Added utilities class

src/main/java/rife/bld/extension/AbstractBootOperation.java

@@ -26,7 +26,6 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.nio.file.Files;
-import java.text.DecimalFormat;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -54,47 +53,6 @@ public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
     private String launcherClass_;
     private String mainClass_;
 
-    /**
-     * Deletes the given directory.
-     *
-     * @param directory the directory to delete
-     */
-    public static void deleteDirectories(File... directory) throws FileUtilsErrorException {
-        for (var d : directory) {
-            if (d.exists()) {
-                FileUtils.deleteDirectory(d);
-            }
-        }
-    }
-
-    /**
-     * Calculates the given file size in bytes, kilobytes, megabytes, gigabytes or terabytes.
-     *
-     * @param file the file
-     * @return the file size in B, KB, MB, GB, or TB.
-     */
-    public static String fileSize(File file) {
-        var size = file.length();
-        if (size <= 0) {
-            return "0 B";
-        }
-        var units = new String[]{"B", "KB", "MB", "GB", "TB"};
-        var digitGroups = (int) (Math.log10(size) / Math.log10(1024));
-        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups))
-                + ' ' + units[digitGroups];
-    }
-
-    /**
-     * Makes a directory for the given path, including any necessary but nonexistent parent directories.
-     *
-     * @param path the directory path
-     */
-    public static void mkDirs(File path) throws IOException {
-        if (!path.exists() && !path.mkdirs()) {
-            throw new IOException("Unable to create: " + path.getAbsolutePath());
-        }
-    }
-
     /**
      * Retrieves the destination directory in which the archive will be created.
      *
@@ -112,7 +70,7 @@ public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
      */
     public T destinationDirectory(File directory) throws IOException {
         destinationDirectory_ = directory;
-        mkDirs(destinationDirectory_);
+        BootUtils.mkDirs(destinationDirectory_);
         //noinspection unchecked
         return (T) this;
     }
@@ -169,7 +127,7 @@ public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
      */
     protected void executeCopyInfClassesFiles(File stagingInfDirectory) throws IOException {
         var inf_classes_dir = new File(stagingInfDirectory, "classes");
-        mkDirs(inf_classes_dir);
+        BootUtils.mkDirs(inf_classes_dir);
 
         for (var dir : sourceDirectories()) {
             if (dir.exists()) {
@@ -179,7 +137,7 @@ public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
             }
         }
 
-        deleteDirectories(new File(inf_classes_dir, "resources"), new File(inf_classes_dir, "templates"));
+        BootUtils.deleteDirectories(new File(inf_classes_dir, "resources"), new File(inf_classes_dir, "templates"));
     }
 
     /**
@@ -189,7 +147,7 @@ public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
      */
     protected void executeCopyInfLibs(File stagingInfDirectory) throws IOException {
         var inf_lib_dir = new File(stagingInfDirectory, "lib");
-        mkDirs(inf_lib_dir);
+        BootUtils.mkDirs(inf_lib_dir);
 
         for (var jar : infLibs_) {
             if (jar.exists()) {
@@ -258,7 +216,7 @@ public abstract class AbstractBootOperation<T extends AbstractBootOperation<T>>
      */
     protected void executeCreateManifest(File stagingDirectory) throws IOException {
         var meta_inf_dir = new File(stagingDirectory, "META-INF");
-        mkDirs(meta_inf_dir);
+        BootUtils.mkDirs(meta_inf_dir);
 
         var manifest = new File(meta_inf_dir, "MANIFEST.MF").toPath();
 

src/main/java/rife/bld/extension/BootJarOperation.java

@@ -54,7 +54,7 @@ public class BootJarOperation extends AbstractBootOperation<BootJarOperation> {
 
             if (!silent() && LOGGER.isLoggable(Level.INFO)) {
                 LOGGER.info(String.format("The executable JAR was created: %s (%s)", archive.getAbsolutePath(),
-                        fileSize(archive)));
+                        BootUtils.fileSize(archive)));
             }
         } finally {
             FileUtils.deleteDirectory(staging_dir);
@@ -69,7 +69,7 @@ public class BootJarOperation extends AbstractBootOperation<BootJarOperation> {
      */
     protected File executeCreateBootInfDirectory(File stagingDirectory) throws IOException {
         var boot_inf = new File(stagingDirectory, "BOOT-INF");
-        mkDirs(boot_inf);
+        BootUtils.mkDirs(boot_inf);
         return boot_inf;
     }
 

src/main/java/rife/bld/extension/BootUtils.java

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package rife.bld.extension;
+
+import rife.tools.FileUtils;
+import rife.tools.exceptions.FileUtilsErrorException;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.DecimalFormat;
+
+/**
+ * Collection of utility-type methods used by {@link AbstractBootOperation Spring Boot operations}.
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public final class BootUtils {
+    private BootUtils() {
+        // no-op
+    }
+
+    /**
+     * Deletes the given directory.
+     *
+     * @param directory the directory to delete
+     */
+    public static void deleteDirectories(File... directory) throws FileUtilsErrorException {
+        for (var d : directory) {
+            if (d.exists()) {
+                FileUtils.deleteDirectory(d);
+            }
+        }
+    }
+
+    /**
+     * Calculates the given file size in bytes, kilobytes, megabytes, gigabytes or terabytes.
+     *
+     * @param file the file
+     * @return the file size in B, KB, MB, GB, or TB.
+     */
+    public static String fileSize(File file) {
+        var size = file.length();
+        if (size <= 0) {
+            return "0 B";
+        }
+        var units = new String[]{"B", "KB", "MB", "GB", "TB"};
+        var digitGroups = (int) (Math.log10(size) / Math.log10(1024));
+        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups))
+                + ' ' + units[digitGroups];
+    }
+
+    /**
+     * Makes a directory for the given path, including any necessary but nonexistent parent directories.
+     *
+     * @param path the directory path
+     */
+    public static void mkDirs(File path) throws IOException {
+        if (!path.exists() && !path.mkdirs()) {
+            throw new IOException("Unable to create: " + path.getAbsolutePath());
+        }
+    }
+}

src/main/java/rife/bld/extension/BootWarOperation.java

@@ -58,7 +58,7 @@ public class BootWarOperation extends AbstractBootOperation<BootWarOperation> {
 
             if (!silent() && LOGGER.isLoggable(Level.INFO)) {
                 LOGGER.info(String.format("The executable WAR was created: %s (%s)", archive.getAbsolutePath(),
-                        fileSize(archive)));
+                        BootUtils.fileSize(archive)));
             }
         } finally {
             FileUtils.deleteDirectory(staging_dir);
@@ -72,7 +72,7 @@ public class BootWarOperation extends AbstractBootOperation<BootWarOperation> {
      */
     protected void executeCopyWebInfProvidedLib(File stagingWebInfDirectory) throws IOException {
         var lib_provided_dir = new File(stagingWebInfDirectory, "lib-provided");
-        mkDirs(lib_provided_dir);
+        BootUtils.mkDirs(lib_provided_dir);
 
         for (var jar : providedLibs_) {
             if (jar.exists()) {
@@ -90,7 +90,7 @@ public class BootWarOperation extends AbstractBootOperation<BootWarOperation> {
      */
     protected File executeCreateWebInfDirectory(File stagingDirectory) throws IOException {
         var boot_inf = new File(stagingDirectory, "WEB-INF");
-        mkDirs(boot_inf);
+        BootUtils.mkDirs(boot_inf);
         return boot_inf;
     }
 

src/test/java/rife/bld/extension/BootJarOperationTest.java

@@ -182,6 +182,7 @@ class BootJarOperationTest {
                         "BOOT-INF/classes/rife/bld/extension/AbstractBootOperation.class\n" +
                         "BOOT-INF/classes/rife/bld/extension/BootJarOperation.class\n" +
                         "BOOT-INF/classes/rife/bld/extension/BootManifestAttribute.class\n" +
+                        "BOOT-INF/classes/rife/bld/extension/BootUtils.class\n" +
                         "BOOT-INF/classes/rife/bld/extension/BootWarOperation.class\n" +
                         "BOOT-INF/lib/\n" +
                         "BOOT-INF/lib/" + SPRING_BOOT + '\n' +
@@ -216,6 +217,7 @@ class BootJarOperationTest {
                         "BOOT-INF/classes/rife/bld/extension/AbstractBootOperation.class\n" +
                         "BOOT-INF/classes/rife/bld/extension/BootJarOperation.class\n" +
                         "BOOT-INF/classes/rife/bld/extension/BootManifestAttribute.class\n" +
+                        "BOOT-INF/classes/rife/bld/extension/BootUtils.class\n" +
                         "BOOT-INF/classes/rife/bld/extension/BootWarOperation.class\n" +
                         "BOOT-INF/lib/\n" +
                         "BOOT-INF/lib/" + BLD + '\n' +
@@ -282,6 +284,7 @@ class BootJarOperationTest {
                         "WEB-INF/classes/rife/bld/extension/AbstractBootOperation.class\n" +
                         "WEB-INF/classes/rife/bld/extension/BootJarOperation.class\n" +
                         "WEB-INF/classes/rife/bld/extension/BootManifestAttribute.class\n" +
+                        "WEB-INF/classes/rife/bld/extension/BootUtils.class\n" +
                         "WEB-INF/classes/rife/bld/extension/BootWarOperation.class\n" +
                         "WEB-INF/lib/\n" +
                         "WEB-INF/lib/" + BLD + '\n' +