Add error message for authlib-injector download failure

HMCL/src/main/java/org/jackhuang/hmcl/ui/account/AddAccountPane.java

@@ -31,6 +31,7 @@ import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.StackPane;
 import org.jackhuang.hmcl.auth.*;
+import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorDownloadException;
 import org.jackhuang.hmcl.auth.authlibinjector.AuthlibInjectorServer;
 import org.jackhuang.hmcl.auth.yggdrasil.GameProfile;
 import org.jackhuang.hmcl.auth.yggdrasil.RemoteAuthenticationException;
@@ -278,6 +279,8 @@ public class AddAccountPane extends StackPane {
                     return i18n("account.failed.invalid_password");
             }
             return exception.getMessage();
+        } else if (exception instanceof AuthlibInjectorDownloadException) {
+            return i18n("account.failed.injector_download_failure");
         } else {
             return exception.getClass().getName() + ": " + exception.getLocalizedMessage();
         }

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -36,6 +36,7 @@ account.create=Create a new account
 account.email=Email
 account.failed.connect_authentication_server=Cannot connect to the authentication server. Check your network.
 account.failed.connect_injector_server=Cannot connect to the authentication server. Check your network and ensure the URL is correct.
+account.failed.injector_download_failure=Failed to download authlib-injector. Check your network and try switching to another download source.
 account.failed.invalid_credentials=Incorrect password, or you are forbidden to login temporarily.
 account.failed.invalid_password=Invalid password
 account.failed.invalid_token=Please log out and re-input your password to login.

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -36,6 +36,7 @@ account.create=建立帳戶
 account.email=電子信箱
 account.failed.connect_authentication_server=無法連接認證伺服器，可能是網路問題
 account.failed.connect_injector_server=無法連接認證伺服器，可能是網路故障或 URL 輸入錯誤
+account.failed.injector_download_failure=無法下載 authlib-injector，請檢查網路或嘗試切換下載源
 account.failed.invalid_credentials=您的使用者名稱或密碼錯誤，或者登入次數過多被暫時禁止登入，請稍後再試
 account.failed.invalid_password=無效的密碼
 account.failed.invalid_token=請嘗試登出並重新輸入密碼登入

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -36,6 +36,7 @@ account.create=新建账户
 account.email=邮箱
 account.failed.connect_authentication_server=无法连接认证服务器，可能是网络问题
 account.failed.connect_injector_server=无法连接认证服务器，可能是网络故障或 URL 输入错误
+account.failed.injector_download_failure=无法下载 authlib-injector，请检查网络或尝试切换下载源
 account.failed.invalid_credentials=您的用户名或密码错误，或者登录次数过多被暂时禁止登录，请稍后再试
 account.failed.invalid_password=无效的密码
 account.failed.invalid_token=请尝试登出并重新输入密码登录

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorAccount.java

@@ -69,7 +69,7 @@ public class AuthlibInjectorAccount extends YggdrasilAccount {
             try {
                 return authlibInjectorDownloader.get();
             } catch (IOException e) {
-                throw new CompletionException(new AuthenticationException("Failed to download authlib-injector", e));
+                throw new CompletionException(new AuthlibInjectorDownloadException(e));
             }
         });
 

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorDownloadException.java

@@ -0,0 +1,41 @@
+/*
+ * Hello Minecraft! Launcher.
+ * Copyright (C) 2018  huangyuhui <huanghongxun2008@126.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see {http://www.gnu.org/licenses/}.
+ */
+package org.jackhuang.hmcl.auth.authlibinjector;
+
+import org.jackhuang.hmcl.auth.AuthenticationException;
+
+/**
+ * @author yushijinhun
+ */
+public class AuthlibInjectorDownloadException extends AuthenticationException {
+
+    public AuthlibInjectorDownloadException() {
+    }
+
+    public AuthlibInjectorDownloadException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public AuthlibInjectorDownloadException(String message) {
+        super(message);
+    }
+
+    public AuthlibInjectorDownloadException(Throwable cause) {
+        super(cause);
+    }
+}