Ok, should work now (?)

Author: Qubilux

src/main/java/ch/njol/skript/ScriptLoader.java

@@ -617,10 +617,11 @@ private static NonNullPair<Script, List<Structure>> loadScript(Config config) {
 
 			try (CountingLogHandler ignored = new CountingLogHandler(SkriptLogger.FATAL).start()) {
 				for (Node cnode : config.getMainNode()) {
-					if (!(cnode instanceof SectionNode node)) {
+					if (!(cnode instanceof SectionNode)) {
 						Skript.error("invalid line - all code has to be put into triggers");
 						continue;
 					}
+					SectionNode node = (SectionNode) cnode;
 
 					String line = node.getKey();
 					if (line == null)

src/main/java/ch/njol/skript/lang/function/Namespace.java

@@ -131,8 +131,9 @@ public int hashCode() {
 		public boolean equals(Object o) {
 			if (this == o)
 				return true;
-			if (!(o instanceof Info info))
+			if (!(o instanceof Info))
 				return false;
+			Info info = (Info) o;
 
 			if (isLocal() != info.isLocal())
 				return false;

src/main/java/ch/njol/skript/sections/SecConditional.java

@@ -338,7 +338,8 @@ private static SecConditional getPrecedingConditional(List<TriggerItem> triggerI
 		// loop through the triggerItems in reverse order so that we find the most recent items first
 		for (int i = triggerItems.size() - 1; i >= 0; i--) {
 			TriggerItem triggerItem = triggerItems.get(i);
-			if (triggerItem instanceof SecConditional conditionalSection) {
+			if (triggerItem instanceof SecConditional) {
+				SecConditional conditionalSection = (SecConditional) triggerItem;
 
 				if (conditionalSection.type == ConditionalType.ELSE) {
 					// if the conditional is an else, return null because it belongs to a different condition and ends
@@ -359,7 +360,8 @@ private static List<SecConditional> getElseIfs(List<TriggerItem> triggerItems) {
 		List<SecConditional> list = new ArrayList<SecConditional>();
 		for (int i = triggerItems.size() - 1; i >= 0; i--) {
 			TriggerItem triggerItem = triggerItems.get(i);
-			if (triggerItem instanceof SecConditional secConditional) {
+			if (triggerItem instanceof SecConditional) {
+				SecConditional secConditional = (SecConditional) triggerItem;
 
 				if (secConditional.type == ConditionalType.ELSE_IF)
 					list.add(secConditional);

src/main/java/ch/njol/skript/util/Date.java

@@ -132,8 +132,9 @@ public boolean equals(final @Nullable Object obj) {
 			return true;
 		if (obj == null)
 			return false;
-		if (!(obj instanceof Date other))
+		if (!(obj instanceof Date))
 			return false;
+		Date other = (Date) obj;
 		return timestamp == other.timestamp;
 	}
 

src/main/java/ch/njol/skript/util/Time.java

@@ -149,8 +149,9 @@ public boolean equals(final @Nullable Object obj) {
 			return true;
 		if (obj == null)
 			return false;
-		if (!(obj instanceof Time other))
+		if (!(obj instanceof Time))
 			return false;
+		Time other = (Time) obj;
 		return time == other.time;
 	}
 

src/main/java/ch/njol/skript/util/Timeperiod.java

@@ -66,8 +66,9 @@ public int hashCode() {
 	public boolean equals(final @Nullable Object obj) {
 		if (obj == this)
 			return true;
-		if (!(obj instanceof Timeperiod other))
+		if (!(obj instanceof Timeperiod))
 			return false;
+		Timeperiod other = (Timeperiod) obj;
 		return (end == other.end && start == other.start);
 	}
 

src/main/java/ch/njol/skript/util/Timespan.java

@@ -236,8 +236,9 @@ public boolean equals(final @Nullable Object obj) {
 			return true;
 		if (obj == null)
 			return false;
-		if (!(obj instanceof Timespan other))
+		if (!(obj instanceof Timespan))
 			return false;
+		Timespan other = (Timespan) obj;
 		return millis == other.millis;
 	}
 

src/main/java/ch/njol/skript/variables/Variables.java

@@ -182,7 +182,8 @@ public static boolean load() {
 			boolean successful = true;
 
 			for (Node node : (SectionNode) databases) {
-				if (node instanceof SectionNode sectionNode) {
+				if (node instanceof SectionNode) {
+					SectionNode sectionNode = (SectionNode) node;
 
 					String type = sectionNode.getValue("type");
 					if (type == null) {

src/main/java/ch/njol/util/Pair.java

@@ -85,8 +85,9 @@ public String toString() {
 	public final boolean equals(final @Nullable Object obj) {
 		if (obj == this)
 			return true;
-		if (!(obj instanceof Entry<?, ?> other))
+		if (!(obj instanceof Entry<?, ?>))
 			return false;
+		Entry<?, ?> other = (Entry<?, ?>) obj;
 		final T1 first = this.first;
 		final T2 second = this.second;
 		return (first == null ? other.getKey() == null : first.equals(other.getKey())) &&

src/main/java/ch/njol/util/coll/ReversedListView.java

@@ -194,8 +194,9 @@ public int hashCode() {
 	public boolean equals(final @Nullable Object obj) {
 		if (obj == this)
 			return true;
-		if (!(obj instanceof List<?> other))
+		if (!(obj instanceof List<?>))
 			return false;
+		List<?> other = (List<?>) obj;
 		if (other.size() != this.size())
 			return false;
 		final Iterator<?> os = other.iterator();

src/main/java/ch/njol/yggdrasil/Fields.java

@@ -151,8 +151,9 @@ public boolean equals(@Nullable Object object) {
 				return true;
 			if (object == null)
 				return false;
-			if (!(object instanceof FieldContext other))
+			if (!(object instanceof FieldContext))
 				return false;
+			FieldContext other = (FieldContext) object;
 			return id.equals(other.id);
 		}
 

src/main/java/ch/njol/yggdrasil/JRESerializer.java

@@ -52,9 +52,11 @@ public Fields serialize(Object object) {
 		if (!SUPPORTED_CLASSES.contains(object.getClass()))
 			throw new IllegalArgumentException();
 		Fields fields = new Fields();
-		if (object instanceof Collection<?> collection) {
+		if (object instanceof Collection<?>) {
+			Collection<?> collection = (Collection<?>) object;
 			fields.putObject("values", collection.toArray());
-		} else if (object instanceof Map<?, ?> map) {
+		} else if (object instanceof Map<?, ?>) {
+			Map<?, ?> map = (Map<?, ?>) object;
 			fields.putObject("keys", map.keySet().toArray());
 			fields.putObject("values", map.values().toArray());
 		} else if (object instanceof UUID) {
@@ -91,13 +93,15 @@ public <T> T newInstance(Class<T> type) {
 	@Override
 	public void deserialize(Object object, Fields fields) throws StreamCorruptedException {
 		try {
-			if (object instanceof Collection<?> collection) {
+			if (object instanceof Collection<?>) {
+				Collection<?> collection = (Collection<?>) object;
 				Object[] values = fields.getObject("values", Object[].class);
 				if (values == null)
 					throw new StreamCorruptedException();
 				collection.addAll((Collection) Arrays.asList(values));
 				return;
-			} else if (object instanceof Map<?, ?> map) {
+			} else if (object instanceof Map<?, ?>) {
+				Map<?, ?> map = (Map<?, ?>) object;
 				Object[] keys = fields.getObject("keys", Object[].class), values = fields.getObject("values", Object[].class);
 				if (keys == null || values == null || keys.length != values.length)
 					throw new StreamCorruptedException();