Add support for i18n using resource bundles

vks-java-cli/src/main/java/pgp/vks/client/cli/GetCmd.java

@@ -11,8 +11,12 @@ import picocli.CommandLine;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.MalformedURLException;
+import java.util.Locale;
+import java.util.ResourceBundle;
 
-@CommandLine.Command(name = "get", description = "Retrieve an OpenPGP certificate from the key server")
+@CommandLine.Command(
+        name = "get",
+        resourceBundle = "msg_get")
 public class GetCmd implements Runnable {
 
     @CommandLine.Mixin
@@ -22,16 +26,22 @@ public class GetCmd implements Runnable {
     Exclusive by;
 
     static class Exclusive {
-        @CommandLine.Option(names = {"-f", "--by-fingerprint"}, description = "Retrieve a key by its fingerprint (NOT prefixed with '0x')")
+        @CommandLine.Option(names = {"-f", "--by-fingerprint"})
         String fingerprint;
 
-        @CommandLine.Option(names = {"-i", "--by-keyid"}, description = "Retrieve a key by its decimal key ID or that of one of its subkeys.")
+        @CommandLine.Option(names = {"-i", "--by-keyid"})
         Long keyId;
 
-        @CommandLine.Option(names = {"-e", "--by-email"}, description = "Retrieve a key by email address.")
+        @CommandLine.Option(names = {"-e", "--by-email"})
         String email;
     }
 
+    private final ResourceBundle msg;
+
+    public GetCmd() {
+        msg = ResourceBundle.getBundle("msg_get", Locale.getDefault());
+    }
+
     public void run() {
         VKS vks;
         try {
@@ -50,7 +60,7 @@ public class GetCmd implements Runnable {
             } else if (by.email != null) {
                 inputStream = get.byEmail(by.email);
             } else {
-                throw new IllegalArgumentException("Missing --by-* option.");
+                throw new IllegalArgumentException(msg.getString("error.missing_by_option"));
             }
 
             int read;

vks-java-cli/src/main/java/pgp/vks/client/cli/RequestVerificationCmd.java

@@ -12,23 +12,32 @@ import java.io.IOException;
 import java.net.MalformedURLException;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
+import java.util.ResourceBundle;
 
-@CommandLine.Command(name = "request-verification", description = "Request verification for unverified user-ids")
+@CommandLine.Command(
+        name = "request-verification",
+        resourceBundle = "msg_request_verification")
 public class RequestVerificationCmd implements Runnable {
 
     @CommandLine.Mixin
     VKSCLI.KeyServerMixin keyServerMixin;
 
-    @CommandLine.Option(names = {"-t", "--token"}, description = "Access token. Can be retrieved by uploading the certificate.",
+    @CommandLine.Option(names = {"-t", "--token"},
             required = true, arity = "1", paramLabel = "TOKEN")
     String token;
 
-    @CommandLine.Option(names = {"-l", "--locale"}, description = "Locale for the verification mail")
+    @CommandLine.Option(names = {"-l", "--locale"})
     List<String> locale = Arrays.asList("en_US", "en_GB");
 
-    @CommandLine.Option(names = {"-e", "--email"}, description = "Email addresses to request a verification mail for", required = true, arity = "1..*")
+    @CommandLine.Option(names = {"-e", "--email"}, required = true, arity = "1..*")
     String[] addresses = new String[0];
 
+    private final ResourceBundle msg;
+
+    public RequestVerificationCmd() {
+        msg = ResourceBundle.getBundle("msg_request_verification", Locale.getDefault());
+    }
 
     @Override
     public void run() {
@@ -44,10 +53,9 @@ public class RequestVerificationCmd implements Runnable {
             RequestVerify.Response response = requestVerify
                     .forEmailAddresses(addresses)
                     .execute(token, locale);
-
+            System.out.printf(msg.getString("output.mails_sent"), response.getKeyFingerprint());
-            System.out.println("Verification E-Mails for key " + response.getKeyFingerprint() + " have been sent.");
+            System.out.printf(msg.getString("output.token"), response.getToken());
-            System.out.println("Token: " + response.getToken());
+            System.out.println(msg.getString("output.status"));
-            System.out.println("Status:");
             for (String address : response.getStatus().keySet()) {
                 System.out.println("\t" + address + "\t" + response.getStatus().get(address));
             }

vks-java-cli/src/main/java/pgp/vks/client/cli/UploadCmd.java

@@ -15,17 +15,26 @@ import java.io.IOException;
 import java.net.MalformedURLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
+import java.util.ResourceBundle;
 
