1.0.5

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+**1.0.5**
+* Allow Forcing Preview Features With ``freshcoffee:preview_features_required``
+
+**1.0.4**
+* Replace Reflection With New Fabric Loader API
+* Enable Java Preview Features
+
+**1.0.3**
+* Improve Java Binary Testing
+
 **1.0.2**
 * Fix 32-Bit OpenJDk Installation
 

README.md

@@ -35,4 +35,13 @@ You can set a maximum version of Java by adding this to ``fabric.mod.json``:
         "freshcoffee:maximum_java_version": 14
     }
 }
+```
+
+You can also force Java preview features:
+```json
+{
+    "custom": {
+        "freshcoffee:preview_features_required": true
+    }
+}
 ```

gradle.properties

@@ -3,14 +3,14 @@ org.gradle.jvmargs = -Xmx1G
 
 # Fabric Properties
     # check these on https://fabricmc.net/use
-    minecraft_version = 1.16.2
+    minecraft_version = 1.16.3
     curseforge_id = 398250
-    simple_minecraft_version = 1.16.2
-    yarn_build = 6
-    fabric_loader_version = 0.9.0+build.204
+    simple_minecraft_version = 1.16.3
+    yarn_build = 47
+    fabric_loader_version = 0.10.3+build.211
 
 # Mod Properties
-    mod_version = 1.0.2
+    mod_version = 1.0.5
     maven_group = com.thebrokenrail
 
 # Dependencies

src/main/java/com/thebrokenrail/freshcoffee/FreshCoffee.java

@@ -4,6 +4,7 @@ import com.thebrokenrail.freshcoffee.config.HardcodedConfig;
 import com.thebrokenrail.freshcoffee.dialog.Dialog;
 import com.thebrokenrail.freshcoffee.download.AdoptOpenJDK;
 import com.thebrokenrail.freshcoffee.util.PlatformUtil;
+import com.thebrokenrail.freshcoffee.util.PreviewUtil;
 import com.thebrokenrail.freshcoffee.util.ReLaunchUtil;
 import com.thebrokenrail.freshcoffee.util.Util;
 import com.thebrokenrail.freshcoffee.util.ExtractUtil;
@@ -17,13 +18,13 @@ import java.net.URL;
 public class FreshCoffee implements PreLaunchEntrypoint {
     @Override
     public void onPreLaunch() {
-        if (Util.JAVA_VERSION < LimitUtil.getMinimumJavaVersion().getValue() || Util.JAVA_VERSION > LimitUtil.getMaximumJavaVersion().getValue()) {
+        if (Util.JAVA_VERSION < LimitUtil.getMinimumJavaVersion().getValue() || Util.JAVA_VERSION > LimitUtil.getMaximumJavaVersion().getValue() || (PreviewUtil.arePreviewFeaturesRequired() && !PreviewUtil.arePreviewFeaturesEnabled())) {
             if (LimitUtil.getMinimumJavaVersion().getValue() > LimitUtil.getMaximumJavaVersion().getValue()) {
                 Dialog.getInstance().showErrorDialog(String.format(HardcodedConfig.MINIMUM_HIGHER_THAN_MAXIMUM_MESSAGE, LimitUtil.getMinimumJavaVersion().toString(), LimitUtil.getMaximumJavaVersion().toString()));
                 System.exit(1);
             }
 
-            ReLaunchUtil.reLaunch();
+            ReLaunchUtil.reLaunch(true);
 
             // Download Available JDKs
             AdoptOpenJDK.JDK jdk = AdoptOpenJDK.get().get(PlatformUtil.getPlatform());
@@ -49,7 +50,7 @@ public class FreshCoffee implements PreLaunchEntrypoint {
 
                         ExtractUtil.extract(url, dir);
 
-                        ReLaunchUtil.reLaunch();
+                        ReLaunchUtil.reLaunch(false);
                     }
 
                     System.exit(1);

src/main/java/com/thebrokenrail/freshcoffee/config/HardcodedConfig.java

@@ -5,6 +5,7 @@ import java.io.File;
 public final class HardcodedConfig {
     public static final String MINIMUM_JSON_KEY = "freshcoffee:minimum_java_version";
     public static final String MAXIMUM_JSON_KEY = "freshcoffee:maximum_java_version";
+    public static final String PREVIEW_JSON_KEY = "freshcoffee:preview_features_required";
 
     public static final String TITLE = "FreshCoffee";
 

src/main/java/com/thebrokenrail/freshcoffee/util/PreviewUtil.java

@@ -0,0 +1,34 @@
+package com.thebrokenrail.freshcoffee.util;
+
+import com.thebrokenrail.freshcoffee.config.HardcodedConfig;
+import net.fabricmc.loader.api.FabricLoader;
+import net.fabricmc.loader.api.ModContainer;
+import net.fabricmc.loader.api.metadata.ModMetadata;
+
+import java.lang.management.ManagementFactory;
+import java.util.ArrayList;
+import java.util.List;
+
+public final class PreviewUtil {
+    public static boolean arePreviewFeaturesRequired() {
+        for (ModContainer mod : FabricLoader.getInstance().getAllMods()) {
+            ModMetadata metadata = mod.getMetadata();
+            if (metadata.containsCustomValue(HardcodedConfig.PREVIEW_JSON_KEY)) {
+                try {
+                    boolean newValue = metadata.getCustomValue(HardcodedConfig.PREVIEW_JSON_KEY).getAsBoolean();
