fixed null pointer exception

saharmehrpour · saharmehrpour · commit cbbd14b2d788 · 2019-04-18T13:40:29.000-04:00
diff --git a/src/FileChangeManager.java b/src/FileChangeManager.java
@@ -168,7 +168,8 @@ public void after(@NotNull List<? extends VFileEvent> events) {
         connection.subscribe(FileEditorManagerListener.FILE_EDITOR_MANAGER, new FileEditorManagerListener() {
             @Override
             public void selectionChanged(@NotNull FileEditorManagerEvent event) {
-                s.sendToAll(MessageProcessor.encodeData(new Object[]{"IDEA", "WEB", "SHOW_RULES_FOR_FILE", event.getManager().getSelectedFiles()[0].getPath()}).toString());
+                if(event.getManager().getSelectedFiles().length > 0)
+                    s.sendToAll(MessageProcessor.encodeData(new Object[]{"IDEA", "WEB", "SHOW_RULES_FOR_FILE", event.getManager().getSelectedFiles()[0].getPath()}).toString());
             }
 
         });

Original file line number	Diff line number	Diff line change
`@@ -168,7 +168,8 @@ public void after(@NotNull List<? extends VFileEvent> events) {`
`168`	`168`	`connection.subscribe(FileEditorManagerListener.FILE_EDITOR_MANAGER, new FileEditorManagerListener() {`
`169`	`169`	`@Override`
`170`	`170`	`public void selectionChanged(@NotNull FileEditorManagerEvent event) {`
`171`		`- s.sendToAll(MessageProcessor.encodeData(new Object[]{"IDEA", "WEB", "SHOW_RULES_FOR_FILE", event.getManager().getSelectedFiles()[0].getPath()}).toString());`
	`171`	`+ if(event.getManager().getSelectedFiles().length > 0)`
	`172`	`+ s.sendToAll(MessageProcessor.encodeData(new Object[]{"IDEA", "WEB", "SHOW_RULES_FOR_FILE", event.getManager().getSelectedFiles()[0].getPath()}).toString());`
`172`	`173`	`}`
`173`	`174`
`174`	`175`	`});`