-@CommandLine.Command(name = "upload", description = "Upload an OpenPGP certificate to the key server")
+@CommandLine.Command(
+        name = "upload",
+        resourceBundle = "msg_upload")
 public class UploadCmd implements Runnable {
 
     @CommandLine.Mixin
     VKSCLI.KeyServerMixin keyServerMixin;
 
-    @CommandLine.Option(names = {"-r", "--request-verification"},
+    @CommandLine.Option(names = {"-r", "--request-verification"})
-            description = "Request verification mails for unpublished email addresses")
     boolean requestVerification;
 
+    private final ResourceBundle msg;
+
+    public UploadCmd() {
+        msg = ResourceBundle.getBundle("msg_upload", Locale.getDefault());
+    }
+
     public void run() {
         VKS vks;
         try {
@@ -51,11 +60,13 @@ public class UploadCmd implements Runnable {
                 }
             }
 
-            System.out.println("Uploaded key " + response.getKeyFingerprint());
+            String msgUpload = String.format(msg.getString("output.uploaded_key"),
-            System.out.println("Token: " + response.getToken());
+                    response.getKeyFingerprint(), response.getToken());
+            System.out.println(msgUpload);
 
+            String msgStatus = msg.getString("output.status");
             if (!requestVerification || unpublished.isEmpty()) {
-                System.out.println("Status:");
+                System.out.println(msgStatus);
                 for (String address : response.getStatus().keySet()) {
                     Status status = response.getStatus().get(address);
                     System.out.format("%-" + maxMailLen + "s %s\n", address, status);
@@ -65,7 +76,7 @@ public class UploadCmd implements Runnable {
 
             RequestVerify.Response verifyResponse = vks.requestVerification().forEmailAddresses(unpublished.toArray(new String[0]))
                     .execute(response.getToken());
-            System.out.println("Status:");
+            System.out.println(msgStatus);
             for (String address : verifyResponse.getStatus().keySet()) {
                 Status status = response.getStatus().get(address);
                 System.out.format("%-" + maxMailLen + "s %s\n", address, status);

vks-java-cli/src/main/java/pgp/vks/client/cli/VKSCLI.java

@@ -9,10 +9,12 @@ import pgp.vks.client.VKSImpl;
 import picocli.CommandLine;
 
 import java.net.MalformedURLException;
+import java.util.Locale;
+import java.util.ResourceBundle;
 
 @CommandLine.Command(
         name = "vks",
-        description = "Interact with Verifying Key Servers",
+        resourceBundle = "msg_vks",
         subcommands = {
                 CommandLine.HelpCommand.class,
                 GetCmd.class,
@@ -32,14 +34,15 @@ public class VKSCLI {
     }
 
     public static int execute(String[] args) {
-        return new CommandLine(VKSCLI.class)
+        CommandLine cmd = new CommandLine(VKSCLI.class);
-                .setExitCodeExceptionMapper(new CommandLine.IExitCodeExceptionMapper() {
+        cmd.setExitCodeExceptionMapper(new CommandLine.IExitCodeExceptionMapper() {
                     @Override
                     public int getExitCode(Throwable exception) {
                         return 1;
                     }
-                })
+                });
-                .setCommandName("vkscli")
+        cmd.getSubcommands().get("help").setResourceBundle(ResourceBundle.getBundle("msg_help", Locale.getDefault()));
+        return cmd.setCommandName("vkscli")
                 .execute(args);
     }
 
@@ -53,7 +56,6 @@ public class VKSCLI {
         VKSCLI parent;
 
