Fix checkstyle in twilio and sendgrid samples.

managed_vms/sendgrid/pom.xml

@@ -48,9 +48,6 @@
           <target>1.8</target>
         </configuration>
       </plugin>
-      <!--
-           The sendgrid sample currently (2016-01-22) fails the Google Style
-           checks. We can uncomment this block when it is fixed.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
@@ -65,7 +62,6 @@
           <execution><goals><goal>check</goal></goals></execution>
         </executions>
       </plugin>
-      -->
       <plugin>
         <groupId>org.eclipse.jetty</groupId>
         <artifactId>jetty-maven-plugin</artifactId>

managed_vms/sendgrid/src/main/java/com/example/managedvms/sendgrid/SendEmailServlet.java

@@ -35,19 +35,19 @@ public class SendEmailServlet extends HttpServlet {
   @Override
   public void service(HttpServletRequest req, HttpServletResponse resp) throws IOException,
       ServletException {
-    final String SENDGRID_API_KEY = System.getenv("SENDGRID_API_KEY");
-    final String SENDGRID_SENDER = System.getenv("SENDGRID_SENDER");
-    final String TO_EMAIL = req.getParameter("to");
-    if (TO_EMAIL == null) {
-      resp.getWriter().print("Please provide an email address in the \"to\" query string"
-          + " parameter.");
+    final String sendgridApiKey = System.getenv("SENDGRID_API_KEY");
+    final String sendgridSender = System.getenv("SENDGRID_SENDER");
+    final String toEmail = req.getParameter("to");
+    if (toEmail == null) {
+      resp.getWriter()
+          .print("Please provide an email address in the \"to\" query string parameter.");
       return;
     }
 
-    SendGrid sendgrid = new SendGrid(SENDGRID_API_KEY);
+    SendGrid sendgrid = new SendGrid(sendgridApiKey);
     SendGrid.Email email = new SendGrid.Email();
-    email.addTo(TO_EMAIL);
-    email.setFrom(SENDGRID_SENDER);
+    email.addTo(toEmail);
+    email.setFrom(sendgridSender);
     email.setSubject("This is a test email");
     email.setText("Example text body.");
 
@@ -58,8 +58,7 @@ public void service(HttpServletRequest req, HttpServletResponse resp) throws IOE
         return;
       }
       resp.getWriter().print("Email sent.");
-    }
-    catch (SendGridException e) {
+    } catch (SendGridException e) {
       throw new ServletException("SendGrid error", e);
     }
   }

managed_vms/twilio/pom.xml

@@ -48,9 +48,6 @@
           <target>1.8</target>
         </configuration>
       </plugin>
-      <!--
-           The twilio sample currently (2016-01-22) fails the Google Style
-           checks. We can uncomment this block when it is fixed.
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
@@ -65,7 +62,6 @@
           <execution><goals><goal>check</goal></goals></execution>
         </executions>
       </plugin>
-      -->
       <plugin>
         <groupId>org.eclipse.jetty</groupId>
         <artifactId>jetty-maven-plugin</artifactId>

managed_vms/twilio/src/main/java/com/example/managedvms/twilio/SendSmsServlet.java

@@ -42,22 +42,21 @@ public class SendSmsServlet extends HttpServlet {
   @Override
   public void service(HttpServletRequest req, HttpServletResponse resp) throws IOException,
       ServletException {
-    final String TWILIO_ACCOUNT_SID = System.getenv("TWILIO_ACCOUNT_SID");
-    final String TWILIO_AUTH_TOKEN = System.getenv("TWILIO_AUTH_TOKEN");
-    final String TWILIO_NUMBER = System.getenv("TWILIO_NUMBER");
-    final String TO_NUMBER = (String) req.getParameter("to");
-    if (TO_NUMBER == null) {
-      resp.getWriter().print("Please provide the number to message in the \"to\" query string"
-          + " parameter.");
+    final String twilioAccountSid = System.getenv("TWILIO_ACCOUNT_SID");
+    final String twilioAuthToken = System.getenv("TWILIO_AUTH_TOKEN");
+    final String twilioNumber = System.getenv("TWILIO_NUMBER");
+    final String toNumber = (String) req.getParameter("to");
+    if (toNumber == null) {
+      resp.getWriter()
+          .print("Please provide the number to message in the \"to\" query string parameter.");
       return;
     }
-    TwilioRestClient client = new TwilioRestClient(TWILIO_ACCOUNT_SID,
-        TWILIO_AUTH_TOKEN);
+    TwilioRestClient client = new TwilioRestClient(twilioAccountSid, twilioAuthToken);
     Account account = client.getAccount();
     MessageFactory messageFactory = account.getMessageFactory();
     List<NameValuePair> params = new ArrayList<NameValuePair>();
-    params.add(new BasicNameValuePair("To", TO_NUMBER));
-    params.add(new BasicNameValuePair("From", TWILIO_NUMBER));
+    params.add(new BasicNameValuePair("To", toNumber));
+    params.add(new BasicNameValuePair("From", twilioNumber));
     params.add(new BasicNameValuePair("Body", "Hello from Twilio!"));
     try {
       Message sms = messageFactory.create(params);