Add Platform class to detect OSes

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

src/main/java/io/github/eb4j/ebview/utils/Platform.java

@@ -0,0 +1,88 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+package io.github.eb4j.ebview.utils;
+
+public final class Platform {
+    public enum OsType {
+        // os.arch=amd64, os.name=Linux, os.version=3.0.0-12-generic
+        LINUX64,
+        // os.arch=i386, os.name=Linux, os.version=3.0.0-12-generic
+        LINUX32,
+        // os.arch=x86_64, os.name=Mac OS X, os.version=10.6.8
+        MAC64,
+        // os.arch=i386, os.name=Mac OS X, os.version=10.6.8
+        MAC32,
+        // os.arch=amd64, os.name=Windows 7, os.version=6.1
+        WIN64,
+        // os.arch=x86, os.name=Windows 7, os.version=6.1
+        WIN32,
+        // unknown system
+        OTHER
+    }
+
+    private static OsType osType = OsType.OTHER;
+
+    static {
+        String osName = System.getProperty("os.name");
+        if (osName != null && System.getProperty("os.arch") != null) {
+            boolean is64 = is64Bit();
+            if (osName.startsWith("Linux")) {
+                osType = is64 ? OsType.LINUX64 : OsType.LINUX32;
+            } else if (osName.contains("OS X")) {
+                osType = is64 ? OsType.MAC64 : OsType.MAC32;
+            } else if (osName.startsWith("Windows")) {
+                osType = is64 ? OsType.WIN64 : OsType.WIN32;
+            }
+        }
+    }
+
+    private Platform() {
+    }
+
+    public static OsType getOsType() {
+        return osType;
+    }
+
+    /**
+     * Returns true if running on Mac OS X
+     */
+    public static boolean isMacOSX() {
+        OsType os = getOsType();
+        return os == OsType.MAC32 || os == OsType.MAC64;
+    }
+
+    /**
+     * Returns true if running on Linux
+     */
+    public static boolean isLinux() {
+        OsType os = getOsType();
+        return os == OsType.LINUX32 || os == OsType.LINUX64;
+    }
+
+    /**
+     * Returns true if the JVM (NOT the OS) is 64-bit
+     */
+    public static boolean is64Bit() {
+        String osArch = System.getProperty("os.arch");
+        if (osArch != null) {
+            return osArch.contains("64");
+        }
+        return false;
+    }
+}

src/main/resources/Bundle.properties

@@ -16,3 +16,29 @@ ABOUT_COPYRIGHT=Copyright (C) 2016-2021 Hiroshi Miura\n\
   GNU General Public License for more details. \n\n\
   You should have received a copy of the GNU General Public License \n\
   along with this program.  If not, see <http://www.gnu.org/licenses/>. 
+PASSWORD_DIALOG_TITLE=Enter password
+PASSWORD_ERROR_EMPTY=Empty password not allowed
+PASSWORD_SET_MESSAGE=Please set password
+PASSWORD_INPUT_LABEL=Password
+PASSWORD_CONFIRM_LABEL=Password(Confirm)
+PASSWORD_DO_NOT_SET_BUTTON=Do not set
+BUTTON_OK=Ok
+BUTTON_CANCEL=Cancel
+PASSWORD_ENTER_MESSAGE=Enter password
+PASSWORD_TRY_AGAIN_MESSAGE=Try password again
+PREFS_OXFORD_DESC=Please set appId and appKey of Oxford dictionaries API.
+PREFS_OXFORD_APPID_LABEL=AppID
+PREFS_OXFORD_APPKEY_LABEL=AppKey
+PREFS_TITLE_SECURE_STORE=Secure Store
+PREFS_SECURE_STORE_DESCRIPTION=OmegaT encrypts sensitive passwords and API keys with a master password.
+PREFS_SECURE_STORE_MASTER_PASSWORD_LABEL=Master Password:
+PREFS_SECURE_STORAGE_RESET_BUTTON=&Reset Master Password
+PREFS_SECURE_STORAGE_MASTER_PASSWORD_SET_STORED=Set & Stored
+PREFS_SECURE_STORAGE_MASTER_PASSWORD_SET=Set
+PREFS_SECURE_STORAGE_MASTER_PASSWORD_NOT_SET=Not Set
+PREFS_SECURE_STORAGE_RESET_MASTER_PASSWORD_TITLE=Reset Master Password
+PREFS_SECURE_STORAGE_RESET_MASTER_PASSWORD_MESSAGE=Are you sure you want to reset the master password? All preferences protected by the master password will be reset.
+MENU_APP=Application
+MENU_APP_PREFERENCE=Preference
+MENU_APP_QUIT_TRAY=Quit to tray
+MENU_APP_EXIT=Exit application