstance().getLogger().log(Level.SEVERE, "Unable to save group encrypted book");
                 return null;
             }
         }
@@ -279,8 +280,7 @@ public final class EncryptionHelper {
         if (!file.isFile()) {
             try {
                 BookToFromTextHelper.bookToYml(path, fileName, bookMetadata);
-            } catch (IOException e) {
-                e.printStackTrace();
+            } catch (IOException exception) {
                 BooksWithoutBorders.sendErrorMessage(player, "Group encrypted failed!");
                 return null;
             }
@@ -312,8 +312,7 @@ public final class EncryptionHelper {
 
         try {
             BookToFromTextHelper.bookToYml(path, fileName, bookMetaData);
-        } catch (IOException e) {
-            e.printStackTrace();
+        } catch (IOException exception) {
             BooksWithoutBorders.sendErrorMessage(player, "Encryption failed!");
             return false;
         }

src/main/resources/plugin.yml

@@ -126,7 +126,7 @@ permissions:
       bookswithoutborders.reload: true
       bookswithoutborders.setgeneration: true
   bookswithoutborders.use:
-    description: Allows player to use commands to save/load/delete in their personal directory
+    description: Allows player to use commands to save/load/delete in their personal directory, and peeking at bookshelves if enabled
     children:
       bookswithoutborders.save: true
       bookswithoutborders.load: true

src/test/java/net/knarcraft/bookswithoutborders/encryption/AESTest.java

@@ -1,9 +1,9 @@
 package net.knarcraft.bookswithoutborders.encryption;
 
-import junit.framework.Assert;
 import org.junit.Test;
 
-import static junit.framework.Assert.assertEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotSame;
 
 public class AESTest {
 
@@ -15,7 +15,7 @@ public class AESTest {
         AES aes = new AES(AES.generateIV(), AES.generateIV());
 
         String encrypted = aes.encryptDecryptText(plainText, password, true);
-        Assert.assertNotSame(encrypted, plainText);
+        assertNotSame(encrypted, plainText);
         String decrypted = aes.encryptDecryptText(encrypted, password, false);
         assertEquals(plainText, decrypted);
     }