Bugfixes and optimizations

Fixes a bug where the server version is not updated on load.
Optimized downloading of all jar files.

src/net/knarcraft/serverlauncher/profile/Profile.java

@@ -461,6 +461,12 @@ public class Profile {
         }
     }
 
+    /**
+     * Parses a profile, and creates a profile with the data.
+     *
+     * @param profileData   The data of the new profile
+     * @return              The new profile
+     */
     private static Profile parseProfile(String[] profileData) {
         return new Profile(
                 profileData[0],
@@ -470,6 +476,12 @@ public class Profile {
         );
     }
 
+    /**
+     * Parses a server, and creates a new collection.
+     *
+     * @param profile       The profile which to add the collection
+     * @param serverData    The data to parse
+     */
     private static void parseServer(Profile profile, String[] serverData) {
         profile.collections.add(new Collection(
                 serverData[0],
@@ -485,6 +497,11 @@ public class Profile {
         );
     }
 
+    /**
+     * Downloads all jars to the program directory.
+     *
+     * @throws IOException  On version file failure or folder creation failure
+     */
     public static void downloadJars() throws IOException {
         if (!new File(jarDir).exists() && !new File(jarDir).mkdirs()) {
             JOptionPane.showMessageDialog(
@@ -495,146 +512,64 @@ public class Profile {
             );
             throw new FileNotFoundException("Unable to create jars folder");
         }
-        downloadSimple("Spigot");
+        try {
-        downloadSimple("Craftbukkit");
+            downloadAll();
-        downloadSimple("MCPCplus");
-        downloadMixed("Vanilla");
-        downloadMixed("Snapshot");
-        downloadSponge();
-        downloadBungee();
             gui.setStatus("Finished downloading jars");
-    }
+        } catch (FileNotFoundException e) {
-
+            gui.setStatus("One or more downloads failed: " + e.getMessage());
-    private static void downloadSimple(String typeName) throws FileNotFoundException {
-        ServerType type = ServerType.getByName(typeName);
-        String url = Objects.requireNonNull(type).getDownloadURL();
-        String name = type.getName();
-        Boolean success;
-        for (String version : type.getVersions()) {
-            File file = new File(jarDir + type.getName() + version + ".jar");
-            if (!file.isFile()) {
-                Path filePath = Paths.get(jarDir + type.getName() + version + ".jar");
-                if (gui != null) {
-                    gui.setStatus("Downloading: " + name + version + ".jar");
-                }
-                success = downloadFile(url + name + version + ".jar", filePath);
-                if (!success) {
-                    if (gui != null) {
-                        gui.setStatus("Error downloading: " + name + version + ".jar");
-                    }
-                    throw new FileNotFoundException("Error downloading: " + name + version + ".jar");
-                }
-            }
         }
     }
 
