Changed try blocks that used streams and other classes that implement the Closeable, to try-with-resources statement, which implicitly close Closeables.

src/main/java/com/rarchives/ripme/App.java

@@ -217,9 +217,9 @@ public class App {
         //Read URLs from File
         if (cl.hasOption('f')) {
             String filename = cl.getOptionValue('f');
-            try {
+
+            try (BufferedReader br = new BufferedReader(new FileReader(filename))) {
                 String url;
-                BufferedReader br = new BufferedReader(new FileReader(filename));
                 while ((url = br.readLine()) != null) {
                     if (url.startsWith("//") || url.startsWith("#")) {
                         logger.debug("Skipping over line \"" + url + "\"because it is a comment");

src/main/java/com/rarchives/ripme/ripper/AbstractRipper.java

@@ -129,8 +129,8 @@ public abstract class AbstractRipper
     private boolean hasDownloadedURL(String url) {
         File file = new File(URLHistoryFile);
         url = normalizeUrl(url);
-        try {
+
-            Scanner scanner = new Scanner(file);
+        try (Scanner scanner = new Scanner(file)) {
             while (scanner.hasNextLine()) {
                 final String lineFromFile = scanner.nextLine();
                 if (lineFromFile.equals(url)) {
@@ -140,6 +140,7 @@ public abstract class AbstractRipper
         } catch (FileNotFoundException e) {
             return false;
         }
+
         return false;
     }
 

src/main/java/com/rarchives/ripme/ripper/AlbumRipper.java

@@ -68,11 +68,10 @@ public abstract class AlbumRipper extends AbstractRipper {
         if (Utils.getConfigBoolean("urls_only.save", false)) {
             // Output URL to file
             String urlFile = this.workingDir + File.separator + "urls.txt";
-            try {
+            try (FileWriter fw = new FileWriter(urlFile, true)) {
-                FileWriter fw = new FileWriter(urlFile, true);
                 fw.write(url.toExternalForm());
                 fw.write("\n");
-                fw.close();
+
                 RipStatusMessage msg = new RipStatusMessage(STATUS.DOWNLOAD_COMPLETE, urlFile);
                 itemsCompleted.put(url, new File(urlFile));
                 observer.update(this, msg);

src/main/java/com/rarchives/ripme/ripper/VideoRipper.java

@@ -45,11 +45,8 @@ public abstract class VideoRipper extends AbstractRipper {
         if (Utils.getConfigBoolean("urls_only.save", false)) {
             // Output URL to file
             String urlFile = this.workingDir + File.separator + "urls.txt";
-            try {
+            try (FileWriter fw = new FileWriter(urlFile, true)) {
-                FileWriter fw = new FileWriter(urlFile, true);
                 fw.write(url.toExternalForm());
-                fw.write("\n");
-                fw.close();
                 RipStatusMessage msg = new RipStatusMessage(STATUS.DOWNLOAD_COMPLETE, urlFile);
                 observer.update(this, msg);
             } catch (IOException e) {

src/main/java/com/rarchives/ripme/ui/UpdateUtils.java

@@ -149,9 +149,11 @@ public class UpdateUtils {
                 .timeout(Utils.getConfigInteger("download.timeout", 60 * 1000))
                 .maxBodySize(1024 * 1024 * 100)
                 .execute();
-        FileOutputStream out = new FileOutputStream(updateFileName);
+
+        try (FileOutputStream out = new FileOutputStream(updateFileName)) {
             out.write(response.bodyAsBytes());
-        out.close();
+        }
+
         logger.info("Download of new version complete; saved to " + updateFileName);
 
         // Setup updater script
@@ -185,11 +187,12 @@ public class UpdateUtils {
                     + "rm -f " + batchPath + "\n";
             batchExec = new String[] { "sh", batchPath };
         }
+
         // Create updater script
-        BufferedWriter bw = new BufferedWriter(new FileWriter(batchFile));
+        try (BufferedWriter bw = new BufferedWriter(new FileWriter(batchFile))) {
             bw.write(script);
-        bw.flush();
+        }
-        bw.close();
+
         logger.info("Saved update script to " + batchFile);
         // Run updater script on exit
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {