Fix use of some library functions not present in a lwjgl3ify-less ins…

…tance

settings.gradle

@@ -17,7 +17,7 @@ pluginManagement {
 }
 
 plugins {
-    id 'com.gtnewhorizons.gtnhsettingsconvention' version '1.0.13'
+    id 'com.gtnewhorizons.gtnhsettingsconvention' version '1.0.14'
 }
 
 

src/main/java/me/eigenraven/lwjgl3ify/relauncher/Relauncher.java

@@ -19,7 +19,6 @@
 
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.io.IOUtils;
-import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.StringEscapeUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.SystemUtils;
@@ -209,11 +208,15 @@ public void run() throws IOException {
             StandardCharsets.UTF_8);
 
         final List<String> bootstrapCmd = new ArrayList<>();
-        bootstrapCmd.add(
-            ArrayUtils.get(
-                RelauncherConfig.config.javaInstallationsCache,
-                RelauncherConfig.config.javaInstallation,
-                SystemUtils.IS_OS_WINDOWS ? "javaw" : "java"));
+        final String[] javas = RelauncherConfig.config.javaInstallationsCache;
+        final int javaIdx = RelauncherConfig.config.javaInstallation;
+        final String javaPath;
+        if (javaIdx < 0 || javaIdx >= javas.length) {
+            javaPath = SystemUtils.IS_OS_WINDOWS ? "javaw" : "java";
+        } else {
+            javaPath = javas[javaIdx];
+        }
+        bootstrapCmd.add(javaPath);
         bootstrapCmd.add("@" + argFile);
 
         final ProcessBuilder pb = new ProcessBuilder(bootstrapCmd);

src/main/java/me/eigenraven/lwjgl3ify/relauncher/RelauncherConfig.java

@@ -98,7 +98,6 @@ public List<String> toJvmArgs() {
 
     public static ConfigObject config = new ConfigObject();
     private static final Gson gson = new GsonBuilder().setPrettyPrinting()
-        .setLenient()
         .create();
 
     public static void load() {

src/main/java/me/eigenraven/lwjgl3ify/relauncher/RelauncherUserInterface.java

@@ -213,7 +213,7 @@ public void startSettingsIfNeeded() {
             contents.optGC.setSelectedItem(initCfg.garbageCollector);
             contents.optCustom.getDocument()
                 .putProperty(DefaultEditorKit.EndOfLineStringProperty, "\n");
-            contents.optCustom.setText(StringUtils.joinWith("\n", (Object[]) initCfg.customOptions));
+            contents.optCustom.setText(String.join("\n", initCfg.customOptions));
             contents.optForwardLogs.setSelected(initCfg.forwardLogs);
             contents.optDebugAgent.setSelected(initCfg.allowDebugger);
             contents.optDebugSuspend.setSelected(initCfg.waitForDebugger);