         @CommandLine.Option(names = "--key-server",
-                description = "Address of the Verifying Key Server.\nDefaults to 'https://keys.openpgp.org'",
                 paramLabel = "KEYSERVER")
         public void setKeyServer(String keyServer) {
             parent.keyServer = keyServer;

vks-java-cli/src/main/resources/msg_get.properties

@@ -0,0 +1,9 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Retrieve an OpenPGP certificate from the key server
+by-fingerprint=Retrieve a key by its fingerprint (NOT prefixed with '0x')
+by-keyid=Retrieve a key by its decimal key ID or that of one of its subkeys
+by-email=Retrieve a key by email address
+error.missing_by_option=Missing --by-* option.
+key-server=Address of the Verifying Key Server.%nDefaults to 'https://keys.openpgp.org'

vks-java-cli/src/main/resources/msg_get_de.properties

@@ -0,0 +1,12 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Empfange ein OpenPGP Zertifikat vom Schlüsselserver
+by-fingerprint=Finde das Zertifikat anhand seines Fingerabdrucks (OHNE Präfix '0x')
+by-keyid=Finde das Zertifikat anhand seiner Schlüssel-ID oder der eines seiner Unterschlüssel
+by-email=Finde das Zertifikat anhand einer E-Mail-Adresse
+error.missing_by_option=Fehlende --by-* Option.
+usage.synopsisHeading=Nutzung:\u0020
+usage.optionListHeading=Optionen:%n
+
+key-server=Adresse des verifizierenden Schlüsselservers.%nStandardmäßig: 'https://keys.openpgp.org'

vks-java-cli/src/main/resources/msg_help.properties

@@ -0,0 +1,5 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Displays help information about the specified command
+usage.synopsisHeading=Usage:\u0020

vks-java-cli/src/main/resources/msg_help_de.properties

@@ -0,0 +1,6 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Zeige Hilfetext für den angegebenen Befehl
+usage.synopsisHeading=Nutzung:\u0020
+usage.optionListHeading=Optionen:%n

vks-java-cli/src/main/resources/msg_request_verification.properties

@@ -0,0 +1,11 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Request verification for unverified user-ids
+token=Access token. Can be retrieved by uploading the certificate.
+locale=Locale (language) for the verification mail
+email=Email addresses to request a verification mail for
+output.mails_sent=Verification E-Mails for certificate %s have been sent.%n
+output.token=Token: %s%n
+output.status=Status:
+key-server=Address of the Verifying Key Server.%nDefaults to 'https://keys.openpgp.org'

vks-java-cli/src/main/resources/msg_request_verification_de.properties

@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Fordere Verifikation von unveröffentlichten Nutzeridentitäten an
+token=Zugangstoken. Kann durch das Hochladen des Zertifikates erhalten werden.
+locale=Gebietsschema (Sprache) für die E-Mail-Verifikation
+email=E-Mail-Adresse für die eine Verifikation angefragt werden soll
+output.mails_sent=E-Mail-Verifikationen für Zertifikat %s wurden versendet.%n%n
+output.token=Zugangstoken: %s%n
+output.status=Status:
+usage.synopsisHeading=Nutzung:\u0020
+usage.optionListHeading=Optionen:%n
+
+key-server=Adresse des verifizierenden Schlüsselservers.%nStandardmäßig: 'https://keys.openpgp.org'

vks-java-cli/src/main/resources/msg_upload.properties

@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Upload an OpenPGP certificate to the key server
+request-verification=Request verification mails for unpublished email addresses
+output.uploaded_key=Uploaded key: %s%nToken: %s
+output.status=Status:
+key-server=Address of the Verifying Key Server.%nDefaults to 'https://keys.openpgp.org'

vks-java-cli/src/main/resources/msg_upload_de.properties

@@ -0,0 +1,11 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Lade ein OpenPGP Zertifikat auf den Schlüsselserver hoch
+request-verification=Fordere E-Mailverifikation für unveröffentlichte E-Mail-Adressen an
+output.uploaded_key=Hochgeladenes Zertifikat: %s%nToken: %s
+output.status=Status:
+usage.synopsisHeading=Nutzung:\u0020
+usage.optionListHeading=Optionen:%n
+
+key-server=Adresse des verifizierenden Schlüsselservers.%nStandardmäßig: 'https://keys.openpgp.org'

vks-java-cli/src/main/resources/msg_vks.properties

@@ -0,0 +1,6 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Interact with Verifying Key Servers
+usage.synopsisHeading=Usage:\u0020
+usage.commandListHeading=Commands:%n

vks-java-cli/src/main/resources/msg_vks_de.properties

@@ -0,0 +1,6 @@
+# SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+usage.header=Interagiere mit verifizierenden Schlüsselservern
+usage.synopsisHeading=Nutzung:\u0020
+usage.commandListHeading=Befehle:%n