Add update number example.

Author: Steve Crow

src/main/java/com/nexmo/quickstart/numbers/UpdateNumber.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2011-2017 Nexmo Inc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.nexmo.quickstart.numbers;
+
+import com.nexmo.client.NexmoClient;
+import com.nexmo.client.NexmoClientException;
+import com.nexmo.client.NexmoResponseParseException;
+import com.nexmo.client.numbers.NumbersClient;
+import com.nexmo.client.numbers.UpdateNumberRequest;
+
+import static com.nexmo.quickstart.Util.configureLogging;
+import static com.nexmo.quickstart.Util.envVar;
+
+public class UpdateNumber {
+    private static final String NEXMO_API_KEY = envVar("NEXMO_API_KEY");
+    private static final String NEXMO_API_SECRET = envVar("NEXMO_API_SECRET");
+    private static final String COUNTRY_CODE = envVar("COUNTRY_CODE");
+    private static final String NEXMO_NUMBER = envVar("NEXMO_NUMBER");
+    private static final String SMS_CALLBACK_URL = envVar("SMS_CALLBACK_URL");
+    private static final UpdateNumberRequest.CallbackType VOICE_CALLBACK_TYPE = UpdateNumberRequest.CallbackType.valueOf(envVar("VOICE_CALLBACK_TYPE"));
+    private static final String VOICE_CALLBACK_VALUE = envVar("VOICE_CALLBACK_VALUE");
+    private static final String VOICE_STATUS_URL = envVar("VOICE_STATUS_URL");
+
+    public static void main(String[] args) {
+        configureLogging();
+
+        NexmoClient client = NexmoClient.builder()
+                .apiKey(NEXMO_API_KEY)
+                .apiSecret(NEXMO_API_SECRET)
+                .build();
+
+        NumbersClient numbersClient = client.getNumbersClient();
+
+        UpdateNumberRequest request = new UpdateNumberRequest(NEXMO_NUMBER, COUNTRY_CODE);
+        request.setVoiceCallbackType(VOICE_CALLBACK_TYPE);
+        request.setVoiceCallbackValue(VOICE_CALLBACK_VALUE);
+        request.setVoiceStatusCallback(VOICE_STATUS_URL);
+        request.setMoHttpUrl(SMS_CALLBACK_URL);
+
+        try {
+            numbersClient.updateNumber(request);
+        } catch (NexmoClientException | NexmoResponseParseException e) {
+            System.out.println("Error updating number.");
+        }
+
+        System.out.println("Number updated.");
+    }
+}