-    private static void downloadMixed(String typeName) throws IOException {
+    /**
-        AdvancedServerType type = (AdvancedServerType) ServerType.getByName(typeName);
+     * Downloads jar files for all possible server versions.
-        String url = Objects.requireNonNull(type).getDownloadURL();
+     *
-        String name = type.getName();
+     * @throws IOException If a jar fails to download.
-        String versionText;
+     */
-        String newestVersion;
+    private static void downloadAll() throws IOException {
-        Boolean success;
+        for (ServerType type : ServerType.getServerTypes()) {
+            String url = Objects.requireNonNull(type).getDownloadURL(), name = type.getName(), newestVersion;
+            AdvancedServerType advType = type instanceof AdvancedServerType ? (AdvancedServerType) type : null;
             for (String version : type.getVersions()) {
-            File file = new File(jarDir + type.getName() + version + ".jar");
+                Boolean success;
-            Path filePath = Paths.get(jarDir + type.getName() + version + ".jar");
                 if (gui != null) {
                     gui.setStatus("Downloading: " + name + version + ".jar");
                 }
+                File file = new File(jarDir + type.getName() + version + ".jar");
+                Path filePath = Paths.get(jarDir + type.getName() + version + ".jar");
+                switch (type.getName()) {
+                    case "Vanilla":
+                    case "Snapshot":
                         if (version.equals("Latest")) {
-                try {
+                            newestVersion = stringBetween(readFile(Objects.requireNonNull(advType).getVersionURL()), advType.getSrcStart(), advType.getSrcEnd());
-                    versionText = readFile(type.getVersionURL());
-                } catch (IOException e) {
-                    throw new IOException("Error reading: " + type.getVersionURL());
-                }
-                newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
-                if (!file.isFile() || !newestVersion.equals(getVersion(name))) {
-                    success = downloadFile(
-                            url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar",
-                            filePath
-                    );
                             setVersion(name, newestVersion);
-                    if (!success) {
+                            success = (file.isFile() && newestVersion.equals(getVersion(name))) || downloadFile(url + newestVersion + advType.getDownloadURLPart() + newestVersion + ".jar", filePath);
-                        if (gui != null) {
-                            gui.setStatus("Error downloading: " + name + version + ".jar");
-                        }
-                        throw new FileNotFoundException("Error downloading: " + name + version + ".jar");
-                    }
-                }
                         } else {
-                if (!file.isFile()) {
+                            success = file.isFile() || downloadFile(url + version + Objects.requireNonNull(advType).getDownloadURLPart() + version + ".jar", filePath);
-                    success = downloadFile(url + version + type.getDownloadURLPart() + version + ".jar", filePath);
-                    if (!success) {
-                        if (gui != null) {
-                            gui.setStatus("Error downloading: " + name + version + ".jar");
                         }
-                        throw new FileNotFoundException("Error downloading: " + name + version + ".jar");
+                        break;
-                    }
+                    case "Spigot":
-                }
+                    case "Craftbukkit":
-            }
+                    case "MCPCplus":
-        }
+                        success = file.isFile() || downloadFile(url + name + version + ".jar", filePath);
-    }
+                        break;
-
+                    case "SpongeVanilla":
-    private static void downloadSponge() throws IOException {
+                        newestVersion = stringBetween(readFile(Objects.requireNonNull(advType).getVersionURL() + version), advType.getSrcStart(), advType.getSrcEnd());
-        AdvancedServerType type = (AdvancedServerType) ServerType.getByName("SpongeVanilla");
+                        success = file.isFile() || downloadFile(url + newestVersion + advType.getDownloadURLPart() + newestVersion + ".jar", filePath);
-        String url = Objects.requireNonNull(type).getDownloadURL();
+                        break;
-        String name = type.getName();
+                    case "Bungee":
-        String versionText;
+                        newestVersion = stringBetween(readFile(Objects.requireNonNull(advType).getVersionURL()), advType.getSrcStart(), advType.getSrcEnd());
-        String newestVersion;
-        Boolean success;
-        for (String version : type.getVersions()) {
-            File file = new File(jarDir + name + version + ".jar");
-            Path filePath = Paths.get(jarDir + name + version + ".jar");
-            if (gui != null) {
-                gui.setStatus("Downloading: " + name + version + ".jar");
-            }
-            try {
-                versionText = readFile(type.getVersionURL() + version);
-            } catch (IOException e) {
-                throw new IOException("Error reading: " + type.getVersionURL());
-            }
-            newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
-            if (!file.isFile()) {
-                success = downloadFile(
-                        url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar",
-                        filePath
-                );
-                if (!success) {
-                    if (gui != null) {
-                        gui.setStatus("Error downloading: " + name + version + ".jar");
-                    }
-                    throw new FileNotFoundException("Error downloading: " + name + version + ".jar");
-                }
-            }
-        }
-    }
-
-    private static void downloadBungee() throws IOException {
-        AdvancedServerType type = (AdvancedServerType) ServerType.getByName("Bungee");
-        String url = Objects.requireNonNull(type).getDownloadURL();
-        String name = type.getName();
-        String versionText;
-        String newestVersion;
-        Boolean success;
-        File file = new File(jarDir + type.getName() + ".jar");
-        Path filePath = Paths.get(jarDir + type.getName() + ".jar");
-        if (gui != null) {
-            gui.setStatus("Downloading: " + name + ".jar");
-        }
-        try {
-            versionText = readFile(type.getVersionURL());
-        } catch (IOException e) {
-            throw new IOException("Error reading: " + type.getVersionURL());
-        }
-        newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
-        if (!file.isFile() || !newestVersion.equals(getVersion(name))) {
-            success = downloadFile(url, filePath);
                         setVersion(name, newestVersion);
+                        success = (file.isFile() && newestVersion.equals(getVersion(name))) || downloadFile(url, filePath);
+                        break;
+                    default:
+                        success = true;
+                }
                 if (!success) {
                     if (gui != null) {
-                    gui.setStatus("Error downloading: " + name + ".jar");
+                        gui.setStatus("Error downloading: " + name + version + ".jar");
+                    }
+                    throw new FileNotFoundException("Error downloading: " + name + version + ".jar");
                 }
-                throw new FileNotFoundException("Error downloading: " + name + ".jar");
             }
         }
     }