+                    if (newValue) {
+                        return true;
+                    }
+                } catch (ClassCastException e) {
+                    Util.getLogger().error("Invalid Value For Preview Features: " + metadata.getId());
+                }
+            }
+        }
+        return false;
+    }
+
+    public static boolean arePreviewFeaturesEnabled() {
+        List<String> vmArgs = new ArrayList<>(ManagementFactory.getRuntimeMXBean().getInputArguments());
+        return vmArgs.contains("--enable-preview");
+    }
+}

src/main/java/com/thebrokenrail/freshcoffee/util/ReLaunchUtil.java

@@ -1,16 +1,13 @@
 package com.thebrokenrail.freshcoffee.util;
 
 import com.thebrokenrail.freshcoffee.config.HardcodedConfig;
-import net.fabricmc.loader.FabricLoader;
-import net.fabricmc.loader.game.MinecraftGameProvider;
-import net.fabricmc.loader.util.Arguments;
+import net.fabricmc.loader.api.FabricLoader;
 import org.apache.logging.log4j.LogManager;
 
 import java.io.File;
 import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.lang.management.ManagementFactory;
-import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -47,15 +44,7 @@ public final class ReLaunchUtil {
             // Set Entry-Point
             mainArgs.add(Util.getMainClass());
             // Get Parameters
-            String[] launchArgs;
-            try {
-                Field launchArgsField = MinecraftGameProvider.class.getDeclaredField("arguments");
-                launchArgsField.setAccessible(true);
-                //noinspection deprecation
-                launchArgs = ((Arguments) launchArgsField.get(FabricLoader.INSTANCE.getGameProvider())).toArray();
-            } catch (IllegalAccessException | NoSuchFieldException e) {
-                throw new RuntimeException(e);
-            }
+            String[] launchArgs = FabricLoader.getInstance().getLaunchArguments(false);
             // Add Parameters
             mainArgs.addAll(Arrays.asList(launchArgs));
             return mainArgs;
@@ -68,6 +57,14 @@ public final class ReLaunchUtil {
         List<String> vmArgs = new ArrayList<>(ManagementFactory.getRuntimeMXBean().getInputArguments());
         // Remove Debugger
         vmArgs.removeIf(arg -> arg.startsWith("-agentlib") || arg.startsWith("-javaagent"));
+        // Enable Java Preview Features
+        if (PreviewUtil.arePreviewFeaturesRequired()) {
+            if (!vmArgs.contains("--enable-preview")) {
+                vmArgs.add("--enable-preview");
+            }
+        } else {
+            vmArgs.remove("--enable-preview");
+        }
 
         List<String> mainArgs = getMainArgs();
 
@@ -110,24 +107,33 @@ public final class ReLaunchUtil {
         }
     }
 
+    private static void javaBinaryTestFailed(String reason) {
+        Util.getLogger().debug("Java Binary Test Failed: " + reason);
+    }
+
     private static boolean testJavaBinary(String javaBinary) {
+        Util.getLogger().debug("Testing Java Binary: " + javaBinary);
+
         Process process;
         try {
             process = new ProcessBuilder(javaBinary, "-version").start();
         } catch (IOException e) {
+            javaBinaryTestFailed(e.toString());
             return false;
         }
 
         try {
             int status = process.waitFor();
+            javaBinaryTestFailed("Exit Code: " + status);
             return status == 0;
         } catch (InterruptedException e) {
+            javaBinaryTestFailed(e.toString());
             process.destroy();
             return false;
         }
     }
 
-    public static void reLaunch() {
+    public static void reLaunch(boolean testJavaBinary) {
         File[] files = HardcodedConfig.INSTALL_DIR.listFiles();
         if (files != null) {
             List<String> list = new ArrayList<>();
@@ -142,7 +148,7 @@ public final class ReLaunchUtil {
             if (newestVersion != null) {
                 File javaDir = Util.getJavaDir(newestVersion);
                 File javaBinary = new File(new File(javaDir, "bin"), "java" + PlatformUtil.getExecutableExtension());
-                if (javaBinary.exists() && javaBinary.canExecute() && testJavaBinary(javaBinary.getAbsolutePath())) {
+                if (!testJavaBinary || testJavaBinary(javaBinary.getAbsolutePath())) {
                     Util.getLogger().info("Using Java Executable: " + javaBinary.getAbsolutePath());
                     reLaunch(javaBinary.getAbsolutePath());
                 } else {