Enable Auto Reply gmail snippet (googleworkspace#162)

sanjuktaghosh7 · RajeshGovo · Manvendra-P-Singh · web-flow · commit 6691736cea13 · 2022-01-25T10:03:50.000-07:00
* Enable Auto Reply gmail snippet.

Co-authored-by: Rajesh Mudaliyar &lt;mudaliyar@google.com&gt;
Co-authored-by: Manvendra-P-Singh &lt;singhmanvendra@google.com&gt;
diff --git a/gmail/snippets/src/main/java/EnableAutoReply.java b/gmail/snippets/src/main/java/EnableAutoReply.java
@@ -0,0 +1,73 @@
+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+
+// [START gmail_enable_auto_reply]
+import com.google.api.client.googleapis.json.GoogleJsonResponseException;
+import com.google.api.client.http.HttpRequestInitializer;
+import com.google.api.client.http.javanet.NetHttpTransport;
+import com.google.api.client.json.gson.GsonFactory;
+import com.google.api.services.gmail.Gmail;
+import com.google.api.services.gmail.GmailScopes;
+import com.google.api.services.gmail.model.VacationSettings;
+import com.google.auth.http.HttpCredentialsAdapter;
+import com.google.auth.oauth2.GoogleCredentials;
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.util.Collections;
+
+/* Class to demonstrate the use of Gmail Enable Auto Reply API*/
+public class EnableAutoReply {
+    /**
+     * Enables the auto reply
+     *
+     * @throws IOException
+     */
+    public static void autoReply() throws IOException{
+        // Load pre-authorized user credentials from the environment.
+        // TODO(developer) - See https://developers.google.com/identity for
+        // guides on implementing OAuth2 for your application.
+        GoogleCredentials credentials = GoogleCredentials.getApplicationDefault().createScoped(Collections.singleton(GmailScopes.GMAIL_SETTINGS_BASIC));
+        HttpRequestInitializer requestInitializer = new HttpCredentialsAdapter(
+                credentials);
+
+        // Create the gmail API client
+        Gmail service = new Gmail.Builder(new NetHttpTransport(),
+                GsonFactory.getDefaultInstance(),
+                requestInitializer)
+                .setApplicationName("Gmail samples")
+                .build();
+
+        try {
+            // Enable auto reply by restricting domain with start time and end time
+            VacationSettings vacationSettings = new VacationSettings()
+                    .setEnableAutoReply(true)
+                    .setResponseBodyHtml("I am on vacation and will reply when I am back in the office. Thanks!")
+                    .setRestrictToDomain(true)
+                    .setStartTime(LocalDateTime.now().toEpochSecond(ZoneOffset.from(ZonedDateTime.now())) * 1000)
+                    .setEndTime(LocalDateTime.now().plusDays(7).toEpochSecond(ZoneOffset.from(ZonedDateTime.now())) * 1000);
+
+            VacationSettings response = service.users().settings().updateVacation("me", vacationSettings).execute();
+            // Prints the auto-reply response body
+            System.out.println("Enabled auto reply with message : "+response.getResponseBodyHtml());
+        } catch (GoogleJsonResponseException e) {
+            // TODO(developer) - handle error appropriately
+            System.err.println("Unable to enable auto reply: " + e.getDetails());
+            throw e;
+        }
+    }
+}
+// [END gmail_enable_auto_reply]