src/net/knarcraft/serverlauncher/server/Server.java

@@ -351,12 +351,7 @@ public class Server {
         AdvancedServerType type;
         File file = new File(this.path + File.separator + this.getType());
         Path filePath = Paths.get(this.path + File.separator + this.getType());
-        String versionText;
+        String versionText, newestVersion, url = this.type.getDownloadURL(), name = this.type.getName(), ver = this.serverVersion;
-        String newestVersion;
-        String url = this.type.getDownloadURL();
-        String name = this.type.getName();
-        String ver = this.serverVersion;
-        boolean success;
         switch (this.type.getName()) {
             case "Custom":
                 if (!file.isFile()) {
@@ -366,12 +361,9 @@ public class Server {
             case "Spigot":
             case "Craftbukkit":
             case "MCPCplus":
-                if (!file.isFile()) {
+                if (!(file.isFile() || downloadFile(url + name + ver + ".jar", filePath))) {
-                    success = downloadFile(url + name + ver + ".jar", filePath);
-                    if (!success) {
                     throw new FileNotFoundException("Jar file could not be downloaded.");
                 }
-                }
                 break;
             case "Vanilla":
             case "Snapshot":
@@ -384,23 +376,16 @@ public class Server {
                     }
                     newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
                     if (!file.isFile() || !newestVersion.equals(this.getVersion(name))) {
-                        success = downloadFile(
-                                url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar",
-                                filePath
-                        );
                         this.setVersion(name, newestVersion);
-                        if (!success) {
+                        if (!downloadFile(url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar", filePath)) {
                             throw new FileNotFoundException("Jar file could not be downloaded.");
                         }
                     }
                 } else {
-                    if (!file.isFile()) {
+                    if (!(file.isFile() || downloadFile(url + ver + type.getDownloadURLPart() + ver + ".jar", filePath))) {
-                        success = downloadFile(url + ver + type.getDownloadURLPart() + ver + ".jar", filePath);
-                        if (!success) {
                         throw new FileNotFoundException("Jar file could not be downloaded.");
                     }
                 }
-                }
                 break;
             case "SpongeVanilla":
                 type = (AdvancedServerType) this.type;
@@ -411,12 +396,8 @@ public class Server {
                 }
                 newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
                 if (!file.isFile() || !newestVersion.equals(this.getVersion(name))) {
-                    success = downloadFile(
-                            url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar",
-                            filePath
-                    );
                     this.setVersion(name, newestVersion);
-                    if (!success) {
+                    if (!downloadFile(url + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar", filePath)) {
                         throw new FileNotFoundException("Jar file could not be downloaded.");
                     }
                 }
@@ -430,9 +411,8 @@ public class Server {
                 }
                 newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
                 if (!file.isFile() || !newestVersion.equals(this.getVersion(name))) {
-                    success = downloadFile(url, filePath);
                     this.setVersion(name, newestVersion);
-                    if (!success) {
+                    if (!downloadFile(url, filePath)) {
                         throw new FileNotFoundException("Jar file could not be downloaded.");
                     }
                 }

src/net/knarcraft/serverlauncher/userinterface/ServerTab.java

@@ -38,7 +38,7 @@ public class ServerTab implements ActionListener {
         this.chckbxEnabled.setSelected(enabled);
         this.serverTypes.setSelectedItem(typeName);
         this.serverTypes();
-        this.serverTypes.setSelectedItem(serverVersion);
+        this.serverVersions.setSelectedItem(serverVersion);
         this.maxRam.setSelectedItem(maxRam);
     }